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doc: Tweak docstrings of functions changed for Texinfo 5.0 compatibility. * scripts/audio/wavread.m, scripts/miscellaneous/getappdata.m, scripts/miscellaneous/license.m, scripts/miscellaneous/ver.m, scripts/plot/daspect.m, scripts/plot/graphics_toolkit.m, scripts/plot/pbaspect.m, scripts/polynomial/splinefit.m, scripts/set/union.m, scripts/signal/freqz.m: Improve docstring wording.
author Rik <rik@octave.org>
date Wed, 10 Apr 2013 22:43:30 -0700
parents 36dba9be680b
children eaab03308c0b
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1 ## Copyright (C) 2010-2012 Ben Abbott
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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} {@var{data_aspect_ratio} =} daspect ()
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21 ## @deftypefnx {Function File} {} daspect (@var{data_aspect_ratio})
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22 ## @deftypefnx {Function File} {} daspect (@var{mode})
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23 ## @deftypefnx {Function File} {@var{data_aspect_ratio_mode} =} daspect ("mode")
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24 ## @deftypefnx {Function File} {} daspect (@var{hax}, @dots{})
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25 ## Query or set the data aspect ratio of the current axes. The aspect
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26 ## ratio is a normalized 3-element vector representing the span of the x, y,
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27 ## and z-axis limits.
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28 ##
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29 ## @code{(daspect (@var{mode}))}
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30 ##
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31 ## Set the data aspect ratio mode of the current axes. @var{mode} is
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32 ## either "auto" or "manual".
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33 ##
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34 ## @code{daspect ("mode")}
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35 ##
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36 ## Return the data aspect ratio mode of the current axes.
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37 ##
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38 ## @code{daspect (@var{hax}, @dots{})}
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39 ##
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40 ## Operate on the axes in handle @var{hax} instead of the current axes.
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41 ##
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42 ## @seealso{axis, pbaspect, xlim, ylim, zlim}
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43 ## @end deftypefn
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44
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45 ## Author: Ben Abbott <bpabbott@mac.com>
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46 ## Created: 2010-01-26
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47
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48 function varargout = daspect (varargin)
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49
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50 hax = gca ();
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51
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52 if (nargin > 0)
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53 if (isscalar (varargin{1}) && ishandle (varargin{1}))
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54 hax = varargin{1};
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55 varargin = varargin(2:end);
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56 endif
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57 endif
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58 if (numel (varargin) > 0)
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59 if (numel (varargin) == 1)
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60 if (ischar (varargin{1})
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61 && any (strcmpi (varargin{1}, {"mode", "manual", "auto"})))
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62 switch (varargin{1})
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63 case "mode"
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64 if (nargout < 2)
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65 varargout{1} = get (hax, "dataaspectratiomode");
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66 return
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67 else
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68 error ("daspect: only one output is allowed");
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69 endif
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70 case "manual"
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71 set (hax, "dataaspectratiomode", "manual");
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72 case "auto"
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73 set (hax, "dataaspectratiomode", "auto");
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74 endswitch
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75 elseif (isreal (varargin{1}) && numel (varargin{1}) == 2)
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76 set (hax, "dataaspectratio", [varargin{1}, 1]);
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77 elseif (isreal (varargin{1}) && numel (varargin{1}) == 3)
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78 set (hax, "dataaspectratio", varargin{1});
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79 else
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80 error ("daspect: invalid input");
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81 endif
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82 elseif (numel (varargin) > 1)
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83 error ("daspect: too many inputs");
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84 endif
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85 elseif (nargout == 0)
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86 print_usage ();
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87 endif
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88
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89 if (nargout == 1)
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90 varargout{1} = get (hax, "dataaspectratio");
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91 elseif (nargout > 1)
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92 error ("daspect: only one output is allowed");
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93 endif
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94
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95 endfunction
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96
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97
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98 %!demo
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99 %! clf;
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100 %! x = 0:0.01:4;
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101 %! plot (x,cos(x), x,sin(x));
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102 %! axis square;
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103 %! daspect ([1 1 1]);
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104 %! title ('square plot-box with axis limits [0, 4, -2, 2]');
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105
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106 %!demo
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107 %! clf;
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108 %! x = 0:0.01:4;
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109 %! plot (x,cos (x), x,sin (x));
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110 %! axis ([0 4 -1 1]);
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111 %! daspect ([2 1 1]);
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112 %! title ('square plot-box with axis limits [0, 4, -1, 1]');
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113
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114 %!demo
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115 %! clf;
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116 %! x = 0:0.01:4;
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117 %! plot (x,cos(x), x,sin(x));
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118 %! daspect ([1 2 1]);
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119 %! pbaspect ([2 1 1]);
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120 %! title ('2x1 plot box with axis limits [0, 4, -2, 2]');
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121
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122 %!demo
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123 %! clf;
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124 %! x = 0:0.01:4;
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125 %! plot (x,cos(x), x, sin(x));
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126 %! axis square;
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127 %! set (gca, 'activepositionproperty', 'position');
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128 %! daspect ([1 1 1]);
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129 %! title ('square plot-box with axis limits [0, 4, -2, 2]');
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131 %!demo
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132 %! clf;
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133 %! x = 0:0.01:4;
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134 %! plot (x,cos(x), x,sin(x));
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135 %! axis ([0 4 -1 1]);
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136 %! set (gca, 'activepositionproperty', 'position');
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137 %! daspect ([2 1 1]);
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138 %! title ('square plot-box with axis limits [0, 4, -1, 1]');
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139