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doc: Rewrite docstrings for most plot functions. Emphasize clarity, use common "voice", and increase density of seealso links. * doc/interpreter/plot.txi: Add @findex entries that were in xlim.m * scripts/miscellaneous/getappdata.m scripts/miscellaneous/setappdata.m, scripts/plot/allchild.m, scripts/plot/ancestor.m, scripts/plot/area.m, scripts/plot/axes.m, scripts/plot/axis.m, scripts/plot/bar.m, scripts/plot/barh.m, scripts/plot/box.m, scripts/plot/caxis.m, scripts/plot/cla.m, scripts/plot/clabel.m, scripts/plot/clf.m, scripts/plot/close.m, scripts/plot/closereq.m, scripts/plot/colorbar.m, scripts/plot/comet.m, scripts/plot/comet3.m, scripts/plot/compass.m, scripts/plot/contour.m, scripts/plot/contour3.m, scripts/plot/contourc.m, scripts/plot/contourf.m, scripts/plot/copyobj.m, scripts/plot/cylinder.m, scripts/plot/daspect.m, scripts/plot/diffuse.m, scripts/plot/ellipsoid.m, scripts/plot/errorbar.m, scripts/plot/ezcontour.m, scripts/plot/ezcontourf.m, scripts/plot/ezmesh.m, scripts/plot/ezmeshc.m, scripts/plot/ezplot.m, scripts/plot/ezplot3.m, scripts/plot/ezpolar.m, scripts/plot/ezsurf.m, scripts/plot/ezsurfc.m, scripts/plot/feather.m, scripts/plot/figure.m, scripts/plot/fill.m, scripts/plot/findall.m, scripts/plot/findobj.m, scripts/plot/fplot.m, scripts/plot/gca.m, scripts/plot/gcbf.m, scripts/plot/gcbo.m, scripts/plot/gcf.m, scripts/plot/gco.m, scripts/plot/ginput.m, scripts/plot/graphics_toolkit.m, scripts/plot/grid.m, scripts/plot/gtext.m, scripts/plot/guidata.m, scripts/plot/guihandles.m, scripts/plot/hdl2struct.m, scripts/plot/hggroup.m, scripts/plot/hidden.m, scripts/plot/hist.m, scripts/plot/hold.m, scripts/plot/ishghandle.m, scripts/plot/ishold.m, scripts/plot/isocolors.m, scripts/plot/isprop.m, scripts/plot/legend.m, scripts/plot/line.m, scripts/plot/linkprop.m, scripts/plot/loglog.m, scripts/plot/loglogerr.m, scripts/plot/mesh.m, scripts/plot/meshc.m, scripts/plot/meshgrid.m, scripts/plot/meshz.m, scripts/plot/newplot.m, scripts/plot/orient.m, scripts/plot/pareto.m, scripts/plot/patch.m, scripts/plot/pcolor.m, scripts/plot/peaks.m, scripts/plot/pie.m, scripts/plot/pie3.m, scripts/plot/plot.m, scripts/plot/plot3.m, scripts/plot/plotmatrix.m, scripts/plot/plotyy.m, scripts/plot/polar.m, scripts/plot/print.m, scripts/plot/quiver.m, scripts/plot/quiver3.m, scripts/plot/rectangle.m, scripts/plot/refresh.m, scripts/plot/refreshdata.m, scripts/plot/ribbon.m, scripts/plot/rose.m, scripts/plot/saveas.m, scripts/plot/scatter.m, scripts/plot/scatter3.m, scripts/plot/semilogx.m, scripts/plot/semilogxerr.m, scripts/plot/semilogy.m, scripts/plot/semilogyerr.m, scripts/plot/shading.m, scripts/plot/shg.m, scripts/plot/shrinkfaces.m, scripts/plot/slice.m, scripts/plot/specular.m, scripts/plot/sphere.m, scripts/plot/stairs.m, scripts/plot/stem.m, scripts/plot/stem3.m, scripts/plot/struct2hdl.m, scripts/plot/subplot.m, scripts/plot/surf.m, scripts/plot/surface.m, scripts/plot/surfc.m, scripts/plot/surfl.m, scripts/plot/tetramesh.m, scripts/plot/text.m, scripts/plot/title.m, scripts/plot/trimesh.m, scripts/plot/triplot.m, scripts/plot/trisurf.m, scripts/plot/view.m, scripts/plot/waitbar.m, scripts/plot/waitforbuttonpress.m, scripts/plot/waterfall.m, scripts/plot/whitebg.m, scripts/plot/xlabel.m, scripts/plot/xlim.m, scripts/plot/ylabel.m, scripts/plot/ylim.m, scripts/plot/zlabel.m, scripts/plot/zlim.m: Rewrite docstrings for most plot functions. Emphasize clarity, use common "voice", and increase density of seealso links.
