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annotate scripts/testfun/compare_plot_demos.m @ 18874:c74673161752

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Add scripts to help validate plot results. * html_plot_demos_template.html, html_compare_plot_demos.m, compare_plot_demos.m, dump_demos.m: New files.
author Ben Abbott <bpabbott@mac.com>
date Sun, 22 Jan 2012 21:23:10 -0500
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18874
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1 ## Copyright (C) 2012 Ben Abbott <bpabbott@mac.com>
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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} {} compare_plot_demos ()
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21 ##
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22 ## Uses @code{dump_demos} and @code{html_compare} to produce an html
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23 ## comparison of the plot demos for each of Octave's graphics
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24 ## toolkits.
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25 ##
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26 ## A m-file names `dump_plots.m' will be created in the pwd. This function
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27 ## will be used to render and save the plot demo images.
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28 ##
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29 ## If they do not already exist, directories for each graphics toolkit
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30 ## are created. Each toolkit's directory will be populated with images
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31 ## of each plot demo in the png format.
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32 ##
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33 ## Finally, an htlm document named `compare_plot_demos.html' is produced.
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34 ## This page places each toolkits images side by side for a conventient
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35 ## comparison of the results.
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36 ##
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37 ## @deftypefnx {Function File} {} compare_plot_demos (@var{toolkits})
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38 ## @var{toolkits} is used to specify a subset of the available graphics
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39 ## toolkits. This list may also include `matlab'.
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40 ##
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41 ## @end deftypefn
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42
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43 ## Author: Ben Abbott <bpabbott@mac.com>
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44
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45 function compare_plot_demos (varargin)
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46
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47 in.toolkits = available_graphics_toolkits ();
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48 in.directory = "plot";
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49 in.fmt = "png";
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50 in.fcn_file = "";
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51 in.replace_images = false;
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52
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53 for n = 1:2:numel(varargin)
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54 if (! ischar (varargin{n}))
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55 print_usage ();
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56 else
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57 in.(varargin{n}) = varargin{n+1};
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58 endif
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59 endfor
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60
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61 if (ischar (in.toolkits))
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62 in.toolkits = {in.toolkits};
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63 elseif (! iscellstr (in.toolkits))
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64 error ("compare_plot_demos: Invalid value for ""toolkits""")
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65 endif
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66
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67 if (! ischar (in.directory))
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68 error ("compare_plot_demos: Invalid value for ""directory""")
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69 endif
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70
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71 if (! ischar (in.fmt))
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72 error ("compare_plot_demos: Invalid value for ""fmt""")
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73 endif
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74
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75 if (isempty (in.fcn_file))
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76 in.fcn_file = sprintf ("dump_%s_demos.m", in.directory);
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77 endif
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78
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79 ## Generate "dump_plots.m" for rendering/saving the plot demo images
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80 dump_demos ("plot", in.fcn_file, in.fmt)
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81
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82 [~, fcn_name] = fileparts (in.fcn_file);
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83
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84 ## Generate the plot demo images for each toolkit
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85 cwd = pwd ();
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86 unwind_protect
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87 addpath (pwd);
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88 for n = 1:numel(in.toolkits)
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89 dirs = dir ();
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90 dirs = dirs([dirs.isdir]);
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91 if (! any (strcmp ({dirs.name}, in.toolkits{n})))
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92 mkdir (in.toolkits{n})
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93 endif
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94 cd (in.toolkits{n})
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95 if (! isempty (dir (strcat ("*.", in.fmt))) && in.replace_images)
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96 delete (strcat ("*.", in.fmt))
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97 endif
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98 if (! strcmp (in.toolkits{n}, "matlab"))
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99 close all
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100 graphics_toolkit (in.toolkits{n});
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101 try
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102 eval (fcn_name);
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103 catch
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104 fprintf ("Error running plot demos for ""%s"" toolkit\n", in.toolkits{n})
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105 disp (lasterror)
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106 end_try_catch
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107 endif
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108 cd (cwd)
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109 endfor
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110 unwind_protect_cleanup
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111 rmpath (cwd);
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112 end_unwind_protect
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113
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114 ## Generate the html comparison of the images
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115 ## TODO - pass the toolkits{} to allow num of columns to be formated
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116 html_compare_plot_demos ("output", "compare_plot_demos.html")
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117
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118 endfunction
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119