Mercurial > octave-nkf
changeset 20435:755ba248fb4a
build: Rename __go_draw_XXX to __gnuplot_draw_XXX for clarity.
* scripts/plot/util/private/__gnuplot_draw_axes__.m: Renamed from
__go_draw_axes__.m
* scripts/plot/util/private/__gnuplot_draw_figure__.m: Renamed from
__go_draw_figure__.m
* __scatter__.m, __gnuplot_drawnow__.m: Update scripts to use new names.
* scripts/plot/util/module.mk: Use new file names in build system.
| author | Rik <rik@octave.org> |
|---|---|
| date | Sun, 26 Jul 2015 18:33:57 -0700 |
| parents | 26bd6008fc9c |
| children | 905fc6b85b4c |
| files | scripts/plot/draw/private/__scatter__.m scripts/plot/util/__gnuplot_drawnow__.m scripts/plot/util/module.mk scripts/plot/util/private/__gnuplot_draw_axes__.m scripts/plot/util/private/__gnuplot_draw_figure__.m scripts/plot/util/private/__go_draw_axes__.m scripts/plot/util/private/__go_draw_figure__.m |
| diffstat | 7 files changed, 2859 insertions(+), 2859 deletions(-) [+] |
line wrap: on
line diff
--- a/scripts/plot/draw/private/__scatter__.m Sun Jul 26 08:50:04 2015 -0700 +++ b/scripts/plot/draw/private/__scatter__.m Sun Jul 26 18:33:57 2015 -0700 @@ -291,7 +291,7 @@ toolkit = get (ancestor (hg, "figure"), "__graphics_toolkit__"); ## Does gnuplot only support triangles with different vertex colors ? ## TODO: Verify gnuplot can only support one color. If RGB triplets - ## can be assigned to each vertex, then fix __go_draw_axes__.m + ## can be assigned to each vertex, then fix __gnuplot_draw_axes__.m gnuplot_hack = (numel (x) > 1 && columns (c) == 3 && strcmp (toolkit, "gnuplot")); if (ischar (c) || ! isflat || gnuplot_hack)
--- a/scripts/plot/util/__gnuplot_drawnow__.m Sun Jul 26 08:50:04 2015 -0700 +++ b/scripts/plot/util/__gnuplot_drawnow__.m Sun Jul 26 18:33:57 2015 -0700 @@ -40,11 +40,11 @@ gnuplot_supports_term = __gnuplot_has_terminal__ (term, plot_stream); if (gnuplot_supports_term) enhanced = gnuplot_set_term (plot_stream(1), true, h, term, file); - __go_draw_figure__ (h, plot_stream(1), enhanced, mono); + __gnuplot_draw_figure__ (h, plot_stream(1), enhanced, mono); if (nargin == 5) fid = fopen (debug_file, "wb"); enhanced = gnuplot_set_term (fid, true, h, term, file); - __go_draw_figure__ (h, fid, enhanced, mono); + __gnuplot_draw_figure__ (h, fid, enhanced, mono); endif else error ('__gnuplot_drawnow__: the gnuplot terminal, "%s", is not available', @@ -83,7 +83,7 @@ else enhanced = gnuplot_set_term (plot_stream(1), new_stream, h, term); endif - __go_draw_figure__ (h, plot_stream(1), enhanced, mono); + __gnuplot_draw_figure__ (h, plot_stream(1), enhanced, mono); fflush (plot_stream(1)); if (strcmp (term, "dumb")) fid = -1;
--- a/scripts/plot/util/module.mk Sun Jul 26 08:50:04 2015 -0700 +++ b/scripts/plot/util/module.mk Sun Jul 26 18:33:57 2015 -0700 @@ -17,8 +17,8 @@ scripts/plot/util/private/__gnuplot_open_stream__.m \ scripts/plot/util/private/__gnuplot_print__.m \ scripts/plot/util/private/__gnuplot_version__.m \ - scripts/plot/util/private/__go_draw_axes__.m \ - scripts/plot/util/private/__go_draw_figure__.m \ + scripts/plot/util/private/__gnuplot_draw_axes__.m \ + scripts/plot/util/private/__gnuplot_draw_figure__.m \ scripts/plot/util/private/__opengl_print__.m \ scripts/plot/util/private/__print_parse_opts__.m \ scripts/plot/util/private/__tight_eps_bbox__.m
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/scripts/plot/util/private/__gnuplot_draw_axes__.m Sun Jul 26 18:33:57 2015 -0700 @@ -0,0 +1,2647 @@ +## Copyright (C) 2005-2015 John W. Eaton +## +## This file is part of Octave. +## +## Octave is free software; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or (at +## your option) any later version. +## +## Octave is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Octave; see the file COPYING. If not, see +## <http://www.gnu.org/licenses/>. + +## -*- texinfo -*- +## @deftypefn {Function File} {} __gnuplot_draw_axes__ (@var{h}, @var{plot_stream}, @var{enhanced}, @var{mono}) +## Undocumented internal function. +## @end deftypefn + +## Author: jwe + +function __gnuplot_draw_axes__ (h, plot_stream, enhanced, mono, + bg_is_set, fg_is_set, hlgnd) + + showhiddenhandles = get (0, "showhiddenhandles"); + unwind_protect + set (0, "showhiddenhandles", "on"); + axis_obj = __get__ (h); + unwind_protect_cleanup + set (0, "showhiddenhandles", showhiddenhandles); + end_unwind_protect + + parent_figure_obj = get (axis_obj.parent); + gnuplot_term = __gnuplot_get_var__ (axis_obj.parent, "GPVAL_TERM"); + + ## Set to false for plotyy axes. + ymirror = true; + if (isfield (axis_obj, "__plotyy_axes__")) + if (all (ishandle (axis_obj.__plotyy_axes__))) + ymirror = false; + else + h = axis_obj.__plotyy_axes__; + h = h(ishandle (h)); + h = h(isprop (h, "__plotyy_axes__")); + rmappdata (h, "__plotyy_axes__"); + endif + endif + + nd = __calc_dimensions__ (h); + + if (strcmp (axis_obj.dataaspectratiomode, "manual") + && strcmp (axis_obj.xlimmode, "manual") + && strcmp (axis_obj.ylimmode, "manual")) + ## All can't be "manual" + axis_obj.plotboxaspectratiomode = "auto"; + endif + + if (strcmp (axis_obj.dataaspectratiomode, "manual") + && strcmp (axis_obj.xlimmode, "manual") + && strcmp (axis_obj.ylimmode, "manual") + && (nd == 2 || all (mod (axis_obj.view, 90) == 0))) + ## FIXME: adjust plotboxaspectratio to respect other + fpos = get (axis_obj.parent, "position"); + apos = axis_obj.position; + endif + + pos = __actual_axis_position__ (h); + + if (strcmpi (axis_obj.dataaspectratiomode, "manual")) + dr = axis_obj.dataaspectratio; + if (nd == 2 || all (mod (axis_obj.view, 90) == 0)) + dr = dr(1) / dr(2); + else + ## FIXME: need to properly implement 3D + dr = mean (dr(1:2)) / dr(3); + endif + else + dr = 1; + endif + + if (strcmp (axis_obj.activepositionproperty, "position")) + if (__gnuplot_has_feature__ ("screen_coordinates_for_{lrtb}margin")) + if (nd == 2 || all (mod (axis_obj.view, 90) == 0)) + x = [1, 1]; + else + ## 3D plots need to be sized down to fit in the window. + x = 1.0 ./ sqrt ([2, 2.5]); + endif + fprintf (plot_stream, "set tmargin screen %.15g;\n", + pos(2)+pos(4)/2+x(2)*pos(4)/2); + fprintf (plot_stream, "set bmargin screen %.15g;\n", + pos(2)+pos(4)/2-x(2)*pos(4)/2); + fprintf (plot_stream, "set lmargin screen %.15g;\n", + pos(1)+pos(3)/2-x(1)*pos(3)/2); + fprintf (plot_stream, "set rmargin screen %.15g;\n", + pos(1)+pos(3)/2+x(1)*pos(3)/2); + sz_str = ""; + else + fprintf (plot_stream, "set tmargin 0;\n"); + fprintf (plot_stream, "set bmargin 0;\n"); + fprintf (plot_stream, "set lmargin 0;\n"); + fprintf (plot_stream, "set rmargin 0;\n"); + + if (nd == 3 && all (axis_obj.view == [0, 90])) + ## FIXME: Kludge to allow colorbar to be added to a pcolor() plot + pos(3:4) = pos(3:4) * 1.4; + pos(1:2) = pos(1:2) - pos(3:4) * 0.125; + endif + + fprintf (plot_stream, "set origin %.15g, %.15g;\n", pos(1), pos(2)); + + if (strcmpi (axis_obj.dataaspectratiomode, "manual")) + sz_str = sprintf ("set size ratio %.15g", -dr); + else + sz_str = "set size noratio"; + endif + sz_str = sprintf ("%s %.15g, %.15g;\n", sz_str, pos(3), pos(4)); + endif + else ## activepositionproperty == outerposition + fprintf (plot_stream, "unset tmargin;\n"); + fprintf (plot_stream, "unset bmargin;\n"); + fprintf (plot_stream, "unset lmargin;\n"); + fprintf (plot_stream, "unset rmargin;\n"); + fprintf (plot_stream, "set origin %g, %g;\n", pos(1:2)); + sz_str = ""; + if (strcmpi (axis_obj.dataaspectratiomode, "manual")) + sz_str = sprintf ("ratio %g", -dr); + else + sz_str = "noratio"; + endif + sz_str = sprintf ("set size %s %g, %g;\n", sz_str, pos(3:4)); + endif + if (! isempty (sz_str)) + fputs (plot_stream, sz_str); + endif + + ## Reset all labels, axis-labels, tick-labels, and title + ## FIXME: We should have an function to initialize the axis. + ## Presently, this is dispersed in this function. + fputs (plot_stream, "unset label;\n"); + fputs (plot_stream, "unset xtics;\n"); + fputs (plot_stream, "unset ytics;\n"); + fputs (plot_stream, "unset ztics;\n"); + fputs (plot_stream, "unset x2tics;\n"); + fputs (plot_stream, "unset x2tics;\n"); + + if (! isempty (axis_obj.title)) + t = get (axis_obj.title); + if (isempty (t.string)) + fputs (plot_stream, "unset title;\n"); + else + colorspec = get_text_colorspec (t.color, mono); + [tt, f, s] = __maybe_munge_text__ (enhanced, t, "string"); + fontspec = create_fontspec (f, s, gnuplot_term); + fprintf (plot_stream, "set title \"%s\" %s %s %s;\n", + undo_string_escapes (tt), fontspec, colorspec, + __do_enhanced_option__ (enhanced, t)); + endif + endif + + if (! isempty (axis_obj.xlabel)) + t = get (axis_obj.xlabel); + angle = t.rotation; + colorspec = get_text_colorspec (t.color, mono); + if (isempty (t.string)) + fprintf (plot_stream, "unset xlabel;\n"); + fprintf (plot_stream, "unset x2label;\n"); + else + [tt, f, s] = __maybe_munge_text__ (enhanced, t, "string"); + fontspec = create_fontspec (f, s, gnuplot_term); + if (strcmpi (axis_obj.xaxislocation, "top")) + fprintf (plot_stream, "set x2label \"%s\" %s %s %s", + undo_string_escapes (tt), colorspec, fontspec, + __do_enhanced_option__ (enhanced, t)); + else + fprintf (plot_stream, "set xlabel \"%s\" %s %s %s", + undo_string_escapes (tt), colorspec, fontspec, + __do_enhanced_option__ (enhanced, t)); + endif + fprintf (plot_stream, " rotate by %f;\n", angle); + if (strcmpi (axis_obj.xaxislocation, "top")) + fprintf (plot_stream, "unset xlabel;\n"); + else + fprintf (plot_stream, "unset x2label;\n"); + endif + endif + endif + + if (! isempty (axis_obj.ylabel)) + t = get (axis_obj.ylabel); + angle = t.rotation; + colorspec = get_text_colorspec (t.color, mono); + if (isempty (t.string)) + fprintf (plot_stream, "unset ylabel;\n"); + fprintf (plot_stream, "unset y2label;\n"); + else + [tt, f, s] = __maybe_munge_text__ (enhanced, t, "string"); + fontspec = create_fontspec (f, s, gnuplot_term); + if (strcmpi (axis_obj.yaxislocation, "right")) + fprintf (plot_stream, "set y2label \"%s\" %s %s %s", + undo_string_escapes (tt), colorspec, fontspec, + __do_enhanced_option__ (enhanced, t)); + else + fprintf (plot_stream, "set ylabel \"%s\" %s %s %s", + undo_string_escapes (tt), colorspec, fontspec, + __do_enhanced_option__ (enhanced, t)); + endif + fprintf (plot_stream, " rotate by %f;\n", angle); + if (strcmpi (axis_obj.yaxislocation, "right")) + fprintf (plot_stream, "unset ylabel;\n"); + else + fprintf (plot_stream, "unset y2label;\n"); + endif + endif + endif + + if (! isempty (axis_obj.zlabel)) + t = get (axis_obj.zlabel); + angle = t.rotation; + colorspec = get_text_colorspec (t.color, mono); + if (isempty (t.string)) + fputs (plot_stream, "unset zlabel;\n"); + else + [tt, f, s] = __maybe_munge_text__ (enhanced, t, "string"); + fontspec = create_fontspec (f, s, gnuplot_term); + fprintf (plot_stream, "set zlabel \"%s\" %s %s %s", + undo_string_escapes (tt), colorspec, fontspec, + __do_enhanced_option__ (enhanced, t)); + fprintf (plot_stream, " rotate by %f;\n", angle); + endif + endif + + if (strcmpi (axis_obj.xaxislocation, "top")) + xaxisloc = "x2"; + xaxisloc_using = "x2"; + else + xaxisloc = "x"; + xaxisloc_using = "x1"; + if (strcmpi (axis_obj.xaxislocation, "zero")) + fputs (plot_stream, "set xzeroaxis;\n"); + endif + endif + if (strcmpi (axis_obj.yaxislocation, "right")) + yaxisloc = "y2"; + yaxisloc_using = "y2"; + else + yaxisloc = "y"; + yaxisloc_using = "y1"; + if (strcmpi (axis_obj.yaxislocation, "zero")) + fputs (plot_stream, "set yzeroaxis;\n"); + endif + endif + + have_grid = false; + + if (strcmpi (axis_obj.xgrid, "on")) + have_grid = true; + fprintf (plot_stream, "set grid %stics;\n", xaxisloc); + else + fprintf (plot_stream, "set grid no%stics;\n", xaxisloc); + endif + + if (strcmpi (axis_obj.ygrid, "on")) + have_grid = true; + fprintf (plot_stream, "set grid %stics;\n", yaxisloc); + else + fprintf (plot_stream, "set grid no%stics;\n", yaxisloc); + endif + + if (strcmpi (axis_obj.zgrid, "on")) + have_grid = true; + fputs (plot_stream, "set grid ztics;\n"); + else + fputs (plot_stream, "set grid noztics;\n"); + endif + + if (strcmpi (axis_obj.xminorgrid, "on")) + have_grid = true; + if (strcmp (axis_obj.xscale, "log")) + m = 10; + else + m = 5; + endif + fprintf (plot_stream, "set m%stics %d;\n", xaxisloc, m); + fprintf (plot_stream, "set grid m%stics;\n", xaxisloc); + else + fprintf (plot_stream, "set grid nom%stics;\n", xaxisloc); + endif + + if (strcmpi (axis_obj.yminorgrid, "on")) + have_grid = true; + if (strcmp (axis_obj.yscale, "log")) + m = 10; + else + m = 5; + endif + fprintf (plot_stream, "set m%stics %d;\n", yaxisloc, m); + fprintf (plot_stream, "set grid m%stics;\n", yaxisloc); + else + fprintf (plot_stream, "set grid nom%stics;\n", yaxisloc); + endif + + if (strcmpi (axis_obj.zminorgrid, "on")) + have_grid = true; + if (strcmp (axis_obj.zscale, "log")) + m = 10; + else + m = 5; + endif + fprintf (plot_stream, "set mztics %d;\n", m); + fputs (plot_stream, "set grid mztics;\n"); + else + fputs (plot_stream, "set grid nomztics;\n"); + endif + + ## The grid front/back/layerdefault option also controls the + ## appearance of tics, so it is used even if the grid is absent. + if (strcmpi (axis_obj.layer, "top")) + fputs (plot_stream, "set grid front;\n"); + fputs (plot_stream, "set border front;\n"); + else + fputs (plot_stream, "set grid layerdefault;\n"); + ## FIXME: The gnuplot help says that "layerdefault" should work + ## for set border too, but it fails for me with gnuplot 4.2.5. + ## So, use "back" instead. + fputs (plot_stream, "set border back;\n"); + endif + + fprintf (plot_stream, "set grid linewidth %f, linewidth %f;\n", + axis_obj.linewidth, axis_obj.linewidth); + + if (! have_grid) + fputs (plot_stream, "unset grid;\n"); + endif + + xlogscale = strcmpi (axis_obj.xscale, "log"); + ylogscale = strcmpi (axis_obj.yscale, "log"); + zlogscale = strcmpi (axis_obj.zscale, "log"); + + ## Detect logscale and negative lims + if (xlogscale && all (axis_obj.xlim < 0)) + axis_obj.xsgn = -1; + if (strcmp (axis_obj.xdir, "reverse")) + axis_obj.xdir = "normal"; + elseif (strcmp (axis_obj.xdir, "normal")) + axis_obj.xdir = "reverse"; + endif + axis_obj.xtick = -flip (axis_obj.xtick); + axis_obj.xticklabel = flip (axis_obj.xticklabel); + axis_obj.xlim = -flip (axis_obj.xlim); + else + axis_obj.xsgn = 1; + endif + if (ylogscale && all (axis_obj.ylim < 0)) + axis_obj.ysgn = -1; + if (strcmp (axis_obj.ydir, "reverse")) + axis_obj.ydir = "normal"; + elseif (strcmp (axis_obj.ydir, "normal")) + axis_obj.ydir = "reverse"; + endif + axis_obj.ytick = -flip (axis_obj.ytick); + axis_obj.yticklabel = flip (axis_obj.yticklabel); + axis_obj.ylim = -flip (axis_obj.ylim); + else + axis_obj.ysgn = 1; + endif + if (zlogscale && all (axis_obj.zlim < 0)) + axis_obj.zsgn = -1; + if (strcmp (axis_obj.zdir, "reverse")) + axis_obj.zdir = "normal"; + elseif (strcmp (axis_obj.zdir, "normal")) + axis_obj.zdir = "reverse"; + endif + axis_obj.ztick = -flip (axis_obj.ztick); + axis_obj.zticklabel = flip (axis_obj.zticklabel); + axis_obj.zlim = -flip (axis_obj.zlim); + else + axis_obj.zsgn = 1; + endif + + xlim = axis_obj.xlim; + ylim = axis_obj.ylim; + zlim = axis_obj.zlim; + clim = axis_obj.clim; + + do_tics (axis_obj, plot_stream, ymirror, mono, gnuplot_term); + + fputs (plot_stream, "unset logscale;\n"); + if (xlogscale) + fprintf (plot_stream, "set logscale %s;\n", xaxisloc); + endif + if (ylogscale) + fprintf (plot_stream, "set logscale %s;\n", yaxisloc); + endif + if (zlogscale) + fputs (plot_stream, "set logscale z;\n"); + endif + + xautoscale = strcmpi (axis_obj.xlimmode, "auto"); + yautoscale = strcmpi (axis_obj.ylimmode, "auto"); + zautoscale = strcmpi (axis_obj.zlimmode, "auto"); + cautoscale = strcmpi (axis_obj.climmode, "auto"); + cdatadirect = false; + truecolor = false; + + fputs (plot_stream, "set clip two;\n"); + + kids = axis_obj.children; + ## Remove the axis labels and title from the children, and + ## preserved the original order. + [jnk, k] = setdiff (kids, [axis_obj.xlabel; axis_obj.ylabel; ... + axis_obj.zlabel; axis_obj.title]); + kids = kids(sort (k)); + + if (nd == 3) + fputs (plot_stream, "set parametric;\n"); + fputs (plot_stream, "set style data lines;\n"); + fputs (plot_stream, "set surface;\n"); + fputs (plot_stream, "unset contour;\n"); + endif + + data_idx = 0; + data = cell (); + is_image_data = []; + hidden_removal = NaN; + view_map = false; + + if (! cautoscale && clim(1) == clim(2)) + clim(2)++; + endif + addedcmap = []; + + ximg_data = {}; + ximg_data_idx = 0; + + while (! isempty (kids)) + + obj = get (kids(end)); + + if (isfield (obj, "xdata")) + obj.xdata = double (obj.xdata); + endif + if (isfield (obj, "ydata")) + obj.ydata = double (obj.ydata); + endif + if (isfield (obj, "zdata")) + obj.zdata = double (obj.zdata); + endif + + if (isfield (obj, "units")) + units = obj.units; + unwind_protect + set (kids(end), "units", "data"); + obj = get (kids(end)); + unwind_protect_cleanup + set (kids(end), "units", units); + end_unwind_protect + endif + kids = kids(1:(end-1)); + + if (strcmp (obj.visible, "off")) + continue; + endif + + if (xlogscale && isfield (obj, "xdata")) + obj.xdata = axis_obj.xsgn * obj.xdata; + obj.xdata(obj.xdata<=0) = NaN; + endif + if (ylogscale && isfield (obj, "ydata")) + obj.ydata = axis_obj.ysgn * obj.ydata; + obj.ydata(obj.ydata<=0) = NaN; + endif + if (zlogscale && isfield (obj, "zdata")) + obj.zdata = axis_obj.zsgn * obj.zdata; + obj.zdata(obj.zdata<=0) = NaN; + endif + + ## Check for facecolor interpolation for surfaces. + doing_interp_color = ... + isfield (obj, "facecolor") && strcmp (obj.facecolor, "interp"); + + switch (obj.type) + case "image" + img_data = obj.cdata; + img_xdata = obj.xdata; + img_ydata = obj.ydata; + + if (ndims (img_data) == 3) + truecolor = true; + elseif (strcmpi (obj.cdatamapping, "direct")) + cdatadirect = true; + endif + data_idx++; + is_image_data(data_idx) = true; + parametric(data_idx) = false; + have_cdata(data_idx) = false; + have_3d_patch(data_idx) = false; + + if (img_xdata(2) < img_xdata(1)) + img_xdata = img_xdata(2:-1:1); + img_data = img_data(:,end:-1:1,:); + elseif (img_xdata(1) == img_xdata(2)) + img_xdata = img_xdata(1) + [0, columns(img_data)-1]; + endif + if (img_ydata(2) < img_ydata(1)) + img_ydata = img_ydata(2:-1:1); + img_data = img_data(end:-1:1,:,:); + elseif (img_ydata(1) == img_ydata(2)) + img_ydata = img_ydata(1) + [0, rows(img_data)-1]; + endif + + x_origin = min (img_xdata); + y_origin = min (img_ydata); + + [y_dim, x_dim] = size (img_data(:,:,1)); + if (x_dim > 1) + dx = abs (img_xdata(2)-img_xdata(1))/(x_dim-1); + else + x_dim = 2; + img_data = [img_data, img_data]; + dx = abs (img_xdata(2)-img_xdata(1)); + if (dx < 1) + ## Correct gnuplot string for 1-D images + dx = 0.5; + x_origin = 0.75; + endif + endif + if (y_dim > 1) + dy = abs (img_ydata(2)-img_ydata(1))/(y_dim-1); + else + y_dim = 2; + img_data = [img_data; img_data]; + dy = abs (img_ydata(2)-img_ydata(1)); + if (dy < 1) + ## Correct gnuplot string for 1-D images + dy = 0.5; + y_origin = 0.75; + endif + endif + + if (ndims (img_data) == 3) + data{data_idx} = permute (img_data, [3, 1, 2])(:); + format = "1:2:3"; + imagetype = "rgbimage"; + else + data{data_idx} = img_data(:); + format = "1"; + imagetype = "image"; + endif + + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = sprintf ("binary array=%dx%d scan=yx origin=(%.15g,%.15g) dx=%.15g dy=%.15g using %s", + x_dim, y_dim, x_origin, y_origin, dx, dy, format); + withclause{data_idx} = sprintf ("with %s;", imagetype); + + case "line" + if (strcmp (obj.linestyle, "none") + && (! isfield (obj, "marker") + || (isfield (obj, "marker") + && strcmp (obj.marker, "none")))) + continue; + endif + data_idx++; + is_image_data(data_idx) = false; + parametric(data_idx) = true; + have_cdata(data_idx) = false; + have_3d_patch(data_idx) = false; + if (isempty (obj.displayname)) + titlespec{data_idx} = "title \"\""; + else + tmp = undo_string_escapes ( + __maybe_munge_text__ (enhanced, obj, "displayname") + ); + titlespec{data_idx} = ['title "' tmp '"']; + endif + usingclause{data_idx} = sprintf ("record=%d", numel (obj.xdata)); + errbars = ""; + if (nd == 3) + xdat = obj.xdata(:); + ydat = obj.ydata(:); + if (! isempty (obj.zdata)) + zdat = obj.zdata(:); + else + zdat = zeros (size (xdat)); + endif + data{data_idx} = [xdat, ydat, zdat]'; + usingclause{data_idx} = sprintf ("record=%d using ($1):($2):($3)", + numel (xdat)); + hidden_removal = false; + ## fputs (plot_stream, "set parametric;\n"); + else + xdat = obj.xdata(:); + ydat = obj.ydata(:); + data{data_idx} = [xdat, ydat]'; + usingclause{data_idx} = ... + sprintf ("record=%d using ($1):($2) axes %s%s", + rows (xdat), xaxisloc_using, yaxisloc_using); + endif + + style = do_linestyle_command (obj, obj.color, data_idx, mono, + plot_stream, errbars); + + withclause{data_idx} = sprintf ("with %s linestyle %d", + style{1}, data_idx); + + if (length (style) > 1) + data_idx++; + is_image_data(data_idx) = is_image_data(data_idx - 1); + parametric(data_idx) = parametric(data_idx - 1); + have_cdata(data_idx) = have_cdata(data_idx - 1); + have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = usingclause{data_idx - 1}; + data{data_idx} = data{data_idx - 1}; + withclause{data_idx} = sprintf ("with %s linestyle %d", + style{2}, data_idx); + endif + if (length (style) > 2) + data_idx++; + is_image_data(data_idx) = is_image_data(data_idx - 1); + parametric(data_idx) = parametric(data_idx - 1); + have_cdata(data_idx) = have_cdata(data_idx - 1); + have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = usingclause{data_idx - 1}; + data{data_idx} = data{data_idx - 1}; + withclause{data_idx} = sprintf ("with %s linestyle %d", + style{3}, data_idx); + endif + + case "patch" + cmap = parent_figure_obj.colormap; + [nr, nc] = size (obj.xdata); + + if (! isempty (obj.cdata)) + cdat = obj.cdata; + if (strcmpi (obj.cdatamapping, "direct")) + cdatadirect = true; + endif + else + cdat = []; + endif + + data_3d_idx = NaN; + for i = 1:nc + xcol = obj.xdata(:,i); + ycol = obj.ydata(:,i); + if (nd == 3) + if (! isempty (obj.zdata)) + zcol = obj.zdata(:,i); + else + zcol = zeros (size (xcol)); + endif + endif + + if (! isnan (xcol) && ! isnan (ycol)) + ## Is the patch closed or not + if (strcmp (obj.facecolor, "none")) + hidden_removal = false; + else + + if (isnan (hidden_removal)) + hidden_removal = true; + endif + if (nd == 3) + if (numel (xcol) > 3) + error ("__gnuplot_draw_axes__: gnuplot (as of v4.2) only supports 3-D filled triangular patches"); + else + if (isnan (data_3d_idx)) + data_idx++; + data_3d_idx = data_idx; + is_image_data(data_idx) = false; + parametric(data_idx) = false; + have_cdata(data_idx) = true; + have_3d_patch(data_idx) = true; + withclause{data_3d_idx} = sprintf ("with pm3d"); + usingclause{data_3d_idx} = "using 1:2:3:4"; + data{data_3d_idx} = []; + endif + local_idx = data_3d_idx; + ccdat = NaN; + endif + else + data_idx++; + local_idx = data_idx; + is_image_data(data_idx) = false; + parametric(data_idx) = false; + have_cdata(data_idx) = false; + have_3d_patch(data_idx) = false; + endif + + if (i > 1 || isempty (obj.displayname)) + titlespec{local_idx} = "title \"\""; + else + tmp = undo_string_escapes ( + __maybe_munge_text__ (enhanced, obj, "displayname") + ); + titlespec{local_idx} = ['title "' tmp '"']; + endif + if (isfield (obj, "facecolor")) + if ((strcmp (obj.facecolor, "flat") + || strcmp (obj.facecolor, "interp")) + && isfield (obj, "cdata")) + if (ndims (obj.cdata) == 2 + && (columns (obj.cdata) == nc + && (rows (obj.cdata) == 1 + || rows (obj.cdata) == 3))) + ccol = cdat(:, i); + elseif (ndims (obj.cdata) == 2 + && (rows (obj.cdata) == nc + && (columns (obj.cdata) == 1 + || columns (obj.cdata) == 3))) + ccol = cdat(i, :); + elseif (ndims (obj.cdata) == 3) + ccol = permute (cdat (:, i, :), [1, 3, 2]); + else + ccol = cdat; + endif + if (strcmp (obj.facecolor, "flat")) + if (isequal (size (ccol), [1, 3])) + ## RGB Triplet + color = ccol; + elseif (nd == 3 && numel (xcol) == 3) + ccdat = ccol; + else + if (cdatadirect) + r = round (ccol); + else + r = 1 + round ((rows (cmap) - 1) + * (ccol - clim(1))/(clim(2) - clim(1))); + endif + r = max (1, min (r, rows (cmap))); + color = cmap(r, :); + endif + elseif (strcmp (obj.facecolor, "interp")) + if (nd == 3 && numel (xcol) == 3) + ccdat = ccol; + if (! isvector (ccdat)) + tmp = rows (cmap) + rows (addedcmap) + ... + [1 : rows(ccdat)]; + addedcmap = [addedcmap; ccdat]; + ccdat = tmp(:); + else + ccdat = ccdat(:); + endif + else + if (sum (diff (ccol))) + warning ("\"interp\" not supported, using 1st entry of cdata"); + endif + if (cdatadirect) + r = round (ccol); + else + r = 1 + round ((rows (cmap) - 1) + * (ccol - clim(1))/(clim(2) - clim(1))); + endif + r = max (1, min (r, rows (cmap))); + color = cmap(r(1),:); + endif + endif + elseif (isnumeric (obj.facecolor)) + color = obj.facecolor; + else + color = [0, 1, 0]; + endif + else + color = [0, 1, 0]; + endif + + if (nd == 3 && numel (xcol) == 3) + if (isnan (ccdat)) + ccdat = (rows (cmap) + rows (addedcmap) + 1) * ones(3, 1); + addedcmap = [addedcmap; reshape(color, 1, 3)]; + elseif (numel (ccdat) <= 1) + ccdat = zcol; + endif + data{data_3d_idx} = [data{data_3d_idx}, ... + [[xcol; xcol(end)], [ycol; ycol(end)], ... + [zcol; zcol(end)], [ccdat; ccdat(end)]]']; + else + if (mono) + colorspec = ""; + elseif (__gnuplot_has_feature__ ("transparent_patches") + && isscalar (obj.facealpha)) + colorspec = sprintf ("lc rgb \"#%02x%02x%02x\" fillstyle transparent solid %f", + round (255*color), obj.facealpha); + else + colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", + round (255*color)); + endif + + withclause{data_idx} = sprintf ("with filledcurve %s", + colorspec); + data{data_idx} = [xcol, ycol]'; + usingclause{data_idx} = sprintf ("record=%d using ($1):($2)", + numel (xcol)); + endif + endif + endif + + ## patch outline + if (!(strcmp (obj.edgecolor, "none") + && (strcmp (obj.marker, "none") + || (strcmp (obj.markeredgecolor, "none") + && strcmp (obj.markerfacecolor, "none"))))) + + data_idx++; + is_image_data(data_idx) = false; + parametric(data_idx) = false; + have_cdata(data_idx) = false; + have_3d_patch(data_idx) = false; + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = sprintf ("record=%d", numel (obj.xdata)); + + if (isfield (obj, "markersize")) + mdat = obj.markersize / 3; + endif + + if (isfield (obj, "edgecolor")) + ## FIXME: This is the wrong thing to do as edgecolor, + ## markeredgecolor and markerfacecolor can have different values + ## and we should treat them seperately. However, the code below + ## allows the scatter functions to work as expected, where only + ## one of these values is set. + if (strcmp (obj.edgecolor, "none")) + if (strcmp (obj.markeredgecolor, "none")) + ec = obj.markerfacecolor; + else + ec = obj.markeredgecolor; + endif + else + ec = obj.edgecolor; + endif + + if ((strcmp (ec, "flat") + || strcmp (ec, "interp")) + && isfield (obj, "cdata")) + if (ndims (obj.cdata) == 2 + && (columns (obj.cdata) == nc + && (rows (obj.cdata) == 1 + || rows (obj.cdata) == 3))) + ccol = cdat(:, i); + elseif (ndims (obj.cdata) == 2 + && (rows (obj.cdata) == nc + && (columns (obj.cdata) == 1 + || columns (obj.cdata) == 3))) + ccol = cdat(i, :); + elseif (ndims (obj.cdata) == 3) + ccol = permute (cdat (:, i, :), [1, 3, 2]); + else + ccol = cdat; + endif + if (strcmp (ec, "flat")) + if (numel (ccol) == 3) + color = ccol; + else + if (isscalar (ccol)) + ccol = repmat (ccol, numel (xcol), 1); + endif + color = "flat"; + have_cdata(data_idx) = true; + endif + elseif (strcmp (ec, "interp")) + if (numel (ccol) == 3) + warning ("\"interp\" not supported, using 1st entry of cdata"); + color = ccol(1,:); + else + if (isscalar (ccol)) + ccol = repmat (ccol, numel (xcol), 1); + endif + color = "interp"; + have_cdata(data_idx) = true; + endif + endif + elseif (isnumeric (ec)) + color = ec; + else + color = [0, 0, 0]; + endif + else + color = [0, 0, 0]; + endif + + if (isfield (obj, "linestyle")) + switch (obj.linestyle) + case "-" + lt = "lt 1"; + case "--" + lt = "lt 2"; + case ":" + lt = "lt 3"; + case "-." + lt = "lt 6"; + case "none" + lt = ""; + otherwise + lt = ""; + endswitch + else + lt = ""; + endif + + if (isfield (obj, "linewidth")) + lw = sprintf ("linewidth %f", obj.linewidth); + else + lw = ""; + endif + + [pt, pt2, obj] = gnuplot_pointtype (obj); + if (! isempty (pt)) + pt = sprintf ("pointtype %s", pt); + endif + if (! isempty (pt2)) + pt2 = sprintf ("pointtype %s", pt2); + endif + + if (mono) + colorspec = ""; + else + if (ischar (color)) + colorspec = "palette"; + else + colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", + round (255*color)); + endif + endif + + sidx = 1; + if (isempty (lt)) + style = ""; + else + style = "lines"; + endif + tmpwith = {}; + + facesame = true; + if (! isequal (pt, pt2) && isfield (obj, "markerfacecolor") + && ! strcmp (obj.markerfacecolor, "none")) + if (strcmp (obj.markerfacecolor, "auto") + || ! isnumeric (obj.markerfacecolor) + || (isnumeric (obj.markerfacecolor) + && isequal (color, obj.markerfacecolor))) + style = strcat (style, "points"); + if (isfield (obj, "markersize")) + if (length (mdat) == nc) + m = mdat(i); + else + m = mdat; + endif + ps = sprintf ("pointsize %f", m / 3); + else + ps = ""; + endif + + tmpwith{sidx} = sprintf ("with %s %s %s %s %s %s", + style, lw, pt2, lt, ps, + colorspec); + else + facesame = false; + if (! isempty (style)) + tmpwith{sidx} = sprintf ("with %s %s %s %s", + style, lw, lt, + colorspec); + sidx ++; + endif + if (isnumeric (obj.markerfacecolor) && ! mono) + colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", + round (255*obj.markerfacecolor)); + endif + style = "points"; + if (isfield (obj, "markersize")) + if (length (mdat) == nc) + m = mdat(i); + else + m = mdat; + endif + ps = sprintf ("pointsize %f", m / 3); + else + ps = ""; + endif + tmpwith{sidx} = sprintf ("with %s %s %s %s %s %s", + style, lw, pt2, lt, ps, + colorspec); + endif + endif + + if (isfield (obj, "markeredgecolor") + && ! strcmp (obj.markeredgecolor, "none")) + if (facesame && ! isempty (pt) + && (strcmp (obj.markeredgecolor, "auto") + || ! isnumeric (obj.markeredgecolor) + || (isnumeric (obj.markeredgecolor) + && isequal (color, obj.markeredgecolor)))) + if (sidx == 1 && ((length (style) == 5 + && strncmp (style, "lines", 5)) + || isempty (style))) + style = strcat (style, "points"); + if (isfield (obj, "markersize")) + if (length (mdat) == nc) + m = mdat(i); + else + m = mdat; + endif + ps = sprintf ("pointsize %f", m / 3); + else + ps = ""; + endif + tmpwith{sidx} = sprintf ("with %s %s %s %s %s %s", + style, lw, pt, lt, ps, + colorspec); + endif + else + if (! isempty (style)) + if (length (tmpwith) < sidx || isempty (tmpwith{sidx})) + tmpwith{sidx} = sprintf ("with %s %s %s %s", + style, lw, lt, + colorspec); + endif + sidx ++; + endif + + if (! isempty (pt)) + if (! mono) + if (strcmp (obj.markeredgecolor, "auto")) + colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", + round (255*color)); + elseif (isnumeric (obj.markeredgecolor) && ! mono) + colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", + round (255*obj.markeredgecolor)); + endif + endif + style = "points"; + if (isfield (obj, "markersize")) + if (length (mdat) == nc) + m = mdat(i); + else + m = mdat; + endif + ps = sprintf ("pointsize %f", m / 3); + else + ps = ""; + endif + tmpwith{sidx} = sprintf ("with %s %s %s %s %s %s", + style, lw, pt, lt, ps, + colorspec); + endif + endif + endif + + if (isempty (tmpwith)) + withclause{data_idx} = sprintf ("with %s %s %s %s %s", + style, lw, pt, lt, + colorspec); + else + withclause{data_idx} = tmpwith{1}; + endif + if (nd == 3) + if (ischar (color)) + if (! isnan (xcol) && ! isnan (ycol) && ! isnan (zcol)) + data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)], ... + [zcol; zcol(1)], [ccol; ccol(1)]]'; + else + data{data_idx} = [xcol, ycol, zcol, ccol]'; + endif + usingclause{data_idx} = sprintf ("record=%d using ($1):($2):($3):($4)", columns (data{data_idx})); + else + if (! isnan (xcol) && ! isnan (ycol) && ! isnan (zcol)) + data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)], ... + [zcol; zcol(1)]]'; + else + data{data_idx} = [xcol, ycol, zcol]'; + endif + usingclause{data_idx} = sprintf ("record=%d using ($1):($2):($3)", columns (data{data_idx})); + endif + else + if (ischar (color)) + if (! isnan (xcol) && ! isnan (ycol)) + data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)], ... + [ccol; ccol(1)]]'; + else + data{data_idx} = [xcol, ycol, ccol]'; + endif + usingclause{data_idx} = sprintf ("record=%d using ($1):($2):($3)", columns (data{data_idx})); + else + if (! isnan (xcol) && ! isnan (ycol)) + data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)]]'; + else + data{data_idx} = [xcol, ycol]'; + endif + usingclause{data_idx} = sprintf ("record=%d using ($1):($2)", columns (data{data_idx})); + endif + endif + + if (length (tmpwith) > 1) + data_idx++; + is_image_data(data_idx) = is_image_data(data_idx - 1); + parametric(data_idx) = parametric(data_idx - 1); + have_cdata(data_idx) = have_cdata(data_idx - 1); + have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = usingclause{data_idx - 1}; + data{data_idx} = data{data_idx - 1}; + withclause{data_idx} = tmpwith{2}; + endif + if (length (tmpwith) > 2) + data_idx++; + is_image_data(data_idx) = is_image_data(data_idx - 1); + parametric(data_idx) = parametric(data_idx - 1); + have_cdata(data_idx) = have_cdata(data_idx - 1); + have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = usingclause{data_idx - 1}; + data{data_idx} = data{data_idx - 1}; + withclause{data_idx} = tmpwith{3}; + endif + endif + endfor + + case "surface" + view_map = true; + if (! (strcmp (obj.edgecolor, "none") + && strcmp (obj.facecolor, "none"))) + data_idx++; + is_image_data(data_idx) = false; + parametric(data_idx) = false; + have_cdata(data_idx) = true; + have_3d_patch(data_idx) = false; + style = do_linestyle_command (obj, obj.edgecolor, + data_idx, mono, + plot_stream); + + if (isempty (obj.displayname)) + titlespec{data_idx} = "title \"\""; + else + tmp = undo_string_escapes ( + __maybe_munge_text__ (enhanced, obj, "displayname") + ); + titlespec{data_idx} = ['title "' tmp '"']; + endif + withclause{data_idx} = sprintf ("with pm3d linestyle %d", + data_idx); + withpm3d = true; + pm3didx = data_idx; + + xdat = obj.xdata; + ydat = obj.ydata; + zdat = obj.zdata; + cdat = obj.cdata; + + err = false; + if (! size_equal (zdat, cdat)) + err = true; + endif + if (isvector (xdat) && isvector (ydat) && ismatrix (zdat)) + if (rows (zdat) == length (ydat) + && columns (zdat) == length (xdat)) + [xdat, ydat] = meshgrid (xdat, ydat); + else + err = true; + endif + elseif (ismatrix (xdat) && ismatrix (ydat) && ismatrix (zdat)) + if (! size_equal (xdat, ydat, zdat)) + err = true; + endif + else + err = true; + endif + if (err) + error ("__gnuplot_draw_axes__: invalid grid data"); + endif + xlen = columns (zdat); + ylen = rows (zdat); + if (xlen == columns (xdat) && xlen == columns (ydat) + && ylen == rows (xdat) && ylen == rows (ydat)) + len = 4 * xlen; + zz = zeros (ylen, len); + k = 1; + for kk = 1:4:len + zz(:,kk) = xdat(:,k); + zz(:,kk+1) = ydat(:,k); + zz(:,kk+2) = zdat(:,k); + zz(:,kk+3) = cdat(:,k); + k++; + endfor + data{data_idx} = zz.'; + endif + + if (doing_interp_color) + interp_str = "interpolate 0, 0"; + else + ## No interpolation of facecolors. + interp_str = ""; + endif + usingclause{data_idx} = sprintf ("record=%dx%d using ($1):($2):($3):($4)", ylen, xlen); + + flat_interp_face = (strcmp (obj.facecolor, "flat") + || strcmp (obj.facecolor, "interp")); + flat_interp_edge = (strcmp (obj.edgecolor, "flat") + || strcmp (obj.edgecolor, "interp")); + + facecolor_none_or_white = (strcmp (obj.facecolor, "none") + || (isnumeric (obj.facecolor) + && all (obj.facecolor == 1))); + hidden_removal = false; + fputs (plot_stream, "set style increment default;\n"); + if (flat_interp_edge && facecolor_none_or_white) + withpm3d = false; + withclause{data_idx} = sprintf ("with %s palette", style{1}); + fputs (plot_stream, "unset pm3d\n"); + if (all (obj.facecolor == 1)) + hidden_removal = true; + endif + elseif (facecolor_none_or_white) + if (all (obj.facecolor == 1)) + hidden_removal = true; + endif + fputs (plot_stream,"unset pm3d;\n"); + fputs (plot_stream,"set style increment user;\n"); + withpm3d = false; + withclause{data_idx} = sprintf ("with %s linestyle %d", + style{1}, data_idx); + fputs (plot_stream, "unset pm3d\n"); + endif + + if (doing_interp_color) + ## "depthorder" interferes with interpolation of colors. + dord = "scansautomatic"; + else + dord = "depthorder"; + endif + + if (flat_interp_face && strcmp (obj.edgecolor, "flat")) + fprintf (plot_stream, + "set pm3d explicit at s %s %s corners2color c3;\n", + interp_str, dord); + elseif (! facecolor_none_or_white) + if (strcmp (obj.edgecolor, "none")) + if (__gnuplot_has_feature__ ("transparent_surface") + && isscalar (obj.facealpha)) + fprintf (plot_stream, + "set style fill transparent solid %f;\n", + obj.facealpha); + endif + fprintf (plot_stream, + "set pm3d explicit at s %s corners2color c3;\n", + interp_str, dord); + else + fprintf (plot_stream, + "set pm3d explicit at s hidden3d %d %s %s corners2color c3;\n", + data_idx, interp_str, dord); + + if (__gnuplot_has_feature__ ("transparent_surface") + && isscalar (obj.facealpha)) + fprintf (plot_stream, + "set style fill transparent solid %f;\n", + obj.facealpha); + endif + endif + endif + + zz = []; + if (length (style) > 1) + len = 3 * xlen; + zz = zeros (ylen, len); + k = 1; + for kk = 1:3:len + zz(:,kk) = xdat(:,k); + zz(:,kk+1) = ydat(:,k); + zz(:,kk+2) = zdat(:,k); + k++; + endfor + zz = zz.'; + + data_idx++; + is_image_data(data_idx) = is_image_data(data_idx - 1); + parametric(data_idx) = parametric(data_idx - 1); + have_cdata(data_idx) = false; + have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = sprintf ("record=%dx%d using ($1):($2):($3)", ylen, xlen); + data{data_idx} = zz; + withclause{data_idx} = sprintf ("with %s linestyle %d", + style{2}, data_idx); + + endif + if (length (style) > 2) + data_idx++; + is_image_data(data_idx) = is_image_data(data_idx - 1); + parametric(data_idx) = parametric(data_idx - 1); + have_cdata(data_idx) = false; + have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = sprintf ("record=%dx%d using ($1):($2):($3)", ylen, xlen); + data{data_idx} = zz; + withclause{data_idx} = sprintf ("with %s linestyle %d", + style{3}, data_idx); + endif + if (withpm3d && strcmp (style{1}, "linespoints")) + if (isempty (zz)) + len = 3 * xlen; + zz = zeros (ylen, len); + k = 1; + for kk = 1:3:len + zz(:,kk) = xdat(:,k); + zz(:,kk+1) = ydat(:,k); + zz(:,kk+2) = zdat(:,k); + k++; + endfor + zz = zz.'; + endif + data_idx++; + is_image_data(data_idx) = is_image_data(data_idx - 1); + parametric(data_idx) = parametric(data_idx - 1); + have_cdata(data_idx) = false; + have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); + titlespec{data_idx} = "title \"\""; + usingclause{data_idx} = sprintf ("record=%dx%d using ($1):($2):($3)", ylen, xlen); + data{data_idx} = zz; + withclause{data_idx} = sprintf ("with points linestyle %d", + pm3didx); + endif + endif + + case "text" + [label, f, s] = __maybe_munge_text__ (enhanced, obj, "string"); + fontspec = create_fontspec (f, s, gnuplot_term); + lpos = obj.position; + halign = obj.horizontalalignment; + valign = obj.verticalalignment; + angle = obj.rotation; + units = obj.units; + color = obj.color; + if (strcmpi (units, "normalized")) + units = "graph"; + elseif (strcmp (axis_obj.yaxislocation, "right") + && strcmp (units, "data")) + units = "second"; + else + units = ""; + endif + + if (isnumeric (color)) + colorspec = get_text_colorspec (color, mono); + endif + + if (ischar (obj.string)) + num_lines = rows (obj.string); + num_lines += numel (strfind (obj.string, "\n")); + else + num_lines = numel (obj.string); + endif + switch (valign) + ## Text offset in characters. Relies on gnuplot for font metrics. + case "top" + dy = -0.5; + case "cap" + dy = -0.5; + case "middle" + dy = 0.5 * (num_lines - 1); + case "baseline" + dy = 0.5 + (num_lines - 1); + case "bottom" + dy = 0.5 + (num_lines - 1); + endswitch + ## Gnuplot's Character units are different for x/y and vary with + ## fontsize. The aspect ratio of 1:1.7 was determined by experiment + ## to work for eps/ps/etc. For the MacOS aqua terminal a value of 2.5 + ## is needed. However, the difference is barely noticable. + dx_and_dy = [(-dy * sind (angle)), (dy * cosd (angle))] .