author Rik <rik@octave.org>
date Wed, 31 Jul 2013 13:53:30 -0700
parents 55956e8e21c9
children 26589abbc78d
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72c96de7a403 maint: update copyright notices for 2012
John W. Eaton <jwe@octave.org>
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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} {} stairs (@var{y})
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21 ## @deftypefnx {Function File} {} stairs (@var{x}, @var{y})
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22 ## @deftypefnx {Function File} {} stairs (@dots{}, @var{style})
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23 ## @deftypefnx {Function File} {} stairs (@dots{}, @var{prop}, @var{val}, @dots{})
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24 ## @deftypefnx {Function File} {} stairs (@var{hax}, @dots{})
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25 ## @deftypefnx {Function File} {@var{h} =} stairs (@dots{})
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26 ## @deftypefnx {Function File} {[@var{xstep}, @var{ystep}] =} stairs (@dots{})
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27 ## Produce a stairstep plot.
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28 ##
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29 ## The arguments @var{x} and @var{y} may be vectors or matrices.
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30 ## If only one argument is given, it is taken as a vector of Y values
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31 ## and the X coordinates are taken to be the indices of the elements.
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32 ##
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33 ## The style to use for the plot can be defined with a line style @var{style}
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34 ## of the same format as the @code{plot} command.
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35 ##
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36 ## Multiple property/value pairs may be specified, but they must appear in
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37 ## pairs.
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38 ##
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39 ## If the first argument @var{hax} is an axis handle, then plot into this axis,
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40 ## rather than the current axis handle returned by @code{gca}.
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41 ##
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42 ## If one output argument is requested, return a graphics handle to the
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43 ## created plot. If two output arguments are specified, the data are generated
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44 ## but not plotted. For example,
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45 ##
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46 ## @example
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47 ## stairs (x, y);
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48 ## @end example
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49 ##
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50 ## @noindent
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51 ## and
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52 ##
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53 ## @example
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54 ## @group
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55 ## [xs, ys] = stairs (x, y);
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56 ## plot (xs, ys);
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57 ## @end group
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58 ## @end example
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59 ##
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60 ## @noindent
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61 ## are equivalent.
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62 ## @seealso{bar, hist, plot, stem}
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63 ## @end deftypefn
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64
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65 ## Author: jwe
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66
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67 function [xs, ys] = stairs (varargin)
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68
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69 [hax, varargin, nargin] = __plt_get_axis_arg__ ("stairs", varargin{:});
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71 if (nargin < 1)
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72 print_usage ();
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73 else
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74 if (nargout > 1)
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75 [h, xs, ys] = __stairs__ (false, varargin{:});
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76 else
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77 oldfig = ifelse (isempty (hax), [], get (0, "currentfigure"));
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78 unwind_protect
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79 hax = newplot (hax);
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80 [htmp, xxs, yys] = __stairs__ (true, varargin{:});
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81 unwind_protect_cleanup
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82 if (! isempty (oldfig))
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83 set (0, "currentfigure", oldfig);
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84 endif
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85 end_unwind_protect
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86 if (nargout == 1)
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87 xs = htmp;
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88 endif
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89 endif
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90 endif
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91 endfunction
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92
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93 function [h, xs, ys] = __stairs__ (doplot, varargin)
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94
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95 if (nargin == 2 || ischar (varargin{2}))
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96 y = varargin{1};
