Mercurial > octave-nkf
view scripts/plot/draw/stairs.m @ 17572:7bb76a22cde1
maint: Split scripts/plot directory into 4 pieces.
scripts/gui : user-interface functions
scripts/plot/appearance : functions controlling plot appearance
scripts/plot/draw : plotting functions which produce graphs
scripts/plot/util : low-level plotting functions and utilities.
* scripts/gui/guidata.m, scripts/gui/guihandles.m, scripts/gui/module.mk,
scripts/gui/private/__file_filter__.m,
scripts/gui/private/__fltk_file_filter__.m,
scripts/gui/private/__is_function__.m, scripts/gui/private/__uigetdir_fltk__.m,
scripts/gui/private/__uigetfile_fltk__.m,
scripts/gui/private/__uiobject_split_args__.m,
scripts/gui/private/__uiputfile_fltk__.m, scripts/gui/uicontextmenu.m,
scripts/gui/uicontrol.m, scripts/gui/uigetdir.m, scripts/gui/uigetfile.m,
scripts/gui/uimenu.m, scripts/gui/uipanel.m, scripts/gui/uipushtool.m,
scripts/gui/uiputfile.m, scripts/gui/uiresume.m, scripts/gui/uitoggletool.m,
scripts/gui/uitoolbar.m, scripts/gui/uiwait.m, scripts/gui/waitbar.m,
scripts/gui/waitforbuttonpress.m: Moved from scripts/plot to scripts/gui
* scripts/plot/appearance/__clabel__.m,
scripts/plot/appearance/__getlegenddata__.m, scripts/plot/appearance/axis.m,
scripts/plot/appearance/box.m, scripts/plot/appearance/caxis.m,
scripts/plot/appearance/clabel.m, scripts/plot/appearance/daspect.m,
scripts/plot/appearance/diffuse.m, scripts/plot/appearance/grid.m,
scripts/plot/appearance/gtext.m, scripts/plot/appearance/hidden.m,
scripts/plot/appearance/legend.m,
scripts/plot/appearance/orient.m, scripts/plot/appearance/pbaspect.m,
scripts/plot/appearance/private/__axis_label__.m,
scripts/plot/appearance/private/__axis_limits__.m,
scripts/plot/appearance/shading.m, scripts/plot/appearance/specular.m,
scripts/plot/appearance/text.m, scripts/plot/appearance/title.m,
scripts/plot/appearance/view.m, scripts/plot/appearance/whitebg.m,
scripts/plot/appearance/xlabel.m, scripts/plot/appearance/xlim.m,
scripts/plot/appearance/ylabel.m, scripts/plot/appearance/ylim.m,
scripts/plot/appearance/zlabel.m, scripts/plot/appearance/zlim.m:
Moved from scripts/plot to subdir appearance.
* scripts/plot/draw/area.m, scripts/plot/draw/bar.m, scripts/plot/draw/barh.m,
scripts/plot/draw/colorbar.m, scripts/plot/draw/comet.m,
scripts/plot/draw/comet3.m, scripts/plot/draw/compass.m,
scripts/plot/draw/contour.m, scripts/plot/draw/contour3.m,
scripts/plot/draw/contourc.m, scripts/plot/draw/contourf.m,
scripts/plot/draw/cylinder.m, scripts/plot/draw/ellipsoid.m,
scripts/plot/draw/errorbar.m, scripts/plot/draw/ezcontour.m,
scripts/plot/draw/ezcontourf.m, scripts/plot/draw/ezmesh.m,
scripts/plot/draw/ezmeshc.m, scripts/plot/draw/ezplot.m,
scripts/plot/draw/ezplot3.m, scripts/plot/draw/ezpolar.m,
scripts/plot/draw/ezsurf.m, scripts/plot/draw/ezsurfc.m,
scripts/plot/draw/feather.m, scripts/plot/draw/fill.m,
scripts/plot/draw/fplot.m, scripts/plot/draw/hist.m,
scripts/plot/draw/isocolors.m, scripts/plot/draw/isonormals.m,
scripts/plot/draw/isosurface.m, scripts/plot/draw/line.m,
scripts/plot/draw/loglog.m, scripts/plot/draw/loglogerr.m,
scripts/plot/draw/mesh.m, scripts/plot/draw/meshc.m, scripts/plot/draw/meshz.m,
scripts/plot/draw/pareto.m,
scripts/plot/draw/patch.m, scripts/plot/draw/pcolor.m,
scripts/plot/draw/peaks.m, scripts/plot/draw/pie.m, scripts/plot/draw/pie3.m,
scripts/plot/draw/plot.m, scripts/plot/draw/plot3.m,
scripts/plot/draw/plotmatrix.m, scripts/plot/draw/plotyy.m,
scripts/plot/draw/polar.m, scripts/plot/draw/private/__add_datasource__.m,