* [1.7 1]; + + ## FIXME: Multiline text produced the gnuplot + ## "warning: ft_render: skipping glyph" + if (nd == 3) + ## This produces the desired vertical alignment in 3D. + fprintf (plot_stream, + "set label \"%s\" at %s %.15e,%.15e,%.15e %s rotate by %f offset character %f,%f %s %s front %s;\n", + undo_string_escapes (label), units, lpos(1), + lpos(2), lpos(3), halign, angle, dx_and_dy, fontspec, + __do_enhanced_option__ (enhanced, obj), colorspec); + else + fprintf (plot_stream, + "set label \"%s\" at %s %.15e,%.15e %s rotate by %f offset character %f,%f %s %s front %s;\n", + undo_string_escapes (label), units, + lpos(1), lpos(2), halign, angle, dx_and_dy, fontspec, + __do_enhanced_option__ (enhanced, obj), colorspec); + endif + + case "hggroup" + ## Push group children into the kid list. + if (isempty (kids)) + kids = obj.children; + elseif (! isempty (obj.children)) + kids = [kids; obj.children]; + endif + + otherwise + error ("__gnuplot_draw_axes__: unknown object class, %s", + obj.type); + endswitch + + endwhile + + ## This is need to prevent warnings for rotations in 3D plots, while + ## allowing colorbars with contours. + if (nd == 2 || (data_idx > 1 && ! view_map)) + fputs (plot_stream, "set pm3d implicit;\n"); + else + fputs (plot_stream, "set pm3d explicit;\n"); + endif + + if (isnan (hidden_removal) || hidden_removal) + fputs (plot_stream, "set hidden3d;\n"); + else + fputs (plot_stream, "unset hidden3d;\n"); + endif + + have_data = (! (isempty (data) || all (cellfun ("isempty", data)))); + + ## Note we don't use the [xy]2range of gnuplot as we don't use the + ## dual axis plotting features of gnuplot. + if (isempty (xlim)) + return; + endif + if (strcmpi (axis_obj.xdir, "reverse")) + xlim = flip (xlim); + endif + + fprintf (plot_stream, "set xrange [%.15e:%.15e];\n", xlim); + if (strcmpi (axis_obj.xaxislocation, "top")) + fprintf (plot_stream, "set x2range [%.15e:%.15e];\n", xlim); + endif + + if (isempty (ylim)) + return; + endif + if (strcmpi (axis_obj.ydir, "reverse")) + ylim = flip (ylim); + endif + fprintf (plot_stream, "set yrange [%.15e:%.15e];\n", ylim); + if (strcmpi (axis_obj.yaxislocation, "right")) + fprintf (plot_stream, "set y2range [%.15e:%.15e];\n", ylim); + endif + + if (nd == 3) + if (isempty (zlim)) + return; + endif + if (strcmpi (axis_obj.zdir, "reverse")) + zlim = flip (zlim); + endif + fprintf (plot_stream, "set zrange [%.15e:%.15e];\n", zlim); + endif + + cmap = parent_figure_obj.colormap; + cmap_sz = rows (cmap); + if (! any (isinf (clim))) + if (truecolor || ! cdatadirect) + if (rows (addedcmap) > 0) + for i = 1:data_idx + if (have_3d_patch(i)) + data{i}(end,:) = clim(2) * (data{i}(end, :) - 0.5) / cmap_sz; + endif + endfor + fprintf (plot_stream, "set cbrange [%.15e:%.15e];\n", + clim(1), clim(2) * (cmap_sz + rows (addedcmap)) / cmap_sz); + else + fprintf (plot_stream, "set cbrange [%.15e:%.15e];\n", clim); + endif + else + fprintf (plot_stream, "set cbrange [1:%d];\n", cmap_sz + + rows (addedcmap)); + endif + endif + + if (strcmpi (axis_obj.box, "on")) + if (nd == 3) + fputs (plot_stream, "set border 4095;\n"); + else + fputs (plot_stream, "set border 431;\n"); + endif + else + if (nd == 3) + fputs (plot_stream, "set border 895;\n"); + elseif (! isempty (axis_obj.ytick)) + if (strcmpi (axis_obj.yaxislocation, "right")) + fprintf (plot_stream, "unset ytics; set y2tics %s nomirror\n", + axis_obj.tickdir); + if (strcmpi (axis_obj.xaxislocation, "top")) + maybe_do_x2tick_mirror (plot_stream, axis_obj) + fputs (plot_stream, "set border 12;\n"); + elseif (strcmpi (axis_obj.xaxislocation, "bottom")) + maybe_do_xtick_mirror (plot_stream, axis_obj) + fputs (plot_stream, "set border 9;\n"); + else # xaxislocation == zero + fprintf (plot_stream, "unset x2tics; set xtics %s nomirror\n", + axis_obj.tickdir); + fputs (plot_stream, "set border 8;\n"); + fprintf (plot_stream, "set xzeroaxis lt -1 lw %f;\n", + axis_obj.linewidth); + endif + elseif (strcmpi (axis_obj.yaxislocation, "left")) + fprintf (plot_stream, "unset y2tics; set ytics %s nomirror\n", + axis_obj.tickdir); + if (strcmpi (axis_obj.xaxislocation, "top")) + maybe_do_x2tick_mirror (plot_stream, axis_obj) + fputs (plot_stream, "set border 6;\n"); + elseif (strcmpi (axis_obj.xaxislocation, "bottom")) + maybe_do_xtick_mirror (plot_stream, axis_obj) + fputs (plot_stream, "set border 3;\n"); + else # xaxislocation == zero + maybe_do_xtick_mirror (plot_stream, axis_obj) + fputs (plot_stream, "set border 2;\n"); + fprintf (plot_stream, "set xzeroaxis lt -1 lw %f;\n", + axis_obj.linewidth); + endif + else # yaxislocation == zero + fprintf (plot_stream, "unset y2tics; set ytics %s nomirror\n", + axis_obj.tickdir); + if (strcmpi (axis_obj.xaxislocation, "top")) + maybe_do_x2tick_mirror (plot_stream, axis_obj) + fputs (plot_stream, "set border 4;\n"); + elseif (strcmpi (axis_obj.xaxislocation, "bottom")) + maybe_do_xtick_mirror (plot_stream, axis_obj) + fputs (plot_stream, "set border 1;\n"); + else # xaxislocation == zero + maybe_do_xtick_mirror (plot_stream, axis_obj) + fprintf (plot_stream, "unset y2tics; set ytics %s nomirror\n", + axis_obj.tickdir); + fputs (plot_stream, "unset border;\n"); + fprintf (plot_stream, "set xzeroaxis lt -1 lw %f;\n", + axis_obj.linewidth); + endif + fprintf (plot_stream, "set yzeroaxis lt -1 lw %f;\n", + axis_obj.linewidth); + endif + endif + endif + + if (strcmpi (axis_obj.visible, "off")) + fputs (plot_stream, "unset border; unset tics\n"); + else + fprintf (plot_stream, "set border lw %f;\n", axis_obj.linewidth); + endif + + if (! isempty (hlgnd) && ! isempty (hlgnd.children) + && any (strcmpi (get (hlgnd.children, "visible"), "on"))) + if (strcmpi (hlgnd.box, "on")) + box = "box"; + else + box = "nobox"; + endif + if (strcmpi (hlgnd.orientation, "vertical")) + horzvert = "vertical"; + else + horzvert = "horizontal"; + endif + if (strcmpi (hlgnd.textposition, "right")) + reverse = "reverse"; + else + reverse = "noreverse"; + endif + inout = "inside"; + keypos = hlgnd.location; + if (ischar (keypos)) + keypos = lower (keypos); + keyout = strfind (keypos, "outside"); + if (! isempty (keyout)) + inout = "outside"; + keypos = keypos(1:keyout-1); + endif + endif + switch (keypos) + case "north" + pos = "center top"; + case "south" + pos = "center bottom"; + case "east" + pos = "right center"; + case "west" + pos = "left center"; + case "northeast" + pos = "right top"; + case "northwest" + pos = "left top"; + case "southeast" + pos = "right bottom"; + case "southwest" + pos = "left bottom"; + case "best" + pos = ""; + warning ("legend: 'Best' not yet implemented for location specifier.\n"); + ## Least conflict with data in plot. + ## Least unused space outside plot. + otherwise + pos = ""; + endswitch + if (__gnuplot_has_feature__ ("key_has_font_properties")) + [fontname, fontsize] = get_fontname_and_size (hlgnd); + fontspacespec = [ create_spacingspec(fontname, fontsize, gnuplot_term),... + create_fontspec(fontname, fontsize, gnuplot_term) ]; + else + fontspacespec = ""; + endif + textcolors = get (findobj (hlgnd.children, "type", "text"), "color"); + if (iscell (textcolors)) + textcolors = cell2mat (textcolors); + textcolors = unique (textcolors, "rows"); + endif + if (rows (textcolors) > 1) + ## Gnuplot is unable to assign arbitrary colors to each text entry + ## for the key/legend. But, the text color can be set to match the + ## color of the plot object. + colorspec = "textcolor variable"; + else + colorspec = get_text_colorspec (textcolors, mono); + endif + fprintf (plot_stream, "set key %s %s;\nset key %s %s %s %s %s %s;\n", + inout, pos, box, reverse, horzvert, fontspacespec, colorspec, + __do_enhanced_option__ (enhanced, hlgnd)); + else + fputs (plot_stream, "unset key;\n"); + endif + fputs (plot_stream, "set style data lines;\n"); + + cmap = [cmap; addedcmap]; + cmap_sz += rows (addedcmap); + if (mono == false && length (cmap) > 0) + fprintf (plot_stream, + "set palette positive color model RGB maxcolors %i;\n", + cmap_sz); + fprintf (plot_stream, + "set palette file \"-\" binary record=%d using 1:2:3:4;\n", + cmap_sz); + fwrite (plot_stream, [1:cmap_sz; cmap.'], "float32"); + fwrite (plot_stream, "\n"); + endif + + fputs (plot_stream, "unset colorbox;\n"); + + if (have_data) + if (nd == 2) + plot_cmd = "plot"; + else + plot_cmd = "splot"; + rot_x = 90 - axis_obj.view(2); + rot_z = axis_obj.view(1); + while (rot_z < 0) + rot_z += 360; + endwhile + fputs (plot_stream, "set ticslevel 0;\n"); + if (view_map && rot_x == 0 && rot_z == 0) + fputs (plot_stream, "set view map;\n"); + else + fprintf (plot_stream, "set view %.15g, %.15g;\n", rot_x, rot_z); + endif + endif + if (have_3d_patch (1)) + fputs (plot_stream, "set pm3d depthorder\n"); + fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", plot_cmd, + usingclause{1}, titlespec{1}, withclause{1}); + elseif (is_image_data (1)) + if (numel (is_image_data) > 1 && is_image_data(2)) + ## Remove terminating semicolon + n = max (strfind (withclause{1}, ";")); + if (! isempty (n)) + withclause{1} = withclause{1}(1:n-1); + endif + endif + fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", plot_cmd, + usingclause{1}, titlespec{1}, withclause{1}); + else + fprintf (plot_stream, "%s \"-\" binary format='%%float64' %s %s %s \\\n", + plot_cmd, usingclause{1}, titlespec{1}, withclause{1}); + endif + for i = 2:data_idx + if (have_3d_patch (i)) + fprintf (plot_stream, ", \"-\" %s %s %s \\\n", + usingclause{i}, titlespec{i}, withclause{i}); + elseif (is_image_data (i)) + if (! is_image_data (i-1)) + fputs (plot_stream, "; "); + if (bg_is_set) + fputs (plot_stream, "unset obj 1; \\\n"); + bg_is_set = false; + endif + if (fg_is_set) + fputs (plot_stream, "unset obj 2; \\\n"); + fg_is_set = false; + endif + if (numel (is_image_data) > i && is_image_data(i+1)) + ## Remove terminating semicolon + n = max (strfind (withclause{i}, ";")); + if (! isempty (n)) + withclause{i} = withclause{i}(1:n-1); + endif + endif + fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", plot_cmd, + usingclause{i}, titlespec{i}, withclause{i}); + else + ## For consecutive images continue with the same plot command + fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", ",", + usingclause{i}, titlespec{i}, withclause{i}); + endif + elseif (is_image_data (i-1)) + if (bg_is_set) + fputs (plot_stream, "unset obj 1; \\\n"); + bg_is_set = false; + endif + if (fg_is_set) + fputs (plot_stream, "unset obj 2; \\\n"); + fg_is_set = false; + endif + fprintf (plot_stream,"%s \"-\" binary format='%%float64' %s %s %s \\\n", + plot_cmd, usingclause{i}, titlespec{i}, withclause{i}); + else + fprintf (plot_stream, ", \"-\" binary format='%%float64' %s %s %s \\\n", + usingclause{i}, titlespec{i}, withclause{i}); + endif + endfor + fputs (plot_stream, ";\n"); + for i = 1:data_idx + if (have_3d_patch (i)) + ## Can't write 3d patch data as binary as can't plot more than + ## a single patch at a time and have to plot all patches together + ## so that the gnuplot depth ordering is done correctly + for j = 1 : 4 : columns (data{i}) + if (j != 1) + fputs (plot_stream, "\n\n"); + endif + fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n", data{i}(:,j).'); + fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n\n",data{i}(:,j+1).'); + fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n", data{i}(:,j+2).'); + fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n", data{i}(:,j+3).'); + endfor + fputs (plot_stream, "e\n"); + elseif (is_image_data(i)) + fwrite (plot_stream, data{i}, "float32"); + else + __gnuplot_write_data__ (plot_stream, data{i}, nd, parametric(i), + have_cdata(i)); + endif + endfor + else + fputs (plot_stream, "plot \"-\";\nInf Inf\ne\n"); + endif + + ## Needed to allow mouse rotation with pcolor. + if (view_map) + fputs (plot_stream, "unset view;\n"); + endif + + if (bg_is_set) + fputs (plot_stream, "unset obj 1;\n"); + bg_is_set = false; + endif + + fflush (plot_stream); + +endfunction + +function x = flip (x) + if (rows (x) == 1) + x = fliplr (x); + elseif (columns (x) == 1 || ischar (x)) + x = flipud (x); + else + x = flipud (fliplr (x)); + endif +endfunction + +function spacing_spec = create_spacingspec (f, s, gp_term) + ## The gnuplot default font size is 10, and default spacing is 1.25. + ## gnuplot has a concept of a figure global font, and sizes everything + ## appropriate to that, including the legend spacing. + ## + ## This means that if an alternative size is used, gnuplot will use an + ## inappropriate spacing in the legend by default. + ## + ## FIXME: Are fractional spacing specifications allowed? Or should this + ## number be rounded? + spc = s / 10 * 1.25; + spacing_spec = sprintf ("spacing %d", spc); + +endfunction + +function fontspec = create_fontspec (f, s, gp_term) + if (strcmp (f, "*") || strcmp (gp_term, "tikz")) + fontspec = sprintf ("font \",%d\"", s); + else + fontspec = sprintf ("font \"%s,%d\"", f, s); + endif +endfunction + +function style = do_linestyle_command (obj, linecolor, idx, mono, + plot_stream, errbars = "") + style = {}; + + fprintf (plot_stream, "set style line %d default;\n", idx); + fprintf (plot_stream, "set style line %d", idx); + + found_style = false; + if (isnumeric (linecolor)) + color = linecolor; + if (! mono) + fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", + round (255*color)); + endif + else + color = [0, 0, 0]; + endif + + if (isfield (obj, "linestyle")) + switch (obj.linestyle) + case "-" + lt = "1"; + case "--" + lt = "2"; + case ":" + lt = "3"; + case "-." + lt = "6"; + case "none" + lt = ""; + otherwise + lt = ""; + endswitch + + if (! isempty (lt)) + fprintf (plot_stream, " linetype %s", lt); + endif + + else + lt = ""; + endif + if (! isempty (errbars)) + found_style = true; + endif + + if (isfield (obj, "linewidth")) + fprintf (plot_stream, " linewidth %f", obj.linewidth); + found_style = true; + endif + + [pt, pt2, obj] = gnuplot_pointtype (obj); + + if (! isempty (pt)) + found_style = true; + endif + + sidx = 1; + if (isempty (errbars)) + if (isempty (lt)) + style{sidx} = ""; + else + style{sidx} = "lines"; + endif + + facesame = true; + if (! isequal (pt, pt2) && isfield (obj, "markerfacecolor") + && ! strcmp (obj.markerfacecolor, "none")) + if (strcmp (obj.markerfacecolor, "auto") + || ! isnumeric (obj.markerfacecolor) + || (isnumeric (obj.markerfacecolor) + && isequal (color, obj.markerfacecolor))) + if (! isempty (pt2)) + fprintf (plot_stream, " pointtype %s", pt2); + style{sidx} = strcat (style{sidx}, "points"); + endif + if (isfield (obj, "markersize")) + fprintf (plot_stream, " pointsize %f", obj.markersize / 3); + endif + else + facesame = false; + if (! found_style) + fputs (plot_stream, " default"); + endif + fputs (plot_stream, ";\n"); + if (! isempty (style{sidx})) + sidx ++; + idx ++; + else + fputs (plot_stream, ";\n"); + endif + fprintf (plot_stream, "set style line %d default;\n", idx); + fprintf (plot_stream, "set style line %d", idx); + if (isnumeric (obj.markerfacecolor) && ! mono) + fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", + round (255*obj.markerfacecolor)); + endif + if (! isempty (pt2)) + style{sidx} = "points"; + fprintf (plot_stream, " pointtype %s", pt2); + endif + if (isfield (obj, "markersize")) + fprintf (plot_stream, " pointsize %f", obj.markersize / 3); + endif + endif + endif + if (isfield (obj, "markeredgecolor") + && ! strcmp (obj.markeredgecolor, "none")) + if (facesame && ! isempty (pt) + && (strcmp (obj.markeredgecolor, "auto") + || ! isnumeric (obj.markeredgecolor) + || (isnumeric (obj.markeredgecolor) + && isequal (color, obj.markeredgecolor)))) + if (sidx == 1 && ((length (style{sidx}) == 5 + && strncmp (style{sidx}, "lines", 5)) || isempty (style{sidx}))) + if (! isempty (pt)) + style{sidx} = strcat (style{sidx}, "points"); + fprintf (plot_stream, " pointtype %s", pt); + endif + if (isfield (obj, "markersize")) + fprintf (plot_stream, " pointsize %f", obj.markersize / 3); + endif + endif + else + if (! found_style) + fputs (plot_stream, " default"); + endif + fputs (plot_stream, ";\n"); + if (! isempty (style{sidx})) + sidx ++; + idx ++; + else + fputs (plot_stream, ";\n"); + endif + fprintf (plot_stream, "set style line %d default;\n", idx); + fprintf (plot_stream, "set style line %d", idx); + if (! mono) + if (strcmp (obj.markeredgecolor, "auto")) + fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", + round (255*color)); + elseif (isnumeric (obj.markeredgecolor) && ! mono) + fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", + round (255*obj.markeredgecolor)); + endif + endif + if (! isempty (pt)) + style{sidx} = "points"; + fprintf (plot_stream, " pointtype %s", pt); + endif + if (isfield (obj, "markersize")) + fprintf (plot_stream, " pointsize %f", obj.markersize / 3); + endif + endif + endif + else + style{1} = errbars; + fputs (plot_stream, " pointtype 0"); + endif + + if (! found_style && isempty (style{1})) + fputs (plot_stream, " default"); + endif + + fputs (plot_stream, ";\n"); + +endfunction + +function [pt, pt2, obj] = gnuplot_pointtype (obj) + if (isfield (obj, "marker")) + switch (obj.marker) + case "+" + pt = pt2 = "1"; + case "o" + pt = "6"; + pt2 = "7"; + case "*" + pt = pt2 = "3"; + case "." + pt = "6"; + pt2 = "7"; + if (isfield (obj, "markerfacecolor") + || strcmp (obj.markerfacecolor, "none")) + obj.markerfacecolor = "auto"; + endif + if (isfield (obj, "markersize")) + obj.markersize /= 3; + else + obj.markersize = 5; + endif + case "x" + pt = pt2 = "2"; + case {"square", "s"} + pt = "4"; + pt2 = "5"; + case {"diamond", "d"} + pt = "12"; + pt2 = "13"; + case "^" + pt = "8"; + pt2 = "9"; + case "v" + pt = "10"; + pt2 = "11"; + case ">" + ## FIXME: Should be triangle pointing right, use triangle pointing up + pt = "8"; + pt2 = "9"; + case "<" + ## FIXME: Should be triangle pointing left, use triangle pointing down + pt = "10"; + pt2 = "11"; + case {"pentagram", "p"} + ## FIXME: Should be pentagram, using pentagon + pt = "14"; + pt2 = "15"; + case {"hexagram", "h"} + ## FIXME: Should be 6 pt start, using "*" instead + pt = pt2 = "3"; + case "none" + pt = pt2 = ""; + otherwise + pt = pt2 = ""; + endswitch + else + pt = pt2 = ""; + endif +endfunction + +function __gnuplot_write_data__ (plot_stream, data, nd, parametric, cdata) + + ## DATA is already transposed. + + ## FIXME: this may need to be converted to C++ for speed. + + ## Convert NA elements to normal NaN values because fprintf writes + ## "NA" and that confuses gnuplot. + idx = find (isna (data)); + if (any (idx)) + data(idx) = NaN; + endif + + if (nd == 2) + fwrite (plot_stream, data, "float64"); + elseif (nd == 3) + if (parametric) + fwrite (plot_stream, data, "float64"); + else + nr = rows (data); + if (cdata) + for j = 1:4:nr + fwrite (plot_stream, data(j:j+3,:), "float64"); + endfor + else + for j = 1:3:nr + fwrite (plot_stream, data(j:j+2,:), "float64"); + endfor + endif + endif + endif + +endfunction + +function do_tics (obj, plot_stream, ymirror, mono, gnuplot_term) + + obj.xticklabel = ticklabel_to_cell (obj.xticklabel); + obj.yticklabel = ticklabel_to_cell (obj.yticklabel); + obj.zticklabel = ticklabel_to_cell (obj.zticklabel); + + if (strcmp (obj.xminorgrid, "on")) + obj.xminortick = "on"; + endif + if (strcmp (obj.yminorgrid, "on")) + obj.yminortick = "on"; + endif + if (strcmp (obj.zminorgrid, "on")) + obj.zminortick = "on"; + endif + + [fontname, fontsize] = get_fontname_and_size (obj); + fontspec = create_fontspec (fontname, fontsize, gnuplot_term); + + ## A Gnuplot tic scale of 69 is equivalent to Octave's 0.5. + ticklength = sprintf ("scale %4.1f", (69/0.5)*obj.ticklength(1)); + + if (strcmpi (obj.xaxislocation, "top")) + do_tics_1 (obj.xtickmode, obj.xtick, obj.xminortick, obj.xticklabelmode, + obj.xticklabel, obj.xcolor, "x2", plot_stream, true, mono, + "border", obj.tickdir, ticklength, fontname, fontspec, + obj.ticklabelinterpreter, obj.xscale, obj.xsgn, gnuplot_term); + do_tics_1 ("manual", [], "off", obj.xticklabelmode, obj.xticklabel, + obj.xcolor, "x", plot_stream, true, mono, "border", + "", "", fontname, fontspec, obj.ticklabelinterpreter, + obj.xscale, obj.xsgn, gnuplot_term); + elseif (strcmpi (obj.xaxislocation, "zero")) + do_tics_1 (obj.xtickmode, obj.xtick, obj.xminortick, obj.xticklabelmode, + obj.xticklabel, obj.xcolor, "x", plot_stream, true, mono, + "axis", obj.tickdir, ticklength, fontname, fontspec, + obj.ticklabelinterpreter, obj.xscale, obj.xsgn, gnuplot_term); + do_tics_1 ("manual", [], "off", obj.xticklabelmode, obj.xticklabel, + obj.xcolor, "x2", plot_stream, true, mono, "axis", + "", "", fontname, fontspec, obj.ticklabelinterpreter, + obj.xscale, obj.xsgn, gnuplot_term); + else + do_tics_1 (obj.xtickmode, obj.xtick, obj.xminortick, obj.xticklabelmode, + obj.xticklabel, obj.xcolor, "x", plot_stream, true, mono, + "border", obj.tickdir, ticklength, fontname, fontspec, + obj.ticklabelinterpreter, obj.xscale, obj.xsgn, gnuplot_term); + do_tics_1 ("manual", [], "off", obj.xticklabelmode, obj.xticklabel, + obj.xcolor, "x2", plot_stream, true, mono, "border", + "", "", fontname, fontspec, obj.ticklabelinterpreter, + obj.xscale, obj.xsgn, gnuplot_term); + endif + if (strcmpi (obj.yaxislocation, "right")) + do_tics_1 (obj.ytickmode, obj.ytick, obj.yminortick, obj.yticklabelmode, + obj.yticklabel, obj.ycolor, "y2", plot_stream, ymirror, mono, + "border", obj.tickdir, ticklength, fontname, fontspec, + obj.ticklabelinterpreter, obj.yscale, obj.ysgn, gnuplot_term); + do_tics_1 ("manual", [], "off", obj.yticklabelmode, obj.yticklabel, + obj.ycolor, "y", plot_stream, ymirror, mono, "border", + "", "", fontname, fontspec, obj.ticklabelinterpreter, + obj.yscale, obj.ysgn, gnuplot_term); + elseif (strcmpi (obj.yaxislocation, "zero")) + do_tics_1 (obj.ytickmode, obj.ytick, obj.yminortick, obj.yticklabelmode, + obj.yticklabel, obj.ycolor, "y", plot_stream, ymirror, mono, + "axis", obj.tickdir, ticklength, fontname, fontspec, + obj.ticklabelinterpreter, obj.yscale, obj.ysgn, gnuplot_term); + do_tics_1 ("manual", [], "off", obj.yticklabelmode, obj.yticklabel, + obj.ycolor, "y2", plot_stream, ymirror, mono, "axis", + "", "", fontname, fontspec, obj.ticklabelinterpreter, + obj.yscale, obj.ysgn, gnuplot_term); + else + do_tics_1 (obj.ytickmode, obj.ytick, obj.yminortick, obj.yticklabelmode, + obj.yticklabel, obj.ycolor, "y", plot_stream, ymirror, mono, + "border", obj.tickdir, ticklength, fontname, fontspec, + obj.ticklabelinterpreter, obj.yscale, obj.ysgn, gnuplot_term); + do_tics_1 ("manual", [], "off", obj.yticklabelmode, obj.yticklabel, + obj.ycolor, "y2", plot_stream, ymirror, mono, "border", + "", "", fontname, fontspec, obj.ticklabelinterpreter, + obj.yscale, obj.ysgn, gnuplot_term); + endif + do_tics_1 (obj.ztickmode, obj.ztick, obj.zminortick, obj.zticklabelmode, + obj.zticklabel, obj.zcolor, "z", plot_stream, true, mono, + "border", obj.tickdir, ticklength, fontname, fontspec, + obj.ticklabelinterpreter, obj.zscale, obj.zsgn, gnuplot_term); +endfunction + +function do_tics_1 (ticmode, tics, mtics, labelmode, labels, color, ax, + plot_stream, mirror, mono, axispos, tickdir, ticklength, + fontname, fontspec, interpreter, scale, sgn, gnuplot_term) + persistent warned_latex = false; + + ## Avoid emitting anything if the tics are empty, because this undoes the + ## effect of the previous unset xtics and thereby adds back in the tics. + if (isempty (tics)) + return; + endif + + if (mirror) + mirror = "mirror"; + else + mirror = "nomirror"; + endif + if (strcmpi (interpreter, "tex")) + for n = 1 : numel (labels) + labels{n} = __tex2enhanced__ (labels{n}, fontname, false, false); + endfor + elseif (strcmpi (interpreter, "latex")) + if (! warned_latex) + warning ("latex markup not supported for tick marks"); + warned_latex = true; + endif + endif + if (strcmp (scale, "log")) + num_mtics = 10; + if (any (strcmp (gnuplot_term, {"tikz", "pstex", "pslatex", "epslatex"}))) + fmt = "$10^{%T}$"; + else + fmt = "10^{%T}"; + endif + if (sgn < 0) + fmt = strcat ("-", fmt); + endif + else + fmt = "%g"; + num_mtics = 5; + endif + colorspec = get_text_colorspec (color, mono); + fprintf (plot_stream, "set format %s \"%s\";\n", ax, fmt); + if (strcmpi (ticmode, "manual")) + if (isempty (tics)) + fprintf (plot_stream, "unset %stics;\nunset m%stics;\n", ax, ax); + return + endif + fprintf (plot_stream, "set %stics %s %s %s %s (", ax, tickdir, + ticklength, axispos, mirror); + fprintf (plot_stream, " %.15e,", tics(1:end-1)); + fprintf (plot_stream, " %.15e) %s;\n", tics(end), fontspec); + else + fprintf (plot_stream, "set %stics %s %s %s %s %s %s;\n", ax, + tickdir, ticklength, axispos, mirror, colorspec, fontspec); + endif + if (strcmpi (labelmode, "manual")) + k = 1; + ntics = numel (tics); + nlabels = numel (labels); + fprintf (plot_stream, "set %stics add %s %s %s %s (", ax, + tickdir, ticklength, axispos, mirror); + labels = strrep (labels, "%", "%%"); + for i = 1:ntics + fprintf (plot_stream, " \"%s\" %.15g", labels{k++}, tics(i)); + if (i < ntics) + fputs (plot_stream, ", "); + endif + if (k > nlabels) + k = 1; + endif + endfor + fprintf (plot_stream, ") %s %s;\n", colorspec, fontspec); + endif + if (strcmp (mtics, "on")) + fprintf (plot_stream, "set m%stics %d;\n", ax, num_mtics); + else + fprintf (plot_stream, "unset m%stics;\n", ax); + endif +endfunction + +function ticklabel = ticklabel_to_cell (ticklabel) + if (ischar (ticklabel)) + ticklabel = cellstr (ticklabel); + elseif (iscellstr (ticklabel)) + ticklabel = ticklabel; + else + error ("__gnuplot_draw_axes__: unsupported type of ticklabel"); + endif +endfunction + +function colorspec = get_text_colorspec (color, mono) + if (mono) + colorspec = ""; + else + colorspec = sprintf ("textcolor rgb \"#%02x%02x%02x\"", + round (255*color)); + endif +endfunction + +function [f, s, fnt, it, bld] = get_fontname_and_size (t) + if (isempty (t.fontname) || strcmp (t.fontname, "*")) + fnt = "{}"; + else + fnt = t.fontname; + endif + f = fnt; + it = false; + bld = false; + if (! isempty (t.fontweight) && strcmpi (t.fontweight, "bold")) + if (! isempty (t.fontangle) + && (strcmpi (t.fontangle, "italic") + || strcmpi (t.fontangle, "oblique"))) + f = [f "-bolditalic"]; + it = true; + bld = true; + else + f = [f "-bold"]; + bld = true; + endif + elseif (! isempty (t.fontangle) + && (strcmpi (t.fontangle, "italic") + || strcmpi (t.fontangle, "oblique"))) + f = [f "-italic"]; + it = true; + endif + if (isempty (t.fontsize)) + s = 10; + else + s = t.fontsize; + endif +endfunction + +function [str, f, s] = __maybe_munge_text__ (enhanced, obj, fld) + + persistent warned_latex = false; + + if (strcmp (fld, "string")) + [f, s, fnt, it, bld] = get_fontname_and_size (obj); + else + f = "Helvetica"; + s = 10; + fnt = f; + it = false; + bld = false; + endif + + ## The text object may be multiline, and may be of any class + str = getfield (obj, fld); + if (ischar (str) && rows (str) > 1) + str = cellstr (str); + elseif (isnumeric (str)) + str = cellstr (num2str (str(:))); + endif + if (iscellstr (str)) + for n = 1:numel (str) + if (isnumeric (str{n})) + str{n} = num2str (str{n}); + endif + endfor + str = sprintf ("%s\n", str{:})(1:end-1); + endif + + if (enhanced) + str = regexprep (str, '(?<!\\)@', '\@'); + endif + + if (enhanced) + if (strcmpi (obj.interpreter, "tex")) + if (iscellstr (str)) + for n = 1:numel (str) + str{n} = __tex2enhanced__ (str{n}, fnt, it, bld); + endfor + else + str = __tex2enhanced__ (str, fnt, it, bld); + endif + elseif (strcmpi (obj.interpreter, "latex")) + if (! warned_latex) + warning ("latex markup not supported for text objects"); + warned_latex = true; + endif + endif + endif +endfunction + +function str = __tex2enhanced__ (str, fnt, it, bld) + persistent sym = __setup_sym_table__ (); + persistent flds = fieldnames (sym); + + [s, e, m] = regexp (str, "\\\\([a-zA-Z]+|0)", "start", "end", "matches"); + + for i = length (s) : -1 : 1 + ## special case for "\0" and replace with empty set "{/Symbol \306}' + if (strncmp (m{i}, '\0', 2)) + str = [str(1:s(i) - 1) '{/Symbol \306}' str(s(i) + 2:end)]; + else + f = m{i}(2:end); + if (isfield (sym, f)) + g = getfield (sym, f); + ## FIXME: The symbol font doesn't seem to support bold or italic + ##if (bld) + ## if (it) + ## g = strrep (g, '/Symbol', '/Symbol-bolditalic'); + ## else + ## g = strrep (g, '/Symbol', '/Symbol-bold'); + ## endif + ##elseif (it) + ## g = strrep (g, '/Symbol', '/Symbol-italic'); + ##endif + str = [str(1:s(i) - 1) g str(e(i) + 1:end)]; + elseif (strncmp (f, "rm", 2)) + bld = false; + it = false; + str = [str(1:s(i) - 1) '/' fnt ' ' str(s(i) + 3:end)]; + elseif (strncmp (f, "it", 2) || strncmp (f, "sl", 2)) + it = true; + if (bld) + str = [str(1:s(i) - 1) '/' fnt '-bolditalic ' str(s(i) + 3:end)]; + else + str = [str(1:s(i) - 1) '/' fnt '-italic ' str(s(i) + 3:end)]; + endif + elseif (strncmp (f, "bf", 2)) + bld = true; + if (it) + str = [str(1:s(i) - 1) '/' fnt '-bolditalic ' str(s(i) + 3:end)]; + else + str = [str(1:s(i) - 1) '/' fnt '-bold ' str(s(i) + 3:end)]; + endif + elseif (strcmpi (f, "color")) + ## FIXME: Ignore \color but remove trailing {} block as well + d = strfind (str(e(i) + 1:end),'}'); + if (isempty (d)) + warning ('syntax error in \color argument'); + else + str = [str(1:s(i) - 1) str(e(i) + d + 1:end)]; + endif + elseif (strcmpi (f, "fontname")) + b1 = strfind (str(e(i) + 1:end),'{'); + b2 = strfind (str(e(i) + 1:end),'}'); + if (isempty (b1) || isempty (b2)) + warning ('syntax error in \fontname argument'); + else + str = [str(1:s(i) - 1), '/', str(e(i)+b1(1) + 1:e(i)+b2(1)-1), ... + '{}', str(e(i) + b2(1) + 1:end)]; + endif + elseif (strcmpi (f, "fontsize")) + b1 = strfind (str(e(i) + 1:end),'{'); + b2 = strfind (str(e(i) + 1:end),'}'); + if (isempty (b1) || isempty (b2)) + warning ('syntax error in \fontname argument'); + else + str = [str(1:s(i) - 1), '/=', str(e(i)+b1(1) + 1:e(i)+b2(1)-1), ... + '{}', str(e(i) + b2(1) + 1:end)]; + endif + else + ## Last desperate attempt to treat the symbol. Look for things + ## like \pix, that should be translated to the symbol Pi and x + for j = 1 : length (flds) + if (strncmp (flds{j}, f, length (flds{j}))) + g = getfield (sym, flds{j}); + ## FIXME: The symbol font doesn't seem to support bold or italic + ##if (bld) + ## if (it) + ## g = strrep (g, '/Symbol', '/Symbol-bolditalic'); + ## else + ## g = strrep (g, '/Symbol', '/Symbol-bold'); + ## endif + ##elseif (it) + ## g = strrep (g, '/Symbol', '/Symbol-italic'); + ##endif + str = [str(1:s(i) - 1) g str(s(i) + length (flds{j}) + 1:end)]; + break; + endif + endfor + endif + endif + endfor + + ## Prepend @ to things like _0^x or _{-100}^{100} for alignment. + ## But need to put the shorter of the two arguments first. + ## Careful of nested {} and unprinted characters when defining + ## shortest.. Don't have to worry about things like ^\theta as they + ## are already converted to ^{/Symbol q}. + + ## FIXME: This is a mess... Is it worth it just for a "@" character? + + [s, m] = regexp (str,'[_\^]','start','matches'); + i = 1; + p = 0; + while (i < length (s)) + if (i < length (s)) + if (str(s(i) + p + 1) == "{") + s1 = strfind (str(s(i) + p + 2:end),'{'); + si = 1; + l1 = strfind (str(s(i) + p + 1:end),'}'); + li = 1; + while (li <= length (l1) && si <= length (s1)) + if (l1(li) < s1(si)) + if (li == si) + break; + endif + li++; + else + si++; + endif + endwhile + l1 = l1(min (length (l1), si)); + if (s(i) + l1 + 1 == s(i+1)) + if (str(s(i + 1) + p + 1) == "{") + s2 = strfind (str(s(i + 1) + p + 2:end),'{'); + si = 1; + l2 = strfind (str(s(i + 1) + p + 1:end),'}'); + li = 1; + while (li <= length (l2) && si <= length (s2)) + if (l2(li) < s2(si)) + if (li == si) + break; + endif + li++; + else + si++; + endif + endwhile + l2 = l2(min (length (l2), si)); + if (length_string (str(s(i)+p+2:s(i)+p+l1-1)) <= + length_string (str(s(i+1)+p+2:s(i+1)+p+l2-1))) + ## Shortest already first! + str = [str(1:s(i)+p-1) "@" str(s(i)+p:end)]; + else + ## Have to swap sub/super-script to get shortest first. + str = [str(1:s(i)+p-1), "@", str(s(i+1)+p:s(i+1)+p+l2), ... + str(s(i)+p:s(i)+p+l1), str(s(i+1)+p+l2+1:end)]; + endif + else + ## Have to swap sub/super-script to get shortest first. + str = [str(1:s(i)+p-1), "@", str(s(i+1)+p:s(i+1)+p+1), ... + str(s(i)+p:s(i)+p+l1), str(s(i+1)+p+2:end)]; + endif + i += 2; + p ++; + else + i++; + endif + else + if (s(i+1) == s(i) + 2) + ## Shortest already first! + str = [str(1:s(i)+p-1) "@" str(s(i)+p:end)]; + p ++; + i += 2; + else + i ++; + endif + endif + else + i ++; + endif + endwhile + +endfunction + +function l = length_string (s) + l = length (s) - length (strfind (s,'{')) - length (strfind (s,'}')); + m = regexp (s, '/([\w-]+|[\w-]+=\d+)', 'matches'); + if (! isempty (m)) + l -= sum (cellfun ("length", m)); + endif +endfunction + +function sym = __setup_sym_table__ () + ## Setup the translation table for TeX to gnuplot enhanced mode. + sym.forall = '{/Symbol \042}'; + sym.exists = '{/Symbol \044}'; + sym.ni = '{/Symbol \047}'; + sym.cong = '{/Symbol \100}'; + sym.Delta = '{/Symbol D}'; + sym.Phi = '{/Symbol F}'; + sym.Gamma = '{/Symbol G}'; + sym.vartheta = '{/Symbol J}'; + sym.Lambda = '{/Symbol L}'; + sym.Pi = '{/Symbol P}'; + sym.Theta = '{/Symbol Q}'; + sym.Sigma = '{/Symbol S}'; + sym.varsigma = '{/Symbol V}'; + sym.Omega = '{/Symbol W}'; + sym.Xi = '{/Symbol X}'; + sym.Psi = '{/Symbol Y}'; + sym.perp = '{/Symbol \136}'; + sym.alpha = '{/Symbol a}'; + sym.beta = '{/Symbol b}'; + sym.chi = '{/Symbol c}'; + sym.delta = '{/Symbol d}'; + sym.epsilon = '{/Symbol e}'; + sym.phi = '{/Symbol f}'; + sym.gamma = '{/Symbol g}'; + sym.eta = '{/Symbol h}'; + sym.iota = '{/Symbol i}'; + sym.varphi = '{/Symbol j}'; # Not in OpenGL + sym.kappa = '{/Symbol k}'; + sym.lambda = '{/Symbol l}'; + sym.mu = '{/Symbol m}'; + sym.nu = '{/Symbol n}'; + sym.o = '{/Symbol o}'; + sym.pi = '{/Symbol p}'; + sym.theta = '{/Symbol q}'; + sym.rho = '{/Symbol r}'; + sym.sigma = '{/Symbol s}'; + sym.tau = '{/Symbol t}'; + sym.upsilon = '{/Symbol u}'; + sym.varpi = '{/Symbol v}'; + sym.omega = '{/Symbol w}'; + sym.xi = '{/Symbol x}'; + sym.psi = '{/Symbol y}'; + sym.zeta = '{/Symbol z}'; + sym.sim = '{/Symbol \176}'; + sym.Upsilon = '{/Symbol \241}'; + sym.prime = '{/Symbol \242}'; + sym.leq = '{/Symbol \243}'; + sym.infty = '{/Symbol \245}'; + sym.clubsuit = '{/Symbol \247}'; + sym.diamondsuit = '{/Symbol \250}'; + sym.heartsuit = '{/Symbol \251}'; + sym.spadesuit = '{/Symbol \252}'; + sym.leftrightarrow = '{/Symbol \253}'; + sym.leftarrow = '{/Symbol \254}'; + sym.uparrow = '{/Symbol \255}'; + sym.rightarrow = '{/Symbol \256}'; + sym.downarrow = '{/Symbol \257}'; + sym.circ = '{/Symbol \260}'; # degree symbol, not circ as in FLTK + sym.deg = '{/Symbol \260}'; + sym.ast = '{/Symbol *}'; + sym.pm = '{/Symbol \261}'; + sym.geq = '{/Symbol \263}'; + sym.times = '{/Symbol \264}'; + sym.propto = '{/Symbol \265}'; + sym.partial = '{/Symbol \266}'; + sym.bullet = '{/Symbol \267}'; + sym.div = '{/Symbol \270}'; + sym.neq = '{/Symbol \271}'; + sym.equiv = '{/Symbol \272}'; + sym.approx = '{/Symbol \273}'; + sym.ldots = '{/Symbol \274}'; + sym.mid = '{/Symbol \275}'; + sym.aleph = '{/Symbol \300}'; + sym.Im = '{/Symbol \301}'; + sym.Re = '{/Symbol \302}'; + sym.wp = '{/Symbol \303}'; + sym.otimes = '{/Symbol \304}'; + sym.oplus = '{/Symbol \305}'; + ## empty set, not circled slash division operator as in FLTK. + sym.oslash = '{/Symbol \306}'; + sym.cap = '{/Symbol \307}'; + sym.cup = '{/Symbol \310}'; + sym.supset = '{/Symbol \311}'; + sym.supseteq = '{/Symbol \312}'; + sym.subset = '{/Symbol \314}'; + sym.subseteq = '{/Symbol \315}'; + sym.in = '{/Symbol \316}'; + sym.notin = '{/Symbol \317}'; # Not in OpenGL + sym.angle = '{/Symbol \320}'; + sym.bigtriangledown = '{/Symbol \321}'; # Not in OpenGL + sym.langle = '{/Symbol \341}'; + sym.rangle = '{/Symbol \361}'; + sym.nabla = '{/Symbol \321}'; + sym.prod = '{/Symbol \325}'; # Not in OpenGL + sym.surd = '{/Symbol \326}'; + sym.cdot = '{/Symbol \327}'; + sym.neg = '{/Symbol \330}'; + sym.wedge = '{/Symbol \331}'; + sym.vee = '{/Symbol \332}'; + sym.Leftrightarrow = '{/Symbol \333}'; # Not in OpenGL + sym.Leftarrow = '{/Symbol \334}'; + sym.Uparrow = '{/Symbol \335}'; # Not in OpenGL + sym.Rightarrow = '{/Symbol \336}'; + sym.Downarrow = '{/Symbol \337}'; # Not in OpenGL + sym.diamond = '{/Symbol \340}'; # Not in OpenGL + sym.copyright = '{/Symbol \343}'; + sym.lfloor = '{/Symbol \353}'; + sym.lceil = '{/Symbol \351}'; + sym.rfloor = '{/Symbol \373}'; + sym.rceil = '{/Symbol \371}'; + sym.int = '{/Symbol \362}'; +endfunction + +function retval = __do_enhanced_option__ (enhanced, obj) + retval = ""; + if (enhanced) + if (strcmpi (obj.interpreter, "none")) + retval = "noenhanced"; + else + retval = "enhanced"; + endif + endif +endfunction + +function maybe_do_xtick_mirror (plot_stream, axis_obj) + if (! isempty(axis_obj.xtick)) + fprintf (plot_stream, "unset x2tics; set xtics %s nomirror\n", + axis_obj.tickdir); + endif +endfunction + +function maybe_do_x2tick_mirror (plot_stream, axis_obj) + if (! isempty(axis_obj.xtick)) + fprintf (plot_stream, "unset xtics; set x2tics %s nomirror\n", + axis_obj.tickdir); + endif +endfunction
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/scripts/plot/util/private/__gnuplot_draw_figure__.m Sun Jul 26 18:33:57 2015 -0700 @@ -0,0 +1,206 @@ +## Copyright (C) 2005-2015 John W. Eaton +## +## This file is part of Octave. +## +## Octave is free software; you can redistribute it and/or modify it +## under the terms of the GNU General Public License as published by +## the Free Software Foundation; either version 3 of the License, or (at +## your option) any later version. +## +## Octave is distributed in the hope that it will be useful, but +## WITHOUT ANY WARRANTY; without even the implied warranty of +## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +## General Public License for more details. +## +## You should have received a copy of the GNU General Public License +## along with Octave; see the file COPYING. If not, see +## <http://www.gnu.org/licenses/>. + +## -*- texinfo -*- +## @deftypefn {Function File} {} __gnuplot_draw_figure__ (@var{h}, @var{plot_stream}, @var{enhanced}, @var{mono}) +## Undocumented internal function. +## @end deftypefn + +## Author: jwe + +function __gnuplot_draw_figure__ (h, plot_stream, enhanced, mono) + + htype = get (h, "type"); + if (strcmp (htype, "figure")) + ## Get complete list of children. + kids = allchild (h); + nkids = length (kids); + + if (nkids > 0) + fputs (plot_stream, "\nreset;\n"); + fputs (plot_stream, "set autoscale keepfix;\n"); + fputs (plot_stream, "set origin 0, 0\n"); + fputs (plot_stream, "set size 1, 1\n"); + bg = get (h, "color"); + if (isnumeric (bg)) + fprintf (plot_stream, "set obj 1 rectangle from screen 0,0 to screen 1,1 behind fc rgb \"#%02x%02x%02x\" fs solid noborder\n", round (255 * bg)); + bg_is_set = true; + else + bg_is_set = false; + endif + fg_was_set = false; + + for i = nkids:-1:1 + type = get (kids(i), "type"); + switch (type) + case "axes" + if (strcmpi (get (kids (i), "tag"), "legend")) + ## This is so ugly. If there was a way of getting + ## gnuplot to give us the text extents of strings + ## then we could get rid of this mess. + lh = getfield (get (kids(i), "userdata"), "handle"); + if (isscalar (lh)) + ## We have a legend with a single parent. It'll be handled + ## below as a gnuplot key to the axis it corresponds to + continue; + else + ca = lh(1); + ## Rely upon listener to convert axes position + ## to "normalized" units. + legend_axes_units = get (kids(i), "units"); + legend_axes_position = get (kids(i), "position"); + legend_axes_outerposition = get (kids(i), "outerposition"); + legend_axes_box = get (kids(i), "box"); + legend_axes_ylim = get (kids(i), "ylim"); + orig_axes_units = get (ca, "units"); + hlgnd = get (kids(i)); + + unwind_protect + set (ca, "units", "normalized"); + set (kids(i), "units", "normalized", "box", "off", + "ylim", [-2, -1], "position", get (ca(1), "position"), + "outerposition", get (ca(1), "outerposition")); + + ## Create a new set of lines with the appropriate + ## displaynames, etc + toberm = []; + hobj = get (kids(i), "children"); + for j = numel (hobj) : -1 : 1 + if (! strcmp (get (hobj(j), "type"), "text")) + continue; + endif + displayname = get (hobj(j), "string"); + ll = []; + lm = []; + for k = numel (hobj) : -1 : 1 + if (! strcmp (get (hobj(k), "type"), "line")) + continue; + endif + if (get (hobj(j), "userdata") + != get (hobj(k), "userdata")) + continue; + endif + if (! strcmp (get (hobj(k), "linestyle"), "none")) + ll = hobj(k); + endif + if (! strcmp (get (hobj(k), "marker"), "none")) + lm = hobj(k); + endif + endfor + + if (! isempty (ll)) + if (! isempty (lm)) + toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(lm,"color"), "linestyle", get(ll,"linestyle"), "marker", get(lm,"marker"), "markeredgecolor", get(lm,"markeredgecolor"), "markerfacecolor", get(lm,"markerfacecolor"), "markersize", get (lm, "markersize"), "displayname", displayname, "parent", kids(i))]; + else + toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(ll,"color"), "linestyle", get(ll,"linestyle"), "marker", "none", "displayname", displayname, "parent", kids(i))]; + endif + elseif (! isempty (lm)) + toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(lm,"color"), "linestyle", "none", "marker", get(lm,"marker"), "markeredgecolor", get(lm,"markeredgecolor"), "markerfacecolor", get(lm,"markerfacecolor"), "markersize", get (lm, "markersize"), "displayname", displayname, "parent", kids(i))]; + endif + endfor + if (bg_is_set) + fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", round (255 * (1 - bg))); + endif + __gnuplot_draw_axes__ (kids(i), plot_stream, enhanced, mono, + bg_is_set, false, hlgnd); + unwind_protect_cleanup + ## Return axes "units" and "position" back to + ## their original values. + set (ca, "units", orig_axes_units); + set (kids(i), "units", legend_axes_units, + "box", legend_axes_box, + "ylim", legend_axes_ylim, + "position", legend_axes_position, + "outerposition", legend_axes_outerposition); + delete (toberm); + bg_is_set = false; + end_unwind_protect + endif + else + ## Rely upon listener to convert axes position + ## to "normalized" units. + orig_axes_units = get (kids(i), "units"); + orig_axes_position = get (kids(i), "position"); + unwind_protect + set (kids(i), "units", "normalized"); + fg = get (kids(i), "color"); + if (isnumeric (fg) && strcmp (get (kids(i), "visible"), "on")) + fprintf (plot_stream, "set obj 2 rectangle from graph 0,0 to graph 1,1 behind fc rgb \"#%02x%02x%02x\" fs solid noborder\n", round (255 * fg)); + fg_is_set = true; + fg_was_set = true; + elseif (fg_was_set) + fprintf (plot_stream, "unset obj 2\n"); + fg_is_set = false; + fg_was_set = false; + else + fg_is_set = false; + endif + if (bg_is_set) + fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", round (255 * (1 - bg))); + endif + ## Find if this axes has an associated legend axes and pass it + ## to __gnuplot_draw_axes__ + hlegend = []; + fkids = get (h, "children"); + for j = 1 : numel (fkids) + if (ishandle (fkids (j)) + && strcmp (get (fkids (j), "type"), "axes") + && (strcmp (get (fkids (j), "tag"), "legend"))) + udata = get (fkids (j), "userdata"); + if (isscalar (udata.handle) + && ! isempty (intersect (udata.handle, kids (i)))) + hlegend = get (fkids (j)); + break; + endif + endif + endfor + __gnuplot_draw_axes__ (kids(i), plot_stream, enhanced, mono, + bg_is_set, fg_is_set, hlegend); + unwind_protect_cleanup + ## Return axes "units" and "position" back to + ## their original values. + set (kids(i), "units", orig_axes_units); + set (kids(i), "position", orig_axes_position); + bg_is_set = false; + fg_is_set = false; + end_unwind_protect + endif + case "uimenu" + ## ignore uimenu objects + kids(i) = []; + otherwise + error ("__gnuplot_draw_figure__: unknown object class, %s", type); + endswitch + endfor + if (isempty (kids)) + fputs (plot_stream, "\nreset; clear;\n"); + fflush (plot_stream); + else + fputs (plot_stream, "\nunset multiplot;\n"); + endif + else + fputs (plot_stream, "\nreset; clear;\n"); + fflush (plot_stream); + endif + else + error ("__gnuplot_draw_figure__: expecting figure object, found '%s'", + htype); + endif + +endfunction +