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97 varargin(1) = [];
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98 if (ismatrix (y))
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99 if (isvector (y))
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100 y = y(:);
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101 endif
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102 x = 1:rows (y);
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103 endif
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104 else
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105 x = varargin{1};
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106 y = varargin{2};
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107 varargin(1:2) = [];
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108 endif
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109
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110 if (ndims (x) > 2 || ndims (y) > 2)
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111 error ("stairs: X and Y must be 2-D objects");
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112 endif
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113
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114 vec_x = isvector (x);
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115
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116 if (vec_x)
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117 x = x(:);
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118 endif
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119
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
120 if (isvector (y))
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
121 y = y(:);
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
122 endif
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
123
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
124 if (ismatrix (y))
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
125 [nr, nc] = size (y);
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
126 if (vec_x)
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
127 x = repmat (x, [1, nc]);
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
128 else
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
129 [x_nr, x_nc] = size (x);
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
130 if (x_nr != nr || x_nc != nc)
10549
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parents: 9809
diff changeset
131 error ("stairs: argument size mismatch");
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
132 endif
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
133 endif
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
134 endif
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
135
6257
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jwe
parents: 6046
diff changeset
136 len = 2*nr - 1;
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
137
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David Bateman <dbateman@free.fr>
parents: 7245
diff changeset
138 xs = ys = zeros (len, nc);
6257
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jwe
parents: 6046
diff changeset
139
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David Bateman <dbateman@free.fr>
parents: 7245
diff changeset
140 xs(1,:) = x(1,:);
95dce69538ec Allow additional options to stairs plots
David Bateman <dbateman@free.fr>
parents: 7245
diff changeset
141 ys(1,:) = y(1,:);
6257
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jwe
parents: 6046
diff changeset
142
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David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
143 xtmp = x(2:nr,:);
6257
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
144 ridx = 2:2:len-1;
8056
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
145 xs(ridx,:) = xtmp;
7746
95dce69538ec Allow additional options to stairs plots
David Bateman <dbateman@free.fr>
parents: 7245
diff changeset
146 ys(ridx,:) = y(1:nr-1,:);
6257
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
147
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
148 ridx = 3:2:len;
8056
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
149 xs(ridx,:) = xtmp;
7746
95dce69538ec Allow additional options to stairs plots
David Bateman <dbateman@free.fr>
parents: 7245
diff changeset
150 ys(ridx,:) = y(2:nr,:);
6257
44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe]
jwe
parents: 6046
diff changeset
151
8243
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David Bateman <dbateman@free.fr>
parents: 8079
diff changeset
152 have_line_spec = false;
8244
ca410b015910 Opps with previous patch
David Bateman <dbateman@free.fr>
parents: 8243
diff changeset
153 for i = 1 : length (varargin)
17073
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Rik <rik@octave.org>
parents: 16828
diff changeset
154 arg = varargin{i};
8243
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David Bateman <dbateman@free.fr>
parents: 8079
diff changeset
155 if ((ischar (arg) || iscell (arg)) && ! have_line_spec)
ec4d9d657b17 Treat line style argument in stairs
David Bateman <dbateman@free.fr>
parents: 8079
diff changeset
156 [linespec, valid] = __pltopt__ ("stairs", arg, false);
ec4d9d657b17 Treat line style argument in stairs
David Bateman <dbateman@free.fr>
parents: 8079
diff changeset
157 if (valid)
10549
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Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
158 have_line_spec = true;
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
159 varargin(i) = [];
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
160 break;
8243
ec4d9d657b17 Treat line style argument in stairs
David Bateman <dbateman@free.fr>
parents: 8079
diff changeset
161 endif
ec4d9d657b17 Treat line style argument in stairs
David Bateman <dbateman@free.fr>
parents: 8079
diff changeset
162 endif
11587
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John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
163 endfor
8243
ec4d9d657b17 Treat line style argument in stairs
David Bateman <dbateman@free.fr>
parents: 8079
diff changeset
164
7746
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David Bateman <dbateman@free.fr>
parents: 7245
diff changeset
165 if (doplot)
8056
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David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
166 h = [];
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
167 unwind_protect
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
168 hold_state = get (gca (), "nextplot");
14872
c2dbdeaa25df maint: use rows() and columns() to clarify m-files.
