Mercurial > octave-nkf
view scripts/plot/draw/slice.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/slice.m@68bcac3c043a |
children | d63878346099 |
line wrap: on
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## Copyright (C) 2007-2012 Kai Habel, David Bateman ## ## 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} {} slice (@var{x}, @var{y}, @var{z}, @var{v}, @var{sx}, @var{sy}, @var{sz}) ## @deftypefnx {Function File} {} slice (@var{x}, @var{y}, @var{z}, @var{v}, @var{xi}, @var{yi}, @var{zi}) ## @deftypefnx {Function File} {} slice (@var{v}, @var{sx}, @var{sy}, @var{sz}) ## @deftypefnx {Function File} {} slice (@var{v}, @var{xi}, @var{yi}, @var{zi}) ## @deftypefnx {Function File} {} slice (@dots{}, @var{method}) ## @deftypefnx {Function File} {} slice (@var{hax}, @dots{}) ## @deftypefnx {Function File} {@var{h} =} slice (@dots{}) ## Plot slices of 3-D data/scalar fields. ## ## Each element of the 3-dimensional array @var{v} represents a scalar value at ## a location given by the parameters @var{x}, @var{y}, and @var{z}. The ## parameters @var{x}, @var{x}, and @var{z} are either 3-dimensional arrays of ## the same size as the array @var{v} in the @qcode{"meshgrid"} format or ## vectors. The parameters @var{xi}, etc. respect a similar format to ## @var{x}, etc., and they represent the points at which the array @var{vi} ## is interpolated using interp3. The vectors @var{sx}, @var{sy}, and ## @var{sz} contain points of orthogonal slices of the respective axes. ## ## If @var{x}, @var{y}, @var{z} are omitted, they are assumed to be ## @code{x = 1:size (@var{v}, 2)}, @code{y = 1:size (@var{v}, 1)} and ## @code{z = 1:size (@var{v}, 3)}. ## ## @var{method} is one of: ## ## @table @asis ## @item @qcode{"nearest"} ## Return the nearest neighbor. ## ## @item @qcode{"linear"} ## Linear interpolation from nearest neighbors. ## ## @item @qcode{"cubic"} ## Cubic interpolation from four nearest neighbors (not implemented yet). ## ## @item @qcode{"spline"} ## Cubic spline interpolation---smooth first and second derivatives ## throughout the curve. ## @end table ## ## The default method is @qcode{"linear"}. ## ## If the first argument @var{hax} is an axes handle, then plot into this axis, ## rather than the current axes returned by @code{gca}. ## ## The optional return value @var{h} is a graphics handle to the created ## surface object. ## ## Examples: ## ## @example ## @group ## [x, y, z] = meshgrid (linspace (-8, 8, 32)); ## v = sin (sqrt (x.^2 + y.^2 + z.^2)) ./ (sqrt (x.^2 + y.^2 + z.^2)); ## slice (x, y, z, v, [], 0, []); ## ## [xi, yi] = meshgrid (linspace (-7, 7)); ## zi = xi + yi; ## slice (x, y, z, v, xi, yi, zi); ## @end group ## @end example ## @seealso{interp3, surface, pcolor} ## @end deftypefn ## Author: Kai Habel <kai.habel@gmx.de> function h = slice (varargin) [hax, varargin, nargs] = __plt_get_axis_arg__ ("slice", varargin{:}); method = "linear"; if (ischar (varargin{end})) method = varargin{end}; nargs -= 1; endif if (nargs == 4) v = varargin{1}; if (ndims (v) != 3) error ("slice: V must be a 3-dimensional array of values"); endif [nx, ny, nz] = size (v); [x, y, z] = meshgrid (1:nx, 1:ny, 1:nz); sx = varargin{2}; sy = varargin{3}; sz = varargin{4}; elseif (nargs == 7) v = varargin{4}; if (ndims (v) != 3) error ("slice: V must be a 3-dimensional array of values"); endif x = varargin{1}; y = varargin{2}; z = varargin{3}; if (isvector (x) && isvector (y) && isvector (z)) [x, y, z] = meshgrid (x, y, z); elseif (ndims (x) == 3 && size_equal (x, y, z)) ## Do nothing. else error ("slice: X, Y, Z size mismatch"); endif sx = varargin{5}; sy = varargin{6}; sz = varargin{7}; else print_usage (); endif if (any ([isvector(sx), isvector(sy), isvector(sz)])) have_sval = true; elseif (ndims (sx) == 2 && size_equal (sx, sy, sz)) have_sval = false; else error ("slice: dimensional mismatch for (XI, YI, ZI) or (SX, SY, SZ)"); endif oldfig = []; if (! isempty (hax)) oldfig = get (0, "currentfigure"); endif unwind_protect hax = newplot (hax); sidx = 1; minv = min (v(:)); maxv = max (v(:)); set (hax, "clim", [minv, maxv]); if (have_sval) ns = length (sx) + length (sy) + length (sz); hs = zeros (ns,1); [ny, nx, nz] = size (v); if (length (sz) > 0) for i = 1:length (sz) [xi, yi, zi] = meshgrid (squeeze (x(1,:,1)), squeeze (y(:,1,1)), sz(i)); vz = squeeze (interp3 (x, y, z, v, xi, yi, zi, method)); htmp(sidx++) = surface (xi, yi, sz(i) * ones (size (yi)), vz); endfor endif if (length (sy) > 0) for i = length (sy):-1:1 [xi, yi, zi] = meshgrid (squeeze (x(1,:,1)), sy(i), squeeze (z(1,1,:))); vy = squeeze (interp3 (x, y, z, v, xi, yi, zi, method)); htmp(sidx++) = surface (squeeze (xi), squeeze (sy(i) * ones (size (zi))), squeeze (zi), vy); endfor endif if (length (sx) > 0) for i = length (sx):-1:1 [xi, yi, zi] = meshgrid (sx(i), squeeze (y(:,1,1)), squeeze (z(1,1,:))); vx = squeeze (interp3 (x, y, z, v, xi, yi, zi, method)); htmp(sidx++) = surface (squeeze (sx(i) * ones (size (zi))), squeeze (yi), squeeze(zi), vx); endfor endif else vi = interp3 (x, y, z, v, sx, sy, sz); htmp = surface (sx, sy, sz, vi); endif if (! ishold ()) set (hax, "view", [-37.5, 30.0], "box", "off", "xgrid", "on", "ygrid", "on", "zgrid", "on"); endif unwind_protect_cleanup if (! isempty (oldfig)) set (0, "currentfigure", oldfig); endif end_unwind_protect if (nargout > 0) h = htmp; endif endfunction %!demo %! clf; %! colormap ('default'); %! [x, y, z] = meshgrid (linspace (-8, 8, 32)); %! v = sin (sqrt (x.^2 + y.^2 + z.^2)) ./ (sqrt (x.^2 + y.^2 + z.^2)); %! slice (x, y, z, v, [], 0, []); %!demo %! clf; %! colormap ('default'); %! [x, y, z] = meshgrid (linspace (-8, 8, 32)); %! v = sin (sqrt (x.^2 + y.^2 + z.^2)) ./ (sqrt (x.^2 + y.^2 + z.^2)); %! [xi, yi] = meshgrid (linspace (-7, 7)); %! zi = xi + yi; %! slice (x, y, z, v, xi, yi, zi);