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annotate doc/interpreter/plotimages.m @ 20342:c3c1fb44f9b5

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eliminate recursive make invocations in doc directory tree * doc/module.mk: New file created from doc/Makefile.am, doc/doxyhtml/Makefile.am, doc/liboctave/Makefile, doc/interpreter/Makefile.am, and doc/refcard/Makefile. * configure.ac (AC_OUTPUT): Don't generate doc/Makefile, doc/doxyhtml/Makefile, or doc/interpreter/Makefile. * Makefile.am (.NOTPARALLEL, AUTHORS, BUGS, INSTALL.OCTAVE): Delete targets. * config-images.sh, find-docstring-files.sh, geometryimages.m, graphics_properties.mk, images.awk, interpimages.m, plotimages.m, sparseimages.m, splineimages.m: Adapt to Makefile changes. * octave.texi, liboctave.texi: Use unique version file names. * etc/module.mk: Ensure icons build directory is created. (etc/icons/octave-logo.ico): Fix file name. * examples/module.mk (examples_code_SRC): New variable. * doc/Makefile.am, doc/doxyhtml/Makefile.am, doc/liboctave/Makefile.am, doc/interpreter/Makefile.am, doc/refcard/Makefile: Delete.
author John W. Eaton <jwe@octave.org>
date Fri, 03 Jul 2015 19:33:19 -0400
parents b254a2e0859c
children b9d4ccf4291c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
19731
4197fc428c7d maint: Update copyright notices for 2015.
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1 ## Copyright (C) 2007-2015 John W. Eaton and David Bateman
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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 function plotimages (d, nm, typ)
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20 graphics_toolkit ("gnuplot");
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21 set_print_size ();
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22 hide_output ();
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23 outfile = fullfile (d, strcat (nm, ".", typ));
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24 if (strcmp (typ, "png"))
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25 set (0, "defaulttextfontname", "*");
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26 endif
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27 if (strcmp (typ, "eps"))
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28 d_typ = "-depsc2";
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29 else
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30 d_typ = ["-d", typ];
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31 endif
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32
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33 if (strcmp(typ , "txt"))
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34 image_as_txt(d, nm);
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35 elseif (strcmp (nm, "plot"))
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36 x = -10:0.1:10;
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37 plot (x, sin (x));
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38 xlabel ("x");
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39 ylabel ("sin (x)");
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40 title ("Simple 2-D Plot");
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41 print (outfile, d_typ);
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42 elseif (strcmp (nm, "hist"))
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43 randn ("state", 1);
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44 hist (randn (10000, 1), 30);
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45 xlabel ("Value");
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46 ylabel ("Count");
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47 title ("Histogram of 10,000 normally distributed random numbers");
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48 print (outfile, d_typ);
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49 elseif (strcmp (nm, "errorbar"))
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50 rand ("state", 2);
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51 x = 0:0.1:10;
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52 y = sin (x);
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53 yl = 0.1 .* rand (size (x));
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54 yu = 0.1 .* rand (size (x));
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55 errorbar (x, sin (x), yl, yu);
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56 axis ([0, 10, -1.1, 1.1]);
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57 xlabel ("x");
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58 ylabel ("sin (x)");
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59 title ("Errorbar plot of sin (x)");
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60 print (outfile, d_typ);
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61 elseif (strcmp (nm, "polar"))
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62 polar (0:0.1:10*pi, 0:0.1:10*pi);
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63 title ("Example polar plot from 0 to 10*pi");
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64 print (outfile, d_typ);
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65 elseif (strcmp (nm, "mesh"))
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66 tx = ty = linspace (-8, 8, 41)';
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67 [xx, yy] = meshgrid (tx, ty);
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68 r = sqrt (xx .^ 2 + yy .^ 2) + eps;
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69 tz = sin (r) ./ r;
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70 mesh (tx, ty, tz);
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71 xlabel ("tx");
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72 ylabel ("ty");
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73 zlabel ("tz");
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74 title ("3-D Sombrero plot");
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75 print (outfile, d_typ);
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76 elseif (strcmp (nm, "plot3"))
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77 t = 0:0.1:10*pi;
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78 r = linspace (0, 1, numel (t));
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79 z = linspace (0, 1, numel (t));
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80 plot3 (r.*sin(t), r.*cos(t), z);
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81 xlabel ("r.*sin (t)");
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82 ylabel ("r.*cos (t)");
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83 zlabel ("z");
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84 title ("plot3 display of 3-D helix");
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85 print (outfile, d_typ);
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86 elseif (strcmp (nm, "extended"))
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87 x = 0:0.01:3;
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88 plot (x,erf(x));
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89 hold on;
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90 plot (x,x,"r");
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91 axis ([0, 3, 0, 1]);
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92 text (0.65, 0.6175, ['\leftarrow x = {2/\surd\pi {\fontsize{16}' ...
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93 '\int_{\fontsize{8}0}^{\fontsize{8}x}} e^{-t^2} dt} = 0.6175']);
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94 xlabel ("x");
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95 ylabel ("erf (x)");
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96 title ("erf (x) with text annotation");
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97 print (outfile, d_typ);
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98 else
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99 error ("unrecognized plot requested");
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100 endif
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101 hide_output ();
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102 endfunction
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103
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104 function set_print_size ()
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105 image_size = [5.0, 3.5]; # in inches, 16:9 format
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106 border = 0; # For postscript use 50/72
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107 set (0, "defaultfigurepapertype", "<custom>");
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108 set (0, "defaultfigurepaperorientation", "landscape");
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109 set (0, "defaultfigurepapersize", image_size + 2*border);
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110 set (0, "defaultfigurepaperposition", [border, border, image_size]);
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111 endfunction
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112
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113 ## Use this function before plotting commands and after every call to
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114 ## print since print() resets output to stdout (unfortunately, gnpulot
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115 ## can't pop output as it can the terminal type).
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116 function hide_output ()
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117 f = figure (1);
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118 set (f, "visible", "off");
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119 endfunction
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120
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121 ## generate something for the texinfo @image command to process
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122 function image_as_txt(d, nm)
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123 fid = fopen (fullfile (d, strcat (nm, ".txt")), "wt");
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124 fputs (fid, "\n");
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125 fputs (fid, "+---------------------------------+\n");
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126 fputs (fid, "| Image unavailable in text mode. |\n");
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127 fputs (fid, "+---------------------------------+\n");
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128 fclose (fid);
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129 endfunction