Rik <octave@nomad.inbox5.com>
parents: 14237
diff changeset
169 for i = 1 : columns (y)
10549
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Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
170 hg = hggroup ();
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
171 h = [h; hg];
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
172 args = __add_datasource__ ("stairs", hg, {"x", "y"}, varargin{:});
8056
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David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
173
10549
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Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
174 addproperty ("xdata", hg, "data", x(:,i).');
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
175 addproperty ("ydata", hg, "data", y(:,i).');
8056
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David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
176
10549
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Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
177 addlistener (hg, "xdata", @update_data);
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
178 addlistener (hg, "ydata", @update_data);
8056
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David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
179
10549
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Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
180 if (have_line_spec)
17073
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
181 htmp = line (xs(:,i).', ys(:,i).', "color", linespec.color,
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
182 "parent", hg);
10549
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
183 else
17073
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
184 htmp = line (xs(:,i).', ys(:,i).', "color", __next_line_color__ (),
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
185 "parent", hg);
10549
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
186 endif
8075
a028a5960e18 Fix for hold with no figures/axes. Set prop/val pairs to hggroups rather than underlying objects. Fix for equality test in array_property
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
187
17073
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Rik <rik@octave.org>
parents: 16828
diff changeset
188 addproperty ("color", hg, "linecolor", get (htmp, "color"));
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
189 addproperty ("linewidth", hg, "linelinewidth", get (htmp, "linewidth"));
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
190 addproperty ("linestyle", hg, "linelinestyle", get (htmp, "linestyle"));
8056
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David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
191
17073
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
192 addproperty ("marker", hg, "linemarker", get (htmp, "marker"));
10549
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
193 addproperty ("markerfacecolor", hg, "linemarkerfacecolor",
17073
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
194 get (htmp, "markerfacecolor"));
10549
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
195 addproperty ("markeredgecolor", hg, "linemarkeredgecolor",
17073
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
196 get (htmp, "markeredgecolor"));
10549
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
197 addproperty ("markersize", hg, "linemarkersize",
17073
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
198 get (htmp, "markersize"));
8056
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
199
10549
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Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
200 addlistener (hg, "color", @update_props);
11587
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
201 addlistener (hg, "linewidth", @update_props);
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
202 addlistener (hg, "linestyle", @update_props);
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
203 addlistener (hg, "marker", @update_props);
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
204 addlistener (hg, "markerfacecolor", @update_props);
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
205 addlistener (hg, "markeredgecolor", @update_props);
c792872f8942 all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents: 11523
diff changeset
206 addlistener (hg, "markersize", @update_props);
8075
a028a5960e18 Fix for hold with no figures/axes. Set prop/val pairs to hggroups rather than underlying objects. Fix for equality test in array_property
David Bateman <dbateman@free.fr>
parents: 8070
diff changeset
207
10549
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
208 if (! isempty (args))
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
209 set (hg, args{:});
95c3e38098bf Untabify .m scripts
Rik <code@nomad.inbox5.com>
parents: 9809
diff changeset
210 endif
8056
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
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diff changeset
211 endfor
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
212 unwind_protect_cleanup
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
213 set (gca (), "nextplot", hold_state);
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
214 end_unwind_protect
736
c8f88bd3202b [project @ 1994-09-24 03:28:05 by jwe]
jwe
parents: 245
diff changeset
215 else
7746
95dce69538ec Allow additional options to stairs plots
David Bateman <dbateman@free.fr>
parents: 7245
diff changeset
216 h = 0;
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
217 endif
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
218
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
219 endfunction
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7017
diff changeset
220
11363
a0dfd7e8e3e2 Assign data used in demo plots for reproducibility between runs
Rik <octave@nomad.inbox5.com>
parents: 10736
diff changeset
221
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7017
diff changeset
222 %!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
223 %! clf;
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7017
diff changeset
224 %! x = 1:10;
11363
a0dfd7e8e3e2 Assign data used in demo plots for reproducibility between runs
Rik <octave@nomad.inbox5.com>
parents: 10736
diff changeset
225 %! rand_1x10_data1 = [0.073, 0.455, 0.837, 0.124, 0.426, 0.781, 0.004, 0.024, 0.519, 0.698];
a0dfd7e8e3e2 Assign data used in demo plots for reproducibility between runs
Rik <octave@nomad.inbox5.com>
parents: 10736
diff changeset
226 %! y = rand_1x10_data1;
8056
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
227 %! stairs (x, y);
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7017
diff changeset
228
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7017
diff changeset
229 %!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
230 %! clf;
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7017
diff changeset
231 %! x = 1:10;
11363
a0dfd7e8e3e2 Assign data used in demo plots for reproducibility between runs
Rik <octave@nomad.inbox5.com>
parents: 10736
diff changeset
232 %! rand_1x10_data2 = [0.014, 0.460, 0.622, 0.394, 0.531, 0.378, 0.466, 0.788, 0.342, 0.893];
a0dfd7e8e3e2 Assign data used in demo plots for reproducibility between runs
Rik <octave@nomad.inbox5.com>
parents: 10736
diff changeset
233 %! y = rand_1x10_data2;
7245
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7017
diff changeset
234 %! [xs, ys] = stairs (x, y);
d65670971cbc [project @ 2007-12-04 03:03:54 by jwe]
jwe
parents: 7017
diff changeset
235 %! plot (xs, ys);
8056
9a6f4713f765 Add area, bar, quiver and stair series graphics objects. Document them
David Bateman <dbateman@free.fr>
parents: 7746
diff changeset
236
9809
965487e00282 stairs.m (__stairs__): correct nargin check; new demos
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
237 %!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
238 %! clf;
9809
965487e00282 stairs.m (__stairs__): correct nargin check; new demos
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
239 %! stairs (1:9);
965487e00282 stairs.m (__stairs__): correct nargin check; new demos
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
240
965487e00282 stairs.m (__stairs__): correct nargin check; new demos
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
241 %!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
242 %! clf;
9809
965487e00282 stairs.m (__stairs__): correct nargin check; new demos
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
243 %! [xs, ys] = stairs (9:-1:1);
965487e00282 stairs.m (__stairs__): correct nargin check; new demos
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
244 %! plot (xs, ys);
965487e00282 stairs.m (__stairs__): correct nargin check; new demos
John W. Eaton <jwe@octave.org>
parents: 8920
diff changeset
245
16752
d6b666e8449c Update copies consistent subset of {x,y,z}data to children of the stairs hggoup.