--- a/scripts/plot/util/private/__go_draw_axes__.m Sun Jul 26 08:50:04 2015 -0700 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,2647 +0,0 @@ -## Copyright (C) 2005-2015 John W. Eaton -## -## This file is part of Octave. -## -## Octave is free software; you can redistribute it and/or modify it -## under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 3 of the License, or (at -## your option) any later version. -## -## Octave is distributed in the hope that it will be useful, but -## WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -## General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with Octave; see the file COPYING. If not, see -## <http://www.gnu.org/licenses/>. - -## -*- texinfo -*- -## @deftypefn {Function File} {} __go_draw_axes__ (@var{h}, @var{plot_stream}, @var{enhanced}, @var{mono}) -## Undocumented internal function. -## @end deftypefn - -## Author: jwe - -function __go_draw_axes__ (h, plot_stream, enhanced, mono, - bg_is_set, fg_is_set, hlgnd) - - showhiddenhandles = get (0, "showhiddenhandles"); - unwind_protect - set (0, "showhiddenhandles", "on"); - axis_obj = __get__ (h); - unwind_protect_cleanup - set (0, "showhiddenhandles", showhiddenhandles); - end_unwind_protect - - parent_figure_obj = get (axis_obj.parent); - gnuplot_term = __gnuplot_get_var__ (axis_obj.parent, "GPVAL_TERM"); - - ## Set to false for plotyy axes. - ymirror = true; - if (isfield (axis_obj, "__plotyy_axes__")) - if (all (ishandle (axis_obj.__plotyy_axes__))) - ymirror = false; - else - h = axis_obj.__plotyy_axes__; - h = h(ishandle (h)); - h = h(isprop (h, "__plotyy_axes__")); - rmappdata (h, "__plotyy_axes__"); - endif - endif - - nd = __calc_dimensions__ (h); - - if (strcmp (axis_obj.dataaspectratiomode, "manual") - && strcmp (axis_obj.xlimmode, "manual") - && strcmp (axis_obj.ylimmode, "manual")) - ## All can't be "manual" - axis_obj.plotboxaspectratiomode = "auto"; - endif - - if (strcmp (axis_obj.dataaspectratiomode, "manual") - && strcmp (axis_obj.xlimmode, "manual") - && strcmp (axis_obj.ylimmode, "manual") - && (nd == 2 || all (mod (axis_obj.view, 90) == 0))) - ## FIXME: adjust plotboxaspectratio to respect other - fpos = get (axis_obj.parent, "position"); - apos = axis_obj.position; - endif - - pos = __actual_axis_position__ (h); - - if (strcmpi (axis_obj.dataaspectratiomode, "manual")) - dr = axis_obj.dataaspectratio; - if (nd == 2 || all (mod (axis_obj.view, 90) == 0)) - dr = dr(1) / dr(2); - else - ## FIXME: need to properly implement 3D - dr = mean (dr(1:2)) / dr(3); - endif - else - dr = 1; - endif - - if (strcmp (axis_obj.activepositionproperty, "position")) - if (__gnuplot_has_feature__ ("screen_coordinates_for_{lrtb}margin")) - if (nd == 2 || all (mod (axis_obj.view, 90) == 0)) - x = [1, 1]; - else - ## 3D plots need to be sized down to fit in the window. - x = 1.0 ./ sqrt ([2, 2.5]); - endif - fprintf (plot_stream, "set tmargin screen %.15g;\n", - pos(2)+pos(4)/2+x(2)*pos(4)/2); - fprintf (plot_stream, "set bmargin screen %.15g;\n", - pos(2)+pos(4)/2-x(2)*pos(4)/2); - fprintf (plot_stream, "set lmargin screen %.15g;\n", - pos(1)+pos(3)/2-x(1)*pos(3)/2); - fprintf (plot_stream, "set rmargin screen %.15g;\n", - pos(1)+pos(3)/2+x(1)*pos(3)/2); - sz_str = ""; - else - fprintf (plot_stream, "set tmargin 0;\n"); - fprintf (plot_stream, "set bmargin 0;\n"); - fprintf (plot_stream, "set lmargin 0;\n"); - fprintf (plot_stream, "set rmargin 0;\n"); - - if (nd == 3 && all (axis_obj.view == [0, 90])) - ## FIXME: Kludge to allow colorbar to be added to a pcolor() plot - pos(3:4) = pos(3:4) * 1.4; - pos(1:2) = pos(1:2) - pos(3:4) * 0.125; - endif - - fprintf (plot_stream, "set origin %.15g, %.15g;\n", pos(1), pos(2)); - - if (strcmpi (axis_obj.dataaspectratiomode, "manual")) - sz_str = sprintf ("set size ratio %.15g", -dr); - else - sz_str = "set size noratio"; - endif - sz_str = sprintf ("%s %.15g, %.15g;\n", sz_str, pos(3), pos(4)); - endif - else ## activepositionproperty == outerposition - fprintf (plot_stream, "unset tmargin;\n"); - fprintf (plot_stream, "unset bmargin;\n"); - fprintf (plot_stream, "unset lmargin;\n"); - fprintf (plot_stream, "unset rmargin;\n"); - fprintf (plot_stream, "set origin %g, %g;\n", pos(1:2)); - sz_str = ""; - if (strcmpi (axis_obj.dataaspectratiomode, "manual")) - sz_str = sprintf ("ratio %g", -dr); - else - sz_str = "noratio"; - endif - sz_str = sprintf ("set size %s %g, %g;\n", sz_str, pos(3:4)); - endif - if (! isempty (sz_str)) - fputs (plot_stream, sz_str); - endif - - ## Reset all labels, axis-labels, tick-labels, and title - ## FIXME: We should have an function to initialize the axis. - ## Presently, this is dispersed in this function. - fputs (plot_stream, "unset label;\n"); - fputs (plot_stream, "unset xtics;\n"); - fputs (plot_stream, "unset ytics;\n"); - fputs (plot_stream, "unset ztics;\n"); - fputs (plot_stream, "unset x2tics;\n"); - fputs (plot_stream, "unset x2tics;\n"); - - if (! isempty (axis_obj.title)) - t = get (axis_obj.title); - if (isempty (t.string)) - fputs (plot_stream, "unset title;\n"); - else - colorspec = get_text_colorspec (t.color, mono); - [tt, f, s] = __maybe_munge_text__ (enhanced, t, "string"); - fontspec = create_fontspec (f, s, gnuplot_term); - fprintf (plot_stream, "set title \"%s\" %s %s %s;\n", - undo_string_escapes (tt), fontspec, colorspec, - __do_enhanced_option__ (enhanced, t)); - endif - endif - - if (! isempty (axis_obj.xlabel)) - t = get (axis_obj.xlabel); - angle = t.rotation; - colorspec = get_text_colorspec (t.color, mono); - if (isempty (t.string)) - fprintf (plot_stream, "unset xlabel;\n"); - fprintf (plot_stream, "unset x2label;\n"); - else - [tt, f, s] = __maybe_munge_text__ (enhanced, t, "string"); - fontspec = create_fontspec (f, s, gnuplot_term); - if (strcmpi (axis_obj.xaxislocation, "top")) - fprintf (plot_stream, "set x2label \"%s\" %s %s %s", - undo_string_escapes (tt), colorspec, fontspec, - __do_enhanced_option__ (enhanced, t)); - else - fprintf (plot_stream, "set xlabel \"%s\" %s %s %s", - undo_string_escapes (tt), colorspec, fontspec, - __do_enhanced_option__ (enhanced, t)); - endif - fprintf (plot_stream, " rotate by %f;\n", angle); - if (strcmpi (axis_obj.xaxislocation, "top")) - fprintf (plot_stream, "unset xlabel;\n"); - else - fprintf (plot_stream, "unset x2label;\n"); - endif - endif - endif - - if (! isempty (axis_obj.ylabel)) - t = get (axis_obj.ylabel); - angle = t.rotation; - colorspec = get_text_colorspec (t.color, mono); - if (isempty (t.string)) - fprintf (plot_stream, "unset ylabel;\n"); - fprintf (plot_stream, "unset y2label;\n"); - else - [tt, f, s] = __maybe_munge_text__ (enhanced, t, "string"); - fontspec = create_fontspec (f, s, gnuplot_term); - if (strcmpi (axis_obj.yaxislocation, "right")) - fprintf (plot_stream, "set y2label \"%s\" %s %s %s", - undo_string_escapes (tt), colorspec, fontspec, - __do_enhanced_option__ (enhanced, t)); - else - fprintf (plot_stream, "set ylabel \"%s\" %s %s %s", - undo_string_escapes (tt), colorspec, fontspec, - __do_enhanced_option__ (enhanced, t)); - endif - fprintf (plot_stream, " rotate by %f;\n", angle); - if (strcmpi (axis_obj.yaxislocation, "right")) - fprintf (plot_stream, "unset ylabel;\n"); - else - fprintf (plot_stream, "unset y2label;\n"); - endif - endif - endif - - if (! isempty (axis_obj.zlabel)) - t = get (axis_obj.zlabel); - angle = t.rotation; - colorspec = get_text_colorspec (t.color, mono); - if (isempty (t.string)) - fputs (plot_stream, "unset zlabel;\n"); - else - [tt, f, s] = __maybe_munge_text__ (enhanced, t, "string"); - fontspec = create_fontspec (f, s, gnuplot_term); - fprintf (plot_stream, "set zlabel \"%s\" %s %s %s", - undo_string_escapes (tt), colorspec, fontspec, - __do_enhanced_option__ (enhanced, t)); - fprintf (plot_stream, " rotate by %f;\n", angle); - endif - endif - - if (strcmpi (axis_obj.xaxislocation, "top")) - xaxisloc = "x2"; - xaxisloc_using = "x2"; - else - xaxisloc = "x"; - xaxisloc_using = "x1"; - if (strcmpi (axis_obj.xaxislocation, "zero")) - fputs (plot_stream, "set xzeroaxis;\n"); - endif - endif - if (strcmpi (axis_obj.yaxislocation, "right")) - yaxisloc = "y2"; - yaxisloc_using = "y2"; - else - yaxisloc = "y"; - yaxisloc_using = "y1"; - if (strcmpi (axis_obj.yaxislocation, "zero")) - fputs (plot_stream, "set yzeroaxis;\n"); - endif - endif - - have_grid = false; - - if (strcmpi (axis_obj.xgrid, "on")) - have_grid = true; - fprintf (plot_stream, "set grid %stics;\n", xaxisloc); - else - fprintf (plot_stream, "set grid no%stics;\n", xaxisloc); - endif - - if (strcmpi (axis_obj.ygrid, "on")) - have_grid = true; - fprintf (plot_stream, "set grid %stics;\n", yaxisloc); - else - fprintf (plot_stream, "set grid no%stics;\n", yaxisloc); - endif - - if (strcmpi (axis_obj.zgrid, "on")) - have_grid = true; - fputs (plot_stream, "set grid ztics;\n"); - else - fputs (plot_stream, "set grid noztics;\n"); - endif - - if (strcmpi (axis_obj.xminorgrid, "on")) - have_grid = true; - if (strcmp (axis_obj.xscale, "log")) - m = 10; - else - m = 5; - endif - fprintf (plot_stream, "set m%stics %d;\n", xaxisloc, m); - fprintf (plot_stream, "set grid m%stics;\n", xaxisloc); - else - fprintf (plot_stream, "set grid nom%stics;\n", xaxisloc); - endif - - if (strcmpi (axis_obj.yminorgrid, "on")) - have_grid = true; - if (strcmp (axis_obj.yscale, "log")) - m = 10; - else - m = 5; - endif - fprintf (plot_stream, "set m%stics %d;\n", yaxisloc, m); - fprintf (plot_stream, "set grid m%stics;\n", yaxisloc); - else - fprintf (plot_stream, "set grid nom%stics;\n", yaxisloc); - endif - - if (strcmpi (axis_obj.zminorgrid, "on")) - have_grid = true; - if (strcmp (axis_obj.zscale, "log")) - m = 10; - else - m = 5; - endif - fprintf (plot_stream, "set mztics %d;\n", m); - fputs (plot_stream, "set grid mztics;\n"); - else - fputs (plot_stream, "set grid nomztics;\n"); - endif - - ## The grid front/back/layerdefault option also controls the - ## appearance of tics, so it is used even if the grid is absent. - if (strcmpi (axis_obj.layer, "top")) - fputs (plot_stream, "set grid front;\n"); - fputs (plot_stream, "set border front;\n"); - else - fputs (plot_stream, "set grid layerdefault;\n"); - ## FIXME: The gnuplot help says that "layerdefault" should work - ## for set border too, but it fails for me with gnuplot 4.2.5. - ## So, use "back" instead. - fputs (plot_stream, "set border back;\n"); - endif - - fprintf (plot_stream, "set grid linewidth %f, linewidth %f;\n", - axis_obj.linewidth, axis_obj.linewidth); - - if (! have_grid) - fputs (plot_stream, "unset grid;\n"); - endif - - xlogscale = strcmpi (axis_obj.xscale, "log"); - ylogscale = strcmpi (axis_obj.yscale, "log"); - zlogscale = strcmpi (axis_obj.zscale, "log"); - - ## Detect logscale and negative lims - if (xlogscale && all (axis_obj.xlim < 0)) - axis_obj.xsgn = -1; - if (strcmp (axis_obj.xdir, "reverse")) - axis_obj.xdir = "normal"; - elseif (strcmp (axis_obj.xdir, "normal")) - axis_obj.xdir = "reverse"; - endif - axis_obj.xtick = -flip (axis_obj.xtick); - axis_obj.xticklabel = flip (axis_obj.xticklabel); - axis_obj.xlim = -flip (axis_obj.xlim); - else - axis_obj.xsgn = 1; - endif - if (ylogscale && all (axis_obj.ylim < 0)) - axis_obj.ysgn = -1; - if (strcmp (axis_obj.ydir, "reverse")) - axis_obj.ydir = "normal"; - elseif (strcmp (axis_obj.ydir, "normal")) - axis_obj.ydir = "reverse"; - endif - axis_obj.ytick = -flip (axis_obj.ytick); - axis_obj.yticklabel = flip (axis_obj.yticklabel); - axis_obj.ylim = -flip (axis_obj.ylim); - else - axis_obj.ysgn = 1; - endif - if (zlogscale && all (axis_obj.zlim < 0)) - axis_obj.zsgn = -1; - if (strcmp (axis_obj.zdir, "reverse")) - axis_obj.zdir = "normal"; - elseif (strcmp (axis_obj.zdir, "normal")) - axis_obj.zdir = "reverse"; - endif - axis_obj.ztick = -flip (axis_obj.ztick); - axis_obj.zticklabel = flip (axis_obj.zticklabel); - axis_obj.zlim = -flip (axis_obj.zlim); - else - axis_obj.zsgn = 1; - endif - - xlim = axis_obj.xlim; - ylim = axis_obj.ylim; - zlim = axis_obj.zlim; - clim = axis_obj.clim; - - do_tics (axis_obj, plot_stream, ymirror, mono, gnuplot_term); - - fputs (plot_stream, "unset logscale;\n"); - if (xlogscale) - fprintf (plot_stream, "set logscale %s;\n", xaxisloc); - endif - if (ylogscale) - fprintf (plot_stream, "set logscale %s;\n", yaxisloc); - endif - if (zlogscale) - fputs (plot_stream, "set logscale z;\n"); - endif - - xautoscale = strcmpi (axis_obj.xlimmode, "auto"); - yautoscale = strcmpi (axis_obj.ylimmode, "auto"); - zautoscale = strcmpi (axis_obj.zlimmode, "auto"); - cautoscale = strcmpi (axis_obj.climmode, "auto"); - cdatadirect = false; - truecolor = false; - - fputs (plot_stream, "set clip two;\n"); - - kids = axis_obj.children; - ## Remove the axis labels and title from the children, and - ## preserved the original order. - [jnk, k] = setdiff (kids, [axis_obj.xlabel; axis_obj.ylabel; ... - axis_obj.zlabel; axis_obj.title]); - kids = kids(sort (k)); - - if (nd == 3) - fputs (plot_stream, "set parametric;\n"); - fputs (plot_stream, "set style data lines;\n"); - fputs (plot_stream, "set surface;\n"); - fputs (plot_stream, "unset contour;\n"); - endif - - data_idx = 0; - data = cell (); - is_image_data = []; - hidden_removal = NaN; - view_map = false; - - if (! cautoscale && clim(1) == clim(2)) - clim(2)++; - endif - addedcmap = []; - - ximg_data = {}; - ximg_data_idx = 0; - - while (! isempty (kids)) - - obj = get (kids(end)); - - if (isfield (obj, "xdata")) - obj.xdata = double (obj.xdata); - endif - if (isfield (obj, "ydata")) - obj.ydata = double (obj.ydata); - endif - if (isfield (obj, "zdata")) - obj.zdata = double (obj.zdata); - endif - - if (isfield (obj, "units")) - units = obj.units; - unwind_protect - set (kids(end), "units", "data"); - obj = get (kids(end)); - unwind_protect_cleanup - set (kids(end), "units", units); - end_unwind_protect - endif - kids = kids(1:(end-1)); - - if (strcmp (obj.visible, "off")) - continue; - endif - - if (xlogscale && isfield (obj, "xdata")) - obj.xdata = axis_obj.xsgn * obj.xdata; - obj.xdata(obj.xdata<=0) = NaN; - endif - if (ylogscale && isfield (obj, "ydata")) - obj.ydata = axis_obj.ysgn * obj.ydata; - obj.ydata(obj.ydata<=0) = NaN; - endif - if (zlogscale && isfield (obj, "zdata")) - obj.zdata = axis_obj.zsgn * obj.zdata; - obj.zdata(obj.zdata<=0) = NaN; - endif - - ## Check for facecolor interpolation for surfaces. - doing_interp_color = ... - isfield (obj, "facecolor") && strcmp (obj.facecolor, "interp"); - - switch (obj.type) - case "image" - img_data = obj.cdata; - img_xdata = obj.xdata; - img_ydata = obj.ydata; - - if (ndims (img_data) == 3) - truecolor = true; - elseif (strcmpi (obj.cdatamapping, "direct")) - cdatadirect = true; - endif - data_idx++; - is_image_data(data_idx) = true; - parametric(data_idx) = false; - have_cdata(data_idx) = false; - have_3d_patch(data_idx) = false; - - if (img_xdata(2) < img_xdata(1)) - img_xdata = img_xdata(2:-1:1); - img_data = img_data(:,end:-1:1,:); - elseif (img_xdata(1) == img_xdata(2)) - img_xdata = img_xdata(1) + [0, columns(img_data)-1]; - endif - if (img_ydata(2) < img_ydata(1)) - img_ydata = img_ydata(2:-1:1); - img_data = img_data(end:-1:1,:,:); - elseif (img_ydata(1) == img_ydata(2)) - img_ydata = img_ydata(1) + [0, rows(img_data)-1]; - endif - - x_origin = min (img_xdata); - y_origin = min (img_ydata); - - [y_dim, x_dim] = size (img_data(:,:,1)); - if (x_dim > 1) - dx = abs (img_xdata(2)-img_xdata(1))/(x_dim-1); - else - x_dim = 2; - img_data = [img_data, img_data]; - dx = abs (img_xdata(2)-img_xdata(1)); - if (dx < 1) - ## Correct gnuplot string for 1-D images - dx = 0.5; - x_origin = 0.75; - endif - endif - if (y_dim > 1) - dy = abs (img_ydata(2)-img_ydata(1))/(y_dim-1); - else - y_dim = 2; - img_data = [img_data; img_data]; - dy = abs (img_ydata(2)-img_ydata(1)); - if (dy < 1) - ## Correct gnuplot string for 1-D images - dy = 0.5; - y_origin = 0.75; - endif - endif - - if (ndims (img_data) == 3) - data{data_idx} = permute (img_data, [3, 1, 2])(:); - format = "1:2:3"; - imagetype = "rgbimage"; - else - data{data_idx} = img_data(:); - format = "1"; - imagetype = "image"; - endif - - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = sprintf ("binary array=%dx%d scan=yx origin=(%.15g,%.15g) dx=%.15g dy=%.15g using %s", - x_dim, y_dim, x_origin, y_origin, dx, dy, format); - withclause{data_idx} = sprintf ("with %s;", imagetype); - - case "line" - if (strcmp (obj.linestyle, "none") - && (! isfield (obj, "marker") - || (isfield (obj, "marker") - && strcmp (obj.marker, "none")))) - continue; - endif - data_idx++; - is_image_data(data_idx) = false; - parametric(data_idx) = true; - have_cdata(data_idx) = false; - have_3d_patch(data_idx) = false; - if (isempty (obj.displayname)) - titlespec{data_idx} = "title \"\""; - else - tmp = undo_string_escapes ( - __maybe_munge_text__ (enhanced, obj, "displayname") - ); - titlespec{data_idx} = ['title "' tmp '"']; - endif - usingclause{data_idx} = sprintf ("record=%d", numel (obj.xdata)); - errbars = ""; - if (nd == 3) - xdat = obj.xdata(:); - ydat = obj.ydata(:); - if (! isempty (obj.zdata)) - zdat = obj.zdata(:); - else - zdat = zeros (size (xdat)); - endif - data{data_idx} = [xdat, ydat, zdat]'; - usingclause{data_idx} = sprintf ("record=%d using ($1):($2):($3)", - numel (xdat)); - hidden_removal = false; - ## fputs (plot_stream, "set parametric;\n"); - else - xdat = obj.xdata(:); - ydat = obj.ydata(:); - data{data_idx} = [xdat, ydat]'; - usingclause{data_idx} = ... - sprintf ("record=%d using ($1):($2) axes %s%s", - rows (xdat), xaxisloc_using, yaxisloc_using); - endif - - style = do_linestyle_command (obj, obj.color, data_idx, mono, - plot_stream, errbars); - - withclause{data_idx} = sprintf ("with %s linestyle %d", - style{1}, data_idx); - - if (length (style) > 1) - data_idx++; - is_image_data(data_idx) = is_image_data(data_idx - 1); - parametric(data_idx) = parametric(data_idx - 1); - have_cdata(data_idx) = have_cdata(data_idx - 1); - have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = usingclause{data_idx - 1}; - data{data_idx} = data{data_idx - 1}; - withclause{data_idx} = sprintf ("with %s linestyle %d", - style{2}, data_idx); - endif - if (length (style) > 2) - data_idx++; - is_image_data(data_idx) = is_image_data(data_idx - 1); - parametric(data_idx) = parametric(data_idx - 1); - have_cdata(data_idx) = have_cdata(data_idx - 1); - have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = usingclause{data_idx - 1}; - data{data_idx} = data{data_idx - 1}; - withclause{data_idx} = sprintf ("with %s linestyle %d", - style{3}, data_idx); - endif - - case "patch" - cmap = parent_figure_obj.colormap; - [nr, nc] = size (obj.xdata); - - if (! isempty (obj.cdata)) - cdat = obj.cdata; - if (strcmpi (obj.cdatamapping, "direct")) - cdatadirect = true; - endif - else - cdat = []; - endif - - data_3d_idx = NaN; - for i = 1:nc - xcol = obj.xdata(:,i); - ycol = obj.ydata(:,i); - if (nd == 3) - if (! isempty (obj.zdata)) - zcol = obj.zdata(:,i); - else - zcol = zeros (size (xcol)); - endif - endif - - if (! isnan (xcol) && ! isnan (ycol)) - ## Is the patch closed or not - if (strcmp (obj.facecolor, "none")) - hidden_removal = false; - else - - if (isnan (hidden_removal)) - hidden_removal = true; - endif - if (nd == 3) - if (numel (xcol) > 3) - error ("__go_draw_axes__: gnuplot (as of v4.2) only supports 3-D filled triangular patches"); - else - if (isnan (data_3d_idx)) - data_idx++; - data_3d_idx = data_idx; - is_image_data(data_idx) = false; - parametric(data_idx) = false; - have_cdata(data_idx) = true; - have_3d_patch(data_idx) = true; - withclause{data_3d_idx} = sprintf ("with pm3d"); - usingclause{data_3d_idx} = "using 1:2:3:4"; - data{data_3d_idx} = []; - endif - local_idx = data_3d_idx; - ccdat = NaN; - endif - else - data_idx++; - local_idx = data_idx; - is_image_data(data_idx) = false; - parametric(data_idx) = false; - have_cdata(data_idx) = false; - have_3d_patch(data_idx) = false; - endif - - if (i > 1 || isempty (obj.displayname)) - titlespec{local_idx} = "title \"\""; - else - tmp = undo_string_escapes ( - __maybe_munge_text__ (enhanced, obj, "displayname") - ); - titlespec{local_idx} = ['title "' tmp '"']; - endif - if (isfield (obj, "facecolor")) - if ((strcmp (obj.facecolor, "flat") - || strcmp (obj.facecolor, "interp")) - && isfield (obj, "cdata")) - if (ndims (obj.cdata) == 2 - && (columns (obj.cdata) == nc - && (rows (obj.cdata) == 1 - || rows (obj.cdata) == 3))) - ccol = cdat(:, i); - elseif (ndims (obj.cdata) == 2 - && (rows (obj.cdata) == nc - && (columns (obj.cdata) == 1 - || columns (obj.cdata) == 3))) - ccol = cdat(i, :); - elseif (ndims (obj.cdata) == 3) - ccol = permute (cdat (:, i, :), [1, 3, 2]); - else - ccol = cdat; - endif - if (strcmp (obj.facecolor, "flat")) - if (isequal (size (ccol), [1, 3])) - ## RGB Triplet - color = ccol; - elseif (nd == 3 && numel (xcol) == 3) - ccdat = ccol; - else - if (cdatadirect) - r = round (ccol); - else - r = 1 + round ((rows (cmap) - 1) - * (ccol - clim(1))/(clim(2) - clim(1))); - endif - r = max (1, min (r, rows (cmap))); - color = cmap(r, :); - endif - elseif (strcmp (obj.facecolor, "interp")) - if (nd == 3 && numel (xcol) == 3) - ccdat = ccol; - if (! isvector (ccdat)) - tmp = rows (cmap) + rows (addedcmap) + ... - [1 : rows(ccdat)]; - addedcmap = [addedcmap; ccdat]; - ccdat = tmp(:); - else - ccdat = ccdat(:); - endif - else - if (sum (diff (ccol))) - warning ("\"interp\" not supported, using 1st entry of cdata"); - endif - if (cdatadirect) - r = round (ccol); - else - r = 1 + round ((rows (cmap) - 1) - * (ccol - clim(1))/(clim(2) - clim(1))); - endif - r = max (1, min (r, rows (cmap))); - color = cmap(r(1),:); - endif - endif - elseif (isnumeric (obj.facecolor)) - color = obj.facecolor; - else - color = [0, 1, 0]; - endif - else - color = [0, 1, 0]; - endif - - if (nd == 3 && numel (xcol) == 3) - if (isnan (ccdat)) - ccdat = (rows (cmap) + rows (addedcmap) + 1) * ones(3, 1); - addedcmap = [addedcmap; reshape(color, 1, 3)]; - elseif (numel (ccdat) <= 1) - ccdat = zcol; - endif - data{data_3d_idx} = [data{data_3d_idx}, ... - [[xcol; xcol(end)], [ycol; ycol(end)], ... - [zcol; zcol(end)], [ccdat; ccdat(end)]]']; - else - if (mono) - colorspec = ""; - elseif (__gnuplot_has_feature__ ("transparent_patches") - && isscalar (obj.facealpha)) - colorspec = sprintf ("lc rgb \"#%02x%02x%02x\" fillstyle transparent solid %f", - round (255*color), obj.facealpha); - else - colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", - round (255*color)); - endif - - withclause{data_idx} = sprintf ("with filledcurve %s", - colorspec); - data{data_idx} = [xcol, ycol]'; - usingclause{data_idx} = sprintf ("record=%d using ($1):($2)", - numel (xcol)); - endif - endif - endif - - ## patch outline - if (!(strcmp (obj.edgecolor, "none") - && (strcmp (obj.marker, "none") - || (strcmp (obj.markeredgecolor, "none") - && strcmp (obj.markerfacecolor, "none"))))) - - data_idx++; - is_image_data(data_idx) = false; - parametric(data_idx) = false; - have_cdata(data_idx) = false; - have_3d_patch(data_idx) = false; - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = sprintf ("record=%d", numel (obj.xdata)); - - if (isfield (obj, "markersize")) - mdat = obj.markersize / 3; - endif - - if (isfield (obj, "edgecolor")) - ## FIXME: This is the wrong thing to do as edgecolor, - ## markeredgecolor and markerfacecolor can have different values - ## and we should treat them seperately. However, the code below - ## allows the scatter functions to work as expected, where only - ## one of these values is set. - if (strcmp (obj.edgecolor, "none")) - if (strcmp (obj.markeredgecolor, "none")) - ec = obj.markerfacecolor; - else - ec = obj.markeredgecolor; - endif - else - ec = obj.edgecolor; - endif - - if ((strcmp (ec, "flat") - || strcmp (ec, "interp")) - && isfield (obj, "cdata")) - if (ndims (obj.cdata) == 2 - && (columns (obj.cdata) == nc - && (rows (obj.cdata) == 1 - || rows (obj.cdata) == 3))) - ccol = cdat(:, i); - elseif (ndims (obj.cdata) == 2 - && (rows (obj.cdata) == nc - && (columns (obj.cdata) == 1 - || columns (obj.cdata) == 3))) - ccol = cdat(i, :); - elseif (ndims (obj.cdata) == 3) - ccol = permute (cdat (:, i, :), [1, 3, 2]); - else - ccol = cdat; - endif - if (strcmp (ec, "flat")) - if (numel (ccol) == 3) - color = ccol; - else - if (isscalar (ccol)) - ccol = repmat (ccol, numel (xcol), 1); - endif - color = "flat"; - have_cdata(data_idx) = true; - endif - elseif (strcmp (ec, "interp")) - if (numel (ccol) == 3) - warning ("\"interp\" not supported, using 1st entry of cdata"); - color = ccol(1,:); - else - if (isscalar (ccol)) - ccol = repmat (ccol, numel (xcol), 1); - endif - color = "interp"; - have_cdata(data_idx) = true; - endif - endif - elseif (isnumeric (ec)) - color = ec; - else - color = [0, 0, 0]; - endif - else - color = [0, 0, 0]; - endif - - if (isfield (obj, "linestyle")) - switch (obj.linestyle) - case "-" - lt = "lt 1"; - case "--" - lt = "lt 2"; - case ":" - lt = "lt 3"; - case "-." - lt = "lt 6"; - case "none" - lt = ""; - otherwise - lt = ""; - endswitch - else - lt = ""; - endif - - if (isfield (obj, "linewidth")) - lw = sprintf ("linewidth %f", obj.linewidth); - else - lw = ""; - endif - - [pt, pt2, obj] = gnuplot_pointtype (obj); - if (! isempty (pt)) - pt = sprintf ("pointtype %s", pt); - endif - if (! isempty (pt2)) - pt2 = sprintf ("pointtype %s", pt2); - endif - - if (mono) - colorspec = ""; - else - if (ischar (color)) - colorspec = "palette"; - else - colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", - round (255*color)); - endif - endif - - sidx = 1; - if (isempty (lt)) - style = ""; - else - style = "lines"; - endif - tmpwith = {}; - - facesame = true; - if (! isequal (pt, pt2) && isfield (obj, "markerfacecolor") - && ! strcmp (obj.markerfacecolor, "none")) - if (strcmp (obj.markerfacecolor, "auto") - || ! isnumeric (obj.markerfacecolor) - || (isnumeric (obj.markerfacecolor) - && isequal (color, obj.markerfacecolor))) - style = strcat (style, "points"); - if (isfield (obj, "markersize")) - if (length (mdat) == nc) - m = mdat(i); - else - m = mdat; - endif - ps = sprintf ("pointsize %f", m / 3); - else - ps = ""; - endif - - tmpwith{sidx} = sprintf ("with %s %s %s %s %s %s", - style, lw, pt2, lt, ps, - colorspec); - else - facesame = false; - if (! isempty (style)) - tmpwith{sidx} = sprintf ("with %s %s %s %s", - style, lw, lt, - colorspec); - sidx ++; - endif - if (isnumeric (obj.markerfacecolor) && ! mono) - colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", - round (255*obj.markerfacecolor)); - endif - style = "points"; - if (isfield (obj, "markersize")) - if (length (mdat) == nc) - m = mdat(i); - else - m = mdat; - endif - ps = sprintf ("pointsize %f", m / 3); - else - ps = ""; - endif - tmpwith{sidx} = sprintf ("with %s %s %s %s %s %s", - style, lw, pt2, lt, ps, - colorspec); - endif - endif - - if (isfield (obj, "markeredgecolor") - && ! strcmp (obj.markeredgecolor, "none")) - if (facesame && ! isempty (pt) - && (strcmp (obj.markeredgecolor, "auto") - || ! isnumeric (obj.markeredgecolor) - || (isnumeric (obj.markeredgecolor) - && isequal (color, obj.markeredgecolor)))) - if (sidx == 1 && ((length (style) == 5 - && strncmp (style, "lines", 5)) - || isempty (style))) - style = strcat (style, "points"); - if (isfield (obj, "markersize")) - if (length (mdat) == nc) - m = mdat(i); - else - m = mdat; - endif - ps = sprintf ("pointsize %f", m / 3); - else - ps = ""; - endif - tmpwith{sidx} = sprintf ("with %s %s %s %s %s %s", - style, lw, pt, lt, ps, - colorspec); - endif - else - if (! isempty (style)) - if (length (tmpwith) < sidx || isempty (tmpwith{sidx})) - tmpwith{sidx} = sprintf ("with %s %s %s %s", - style, lw, lt, - colorspec); - endif - sidx ++; - endif - - if (! isempty (pt)) - if (! mono) - if (strcmp (obj.markeredgecolor, "auto")) - colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", - round (255*color)); - elseif (isnumeric (obj.markeredgecolor) && ! mono) - colorspec = sprintf ("lc rgb \"#%02x%02x%02x\"", - round (255*obj.markeredgecolor)); - endif - endif - style = "points"; - if (isfield (obj, "markersize")) - if (length (mdat) == nc) - m = mdat(i); - else - m = mdat; - endif - ps = sprintf ("pointsize %f", m / 3); - else - ps = ""; - endif - tmpwith{sidx} = sprintf ("with %s %s %s %s %s %s", - style, lw, pt, lt, ps, - colorspec); - endif - endif - endif - - if (isempty (tmpwith)) - withclause{data_idx} = sprintf ("with %s %s %s %s %s", - style, lw, pt, lt, - colorspec); - else - withclause{data_idx} = tmpwith{1}; - endif - if (nd == 3) - if (ischar (color)) - if (! isnan (xcol) && ! isnan (ycol) && ! isnan (zcol)) - data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)], ... - [zcol; zcol(1)], [ccol; ccol(1)]]'; - else - data{data_idx} = [xcol, ycol, zcol, ccol]'; - endif - usingclause{data_idx} = sprintf ("record=%d using ($1):($2):($3):($4)", columns (data{data_idx})); - else - if (! isnan (xcol) && ! isnan (ycol) && ! isnan (zcol)) - data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)], ... - [zcol; zcol(1)]]'; - else - data{data_idx} = [xcol, ycol, zcol]'; - endif - usingclause{data_idx} = sprintf ("record=%d using ($1):($2):($3)", columns (data{data_idx})); - endif - else - if (ischar (color)) - if (! isnan (xcol) && ! isnan (ycol)) - data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)], ... - [ccol; ccol(1)]]'; - else - data{data_idx} = [xcol, ycol, ccol]'; - endif - usingclause{data_idx} = sprintf ("record=%d using ($1):($2):($3)", columns (data{data_idx})); - else - if (! isnan (xcol) && ! isnan (ycol)) - data{data_idx} = [[xcol; xcol(1)], [ycol; ycol(1)]]'; - else - data{data_idx} = [xcol, ycol]'; - endif - usingclause{data_idx} = sprintf ("record=%d using ($1):($2)", columns (data{data_idx})); - endif - endif - - if (length (tmpwith) > 1) - data_idx++; - is_image_data(data_idx) = is_image_data(data_idx - 1); - parametric(data_idx) = parametric(data_idx - 1); - have_cdata(data_idx) = have_cdata(data_idx - 1); - have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = usingclause{data_idx - 1}; - data{data_idx} = data{data_idx - 1}; - withclause{data_idx} = tmpwith{2}; - endif - if (length (tmpwith) > 2) - data_idx++; - is_image_data(data_idx) = is_image_data(data_idx - 1); - parametric(data_idx) = parametric(data_idx - 1); - have_cdata(data_idx) = have_cdata(data_idx - 1); - have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = usingclause{data_idx - 1}; - data{data_idx} = data{data_idx - 1}; - withclause{data_idx} = tmpwith{3}; - endif - endif - endfor - - case "surface" - view_map = true; - if (! (strcmp (obj.edgecolor, "none") - && strcmp (obj.facecolor, "none"))) - data_idx++; - is_image_data(data_idx) = false; - parametric(data_idx) = false; - have_cdata(data_idx) = true; - have_3d_patch(data_idx) = false; - style = do_linestyle_command (obj, obj.edgecolor, - data_idx, mono, - plot_stream); - - if (isempty (obj.displayname)) - titlespec{data_idx} = "title \"\""; - else - tmp = undo_string_escapes ( - __maybe_munge_text__ (enhanced, obj, "displayname") - ); - titlespec{data_idx} = ['title "' tmp '"']; - endif - withclause{data_idx} = sprintf ("with pm3d linestyle %d", - data_idx); - withpm3d = true; - pm3didx = data_idx; - - xdat = obj.xdata; - ydat = obj.ydata; - zdat = obj.zdata; - cdat = obj.cdata; - - err = false; - if (! size_equal (zdat, cdat)) - err = true; - endif - if (isvector (xdat) && isvector (ydat) && ismatrix (zdat)) - if (rows (zdat) == length (ydat) - && columns (zdat) == length (xdat)) - [xdat, ydat] = meshgrid (xdat, ydat); - else - err = true; - endif - elseif (ismatrix (xdat) && ismatrix (ydat) && ismatrix (zdat)) - if (! size_equal (xdat, ydat, zdat)) - err = true; - endif - else - err = true; - endif - if (err) - error ("__go_draw_axes__: invalid grid data"); - endif - xlen = columns (zdat); - ylen = rows (zdat); - if (xlen == columns (xdat) && xlen == columns (ydat) - && ylen == rows (xdat) && ylen == rows (ydat)) - len = 4 * xlen; - zz = zeros (ylen, len); - k = 1; - for kk = 1:4:len - zz(:,kk) = xdat(:,k); - zz(:,kk+1) = ydat(:,k); - zz(:,kk+2) = zdat(:,k); - zz(:,kk+3) = cdat(:,k); - k++; - endfor - data{data_idx} = zz.'; - endif - - if (doing_interp_color) - interp_str = "interpolate 0, 0"; - else - ## No interpolation of facecolors. - interp_str = ""; - endif - usingclause{data_idx} = sprintf ("record=%dx%d using ($1):($2):($3):($4)", ylen, xlen); - - flat_interp_face = (strcmp (obj.facecolor, "flat") - || strcmp (obj.facecolor, "interp")); - flat_interp_edge = (strcmp (obj.edgecolor, "flat") - || strcmp (obj.edgecolor, "interp")); - - facecolor_none_or_white = (strcmp (obj.facecolor, "none") - || (isnumeric (obj.facecolor) - && all (obj.facecolor == 1))); - hidden_removal = false; - fputs (plot_stream, "set style increment default;\n"); - if (flat_interp_edge && facecolor_none_or_white) - withpm3d = false; - withclause{data_idx} = sprintf ("with %s palette", style{1}); - fputs (plot_stream, "unset pm3d\n"); - if (all (obj.facecolor == 1)) - hidden_removal = true; - endif - elseif (facecolor_none_or_white) - if (all (obj.facecolor == 1)) - hidden_removal = true; - endif - fputs (plot_stream,"unset pm3d;\n"); - fputs (plot_stream,"set style increment user;\n"); - withpm3d = false; - withclause{data_idx} = sprintf ("with %s linestyle %d", - style{1}, data_idx); - fputs (plot_stream, "unset pm3d\n"); - endif - - if (doing_interp_color) - ## "depthorder" interferes with interpolation of colors. - dord = "scansautomatic"; - else - dord = "depthorder"; - endif - - if (flat_interp_face && strcmp (obj.edgecolor, "flat")) - fprintf (plot_stream, - "set pm3d explicit at s %s %s corners2color c3;\n", - interp_str, dord); - elseif (! facecolor_none_or_white) - if (strcmp (obj.edgecolor, "none")) - if (__gnuplot_has_feature__ ("transparent_surface") - && isscalar (obj.facealpha)) - fprintf (plot_stream, - "set style fill transparent solid %f;\n", - obj.facealpha); - endif - fprintf (plot_stream, - "set pm3d explicit at s %s corners2color c3;\n", - interp_str, dord); - else - fprintf (plot_stream, - "set pm3d explicit at s hidden3d %d %s %s corners2color c3;\n", - data_idx, interp_str, dord); - - if (__gnuplot_has_feature__ ("transparent_surface") - && isscalar (obj.facealpha)) - fprintf (plot_stream, - "set style fill transparent solid %f;\n", - obj.facealpha); - endif - endif - endif - - zz = []; - if (length (style) > 1) - len = 3 * xlen; - zz = zeros (ylen, len); - k = 1; - for kk = 1:3:len - zz(:,kk) = xdat(:,k); - zz(:,kk+1) = ydat(:,k); - zz(:,kk+2) = zdat(:,k); - k++; - endfor - zz = zz.'; - - data_idx++; - is_image_data(data_idx) = is_image_data(data_idx - 1); - parametric(data_idx) = parametric(data_idx - 1); - have_cdata(data_idx) = false; - have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = sprintf ("record=%dx%d using ($1):($2):($3)", ylen, xlen); - data{data_idx} = zz; - withclause{data_idx} = sprintf ("with %s linestyle %d", - style{2}, data_idx); - - endif - if (length (style) > 2) - data_idx++; - is_image_data(data_idx) = is_image_data(data_idx - 1); - parametric(data_idx) = parametric(data_idx - 1); - have_cdata(data_idx) = false; - have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = sprintf ("record=%dx%d using ($1):($2):($3)", ylen, xlen); - data{data_idx} = zz; - withclause{data_idx} = sprintf ("with %s linestyle %d", - style{3}, data_idx); - endif - if (withpm3d && strcmp (style{1}, "linespoints")) - if (isempty (zz)) - len = 3 * xlen; - zz = zeros (ylen, len); - k = 1; - for kk = 1:3:len - zz(:,kk) = xdat(:,k); - zz(:,kk+1) = ydat(:,k); - zz(:,kk+2) = zdat(:,k); - k++; - endfor - zz = zz.'; - endif - data_idx++; - is_image_data(data_idx) = is_image_data(data_idx - 1); - parametric(data_idx) = parametric(data_idx - 1); - have_cdata(data_idx) = false; - have_3d_patch(data_idx) = have_3d_patch(data_idx - 1); - titlespec{data_idx} = "title \"\""; - usingclause{data_idx} = sprintf ("record=%dx%d using ($1):($2):($3)", ylen, xlen); - data{data_idx} = zz; - withclause{data_idx} = sprintf ("with points linestyle %d", - pm3didx); - endif - endif - - case "text" - [label, f, s] = __maybe_munge_text__ (enhanced, obj, "string"); - fontspec = create_fontspec (f, s, gnuplot_term); - lpos = obj.position; - halign = obj.horizontalalignment; - valign = obj.verticalalignment; - angle = obj.rotation; - units = obj.units; - color = obj.color; - if (strcmpi (units, "normalized")) - units = "graph"; - elseif (strcmp (axis_obj.yaxislocation, "right") - && strcmp (units, "data")) - units = "second"; - else - units = ""; - endif - - if (isnumeric (color)) - colorspec = get_text_colorspec (color, mono); - endif - - if (ischar (obj.string)) - num_lines = rows (obj.string); - num_lines += numel (strfind (obj.string, "\n")); - else - num_lines = numel (obj.string); - endif - switch (valign) - ## Text offset in characters. Relies on gnuplot for font metrics. - case "top" - dy = -0.5; - case "cap" - dy = -0.5; - case "middle" - dy = 0.5 * (num_lines - 1); - case "baseline" - dy = 0.5 + (num_lines - 1); - case "bottom" - dy = 0.5 + (num_lines - 1); - endswitch - ## Gnuplot's Character units are different for x/y and vary with - ## fontsize. The aspect ratio of 1:1.7 was determined by experiment - ## to work for eps/ps/etc. For the MacOS aqua terminal a value of 2.5 - ## is needed. However, the difference is barely noticable. - dx_and_dy = [(-dy * sind (angle)), (dy * cosd (angle))] .