Mercurial > hg > octave-nkf

annotate doc/interpreter/plotimages.m @ 10809:85cbd239fce2

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
try a better status bar for fltk backend
author Shai Ayal <shaiay@users.sourceforge.net>
date Tue, 20 Jul 2010 19:31:17 +0300
parents e76d8c767584
children d9c8916bb9dd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
9245
16f53d29049f update copyright notices
John W. Eaton <jwe@octave.org>
parents: 9088
diff changeset
1 ## Copyright (C) 2007, 2008, 2009 John W. Eaton and David Bateman
7018
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
2 ##
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
3 ## This file is part of Octave.
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
4 ##
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
5 ## Octave is free software; you can redistribute it and/or modify it
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
6 ## under the terms of the GNU General Public License as published by
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
7 ## the Free Software Foundation; either version 3 of the License, or (at
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
8 ## your option) any later version.
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
9 ##
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
10 ## Octave is distributed in the hope that it will be useful, but
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
13 ## General Public License for more details.
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
14 ##
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
15 ## You should have received a copy of the GNU General Public License
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
16 ## along with Octave; see the file COPYING. If not, see
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
17 ## <http://www.gnu.org/licenses/>.
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe]
jwe
parents: 6888
diff changeset
18
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
19 function plotimages (nm, typ)
9088
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
20 set_print_size ();
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
21 hide_output ();
7257
e8a3e3e33490 [project @ 2007-12-05 01:18:41 by jwe]
jwe
parents: 7256
diff changeset
22 if (strcmp (typ, "png"))
e8a3e3e33490 [project @ 2007-12-05 01:18:41 by jwe]
jwe
parents: 7256
diff changeset
23 set (0, "defaulttextfontname", "*");
e8a3e3e33490 [project @ 2007-12-05 01:18:41 by jwe]
jwe
parents: 7256
diff changeset
24 endif
9914
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
25 if (strcmp (typ, "eps"))
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
26 d_typ = "-depsc2";
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
27 else
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
28 d_typ = cstrcat ("-d", typ);
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
29 endif
9912
e9fe12c1b0c0 Set default papersize to the desired imagesize
Rik <rdrider0-list@yahoo.com>
parents: 9298
diff changeset
30
7256
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
31 if (strcmp(typ , "txt"))
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
32 image_as_txt(nm);
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
33 elseif (strcmp (nm, "plot"))
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
34 x = -10:0.1:10;
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
35 plot (x, sin (x));
9914
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
36 print (cstrcat (nm, ".", typ), d_typ)
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
37 elseif (strcmp (nm, "hist"))
9298
20ee7f9cc904 Correct bugs in plot images produced for documentation
Rik <rdrider0-list@yahoo.com>
parents: 9245
diff changeset
38 rand ("state", 2);
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
39 hist (randn (10000, 1), 30);
9914
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
40 print (cstrcat (nm, ".", typ), d_typ)
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
41 elseif (strcmp (nm, "errorbar"))
9298
20ee7f9cc904 Correct bugs in plot images produced for documentation
Rik <rdrider0-list@yahoo.com>
parents: 9245
diff changeset
42 rand ("state", 2);
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
43 x = 0:0.1:10;
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
44 y = sin (x);
9298
20ee7f9cc904 Correct bugs in plot images produced for documentation
Rik <rdrider0-list@yahoo.com>
parents: 9245
diff changeset
45 yl = 0.1 .* rand (size (x));
20ee7f9cc904 Correct bugs in plot images produced for documentation
Rik <rdrider0-list@yahoo.com>
parents: 9245
diff changeset
46 yu = 0.1 .* rand (size (x));
20ee7f9cc904 Correct bugs in plot images produced for documentation
Rik <rdrider0-list@yahoo.com>
parents: 9245
diff changeset
47 errorbar (x, sin (x), yl, yu);
20ee7f9cc904 Correct bugs in plot images produced for documentation
Rik <rdrider0-list@yahoo.com>
parents: 9245
diff changeset
48 axis ([0, 10, -1.1, 1.1]);
9914
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
49 print (cstrcat (nm, ".", typ), d_typ)
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
50 elseif (strcmp (nm, "polar"))
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
51 polar (0:0.1:10*pi, 0:0.1:10*pi);
9914
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
52 print (cstrcat (nm, ".", typ), d_typ)
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
53 elseif (strcmp (nm, "mesh"))
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
54 tx = ty = linspace (-8, 8, 41)';
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
55 [xx, yy] = meshgrid (tx, ty);
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
56 r = sqrt (xx .^ 2 + yy .^ 2) + eps;
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
57 tz = sin (r) ./ r;
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
58 mesh (tx, ty, tz);
9914
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
59 print (cstrcat (nm, ".", typ), d_typ)
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
60 elseif (strcmp (nm, "plot3"))
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
61 t = 0:0.1:10*pi;
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
62 r = linspace (0, 1, numel (t));
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
63 z = linspace (0, 1, numel (t));
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
64 plot3 (r.*sin(t), r.*cos(t), z);
9914
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
65 print (cstrcat (nm, ".", typ), d_typ)
7189
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7018
diff changeset
66 elseif (strcmp (nm, "extended"))
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7018
diff changeset
67 x = 0:0.01:3;
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7018
diff changeset
68 plot(x,erf(x));
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7018
diff changeset
69 hold on;
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7018
diff changeset
70 plot(x,x,"r");
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7018
diff changeset
71 axis([0, 3, 0, 1]);
7540
3422f39573b1 strcat.m: Matlab compatibility, with cstrcat.m replacing conventional strcat.m.