scripts/plot/draw/private/__bar__.m, scripts/plot/draw/private/__contour__.m,
scripts/plot/draw/private/__errcomm__.m,
scripts/plot/draw/private/__errplot__.m,
scripts/plot/draw/private/__ezplot__.m,
scripts/plot/draw/private/__interp_cube__.m,
scripts/plot/draw/private/__line__.m,
scripts/plot/draw/private/__marching_cube__.m,
scripts/plot/draw/private/__patch__.m, scripts/plot/draw/private/__pie__.m,
scripts/plot/draw/private/__plt__.m, scripts/plot/draw/private/__quiver__.m,
scripts/plot/draw/private/__scatter__.m, scripts/plot/draw/private/__stem__.m,
scripts/plot/draw/quiver.m, scripts/plot/draw/quiver3.m,
scripts/plot/draw/rectangle.m, scripts/plot/draw/ribbon.m,
scripts/plot/draw/rose.m, scripts/plot/draw/scatter.m,
scripts/plot/draw/scatter3.m, scripts/plot/draw/semilogx.m,
scripts/plot/draw/semilogxerr.m, scripts/plot/draw/semilogy.m,
scripts/plot/draw/semilogyerr.m, scripts/plot/draw/shrinkfaces.m,
scripts/plot/draw/slice.m, scripts/plot/draw/sombrero.m,
scripts/plot/draw/sphere.m, scripts/plot/draw/stairs.m,
scripts/plot/draw/stem.m, scripts/plot/draw/stem3.m,
scripts/plot/draw/stemleaf.m, scripts/plot/draw/surf.m,
scripts/plot/draw/surface.m, scripts/plot/draw/surfc.m,
scripts/plot/draw/surfl.m, scripts/plot/draw/surfnorm.m,
scripts/plot/draw/tetramesh.m, scripts/plot/draw/trimesh.m,
scripts/plot/draw/triplot.m, scripts/plot/draw/trisurf.m,
scripts/plot/draw/waterfall.m: Moved from plot/ to subdir draw.
* scripts/plot/util/__actual_axis_position__.m,
scripts/plot/util/__default_plot_options__.m,
scripts/plot/util/__gnuplot_drawnow__.m,
scripts/plot/util/__next_line_color__.m,
scripts/plot/util/__next_line_style__.m,
scripts/plot/util/__plt_get_axis_arg__.m, scripts/plot/util/__pltopt__.m,
scripts/plot/util/allchild.m, scripts/plot/util/ancestor.m,
scripts/plot/util/axes.m, scripts/plot/util/cla.m, scripts/plot/util/clf.m,
scripts/plot/util/close.m, scripts/plot/util/closereq.m,
scripts/plot/util/colstyle.m, scripts/plot/util/copyobj.m,
scripts/plot/util/figure.m, scripts/plot/util/findall.m,
scripts/plot/util/findfigs.m, scripts/plot/util/findobj.m,
scripts/plot/util/gca.m, scripts/plot/util/gcbf.m, scripts/plot/util/gcbo.m,
scripts/plot/util/gcf.m, scripts/plot/util/gco.m, scripts/plot/util/ginput.m,
scripts/plot/util/gnuplot_binary.in, scripts/plot/util/graphics_toolkit.m,
scripts/plot/util/hdl2struct.m, scripts/plot/util/hggroup.m,
scripts/plot/util/hold.m, scripts/plot/util/isaxes.m,
scripts/plot/util/isfigure.m, scripts/plot/util/ishghandle.m,
scripts/plot/util/ishold.m, scripts/plot/util/isprop.m,
scripts/plot/util/linkprop.m, scripts/plot/util/meshgrid.m,
scripts/plot/util/ndgrid.m,
scripts/plot/util/newplot.m, scripts/plot/util/print.m,
scripts/plot/util/printd.m, scripts/plot/util/private/__add_default_menu__.m,
scripts/plot/util/private/__fltk_ginput__.m,
scripts/plot/util/private/__fltk_print__.m,
scripts/plot/util/private/__ghostscript__.m,
scripts/plot/util/private/__gnuplot_get_var__.m,
scripts/plot/util/private/__gnuplot_ginput__.m,
scripts/plot/util/private/__gnuplot_has_feature__.m,
scripts/plot/util/private/__gnuplot_has_terminal__.m,
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/__print_parse_opts__.m,
scripts/plot/util/private/__tight_eps_bbox__.m, scripts/plot/util/refresh.m,
scripts/plot/util/refreshdata.m, scripts/plot/util/saveas.m,
scripts/plot/util/shg.m, scripts/plot/util/struct2hdl.m,
scripts/plot/util/subplot.m: Moved from plot to subdir util.
* etc/HACKING: Updated directory structure info.
