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annotate scripts/plot/draw/bar.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/bar.m@cc9befe5d271
children d63878346099
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 1993-2012 John W. Eaton
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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} {} bar (@var{y})
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21 ## @deftypefnx {Function File} {} bar (@var{x}, @var{y})
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22 ## @deftypefnx {Function File} {} bar (@dots{}, @var{w})
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23 ## @deftypefnx {Function File} {} bar (@dots{}, @var{style})
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24 ## @deftypefnx {Function File} {} bar (@dots{}, @var{prop}, @var{val}, @dots{})
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25 ## @deftypefnx {Function File} {} bar (@var{hax}, @dots{})
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26 ## @deftypefnx {Function File} {@var{h} =} bar (@dots{}, @var{prop}, @var{val}, @dots{})
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27 ## Produce a bar graph from two vectors of X-Y data.
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28 ##
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29 ## If only one argument is given, @var{y}, it is taken as a vector of Y values
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30 ## and the X coordinates are the range @code{1:numel (@var{y})}.
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31 ##
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32 ## The optional input @var{w} controls the width of the bars. A value of
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33 ## 1.0 will cause each bar to exactly touch any adjacent bars.
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34 ## The default width is 0.8.
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35 ##
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36 ## If @var{y} is a matrix, then each column of @var{y} is taken to be a
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37 ## separate bar graph plotted on the same graph. By default the columns
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38 ## are plotted side-by-side. This behavior can be changed by the @var{style}
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39 ## argument which can take the following values:
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40 ##
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41 ## @table @asis
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42 ## @item @qcode{"grouped"} (default)
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43 ## Side-by-side bars with a gap between bars and centered over the X-coordinate.
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44 ##
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45 ## @item @qcode{"stacked"}
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46 ## Bars are stacked so that each X value has a single bar composed of
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47 ## multiple segments.
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48 ##
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49 ## @item @qcode{"hist"}
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50 ## Side-by-side bars with no gap between bars and centered over the
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51 ## X-coordinate.
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52 ##
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53 ## @item @qcode{"histc"}
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54 ## Side-by-side bars with no gap between bars and left-aligned to the
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55 ## X-coordinate.
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56 ## @end table
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57 ##
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58 ## Optional property/value pairs are passed directly to the underlying patch
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59 ## objects.
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60 ##
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61 ## If the first argument @var{hax} is an axes handle, then plot into this axis,
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62 ## rather than the current axes returned by @code{gca}.
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63 ##
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64 ## The optional return value @var{h} is a vector of handles to the created
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65 ## "bar series" hggroups with one handle per column of the variable @var{y}.
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66 ## This series makes it possible to change a common element in one bar series
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67 ## object and have the change reflected in the other "bar series".
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68 ## For example,
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69 ##
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70 ## @example
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71 ## @group
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72 ## h = bar (rand (5, 10));
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73 ## set (h(1), "basevalue", 0.5);
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74 ## @end group
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75 ## @end example
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76 ##
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77 ## @noindent
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78 ## changes the position on the base of all of the bar series.
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79 ##
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80 ## The following example modifies the face and edge colors using
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81 ## property/value pairs.
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82 ##
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83 ## @example
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84 ## bar (randn (1, 100), "facecolor", "r", "edgecolor", "b");
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85 ## @end example
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86 ##
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87 ## @noindent
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88 ## The color of the bars is taken from the figure's colormap, such that
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89 ##
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90 ## @example
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91 ## @group
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92 ## bar (rand (10, 3));
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93 ## colormap (summer (64));
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94 ## @end group
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95 ## @end example
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96 ##
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97 ## @noindent
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98 ## will change the colors used for the bars. The color of bars can also be set
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99 ## manually using the @qcode{"facecolor"} property as shown below.
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100 ##
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101 ## @example
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102 ## @group
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103 ## h = bar (rand (10, 3));
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104 ## set (h(1), "facecolor", "r")
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105 ## set (h(2), "facecolor", "g")
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106 ## set (h(3), "facecolor", "b")
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107 ## @end group
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108 ## @end example
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109 ##
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110 ## @seealso{barh, hist, pie, plot, patch}
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111 ## @end deftypefn
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112
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113 ## Author: jwe
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114
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115 function varargout = bar (varargin)
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116 varargout = cell (nargout, 1);
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117 [varargout{:}] = __bar__ (true, "bar", varargin{:});
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118 endfunction
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119
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120
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121 %!demo
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122 %! clf;
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123 %! y = rand (11, 1);
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124 %! h = bar (y);
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125 %! set (h, 'ydata', sort (rand (11, 1)));
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126 %! title ('bar() graph');
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127
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128 %!demo
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129 %! clf;
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130 %! h = bar (rand (5, 3));
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131 %! set (h(1), 'facecolor', 'r');
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132 %! set (h(2), 'facecolor', 'g');
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133 %! set (h(3), 'facecolor', 'b');
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134 %! title ('bar() graph w/multiple bars');
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135
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136 %!demo
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137 %! clf;
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138 %! h = bar (rand (5, 3), 'stacked');
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139 %! title ('bar() graph with stacked style');
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140