Ben Abbott <bpabbott@mac.com>
parents: 14872
diff changeset
246 %!demo
d6b666e8449c Update copies consistent subset of {x,y,z}data to children of the stairs hggoup.
Ben Abbott <bpabbott@mac.com>
parents: 14872
diff changeset
247 %! clf;
d6b666e8449c Update copies consistent subset of {x,y,z}data to children of the stairs hggoup.
Ben Abbott <bpabbott@mac.com>
parents: 14872
diff changeset
248 %! N = 11;
d6b666e8449c Update copies consistent subset of {x,y,z}data to children of the stairs hggoup.
Ben Abbott <bpabbott@mac.com>
parents: 14872
diff changeset
249 %! x = 0:(N-1);
d6b666e8449c Update copies consistent subset of {x,y,z}data to children of the stairs hggoup.
Ben Abbott <bpabbott@mac.com>
parents: 14872
diff changeset
250 %! y = rand (1, N);
d6b666e8449c Update copies consistent subset of {x,y,z}data to children of the stairs hggoup.
Ben Abbott <bpabbott@mac.com>
parents: 14872
diff changeset
251 %! hs = stairs (x(1), y(1));
17073
55956e8e21c9 stairs.m: Overhaul to use new __plt_get_axis_arg__.
Rik <rik@octave.org>
parents: 16828
diff changeset
252 %! axis ([1, N-1 0, 1]);
16752
d6b666e8449c Update copies consistent subset of {x,y,z}data to children of the stairs hggoup.
Ben Abbott <bpabbott@mac.com>
parents: 14872
diff changeset
253 %! for k=2:N
16828
ddac88d32d6a Make demos in plot m-files compatible with Matlab for running comparison script.
Rik <rik@octave.org>
parents: 16816
diff changeset
254 %! set (hs, 'xdata', x(1:k), 'ydata', y(1:k));
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255 %! drawnow ();
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256 %! pause (0.2);
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257 %! end
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258
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259
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260 function update_props (h, d)
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261 set (get (h, "children"),
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262 "color", get (h, "color"),
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263 "linewidth", get (h, "linewidth"),
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264 "linestyle", get (h, "linestyle"),
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265 "marker", get (h, "marker"),
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266 "markerfacecolor", get (h, "markerfacecolor"),
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267 "markeredgecolor", get (h, "markeredgecolor"),
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268 "markersize", get (h, "markersize"));
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269 endfunction
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270
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271 function update_data (h, d)
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272 x = get (h, "xdata");
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273 y = get (h, "ydata");
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274
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275 sz = min ([size(x); size(y)]);
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276 x = x(1:sz(1), 1:sz(2));
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277 y = y(1:sz(1), 1:sz(2));
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278
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279 nr = length (x);
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280 len = 2 * nr - 1;
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281 xs = ys = zeros (1, len);
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282
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283 xs(1) = x(1);
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284 ys(1) = y(1);
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285
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286 xtmp = x(2:nr);
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287 ridx = 2:2:len-1;
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288 xs(ridx) = xtmp;
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289 ys(ridx) = y(1:nr-1);
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290
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291 ridx = 3:2:len;
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292 xs(ridx) = xtmp;
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293 ys(ridx) = y(2:nr);
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294
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295 set (get (h, "children"), "xdata", xs, "ydata", ys);
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296 endfunction
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297