* [1.7 1]; - - ## FIXME: Multiline text produced the gnuplot - ## "warning: ft_render: skipping glyph" - if (nd == 3) - ## This produces the desired vertical alignment in 3D. - fprintf (plot_stream, - "set label \"%s\" at %s %.15e,%.15e,%.15e %s rotate by %f offset character %f,%f %s %s front %s;\n", - undo_string_escapes (label), units, lpos(1), - lpos(2), lpos(3), halign, angle, dx_and_dy, fontspec, - __do_enhanced_option__ (enhanced, obj), colorspec); - else - fprintf (plot_stream, - "set label \"%s\" at %s %.15e,%.15e %s rotate by %f offset character %f,%f %s %s front %s;\n", - undo_string_escapes (label), units, - lpos(1), lpos(2), halign, angle, dx_and_dy, fontspec, - __do_enhanced_option__ (enhanced, obj), colorspec); - endif - - case "hggroup" - ## Push group children into the kid list. - if (isempty (kids)) - kids = obj.children; - elseif (! isempty (obj.children)) - kids = [kids; obj.children]; - endif - - otherwise - error ("__go_draw_axes__: unknown object class, %s", - obj.type); - endswitch - - endwhile - - ## This is need to prevent warnings for rotations in 3D plots, while - ## allowing colorbars with contours. - if (nd == 2 || (data_idx > 1 && ! view_map)) - fputs (plot_stream, "set pm3d implicit;\n"); - else - fputs (plot_stream, "set pm3d explicit;\n"); - endif - - if (isnan (hidden_removal) || hidden_removal) - fputs (plot_stream, "set hidden3d;\n"); - else - fputs (plot_stream, "unset hidden3d;\n"); - endif - - have_data = (! (isempty (data) || all (cellfun ("isempty", data)))); - - ## Note we don't use the [xy]2range of gnuplot as we don't use the - ## dual axis plotting features of gnuplot. - if (isempty (xlim)) - return; - endif - if (strcmpi (axis_obj.xdir, "reverse")) - xlim = flip (xlim); - endif - - fprintf (plot_stream, "set xrange [%.15e:%.15e];\n", xlim); - if (strcmpi (axis_obj.xaxislocation, "top")) - fprintf (plot_stream, "set x2range [%.15e:%.15e];\n", xlim); - endif - - if (isempty (ylim)) - return; - endif - if (strcmpi (axis_obj.ydir, "reverse")) - ylim = flip (ylim); - endif - fprintf (plot_stream, "set yrange [%.15e:%.15e];\n", ylim); - if (strcmpi (axis_obj.yaxislocation, "right")) - fprintf (plot_stream, "set y2range [%.15e:%.15e];\n", ylim); - endif - - if (nd == 3) - if (isempty (zlim)) - return; - endif - if (strcmpi (axis_obj.zdir, "reverse")) - zlim = flip (zlim); - endif - fprintf (plot_stream, "set zrange [%.15e:%.15e];\n", zlim); - endif - - cmap = parent_figure_obj.colormap; - cmap_sz = rows (cmap); - if (! any (isinf (clim))) - if (truecolor || ! cdatadirect) - if (rows (addedcmap) > 0) - for i = 1:data_idx - if (have_3d_patch(i)) - data{i}(end,:) = clim(2) * (data{i}(end, :) - 0.5) / cmap_sz; - endif - endfor - fprintf (plot_stream, "set cbrange [%.15e:%.15e];\n", - clim(1), clim(2) * (cmap_sz + rows (addedcmap)) / cmap_sz); - else - fprintf (plot_stream, "set cbrange [%.15e:%.15e];\n", clim); - endif - else - fprintf (plot_stream, "set cbrange [1:%d];\n", cmap_sz + - rows (addedcmap)); - endif - endif - - if (strcmpi (axis_obj.box, "on")) - if (nd == 3) - fputs (plot_stream, "set border 4095;\n"); - else - fputs (plot_stream, "set border 431;\n"); - endif - else - if (nd == 3) - fputs (plot_stream, "set border 895;\n"); - elseif (! isempty (axis_obj.ytick)) - if (strcmpi (axis_obj.yaxislocation, "right")) - fprintf (plot_stream, "unset ytics; set y2tics %s nomirror\n", - axis_obj.tickdir); - if (strcmpi (axis_obj.xaxislocation, "top")) - maybe_do_x2tick_mirror (plot_stream, axis_obj) - fputs (plot_stream, "set border 12;\n"); - elseif (strcmpi (axis_obj.xaxislocation, "bottom")) - maybe_do_xtick_mirror (plot_stream, axis_obj) - fputs (plot_stream, "set border 9;\n"); - else # xaxislocation == zero - fprintf (plot_stream, "unset x2tics; set xtics %s nomirror\n", - axis_obj.tickdir); - fputs (plot_stream, "set border 8;\n"); - fprintf (plot_stream, "set xzeroaxis lt -1 lw %f;\n", - axis_obj.linewidth); - endif - elseif (strcmpi (axis_obj.yaxislocation, "left")) - fprintf (plot_stream, "unset y2tics; set ytics %s nomirror\n", - axis_obj.tickdir); - if (strcmpi (axis_obj.xaxislocation, "top")) - maybe_do_x2tick_mirror (plot_stream, axis_obj) - fputs (plot_stream, "set border 6;\n"); - elseif (strcmpi (axis_obj.xaxislocation, "bottom")) - maybe_do_xtick_mirror (plot_stream, axis_obj) - fputs (plot_stream, "set border 3;\n"); - else # xaxislocation == zero - maybe_do_xtick_mirror (plot_stream, axis_obj) - fputs (plot_stream, "set border 2;\n"); - fprintf (plot_stream, "set xzeroaxis lt -1 lw %f;\n", - axis_obj.linewidth); - endif - else # yaxislocation == zero - fprintf (plot_stream, "unset y2tics; set ytics %s nomirror\n", - axis_obj.tickdir); - if (strcmpi (axis_obj.xaxislocation, "top")) - maybe_do_x2tick_mirror (plot_stream, axis_obj) - fputs (plot_stream, "set border 4;\n"); - elseif (strcmpi (axis_obj.xaxislocation, "bottom")) - maybe_do_xtick_mirror (plot_stream, axis_obj) - fputs (plot_stream, "set border 1;\n"); - else # xaxislocation == zero - maybe_do_xtick_mirror (plot_stream, axis_obj) - fprintf (plot_stream, "unset y2tics; set ytics %s nomirror\n", - axis_obj.tickdir); - fputs (plot_stream, "unset border;\n"); - fprintf (plot_stream, "set xzeroaxis lt -1 lw %f;\n", - axis_obj.linewidth); - endif - fprintf (plot_stream, "set yzeroaxis lt -1 lw %f;\n", - axis_obj.linewidth); - endif - endif - endif - - if (strcmpi (axis_obj.visible, "off")) - fputs (plot_stream, "unset border; unset tics\n"); - else - fprintf (plot_stream, "set border lw %f;\n", axis_obj.linewidth); - endif - - if (! isempty (hlgnd) && ! isempty (hlgnd.children) - && any (strcmpi (get (hlgnd.children, "visible"), "on"))) - if (strcmpi (hlgnd.box, "on")) - box = "box"; - else - box = "nobox"; - endif - if (strcmpi (hlgnd.orientation, "vertical")) - horzvert = "vertical"; - else - horzvert = "horizontal"; - endif - if (strcmpi (hlgnd.textposition, "right")) - reverse = "reverse"; - else - reverse = "noreverse"; - endif - inout = "inside"; - keypos = hlgnd.location; - if (ischar (keypos)) - keypos = lower (keypos); - keyout = strfind (keypos, "outside"); - if (! isempty (keyout)) - inout = "outside"; - keypos = keypos(1:keyout-1); - endif - endif - switch (keypos) - case "north" - pos = "center top"; - case "south" - pos = "center bottom"; - case "east" - pos = "right center"; - case "west" - pos = "left center"; - case "northeast" - pos = "right top"; - case "northwest" - pos = "left top"; - case "southeast" - pos = "right bottom"; - case "southwest" - pos = "left bottom"; - case "best" - pos = ""; - warning ("legend: 'Best' not yet implemented for location specifier.\n"); - ## Least conflict with data in plot. - ## Least unused space outside plot. - otherwise - pos = ""; - endswitch - if (__gnuplot_has_feature__ ("key_has_font_properties")) - [fontname, fontsize] = get_fontname_and_size (hlgnd); - fontspacespec = [ create_spacingspec(fontname, fontsize, gnuplot_term),... - create_fontspec(fontname, fontsize, gnuplot_term) ]; - else - fontspacespec = ""; - endif - textcolors = get (findobj (hlgnd.children, "type", "text"), "color"); - if (iscell (textcolors)) - textcolors = cell2mat (textcolors); - textcolors = unique (textcolors, "rows"); - endif - if (rows (textcolors) > 1) - ## Gnuplot is unable to assign arbitrary colors to each text entry - ## for the key/legend. But, the text color can be set to match the - ## color of the plot object. - colorspec = "textcolor variable"; - else - colorspec = get_text_colorspec (textcolors, mono); - endif - fprintf (plot_stream, "set key %s %s;\nset key %s %s %s %s %s %s;\n", - inout, pos, box, reverse, horzvert, fontspacespec, colorspec, - __do_enhanced_option__ (enhanced, hlgnd)); - else - fputs (plot_stream, "unset key;\n"); - endif - fputs (plot_stream, "set style data lines;\n"); - - cmap = [cmap; addedcmap]; - cmap_sz += rows (addedcmap); - if (mono == false && length (cmap) > 0) - fprintf (plot_stream, - "set palette positive color model RGB maxcolors %i;\n", - cmap_sz); - fprintf (plot_stream, - "set palette file \"-\" binary record=%d using 1:2:3:4;\n", - cmap_sz); - fwrite (plot_stream, [1:cmap_sz; cmap.'], "float32"); - fwrite (plot_stream, "\n"); - endif - - fputs (plot_stream, "unset colorbox;\n"); - - if (have_data) - if (nd == 2) - plot_cmd = "plot"; - else - plot_cmd = "splot"; - rot_x = 90 - axis_obj.view(2); - rot_z = axis_obj.view(1); - while (rot_z < 0) - rot_z += 360; - endwhile - fputs (plot_stream, "set ticslevel 0;\n"); - if (view_map && rot_x == 0 && rot_z == 0) - fputs (plot_stream, "set view map;\n"); - else - fprintf (plot_stream, "set view %.15g, %.15g;\n", rot_x, rot_z); - endif - endif - if (have_3d_patch (1)) - fputs (plot_stream, "set pm3d depthorder\n"); - fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", plot_cmd, - usingclause{1}, titlespec{1}, withclause{1}); - elseif (is_image_data (1)) - if (numel (is_image_data) > 1 && is_image_data(2)) - ## Remove terminating semicolon - n = max (strfind (withclause{1}, ";")); - if (! isempty (n)) - withclause{1} = withclause{1}(1:n-1); - endif - endif - fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", plot_cmd, - usingclause{1}, titlespec{1}, withclause{1}); - else - fprintf (plot_stream, "%s \"-\" binary format='%%float64' %s %s %s \\\n", - plot_cmd, usingclause{1}, titlespec{1}, withclause{1}); - endif - for i = 2:data_idx - if (have_3d_patch (i)) - fprintf (plot_stream, ", \"-\" %s %s %s \\\n", - usingclause{i}, titlespec{i}, withclause{i}); - elseif (is_image_data (i)) - if (! is_image_data (i-1)) - fputs (plot_stream, "; "); - if (bg_is_set) - fputs (plot_stream, "unset obj 1; \\\n"); - bg_is_set = false; - endif - if (fg_is_set) - fputs (plot_stream, "unset obj 2; \\\n"); - fg_is_set = false; - endif - if (numel (is_image_data) > i && is_image_data(i+1)) - ## Remove terminating semicolon - n = max (strfind (withclause{i}, ";")); - if (! isempty (n)) - withclause{i} = withclause{i}(1:n-1); - endif - endif - fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", plot_cmd, - usingclause{i}, titlespec{i}, withclause{i}); - else - ## For consecutive images continue with the same plot command - fprintf (plot_stream, "%s \"-\" %s %s %s \\\n", ",", - usingclause{i}, titlespec{i}, withclause{i}); - endif - elseif (is_image_data (i-1)) - if (bg_is_set) - fputs (plot_stream, "unset obj 1; \\\n"); - bg_is_set = false; - endif - if (fg_is_set) - fputs (plot_stream, "unset obj 2; \\\n"); - fg_is_set = false; - endif - fprintf (plot_stream,"%s \"-\" binary format='%%float64' %s %s %s \\\n", - plot_cmd, usingclause{i}, titlespec{i}, withclause{i}); - else - fprintf (plot_stream, ", \"-\" binary format='%%float64' %s %s %s \\\n", - usingclause{i}, titlespec{i}, withclause{i}); - endif - endfor - fputs (plot_stream, ";\n"); - for i = 1:data_idx - if (have_3d_patch (i)) - ## Can't write 3d patch data as binary as can't plot more than - ## a single patch at a time and have to plot all patches together - ## so that the gnuplot depth ordering is done correctly - for j = 1 : 4 : columns (data{i}) - if (j != 1) - fputs (plot_stream, "\n\n"); - endif - fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n", data{i}(:,j).'); - fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n\n",data{i}(:,j+1).'); - fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n", data{i}(:,j+2).'); - fprintf (plot_stream, "%.15g %.15g %.15g %.15g\n", data{i}(:,j+3).'); - endfor - fputs (plot_stream, "e\n"); - elseif (is_image_data(i)) - fwrite (plot_stream, data{i}, "float32"); - else - __gnuplot_write_data__ (plot_stream, data{i}, nd, parametric(i), - have_cdata(i)); - endif - endfor - else - fputs (plot_stream, "plot \"-\";\nInf Inf\ne\n"); - endif - - ## Needed to allow mouse rotation with pcolor. - if (view_map) - fputs (plot_stream, "unset view;\n"); - endif - - if (bg_is_set) - fputs (plot_stream, "unset obj 1;\n"); - bg_is_set = false; - endif - - fflush (plot_stream); - -endfunction - -function x = flip (x) - if (rows (x) == 1) - x = fliplr (x); - elseif (columns (x) == 1 || ischar (x)) - x = flipud (x); - else - x = flipud (fliplr (x)); - endif -endfunction - -function spacing_spec = create_spacingspec (f, s, gp_term) - ## The gnuplot default font size is 10, and default spacing is 1.25. - ## gnuplot has a concept of a figure global font, and sizes everything - ## appropriate to that, including the legend spacing. - ## - ## This means that if an alternative size is used, gnuplot will use an - ## inappropriate spacing in the legend by default. - ## - ## FIXME: Are fractional spacing specifications allowed? Or should this - ## number be rounded? - spc = s / 10 * 1.25; - spacing_spec = sprintf ("spacing %d", spc); - -endfunction - -function fontspec = create_fontspec (f, s, gp_term) - if (strcmp (f, "*") || strcmp (gp_term, "tikz")) - fontspec = sprintf ("font \",%d\"", s); - else - fontspec = sprintf ("font \"%s,%d\"", f, s); - endif -endfunction - -function style = do_linestyle_command (obj, linecolor, idx, mono, - plot_stream, errbars = "") - style = {}; - - fprintf (plot_stream, "set style line %d default;\n", idx); - fprintf (plot_stream, "set style line %d", idx); - - found_style = false; - if (isnumeric (linecolor)) - color = linecolor; - if (! mono) - fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", - round (255*color)); - endif - else - color = [0, 0, 0]; - endif - - if (isfield (obj, "linestyle")) - switch (obj.linestyle) - case "-" - lt = "1"; - case "--" - lt = "2"; - case ":" - lt = "3"; - case "-." - lt = "6"; - case "none" - lt = ""; - otherwise - lt = ""; - endswitch - - if (! isempty (lt)) - fprintf (plot_stream, " linetype %s", lt); - endif - - else - lt = ""; - endif - if (! isempty (errbars)) - found_style = true; - endif - - if (isfield (obj, "linewidth")) - fprintf (plot_stream, " linewidth %f", obj.linewidth); - found_style = true; - endif - - [pt, pt2, obj] = gnuplot_pointtype (obj); - - if (! isempty (pt)) - found_style = true; - endif - - sidx = 1; - if (isempty (errbars)) - if (isempty (lt)) - style{sidx} = ""; - else - style{sidx} = "lines"; - endif - - facesame = true; - if (! isequal (pt, pt2) && isfield (obj, "markerfacecolor") - && ! strcmp (obj.markerfacecolor, "none")) - if (strcmp (obj.markerfacecolor, "auto") - || ! isnumeric (obj.markerfacecolor) - || (isnumeric (obj.markerfacecolor) - && isequal (color, obj.markerfacecolor))) - if (! isempty (pt2)) - fprintf (plot_stream, " pointtype %s", pt2); - style{sidx} = strcat (style{sidx}, "points"); - endif - if (isfield (obj, "markersize")) - fprintf (plot_stream, " pointsize %f", obj.markersize / 3); - endif - else - facesame = false; - if (! found_style) - fputs (plot_stream, " default"); - endif - fputs (plot_stream, ";\n"); - if (! isempty (style{sidx})) - sidx ++; - idx ++; - else - fputs (plot_stream, ";\n"); - endif - fprintf (plot_stream, "set style line %d default;\n", idx); - fprintf (plot_stream, "set style line %d", idx); - if (isnumeric (obj.markerfacecolor) && ! mono) - fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", - round (255*obj.markerfacecolor)); - endif - if (! isempty (pt2)) - style{sidx} = "points"; - fprintf (plot_stream, " pointtype %s", pt2); - endif - if (isfield (obj, "markersize")) - fprintf (plot_stream, " pointsize %f", obj.markersize / 3); - endif - endif - endif - if (isfield (obj, "markeredgecolor") - && ! strcmp (obj.markeredgecolor, "none")) - if (facesame && ! isempty (pt) - && (strcmp (obj.markeredgecolor, "auto") - || ! isnumeric (obj.markeredgecolor) - || (isnumeric (obj.markeredgecolor) - && isequal (color, obj.markeredgecolor)))) - if (sidx == 1 && ((length (style{sidx}) == 5 - && strncmp (style{sidx}, "lines", 5)) || isempty (style{sidx}))) - if (! isempty (pt)) - style{sidx} = strcat (style{sidx}, "points"); - fprintf (plot_stream, " pointtype %s", pt); - endif - if (isfield (obj, "markersize")) - fprintf (plot_stream, " pointsize %f", obj.markersize / 3); - endif - endif - else - if (! found_style) - fputs (plot_stream, " default"); - endif - fputs (plot_stream, ";\n"); - if (! isempty (style{sidx})) - sidx ++; - idx ++; - else - fputs (plot_stream, ";\n"); - endif - fprintf (plot_stream, "set style line %d default;\n", idx); - fprintf (plot_stream, "set style line %d", idx); - if (! mono) - if (strcmp (obj.markeredgecolor, "auto")) - fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", - round (255*color)); - elseif (isnumeric (obj.markeredgecolor) && ! mono) - fprintf (plot_stream, " linecolor rgb \"#%02x%02x%02x\"", - round (255*obj.markeredgecolor)); - endif - endif - if (! isempty (pt)) - style{sidx} = "points"; - fprintf (plot_stream, " pointtype %s", pt); - endif - if (isfield (obj, "markersize")) - fprintf (plot_stream, " pointsize %f", obj.markersize / 3); - endif - endif - endif - else - style{1} = errbars; - fputs (plot_stream, " pointtype 0"); - endif - - if (! found_style && isempty (style{1})) - fputs (plot_stream, " default"); - endif - - fputs (plot_stream, ";\n"); - -endfunction - -function [pt, pt2, obj] = gnuplot_pointtype (obj) - if (isfield (obj, "marker")) - switch (obj.marker) - case "+" - pt = pt2 = "1"; - case "o" - pt = "6"; - pt2 = "7"; - case "*" - pt = pt2 = "3"; - case "." - pt = "6"; - pt2 = "7"; - if (isfield (obj, "markerfacecolor") - || strcmp (obj.markerfacecolor, "none")) - obj.markerfacecolor = "auto"; - endif - if (isfield (obj, "markersize")) - obj.markersize /= 3; - else - obj.markersize = 5; - endif - case "x" - pt = pt2 = "2"; - case {"square", "s"} - pt = "4"; - pt2 = "5"; - case {"diamond", "d"} - pt = "12"; - pt2 = "13"; - case "^" - pt = "8"; - pt2 = "9"; - case "v" - pt = "10"; - pt2 = "11"; - case ">" - ## FIXME: Should be triangle pointing right, use triangle pointing up - pt = "8"; - pt2 = "9"; - case "<" - ## FIXME: Should be triangle pointing left, use triangle pointing down - pt = "10"; - pt2 = "11"; - case {"pentagram", "p"} - ## FIXME: Should be pentagram, using pentagon - pt = "14"; - pt2 = "15"; - case {"hexagram", "h"} - ## FIXME: Should be 6 pt start, using "*" instead - pt = pt2 = "3"; - case "none" - pt = pt2 = ""; - otherwise - pt = pt2 = ""; - endswitch - else - pt = pt2 = ""; - endif -endfunction - -function __gnuplot_write_data__ (plot_stream, data, nd, parametric, cdata) - - ## DATA is already transposed. - - ## FIXME: this may need to be converted to C++ for speed. - - ## Convert NA elements to normal NaN values because fprintf writes - ## "NA" and that confuses gnuplot. - idx = find (isna (data)); - if (any (idx)) - data(idx) = NaN; - endif - - if (nd == 2) - fwrite (plot_stream, data, "float64"); - elseif (nd == 3) - if (parametric) - fwrite (plot_stream, data, "float64"); - else - nr = rows (data); - if (cdata) - for j = 1:4:nr - fwrite (plot_stream, data(j:j+3,:), "float64"); - endfor - else - for j = 1:3:nr - fwrite (plot_stream, data(j:j+2,:), "float64"); - endfor - endif - endif - endif - -endfunction - -function do_tics (obj, plot_stream, ymirror, mono, gnuplot_term) - - obj.xticklabel = ticklabel_to_cell (obj.xticklabel); - obj.yticklabel = ticklabel_to_cell (obj.yticklabel); - obj.zticklabel = ticklabel_to_cell (obj.zticklabel); - - if (strcmp (obj.xminorgrid, "on")) - obj.xminortick = "on"; - endif - if (strcmp (obj.yminorgrid, "on")) - obj.yminortick = "on"; - endif - if (strcmp (obj.zminorgrid, "on")) - obj.zminortick = "on"; - endif - - [fontname, fontsize] = get_fontname_and_size (obj); - fontspec = create_fontspec (fontname, fontsize, gnuplot_term); - - ## A Gnuplot tic scale of 69 is equivalent to Octave's 0.5. - ticklength = sprintf ("scale %4.1f", (69/0.5)*obj.ticklength(1)); - - if (strcmpi (obj.xaxislocation, "top")) - do_tics_1 (obj.xtickmode, obj.xtick, obj.xminortick, obj.xticklabelmode, - obj.xticklabel, obj.xcolor, "x2", plot_stream, true, mono, - "border", obj.tickdir, ticklength, fontname, fontspec, - obj.ticklabelinterpreter, obj.xscale, obj.xsgn, gnuplot_term); - do_tics_1 ("manual", [], "off", obj.xticklabelmode, obj.xticklabel, - obj.xcolor, "x", plot_stream, true, mono, "border", - "", "", fontname, fontspec, obj.ticklabelinterpreter, - obj.xscale, obj.xsgn, gnuplot_term); - elseif (strcmpi (obj.xaxislocation, "zero")) - do_tics_1 (obj.xtickmode, obj.xtick, obj.xminortick, obj.xticklabelmode, - obj.xticklabel, obj.xcolor, "x", plot_stream, true, mono, - "axis", obj.tickdir, ticklength, fontname, fontspec, - obj.ticklabelinterpreter, obj.xscale, obj.xsgn, gnuplot_term); - do_tics_1 ("manual", [], "off", obj.xticklabelmode, obj.xticklabel, - obj.xcolor, "x2", plot_stream, true, mono, "axis", - "", "", fontname, fontspec, obj.ticklabelinterpreter, - obj.xscale, obj.xsgn, gnuplot_term); - else - do_tics_1 (obj.xtickmode, obj.xtick, obj.xminortick, obj.xticklabelmode, - obj.xticklabel, obj.xcolor, "x", plot_stream, true, mono, - "border", obj.tickdir, ticklength, fontname, fontspec, - obj.ticklabelinterpreter, obj.xscale, obj.xsgn, gnuplot_term); - do_tics_1 ("manual", [], "off", obj.xticklabelmode, obj.xticklabel, - obj.xcolor, "x2", plot_stream, true, mono, "border", - "", "", fontname, fontspec, obj.ticklabelinterpreter, - obj.xscale, obj.xsgn, gnuplot_term); - endif - if (strcmpi (obj.yaxislocation, "right")) - do_tics_1 (obj.ytickmode, obj.ytick, obj.yminortick, obj.yticklabelmode, - obj.yticklabel, obj.ycolor, "y2", plot_stream, ymirror, mono, - "border", obj.tickdir, ticklength, fontname, fontspec, - obj.ticklabelinterpreter, obj.yscale, obj.ysgn, gnuplot_term); - do_tics_1 ("manual", [], "off", obj.yticklabelmode, obj.yticklabel, - obj.ycolor, "y", plot_stream, ymirror, mono, "border", - "", "", fontname, fontspec, obj.ticklabelinterpreter, - obj.yscale, obj.ysgn, gnuplot_term); - elseif (strcmpi (obj.yaxislocation, "zero")) - do_tics_1 (obj.ytickmode, obj.ytick, obj.yminortick, obj.yticklabelmode, - obj.yticklabel, obj.ycolor, "y", plot_stream, ymirror, mono, - "axis", obj.tickdir, ticklength, fontname, fontspec, - obj.ticklabelinterpreter, obj.yscale, obj.ysgn, gnuplot_term); - do_tics_1 ("manual", [], "off", obj.yticklabelmode, obj.yticklabel, - obj.ycolor, "y2", plot_stream, ymirror, mono, "axis", - "", "", fontname, fontspec, obj.ticklabelinterpreter, - obj.yscale, obj.ysgn, gnuplot_term); - else - do_tics_1 (obj.ytickmode, obj.ytick, obj.yminortick, obj.yticklabelmode, - obj.yticklabel, obj.ycolor, "y", plot_stream, ymirror, mono, - "border", obj.tickdir, ticklength, fontname, fontspec, - obj.ticklabelinterpreter, obj.yscale, obj.ysgn, gnuplot_term); - do_tics_1 ("manual", [], "off", obj.yticklabelmode, obj.yticklabel, - obj.ycolor, "y2", plot_stream, ymirror, mono, "border", - "", "", fontname, fontspec, obj.ticklabelinterpreter, - obj.yscale, obj.ysgn, gnuplot_term); - endif - do_tics_1 (obj.ztickmode, obj.ztick, obj.zminortick, obj.zticklabelmode, - obj.zticklabel, obj.zcolor, "z", plot_stream, true, mono, - "border", obj.tickdir, ticklength, fontname, fontspec, - obj.ticklabelinterpreter, obj.zscale, obj.zsgn, gnuplot_term); -endfunction - -function do_tics_1 (ticmode, tics, mtics, labelmode, labels, color, ax, - plot_stream, mirror, mono, axispos, tickdir, ticklength, - fontname, fontspec, interpreter, scale, sgn, gnuplot_term) - persistent warned_latex = false; - - ## Avoid emitting anything if the tics are empty, because this undoes the - ## effect of the previous unset xtics and thereby adds back in the tics. - if (isempty (tics)) - return; - endif - - if (mirror) - mirror = "mirror"; - else - mirror = "nomirror"; - endif - if (strcmpi (interpreter, "tex")) - for n = 1 : numel (labels) - labels{n} = __tex2enhanced__ (labels{n}, fontname, false, false); - endfor - elseif (strcmpi (interpreter, "latex")) - if (! warned_latex) - warning ("latex markup not supported for tick marks"); - warned_latex = true; - endif - endif - if (strcmp (scale, "log")) - num_mtics = 10; - if (any (strcmp (gnuplot_term, {"tikz", "pstex", "pslatex", "epslatex"}))) - fmt = "$10^{%T}$"; - else - fmt = "10^{%T}"; - endif - if (sgn < 0) - fmt = strcat ("-", fmt); - endif - else - fmt = "%g"; - num_mtics = 5; - endif - colorspec = get_text_colorspec (color, mono); - fprintf (plot_stream, "set format %s \"%s\";\n", ax, fmt); - if (strcmpi (ticmode, "manual")) - if (isempty (tics)) - fprintf (plot_stream, "unset %stics;\nunset m%stics;\n", ax, ax); - return - endif - fprintf (plot_stream, "set %stics %s %s %s %s (", ax, tickdir, - ticklength, axispos, mirror); - fprintf (plot_stream, " %.15e,", tics(1:end-1)); - fprintf (plot_stream, " %.15e) %s;\n", tics(end), fontspec); - else - fprintf (plot_stream, "set %stics %s %s %s %s %s %s;\n", ax, - tickdir, ticklength, axispos, mirror, colorspec, fontspec); - endif - if (strcmpi (labelmode, "manual")) - k = 1; - ntics = numel (tics); - nlabels = numel (labels); - fprintf (plot_stream, "set %stics add %s %s %s %s (", ax, - tickdir, ticklength, axispos, mirror); - labels = strrep (labels, "%", "%%"); - for i = 1:ntics - fprintf (plot_stream, " \"%s\" %.15g", labels{k++}, tics(i)); - if (i < ntics) - fputs (plot_stream, ", "); - endif - if (k > nlabels) - k = 1; - endif - endfor - fprintf (plot_stream, ") %s %s;\n", colorspec, fontspec); - endif - if (strcmp (mtics, "on")) - fprintf (plot_stream, "set m%stics %d;\n", ax, num_mtics); - else - fprintf (plot_stream, "unset m%stics;\n", ax); - endif -endfunction - -function ticklabel = ticklabel_to_cell (ticklabel) - if (ischar (ticklabel)) - ticklabel = cellstr (ticklabel); - elseif (iscellstr (ticklabel)) - ticklabel = ticklabel; - else - error ("__go_draw_axes__: unsupported type of ticklabel"); - endif -endfunction - -function colorspec = get_text_colorspec (color, mono) - if (mono) - colorspec = ""; - else - colorspec = sprintf ("textcolor rgb \"#%02x%02x%02x\"", - round (255*color)); - endif -endfunction - -function [f, s, fnt, it, bld] = get_fontname_and_size (t) - if (isempty (t.fontname) || strcmp (t.fontname, "*")) - fnt = "{}"; - else - fnt = t.fontname; - endif - f = fnt; - it = false; - bld = false; - if (! isempty (t.fontweight) && strcmpi (t.fontweight, "bold")) - if (! isempty (t.fontangle) - && (strcmpi (t.fontangle, "italic") - || strcmpi (t.fontangle, "oblique"))) - f = [f "-bolditalic"]; - it = true; - bld = true; - else - f = [f "-bold"]; - bld = true; - endif - elseif (! isempty (t.fontangle) - && (strcmpi (t.fontangle, "italic") - || strcmpi (t.fontangle, "oblique"))) - f = [f "-italic"]; - it = true; - endif - if (isempty (t.fontsize)) - s = 10; - else - s = t.fontsize; - endif -endfunction - -function [str, f, s] = __maybe_munge_text__ (enhanced, obj, fld) - - persistent warned_latex = false; - - if (strcmp (fld, "string")) - [f, s, fnt, it, bld] = get_fontname_and_size (obj); - else - f = "Helvetica"; - s = 10; - fnt = f; - it = false; - bld = false; - endif - - ## The text object may be multiline, and may be of any class - str = getfield (obj, fld); - if (ischar (str) && rows (str) > 1) - str = cellstr (str); - elseif (isnumeric (str)) - str = cellstr (num2str (str(:))); - endif - if (iscellstr (str)) - for n = 1:numel (str) - if (isnumeric (str{n})) - str{n} = num2str (str{n}); - endif - endfor - str = sprintf ("%s\n", str{:})(1:end-1); - endif - - if (enhanced) - str = regexprep (str, '(?<!\\)@', '\@'); - endif - - if (enhanced) - if (strcmpi (obj.interpreter, "tex")) - if (iscellstr (str)) - for n = 1:numel (str) - str{n} = __tex2enhanced__ (str{n}, fnt, it, bld); - endfor - else - str = __tex2enhanced__ (str, fnt, it, bld); - endif - elseif (strcmpi (obj.interpreter, "latex")) - if (! warned_latex) - warning ("latex markup not supported for text objects"); - warned_latex = true; - endif - endif - endif -endfunction - -function str = __tex2enhanced__ (str, fnt, it, bld) - persistent sym = __setup_sym_table__ (); - persistent flds = fieldnames (sym); - - [s, e, m] = regexp (str, "\\\\([a-zA-Z]+|0)", "start", "end", "matches"); - - for i = length (s) : -1 : 1 - ## special case for "\0" and replace with empty set "{/Symbol \306}' - if (strncmp (m{i}, '\0', 2)) - str = [str(1:s(i) - 1) '{/Symbol \306}' str(s(i) + 2:end)]; - else - f = m{i}(2:end); - if (isfield (sym, f)) - g = getfield (sym, f); - ## FIXME: The symbol font doesn't seem to support bold or italic - ##if (bld) - ## if (it) - ## g = strrep (g, '/Symbol', '/Symbol-bolditalic'); - ## else - ## g = strrep (g, '/Symbol', '/Symbol-bold'); - ## endif - ##elseif (it) - ## g = strrep (g, '/Symbol', '/Symbol-italic'); - ##endif - str = [str(1:s(i) - 1) g str(e(i) + 1:end)]; - elseif (strncmp (f, "rm", 2)) - bld = false; - it = false; - str = [str(1:s(i) - 1) '/' fnt ' ' str(s(i) + 3:end)]; - elseif (strncmp (f, "it", 2) || strncmp (f, "sl", 2)) - it = true; - if (bld) - str = [str(1:s(i) - 1) '/' fnt '-bolditalic ' str(s(i) + 3:end)]; - else - str = [str(1:s(i) - 1) '/' fnt '-italic ' str(s(i) + 3:end)]; - endif - elseif (strncmp (f, "bf", 2)) - bld = true; - if (it) - str = [str(1:s(i) - 1) '/' fnt '-bolditalic ' str(s(i) + 3:end)]; - else - str = [str(1:s(i) - 1) '/' fnt '-bold ' str(s(i) + 3:end)]; - endif - elseif (strcmpi (f, "color")) - ## FIXME: Ignore \color but remove trailing {} block as well - d = strfind (str(e(i) + 1:end),'}'); - if (isempty (d)) - warning ('syntax error in \color argument'); - else - str = [str(1:s(i) - 1) str(e(i) + d + 1:end)]; - endif - elseif (strcmpi (f, "fontname")) - b1 = strfind (str(e(i) + 1:end),'{'); - b2 = strfind (str(e(i) + 1:end),'}'); - if (isempty (b1) || isempty (b2)) - warning ('syntax error in \fontname argument'); - else - str = [str(1:s(i) - 1), '/', str(e(i)+b1(1) + 1:e(i)+b2(1)-1), ... - '{}', str(e(i) + b2(1) + 1:end)]; - endif - elseif (strcmpi (f, "fontsize")) - b1 = strfind (str(e(i) + 1:end),'{'); - b2 = strfind (str(e(i) + 1:end),'}'); - if (isempty (b1) || isempty (b2)) - warning ('syntax error in \fontname argument'); - else - str = [str(1:s(i) - 1), '/=', str(e(i)+b1(1) + 1:e(i)+b2(1)-1), ... - '{}', str(e(i) + b2(1) + 1:end)]; - endif - else - ## Last desperate attempt to treat the symbol. Look for things - ## like \pix, that should be translated to the symbol Pi and x - for j = 1 : length (flds) - if (strncmp (flds{j}, f, length (flds{j}))) - g = getfield (sym, flds{j}); - ## FIXME: The symbol font doesn't seem to support bold or italic - ##if (bld) - ## if (it) - ## g = strrep (g, '/Symbol', '/Symbol-bolditalic'); - ## else - ## g = strrep (g, '/Symbol', '/Symbol-bold'); - ## endif - ##elseif (it) - ## g = strrep (g, '/Symbol', '/Symbol-italic'); - ##endif - str = [str(1:s(i) - 1) g str(s(i) + length (flds{j}) + 1:end)]; - break; - endif - endfor - endif - endif - endfor - - ## Prepend @ to things like _0^x or _{-100}^{100} for alignment. - ## But need to put the shorter of the two arguments first. - ## Careful of nested {} and unprinted characters when defining - ## shortest.. Don't have to worry about things like ^\theta as they - ## are already converted to ^{/Symbol q}. - - ## FIXME: This is a mess... Is it worth it just for a "@" character? - - [s, m] = regexp (str,'[_\^]','start','matches'); - i = 1; - p = 0; - while (i < length (s)) - if (i < length (s)) - if (str(s(i) + p + 1) == "{") - s1 = strfind (str(s(i) + p + 2:end),'{'); - si = 1; - l1 = strfind (str(s(i) + p + 1:end),'}'); - li = 1; - while (li <= length (l1) && si <= length (s1)) - if (l1(li) < s1(si)) - if (li == si) - break; - endif - li++; - else - si++; - endif - endwhile - l1 = l1(min (length (l1), si)); - if (s(i) + l1 + 1 == s(i+1)) - if (str(s(i + 1) + p + 1) == "{") - s2 = strfind (str(s(i + 1) + p + 2:end),'{'); - si = 1; - l2 = strfind (str(s(i + 1) + p + 1:end),'}'); - li = 1; - while (li <= length (l2) && si <= length (s2)) - if (l2(li) < s2(si)) - if (li == si) - break; - endif - li++; - else - si++; - endif - endwhile - l2 = l2(min (length (l2), si)); - if (length_string (str(s(i)+p+2:s(i)+p+l1-1)) <= - length_string (str(s(i+1)+p+2:s(i+1)+p+l2-1))) - ## Shortest already first! - str = [str(1:s(i)+p-1) "@" str(s(i)+p:end)]; - else - ## Have to swap sub/super-script to get shortest first. - str = [str(1:s(i)+p-1), "@", str(s(i+1)+p:s(i+1)+p+l2), ... - str(s(i)+p:s(i)+p+l1), str(s(i+1)+p+l2+1:end)]; - endif - else - ## Have to swap sub/super-script to get shortest first. - str = [str(1:s(i)+p-1), "@", str(s(i+1)+p:s(i+1)+p+1), ... - str(s(i)+p:s(i)+p+l1), str(s(i+1)+p+2:end)]; - endif - i += 2; - p ++; - else - i++; - endif - else - if (s(i+1) == s(i) + 2) - ## Shortest already first! - str = [str(1:s(i)+p-1) "@" str(s(i)+p:end)]; - p ++; - i += 2; - else - i ++; - endif - endif - else - i ++; - endif - endwhile - -endfunction - -function l = length_string (s) - l = length (s) - length (strfind (s,'{')) - length (strfind (s,'}')); - m = regexp (s, '/([\w-]+|[\w-]+=\d+)', 'matches'); - if (! isempty (m)) - l -= sum (cellfun ("length", m)); - endif -endfunction - -function sym = __setup_sym_table__ () - ## Setup the translation table for TeX to gnuplot enhanced mode. - sym.forall = '{/Symbol \042}'; - sym.exists = '{/Symbol \044}'; - sym.ni = '{/Symbol \047}'; - sym.cong = '{/Symbol \100}'; - sym.Delta = '{/Symbol D}'; - sym.Phi = '{/Symbol F}'; - sym.Gamma = '{/Symbol G}'; - sym.vartheta = '{/Symbol J}'; - sym.Lambda = '{/Symbol L}'; - sym.Pi = '{/Symbol P}'; - sym.Theta = '{/Symbol Q}'; - sym.Sigma = '{/Symbol S}'; - sym.varsigma = '{/Symbol V}'; - sym.Omega = '{/Symbol W}'; - sym.Xi = '{/Symbol X}'; - sym.Psi = '{/Symbol Y}'; - sym.perp = '{/Symbol \136}'; - sym.alpha = '{/Symbol a}'; - sym.beta = '{/Symbol b}'; - sym.chi = '{/Symbol c}'; - sym.delta = '{/Symbol d}'; - sym.epsilon = '{/Symbol e}'; - sym.phi = '{/Symbol f}'; - sym.gamma = '{/Symbol g}'; - sym.eta = '{/Symbol h}'; - sym.iota = '{/Symbol i}'; - sym.varphi = '{/Symbol j}'; # Not in OpenGL - sym.kappa = '{/Symbol k}'; - sym.lambda = '{/Symbol l}'; - sym.mu = '{/Symbol m}'; - sym.nu = '{/Symbol n}'; - sym.o = '{/Symbol o}'; - sym.pi = '{/Symbol p}'; - sym.theta = '{/Symbol q}'; - sym.rho = '{/Symbol r}'; - sym.sigma = '{/Symbol s}'; - sym.tau = '{/Symbol t}'; - sym.upsilon = '{/Symbol u}'; - sym.varpi = '{/Symbol v}'; - sym.omega = '{/Symbol w}'; - sym.xi = '{/Symbol x}'; - sym.psi = '{/Symbol y}'; - sym.zeta = '{/Symbol z}'; - sym.sim = '{/Symbol \176}'; - sym.Upsilon = '{/Symbol \241}'; - sym.prime = '{/Symbol \242}'; - sym.leq = '{/Symbol \243}'; - sym.infty = '{/Symbol \245}'; - sym.clubsuit = '{/Symbol \247}'; - sym.diamondsuit = '{/Symbol \250}'; - sym.heartsuit = '{/Symbol \251}'; - sym.spadesuit = '{/Symbol \252}'; - sym.leftrightarrow = '{/Symbol \253}'; - sym.leftarrow = '{/Symbol \254}'; - sym.uparrow = '{/Symbol \255}'; - sym.rightarrow = '{/Symbol \256}'; - sym.downarrow = '{/Symbol \257}'; - sym.circ = '{/Symbol \260}'; # degree symbol, not circ as in FLTK - sym.deg = '{/Symbol \260}'; - sym.ast = '{/Symbol *}'; - sym.pm = '{/Symbol \261}'; - sym.geq = '{/Symbol \263}'; - sym.times = '{/Symbol \264}'; - sym.propto = '{/Symbol \265}'; - sym.partial = '{/Symbol \266}'; - sym.bullet = '{/Symbol \267}'; - sym.div = '{/Symbol \270}'; - sym.neq = '{/Symbol \271}'; - sym.equiv = '{/Symbol \272}'; - sym.approx = '{/Symbol \273}'; - sym.ldots = '{/Symbol \274}'; - sym.mid = '{/Symbol \275}'; - sym.aleph = '{/Symbol \300}'; - sym.Im = '{/Symbol \301}'; - sym.Re = '{/Symbol \302}'; - sym.wp = '{/Symbol \303}'; - sym.otimes = '{/Symbol \304}'; - sym.oplus = '{/Symbol \305}'; - ## empty set, not circled slash division operator as in FLTK. - sym.oslash = '{/Symbol \306}'; - sym.cap = '{/Symbol \307}'; - sym.cup = '{/Symbol \310}'; - sym.supset = '{/Symbol \311}'; - sym.supseteq = '{/Symbol \312}'; - sym.subset = '{/Symbol \314}'; - sym.subseteq = '{/Symbol \315}'; - sym.in = '{/Symbol \316}'; - sym.notin = '{/Symbol \317}'; # Not in OpenGL - sym.angle = '{/Symbol \320}'; - sym.bigtriangledown = '{/Symbol \321}'; # Not in OpenGL - sym.langle = '{/Symbol \341}'; - sym.rangle = '{/Symbol \361}'; - sym.nabla = '{/Symbol \321}'; - sym.prod = '{/Symbol \325}'; # Not in OpenGL - sym.surd = '{/Symbol \326}'; - sym.cdot = '{/Symbol \327}'; - sym.neg = '{/Symbol \330}'; - sym.wedge = '{/Symbol \331}'; - sym.vee = '{/Symbol \332}'; - sym.Leftrightarrow = '{/Symbol \333}'; # Not in OpenGL - sym.Leftarrow = '{/Symbol \334}'; - sym.Uparrow = '{/Symbol \335}'; # Not in OpenGL - sym.Rightarrow = '{/Symbol \336}'; - sym.Downarrow = '{/Symbol \337}'; # Not in OpenGL - sym.diamond = '{/Symbol \340}'; # Not in OpenGL - sym.copyright = '{/Symbol \343}'; - sym.lfloor = '{/Symbol \353}'; - sym.lceil = '{/Symbol \351}'; - sym.rfloor = '{/Symbol \373}'; - sym.rceil = '{/Symbol \371}'; - sym.int = '{/Symbol \362}'; -endfunction - -function retval = __do_enhanced_option__ (enhanced, obj) - retval = ""; - if (enhanced) - if (strcmpi (obj.interpreter, "none")) - retval = "noenhanced"; - else - retval = "enhanced"; - endif - endif -endfunction - -function maybe_do_xtick_mirror (plot_stream, axis_obj) - if (! isempty(axis_obj.xtick)) - fprintf (plot_stream, "unset x2tics; set xtics %s nomirror\n", - axis_obj.tickdir); - endif -endfunction - -function maybe_do_x2tick_mirror (plot_stream, axis_obj) - if (! isempty(axis_obj.xtick)) - fprintf (plot_stream, "unset xtics; set x2tics %s nomirror\n", - axis_obj.tickdir); - endif -endfunction
--- a/scripts/plot/util/private/__go_draw_figure__.m Sun Jul 26 08:50:04 2015 -0700 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,206 +0,0 @@ -## Copyright (C) 2005-2015 John W. Eaton -## -## This file is part of Octave. -## -## Octave is free software; you can redistribute it and/or modify it -## under the terms of the GNU General Public License as published by -## the Free Software Foundation; either version 3 of the License, or (at -## your option) any later version. -## -## Octave is distributed in the hope that it will be useful, but -## WITHOUT ANY WARRANTY; without even the implied warranty of -## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -## General Public License for more details. -## -## You should have received a copy of the GNU General Public License -## along with Octave; see the file COPYING. If not, see -## <http://www.gnu.org/licenses/>. - -## -*- texinfo -*- -## @deftypefn {Function File} {} __go_draw_figure__ (@var{h}, @var{plot_stream}, @var{enhanced}, @var{mono}) -## Undocumented internal function. -## @end deftypefn - -## Author: jwe - -function __go_draw_figure__ (h, plot_stream, enhanced, mono) - - htype = get (h, "type"); - if (strcmp (htype, "figure")) - ## Get complete list of children. - kids = allchild (h); - nkids = length (kids); - - if (nkids > 0) - fputs (plot_stream, "\nreset;\n"); - fputs (plot_stream, "set autoscale keepfix;\n"); - fputs (plot_stream, "set origin 0, 0\n"); - fputs (plot_stream, "set size 1, 1\n"); - bg = get (h, "color"); - if (isnumeric (bg)) - fprintf (plot_stream, "set obj 1 rectangle from screen 0,0 to screen 1,1 behind fc rgb \"#%02x%02x%02x\" fs solid noborder\n", round (255 * bg)); - bg_is_set = true; - else - bg_is_set = false; - endif - fg_was_set = false; - - for i = nkids:-1:1 - type = get (kids(i), "type"); - switch (type) - case "axes" - if (strcmpi (get (kids (i), "tag"), "legend")) - ## This is so ugly. If there was a way of getting - ## gnuplot to give us the text extents of strings - ## then we could get rid of this mess. - lh = getfield (get (kids(i), "userdata"), "handle"); - if (isscalar (lh)) - ## We have a legend with a single parent. It'll be handled - ## below as a gnuplot key to the axis it corresponds to - continue; - else - ca = lh(1); - ## Rely upon listener to convert axes position - ## to "normalized" units. - legend_axes_units = get (kids(i), "units"); - legend_axes_position = get (kids(i), "position"); - legend_axes_outerposition = get (kids(i), "outerposition"); - legend_axes_box = get (kids(i), "box"); - legend_axes_ylim = get (kids(i), "ylim"); - orig_axes_units = get (ca, "units"); - hlgnd = get (kids(i)); - - unwind_protect - set (ca, "units", "normalized"); - set (kids(i), "units", "normalized", "box", "off", - "ylim", [-2, -1], "position", get (ca(1), "position"), - "outerposition", get (ca(1), "outerposition")); - - ## Create a new set of lines with the appropriate - ## displaynames, etc - toberm = []; - hobj = get (kids(i), "children"); - for j = numel (hobj) : -1 : 1 - if (! strcmp (get (hobj(j), "type"), "text")) - continue; - endif - displayname = get (hobj(j), "string"); - ll = []; - lm = []; - for k = numel (hobj) : -1 : 1 - if (! strcmp (get (hobj(k), "type"), "line")) - continue; - endif - if (get (hobj(j), "userdata") - != get (hobj(k), "userdata")) - continue; - endif - if (! strcmp (get (hobj(k), "linestyle"), "none")) - ll = hobj(k); - endif - if (! strcmp (get (hobj(k), "marker"), "none")) - lm = hobj(k); - endif - endfor - - if (! isempty (ll)) - if (! isempty (lm)) - toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(lm,"color"), "linestyle", get(ll,"linestyle"), "marker", get(lm,"marker"), "markeredgecolor", get(lm,"markeredgecolor"), "markerfacecolor", get(lm,"markerfacecolor"), "markersize", get (lm, "markersize"), "displayname", displayname, "parent", kids(i))]; - else - toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(ll,"color"), "linestyle", get(ll,"linestyle"), "marker", "none", "displayname", displayname, "parent", kids(i))]; - endif - elseif (! isempty (lm)) - toberm = [toberm, line("xdata",[0,0],"ydata",[0,0], "color", get(lm,"color"), "linestyle", "none", "marker", get(lm,"marker"), "markeredgecolor", get(lm,"markeredgecolor"), "markerfacecolor", get(lm,"markerfacecolor"), "markersize", get (lm, "markersize"), "displayname", displayname, "parent", kids(i))]; - endif - endfor - if (bg_is_set) - fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", round (255 * (1 - bg))); - endif - __go_draw_axes__ (kids(i), plot_stream, enhanced, mono, - bg_is_set, false, hlgnd); - unwind_protect_cleanup - ## Return axes "units" and "position" back to - ## their original values. - set (ca, "units", orig_axes_units); - set (kids(i), "units", legend_axes_units, - "box", legend_axes_box, - "ylim", legend_axes_ylim, - "position", legend_axes_position, - "outerposition", legend_axes_outerposition); - delete (toberm); - bg_is_set = false; - end_unwind_protect - endif - else - ## Rely upon listener to convert axes position - ## to "normalized" units. - orig_axes_units = get (kids(i), "units"); - orig_axes_position = get (kids(i), "position"); - unwind_protect - set (kids(i), "units", "normalized"); - fg = get (kids(i), "color"); - if (isnumeric (fg) && strcmp (get (kids(i), "visible"), "on")) - fprintf (plot_stream, "set obj 2 rectangle from graph 0,0 to graph 1,1 behind fc rgb \"#%02x%02x%02x\" fs solid noborder\n", round (255 * fg)); - fg_is_set = true; - fg_was_set = true; - elseif (fg_was_set) - fprintf (plot_stream, "unset obj 2\n"); - fg_is_set = false; - fg_was_set = false; - else - fg_is_set = false; - endif - if (bg_is_set) - fprintf (plot_stream, "set border linecolor rgb \"#%02x%02x%02x\"\n", round (255 * (1 - bg))); - endif - ## Find if this axes has an associated legend axes and pass it - ## to __go_draw_axes__ - hlegend = []; - fkids = get (h, "children"); - for j = 1 : numel (fkids) - if (ishandle (fkids (j)) - && strcmp (get (fkids (j), "type"), "axes") - && (strcmp (get (fkids (j), "tag"), "legend"))) - udata = get (fkids (j), "userdata"); - if (isscalar (udata.handle) - && ! isempty (intersect (udata.handle, kids (i)))) - hlegend = get (fkids (j)); - break; - endif - endif - endfor - __go_draw_axes__ (kids(i), plot_stream, enhanced, mono, - bg_is_set, fg_is_set, hlegend); - unwind_protect_cleanup - ## Return axes "units" and "position" back to - ## their original values. - set (kids(i), "units", orig_axes_units); - set (kids(i), "position", orig_axes_position); - bg_is_set = false; - fg_is_set = false; - end_unwind_protect - endif - case "uimenu" - ## ignore uimenu objects - kids(i) = []; - otherwise - error ("__go_draw_figure__: unknown object class, %s", type); - endswitch - endfor - if (isempty (kids)) - fputs (plot_stream, "\nreset; clear;\n"); - fflush (plot_stream); - else - fputs (plot_stream, "\nunset multiplot;\n"); - endif - else - fputs (plot_stream, "\nreset; clear;\n"); - fflush (plot_stream); - endif - else - error ("__go_draw_figure__: expecting figure object, found '%s'", - htype); - endif - -endfunction -