Ben Abbott <bpabbott@mac.com>
parents: 7257
diff changeset
72 text(0.65, 0.6175, cstrcat('\leftarrow x = {2/\surd\pi {\fontsize{16}',
7189
e8d953d03f6a [project @ 2007-11-26 20:42:09 by dbateman]
dbateman
parents: 7018
diff changeset
73 '\int_{\fontsize{8}0}^{\fontsize{8}x}} e^{-t^2} dt} = 0.6175'))
9914
e76d8c767584 Switch to color output for PostScript documentation images
Rik <rdrider0-list@yahoo.com>
parents: 9912
diff changeset
74 print (cstrcat (nm, ".", typ), d_typ)
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
75 else
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
76 error ("unrecognized plot requested");
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
77 endif
9088
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
78 hide_output ();
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
79 endfunction
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
80
9088
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
81 function set_print_size ()
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
82 image_size = [5.0, 3.5]; # in inches, 16:9 format
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
83 border = 0; # For postscript use 50/72
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
84 set (0, "defaultfigurepapertype", "<custom>");
9912
e9fe12c1b0c0 Set default papersize to the desired imagesize
Rik <rdrider0-list@yahoo.com>
parents: 9298
diff changeset
85 set (0, "defaultfigurepaperorientation", "landscape");
9088
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
86 set (0, "defaultfigurepapersize", image_size + 2*border);
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
87 set (0, "defaultfigurepaperposition", [border, border, image_size]);
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
88 endfunction
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
89
9912
e9fe12c1b0c0 Set default papersize to the desired imagesize
Rik <rdrider0-list@yahoo.com>
parents: 9298
diff changeset
90 ## Use this function before plotting commands and after every call to
e9fe12c1b0c0 Set default papersize to the desired imagesize
Rik <rdrider0-list@yahoo.com>
parents: 9298
diff changeset
91 ## print since print() resets output to stdout (unfortunately, gnpulot
e9fe12c1b0c0 Set default papersize to the desired imagesize
Rik <rdrider0-list@yahoo.com>
parents: 9298
diff changeset
92 ## can't pop output as it can the terminal type).
9088
77e71f3da3d6 Fix documentation image printing under new development code
Rik <rdrider0-list@yahoo.com>
parents: 8920
diff changeset
93 function hide_output ()
6888
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
94 f = figure (1);
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
95 set (f, "visible", "off");
b3d286e8a243 [project @ 2007-09-12 06:40:58 by jwe]
jwe
parents:
diff changeset
96 endfunction
7256
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
97
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
98 ## generate something for the texinfo @image command to process
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
99 function image_as_txt(nm)
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
100 fid = fopen (sprintf ("%s.txt", nm), "wt");
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
101 fputs (fid, "\n");
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
102 fputs (fid, "+---------------------------------+\n");
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
103 fputs (fid, "| Image unavailable in text mode. |\n");
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
104 fputs (fid, "+---------------------------------+\n");
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
105 fclose (fid);
be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe]
jwe
parents: 7189
diff changeset
106 endfunction