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update Octave Project Developers copyright for the new year In files that have the "Octave Project Developers" copyright notice, update for 2020.
author John W. Eaton <jwe@octave.org>
date Mon, 06 Jan 2020 22:29:51 -0500
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27919
1891570abac8 update Octave Project Developers copyright for the new year
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1 ## Copyright (C) 2010-2020 The Octave Project Developers
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2 ##
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3 ## See the file COPYRIGHT.md in the top-level directory of this distribution
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4 ## or <https://octave.org/COPYRIGHT.html/>.
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5 ##
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6 ##
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7 ## This file is part of Octave.
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8 ##
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9 ## Octave is free software: you can redistribute it and/or modify it
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10 ## under the terms of the GNU General Public License as published by
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11 ## the Free Software Foundation, either version 3 of the License, or
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12 ## (at your option) any later version.
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13 ##
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14 ## Octave is distributed in the hope that it will be useful, but
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15 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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16 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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17 ## GNU General Public License for more details.
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18 ##
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19 ## You should have received a copy of the GNU General Public License
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20 ## along with Octave; see the file COPYING. If not, see
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21 ## <https://www.gnu.org/licenses/>.
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22
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23 ## -*- texinfo -*-
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24 ## @deftypefn {} {@var{data_aspect_ratio} =} daspect ()
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25 ## @deftypefnx {} {} daspect (@var{data_aspect_ratio})
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26 ## @deftypefnx {} {} daspect (@var{mode})
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27 ## @deftypefnx {} {@var{data_aspect_ratio_mode} =} daspect ("mode")
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28 ## @deftypefnx {} {} daspect (@var{hax}, @dots{})
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29 ## Query or set the data aspect ratio of the current axes.
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30 ##
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31 ## The aspect ratio is a normalized 3-element vector representing the span of
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32 ## the x, y, and z-axis limits.
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33 ##
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34 ## @code{daspect (@var{mode})}
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35 ##
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36 ## Set the data aspect ratio mode of the current axes. @var{mode} is
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37 ## either @qcode{"auto"} or @qcode{"manual"}.
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38 ##
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39 ## @code{daspect (@qcode{"mode"})}
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40 ##
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41 ## Return the data aspect ratio mode of the current axes.
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42 ##
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43 ## @code{daspect (@var{hax}, @dots{})}
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44 ##
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45 ## Operate on the axes in handle @var{hax} instead of the current axes.
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46 ##
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47 ## @seealso{axis, pbaspect, xlim, ylim, zlim}
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48 ## @end deftypefn
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49
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50 ## Author: Ben Abbott <bpabbott@mac.com>
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51 ## Created: 2010-01-26
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52
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53 function daratio = daspect (varargin)
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54
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55 ## Grab axes handle if present
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56 if (nargin > 0)
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57 if (isscalar (varargin{1}) && isaxes (varargin{1}))
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58 hax = varargin{1};
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59 varargin = varargin(2:end);
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60 else
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61 hax = gca ();
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62 endif
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63 else
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64 hax = gca ();
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65 endif
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66
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67 nargin = numel (varargin);
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68 if (nargin > 1)
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69 print_usage ();
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70 endif
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71
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72 if (nargin == 0)
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73 daratio = get (hax, "dataaspectratio");
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74 else
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75 arg = varargin{1};
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76 if (isnumeric (arg))
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77 if (numel (arg) == 2)
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78 set (hax, "dataaspectratio", [arg, 1]);
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79 elseif (numel (arg) == 3)
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80 set (hax, "dataaspectratio", arg);
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81 else
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82 error ("daspect: DATA_ASPECT_RATIO must be a 2 or 3 element vector");
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83 endif
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84 elseif (ischar (arg))
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85 arg = tolower (arg);
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86 switch (arg)
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87 case "auto"
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88 set (hax, "dataaspectratiomode", "auto");
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89 case "manual"
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90 set (hax, "dataaspectratiomode", "manual");
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91 case "mode"
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92 daratio = get (hax, "dataaspectratiomode");
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93 otherwise
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94 error ("daspect: Invalid MODE <%s>", arg);
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95 endswitch
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96 else
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97 print_usage ();
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98 endif
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99 endif
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100
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101 endfunction
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103
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104 %!demo
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105 %! clf;
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106 %! x = 0:0.01:4;
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107 %! plot (x,cos(x), x,sin(x));
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108 %! axis square;
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109 %! daspect ([1 1 1]);
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110 %! title ("square plot box with axis limits [0, 4, -2, 2]");
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111
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112 %!demo
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113 %! clf;
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114 %! x = 0:0.01:4;
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115 %! plot (x,cos (x), x,sin (x));
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116 %! axis ([0 4 -1 1]);
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117 %! daspect ([2 1 1]);
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118 %! title ("square plot box with axis limits [0, 4, -1, 1]");
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119
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120 %!demo
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121 %! clf;
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122 %! x = 0:0.01:4;
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123 %! plot (x,cos(x), x,sin(x));
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124 %! daspect ([1 2 1]);
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125 %! pbaspect ([2 1 1]);
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126 %! title ("2x1 plot box with axis limits [0, 4, -2, 2]");
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127
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128 %!demo
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129 %! clf;
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130 %! x = 0:0.01:4;
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131 %! plot (x,cos(x), x, sin(x));
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132 %! axis square;
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133 %! set (gca, "activepositionproperty", "position");
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134 %! daspect ([1 1 1]);
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135 %! title ("square plot box with axis limits [0, 4, -2, 2]");
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136
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137 %!demo
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138 %! clf;
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139 %! x = 0:0.01:4;
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140 %! plot (x,cos(x), x,sin(x));
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141 %! axis ([0 4 -1 1]);
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142 %! set (gca, "activepositionproperty", "position");
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143 %! daspect ([2 1 1]);
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144 %! title ("square plot box with axis limits [0, 4, -1, 1]");
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145
17154
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Rik <rik@octave.org>
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146 ## FIXME: need some input validation tests