* scripts/Makefile.am, scripts/plot/appearance/module.mk,
scripts/plot/draw/module.mk, scripts/plot/util/module.mk:
Added new directories to build system.
author | Rik <rik@octave.org> |
---|---|
date | Fri, 04 Oct 2013 17:09:08 -0700 |
parents | scripts/plot/stairs.m@1da32463b540 |
children | d63878346099 |
line wrap: on
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## Copyright (C) 1993-2012 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} {} stairs (@var{y}) ## @deftypefnx {Function File} {} stairs (@var{x}, @var{y}) ## @deftypefnx {Function File} {} stairs (@dots{}, @var{style}) ## @deftypefnx {Function File} {} stairs (@dots{}, @var{prop}, @var{val}, @dots{}) ## @deftypefnx {Function File} {} stairs (@var{hax}, @dots{}) ## @deftypefnx {Function File} {@var{h} =} stairs (@dots{}) ## @deftypefnx {Function File} {[@var{xstep}, @var{ystep}] =} stairs (@dots{}) ## Produce a stairstep plot. ## ## The arguments @var{x} and @var{y} may be vectors or matrices. ## If only one argument is given, it is taken as a vector of Y values ## and the X coordinates are taken to be the indices of the elements. ## ## The style to use for the plot can be defined with a line style @var{style} ## of the same format as the @code{plot} command. ## ## Multiple property/value pairs may be specified, but they must appear in ## pairs. ## ## If the first argument @var{hax} is an axis handle, then plot into this axis, ## rather than the current axis handle returned by @code{gca}. ## ## If one output argument is requested, return a graphics handle to the ## created plot. If two output arguments are specified, the data are generated ## but not plotted. For example, ## ## @example ## stairs (x, y); ## @end example ## ## @noindent ## and ## ## @example ## @group ## [xs, ys] = stairs (x, y); ## plot (xs, ys); ## @end group ## @end example ## ## @noindent ## are equivalent. ## @seealso{bar, hist, plot, stem} ## @end deftypefn ## Author: jwe function [xs, ys] = stairs (varargin) [hax, varargin, nargin] = __plt_get_axis_arg__ ("stairs", varargin{:}); if (nargin < 1) print_usage (); endif if (nargout < 2) oldfig = []; if (! isempty (hax)) oldfig = get (0, "currentfigure"); endif unwind_protect hax = newplot (hax); [htmp, xxs, yys] = __stairs__ (true, varargin{:}); unwind_protect_cleanup if (! isempty (oldfig)) set (0, "currentfigure", oldfig); endif end_unwind_protect if (nargout == 1) xs = htmp; endif else [~, xs, ys] = __stairs__ (false, varargin{:}); endif endfunction function [h, xs, ys] = __stairs__ (doplot, varargin) if (nargin == 2 || ischar (varargin{2})) y = varargin{1}; varargin(1) = []; if (! ismatrix (y) || ndims (y) > 2) error ("stairs: Y must be a numeric 2-D vector or matrix"); endif if (isvector (y)) y = y(:); endif x = 1:rows (y); else x = varargin{1}; y = varargin{2}; varargin(1:2) = []; if (! ismatrix (x) || ! ismatrix (y) || ndims (x) > 2 || ndims (y) > 2) error ("stairs: X and Y must be numeric 2-D vectors or matrices"); endif endif vec_x = isvector (x); if (vec_x) x = x(:); endif if (isvector (y)) y = y(:); elseif (ismatrix (y) && vec_x) x = repmat (x, [1, columns(y)]); endif if (! size_equal (x, y)) error ("stairs: X and Y sizes must match"); endif [nr, nc] = size (y); len = 2*nr - 1; xs = ys = zeros (len, nc); xs(1,:) = x(1,:); ys(1,:) = y(1,:); xtmp = x(2:nr,:); ridx = 2:2:len-1; xs(ridx,:) = xtmp; ys(ridx,:) = y(1:nr-1,:); ridx = 3:2:len; xs(ridx,:) = xtmp; ys(ridx,:) = y(2:nr,:); have_line_spec = false; for i = 1:2:numel (varargin) arg = varargin{i}; if (ischar (arg) || iscellstr (arg)) [linespec, valid] = __pltopt__ ("stairs", arg, false); if (valid) have_line_spec = true; varargin(i) = []; break; endif endif endfor if (doplot) h = []; hold_state = get (gca (), "nextplot"); unwind_protect for i = 1 : columns (y) if (have_line_spec) lc = linespec.color; if (isempty (lc)) lc = __next_line_color__ (); endif ls = linespec.linestyle; if (isempty (ls)) ls = "-"; endif mk = linespec.marker; if (isempty (mk)) mk = "none"; endif else lc = __next_line_color__ (); ls = "-"; mk = "none"; endif ## Must occur after __next_line_color__ in order to work correctly. hg = hggroup (); h = [h; hg]; args = __add_datasource__ ("stairs", hg, {"x", "y"}, varargin{:}); addproperty ("xdata", hg, "data", x(:,i).'); addproperty ("ydata", hg, "data", y(:,i).'); addlistener (hg, "xdata", @update_data); addlistener (hg, "ydata", @update_data); htmp = line (xs(:,i).', ys(:,i).', "color", lc, "linestyle", ls, "marker", mk, "parent", hg); addproperty ("color", hg, "linecolor", get (htmp, "color")); addproperty ("linestyle", hg, "linelinestyle", get (htmp, "linestyle")); addproperty ("linewidth", hg, "linelinewidth", get (htmp, "linewidth")); addproperty ("marker", hg, "linemarker", get (htmp, "marker")); addproperty ("markeredgecolor", hg, "linemarkeredgecolor", get (htmp, "markeredgecolor")); addproperty ("markerfacecolor", hg, "linemarkerfacecolor", get (htmp, "markerfacecolor")); addproperty ("markersize", hg, "linemarkersize", get (htmp, "markersize")); addlistener (hg, "color", @update_props); addlistener (hg, "linestyle", @update_props); addlistener (hg, "linewidth", @update_props); addlistener (hg, "marker", @update_props); addlistener (hg, "markeredgecolor", @update_props); addlistener (hg, "markerfacecolor", @update_props); addlistener (hg, "markersize", @update_props); ## Matlab property, although Octave does not implement it. addproperty ("hittestarea", hg, "radio", "on|{off}", "off"); if (! isempty (args)) set (hg, args{:}); endif endfor unwind_protect_cleanup set (gca (), "nextplot", hold_state); end_unwind_protect else h = 0; endif endfunction function update_props (h, ~) set (get (h, "children"), {"color", "linestyle", "linewidth", "marker", ... "markeredgecolor", "markerfacecolor", "markersize"}, get (h, {"color", "linestyle", "linewidth", "marker", ... "markeredgecolor", "markerfacecolor", "markersize"})); endfunction function update_data (h, ~) x = get (h, "xdata"); y = get (h, "ydata"); sz = min ([size(x); size(y)]); x = x(1:sz(1), 1:sz(2)); y = y(1:sz(1), 1:sz(2)); nr = length (x); len = 2 * nr - 1; xs = ys = zeros (1, len); xs(1) = x(1); ys(1) = y(1); xtmp = x(2:nr); ridx = 2:2:len-1; xs(ridx) = xtmp; ys(ridx) = y(1:nr-1); ridx = 3:2:len; xs(ridx) = xtmp; ys(ridx) = y(2:nr); set (get (h, "children"), "xdata", xs, "ydata", ys); endfunction %!demo %! clf; %! rand_1x10_data1 = [0.073, 0.455, 0.837, 0.124, 0.426, 0.781, 0.004, 0.024, 0.519, 0.698]; %! y = rand_1x10_data1; %! stairs (y); %! title ('stairs() plot of y-data'); %!demo %! clf; %! x = 1:10; %! rand_1x10_data2 = [0.014, 0.460, 0.622, 0.394, 0.531, 0.378, 0.466, 0.788, 0.342, 0.893]; %! y = rand_1x10_data2; %! [xs, ys] = stairs (x, y); %! plot (xs, ys); %! title ('plot() of stairs() generated data'); %!demo %! clf; %! stairs (1:9, '-o'); %! title ('stairs() plot with linespec to modify marker'); %!demo %! clf; %! stairs (9:-1:1, 'marker', 's', 'markersize', 10, 'markerfacecolor', 'm'); %! title ('stairs() plot with prop/val pairs to modify appearance'); %!demo %! clf; %! N = 11; %! x = 0:(N-1); %! y = rand (1, N); %! hs = stairs (x(1), y(1)); %! axis ([1, N-1 0, 1]); %! title ('stairs plot data modified through handle'); %! for k = 2:N %! set (hs, 'xdata', x(1:k), 'ydata', y(1:k)); %! drawnow (); %! pause (0.2); %! end ## Invisible figure used for tests %!shared hf, hax %! hf = figure ("visible", "off"); %! hax = axes; %!error stairs () %!error <Y must be a numeric 2-D vector> stairs (hax, {1}) %!error <Y must be a numeric 2-D vector> stairs (ones (2,2,2)) %!error <X and Y must be numeric 2-D vector> stairs ({1}, 1) %!error <X and Y must be numeric 2-D vector> stairs (1, {1}) %!error <X and Y must be numeric 2-D vector> stairs (ones (2,2,2), 1) %!error <X and Y must be numeric 2-D vector> stairs (1, ones (2,2,2)) %!error <X and Y sizes must match> stairs (1:2, 1:3) ## Close figure used for testing %!test %! close (hf);