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annotate scripts/plot/draw/pie.m @ 17572:7bb76a22cde1

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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/pie.m@68bcac3c043a
children d63878346099
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72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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1 ## Copyright (C) 2007-2012 David Bateman
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} pie (@var{x})
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21 ## @deftypefnx {Function File} {} pie (@dots{}, @var{explode})
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22 ## @deftypefnx {Function File} {} pie (@dots{}, @var{labels})
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23 ## @deftypefnx {Function File} {} pie (@var{hax}, @dots{});
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24 ## @deftypefnx {Function File} {@var{h} =} pie (@dots{});
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25 ## Plot a 2-D pie chart.
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26 ##
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27 ## When called with a single vector argument, produce a pie chart of the
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28 ## elements in @var{x}. The size of the ith slice is the percentage that the
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29 ## element @var{x}i represents of the total sum of @var{x}:
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30 ## @code{pct = @var{x}(i) / sum (@var{x})}.
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31 ##
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32 ## The optional input @var{explode} is a vector of the same length as @var{x}
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33 ## that, if non-zero, "explodes" the slice from the pie chart.
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34 ##
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35 ## The optional input @var{labels} is a cell array of strings of the same
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36 ## length as @var{x} specifying the label for each slice.
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37 ##
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38 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
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39 ## rather than the current axes returned by @code{gca}.
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40 ##
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41 ## The optional return value @var{h} is a list of handles to the patch
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42 ## and text objects generating the plot.
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43 ##
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44 ## Note: If @code{sum (@var{x}) @leq{} 1} then the elements of @var{x} are
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45 ## interpreted as percentages directly and are not normalized by @code{sum (x)}.
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46 ## Furthermore, if the sum is less than 1 then there will be a missing slice
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47 ## in the pie plot to represent the missing, unspecified percentage.
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48 ##
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49 ## @seealso{pie3, bar, hist, rose}
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50 ## @end deftypefn
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51
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52 ## Very roughly based on pie.m from octave-forge whose author was
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53 ## Daniel Heiserer <Daniel.heiserer@physik.tu-muenchen.de>
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54
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55 function h = pie (varargin)
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56
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57 [hax, varargin, nargin] = __plt_get_axis_arg__ ("pie", varargin{:});
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58
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59 if (nargin < 1)
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60 print_usage ();
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61 endif
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62
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63 oldfig = [];
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64 if (! isempty (hax))
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65 oldfig = get (0, "currentfigure");
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66 endif
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67 unwind_protect
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68 hax = newplot (hax);
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69 htmp = __pie__ ("pie", hax, varargin{:});
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70 unwind_protect_cleanup
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71 if (! isempty (oldfig))
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72 set (0, "currentfigure", oldfig);
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73 endif
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74 end_unwind_protect
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75
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76 if (nargout > 0)
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77 h = htmp;
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78 endif
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79
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80 endfunction
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81
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82
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83 %!demo
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84 %! clf;
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85 %! pie ([3, 2, 1], [0, 0, 1]);
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86 %! colormap ([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]);
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87 %! title ('pie() with exploded wedge');
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88
a2174fb073d4 [project @ 2007-11-07 21:26:43 by jwe]
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parents: 7119
diff changeset
89 %!demo
14237
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
90 %! clf;
14245
4506eade9f04 Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
91 %! pie ([3, 2, 1], [0, 0, 1], {'Cheddar', 'Swiss', 'Camembert'});
14001
5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
92 %! colormap ([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]);
7120
a2174fb073d4 [project @ 2007-11-07 21:26:43 by jwe]
jwe
parents: 7119
diff changeset
93 %! axis ([-2,2,-2,2]);
17190
df4c4b7708a4 Add titles and clean-up plotting %!demos.
Rik <rik@octave.org>
parents: 17122
diff changeset
94 %! title ('pie() with labels');
df4c4b7708a4 Add titles and clean-up plotting %!demos.
Rik <rik@octave.org>
parents: 17122
diff changeset
95
11341
3c7ba1e3dc21 Add missing option slice for pie and pie3
Kai Habel <kai.habel@gmx.de>
parents: 11330
diff changeset
96
3c7ba1e3dc21 Add missing option slice for pie and pie3
Kai Habel <kai.habel@gmx.de>
parents: 11330
diff changeset
97 %!demo
14237
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc.
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
98 %! clf;
14245
4506eade9f04 Use Matlab coding conventions for demos in plot/ directory.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
99 %! pie ([0.17, 0.34, 0.41], {'Cheddar', 'Swiss', 'Camembert'});
14001
5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
100 %! colormap ([1,0,0;0,1,0;0,0,1;1,1,0;1,0,1;0,1,1]);
11341
3c7ba1e3dc21 Add missing option slice for pie and pie3
Kai Habel <kai.habel@gmx.de>
parents: 11330
diff changeset
101 %! axis ([-2,2,-2,2]);
17190
df4c4b7708a4 Add titles and clean-up plotting %!demos.
Rik <rik@octave.org>
parents: 17122
diff changeset
102 %! title ('pie() with missing slice');
14001
5f0bb45e615c doc: Update documentation for functions returning a graphics handle h (Bug #34761)
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
103