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annotate scripts/plot/copyobj.m @ 17535:c12c688a35ed default tip lyh

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Fix warnings
author LYH <lyh.kernel@gmail.com>
date Fri, 27 Sep 2013 17:43:27 +0800
parents e7723410ec32
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 ## Copyright (C) 2012 pdiribarne
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2 ##
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3 ## This program is free software; you can redistribute it and/or modify
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4 ## it under the terms of the GNU General Public License as published by
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5 ## the Free Software Foundation; either version 3 of the License, or
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6 ## (at your option) any later version.
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7 ##
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8 ## This program is distributed in the hope that it will be useful,
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9 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
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10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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11 ## GNU General Public License for more details.
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12 ##
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13 ## You should have received a copy of the GNU General Public License
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14 ## along with Octave; see the file COPYING. If not, see
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15 ## <http://www.gnu.org/licenses/>.
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16
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17 ## -*- texinfo -*-
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18 ## @deftypefn {Function File} {@var{hnew} =} copyobj (@var{horig})
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19 ## @deftypefnx {Function File} {@var{hnew} =} copyobj (@var{horig}, @var{hparent})
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20 ## Construct a copy of the graphic object associated with handle @var{horig}
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21 ## and return a handle @var{hnew} to the new object.
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22 ##
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23 ## If a parent handle @var{hparent} (root, figure, axes, or hggroup) is
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24 ## specified, the copied object will be created as a child of @var{hparent}.
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25 ## @seealso{struct2hdl, hdl2struct, findobj}
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26 ## @end deftypefn
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27
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28 ## Author: pdiribarne <pdiribarne@new-host.home>
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29 ## Created: 2012-04-01
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30
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31 function hnew = copyobj (horig, hparent = 0)
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32
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33 partypes = {"root", "figure", "axes", "hggroup"};
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34 othertypes = {"line", "patch", "surface", "image", "text"};
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35 alltypes = [partypes othertypes];
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36
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37 if (! ishandle (horig) || nargin > 2)
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38 print_usage ();
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39 elseif (! ishandle (hparent))
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40 hparent = figure (fix (hparent));
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41 elseif (! any (strcmpi (get (hparent).type, partypes)))
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42 print_usage ();
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43 endif
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44
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45 ## current figure and axes
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46 cf = gcf ();
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47 ca = gca ();
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48
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49 ## compatibility of input handles
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50 kididx = find (strcmp (alltypes, get (horig).type));
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51 paridx = find (strcmp (alltypes, get (hparent).type));
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52
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53 if (kididx <= paridx)
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54 error ("copyobj: %s object can't be children to %s.",
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55 alltypes{kididx}, alltypes{paridx});
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56 elseif (nargin == 1)
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57 str = hdl2struct (horig);
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58 hnew = struct2hdl (str);
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59 else
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60 str = hdl2struct (horig);
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61 hnew = struct2hdl (str, hparent);
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62 endif
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63
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64 ## reset current figure (and eventually axes) to original
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65 set (0, "currentfigure", cf);
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66 if (get (hnew, "parent") == cf)
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67 set (cf, "currentaxes", ca)
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68 endif
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69
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70 endfunction
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71
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72
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73 %!demo
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74 %! hdl = figure (1234);
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75 %! clf;
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76 %! hold on;
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77 %! x = 1:10;
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78 %! y = x.^2;
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79 %! dy = 2 * (.2 * x);
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80 %! y2 = (x - 3).^2;
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81 %! hg = errorbar (x, y, dy,'#~');
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82 %! set (hg, 'marker', '^', 'markerfacecolor', rand (1,3));
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83 %! plot (x, y2, 'ok-');
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84 %! legend ('errorbar', 'line');
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85 %! hnew = copyobj (hdl);
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86
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87 %!demo
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88 %! ## FIXME: This demo fails occasionally for an obscure reason.
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89 %! ## It appears that there is something wrong with Octave code for patches.
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90 %! unwind_protect
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91 %! hdl = figure (1234);
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92 %! clf;
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93 %! subplot (2,2,1);
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94 %! hold on;
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95 %! contourf (rand (10, 10));
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96 %! colorbar ();
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97 %! subplot (2,2,2);
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98 %! quiver (rand (10, 10), rand (10, 10));
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99 %! subplot (2,2,3);
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100 %! colormap (jet (64));
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101 %! hold on;
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102 %! sombrero ();
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103 %! colorbar ('peer', gca, 'NorthOutside');
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104 %! subplot (2,2,4);
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105 %! imagesc (rand (30, 30));
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106 %! text (15, 15, 'Rotated text', ...
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107 %! 'HorizontAlalignment', 'Center', 'Rotation', 30);
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108 %! hnew = copyobj (hdl);
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109 %! unwind_protect_cleanup
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110 %! close all;
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111 %! end_unwind_protect
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112
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113 %!testif HAVE_MAGICK
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114 %! toolkit = graphics_toolkit ();
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115 %! graphics_toolkit ("gnuplot");
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116 %! unwind_protect
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117 %! h1 = figure ("visible", "off");
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118 %! x = 0:0.1:2*pi;
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119 %! y1 = sin (x);
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120 %! y2 = exp (x - 1);
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121 %! ax = plotyy (x,y1, x-1,y2, @plot, @semilogy);
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122 %! xlabel ("X");
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123 %! ylabel (ax(1), "Axis 1");
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124 %! ylabel (ax(2), "Axis 2");
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125 %! axes (ax(1));
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126 %! text (0.5, 0.5, "Left Axis", ...
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127 %! "color", [0 0 1], "horizontalalignment", "center");
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128 %! axes (ax(2));
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129 %! text (4.5, 80, "Right Axis", ...
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130 %! "color", [0 0.5 0], "horizontalalignment", "center");
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131 %! s1 = hdl2struct (h1);
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132 %! h2 = struct2hdl (s1);
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133 %! s2 = hdl2struct (h2);
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134 %! png1 = strcat (tmpnam (), ".png");
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135 %! png2 = strcat (tmpnam (), ".png");
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136 %! unwind_protect
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137 %! print (h1, png1);
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138 %! [img1, map1, alpha1] = imread (png1);
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139 %! print (h2, png2);
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140 %! [img2, map2, alpha2] = imread (png2);
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141 %! unwind_protect_cleanup
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142 %! unlink (png1);
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143 %! unlink (png2);
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144 %! end_unwind_protect
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145 %! assert (img1, img2);
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146 %! assert (map1, map2);
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147 %! assert (alpha1, alpha2);
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148 %! unwind_protect_cleanup
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149 %! close (h1);
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150 %! close (h2);
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151 %! graphics_toolkit (toolkit);
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152 %! end_unwind_protect
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153