octave: doc/interpreter/sparseimages.m annotate

annotate doc/interpreter/sparseimages.m @ 31706:597f3ee61a48 stable

update Octave Project Developers copyright for the new year

author	John W. Eaton <jwe@octave.org>
date	Fri, 06 Jan 2023 13:11:27 -0500
parents	796f54d4ddbf
children	3678187f4355

rev	line source
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	1 ########################################################################
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	2 ##
31706 597f3ee61a48 update Octave Project Developers copyright for the new year John W. Eaton <jwe@octave.org> parents: 30564 diff changeset	3 ## Copyright (C) 2006-2023 The Octave Project Developers
27918 b442ec6dda5c use centralized file for copyright info for individual contributors John W. Eaton <jwe@octave.org> parents: 27847 diff changeset	4 ##
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	5 ## See the file COPYRIGHT.md in the top-level directory of this
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	6 ## distribution or <https://octave.org/copyright/>.
7018 fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	7 ##
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	8 ## This file is part of Octave.
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	9 ##
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24462 diff changeset	10 ## Octave is free software: you can redistribute it and/or modify it
7018 fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	11 ## under the terms of the GNU General Public License as published by
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24462 diff changeset	12 ## the Free Software Foundation, either version 3 of the License, or
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	13 ## (at your option) any later version.
7018 fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	14 ##
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	15 ## Octave is distributed in the hope that it will be useful, but
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	16 ## WITHOUT ANY WARRANTY; without even the implied warranty of
22755 3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3a2b891d0b33 maint: Standardize Copyright formatting. Rik <rik@octave.org> parents: 22323 diff changeset	18 ## GNU General Public License for more details.
7018 fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	19 ##
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	20 ## You should have received a copy of the GNU General Public License
fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	21 ## along with Octave; see the file COPYING. If not, see
24534 194eb4bd202b maint: Update punctuation for GPL v3 license text. Rik <rik@octave.org> parents: 24462 diff changeset	22 ## <https://www.gnu.org/licenses/>.
27923 bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	23 ##
bd51beb6205e update formatting of copyright notices John W. Eaton <jwe@octave.org> parents: 27919 diff changeset	24 ########################################################################
7018 fd42779a8428 [project @ 2007-10-13 00:52:12 by jwe] jwe parents: 6257 diff changeset	25
20307 c3c1fb44f9b5 eliminate recursive make invocations in doc directory tree John W. Eaton <jwe@octave.org> parents: 19717 diff changeset	26 function sparseimages (d, nm, typ)
28620 45a9dcee45db doc: Short-circuit building txt images for manual (bug #57591). Rik <rik@octave.org> parents: 27923 diff changeset	27
45a9dcee45db doc: Short-circuit building txt images for manual (bug #57591). Rik <rik@octave.org> parents: 27923 diff changeset	28 if (strcmp (typ, "txt"))
45a9dcee45db doc: Short-circuit building txt images for manual (bug #57591). Rik <rik@octave.org> parents: 27923 diff changeset	29 txtimages (d, nm, 15, typ);
45a9dcee45db doc: Short-circuit building txt images for manual (bug #57591). Rik <rik@octave.org> parents: 27923 diff changeset	30 return;
45a9dcee45db doc: Short-circuit building txt images for manual (bug #57591). Rik <rik@octave.org> parents: 27923 diff changeset	31 endif
45a9dcee45db doc: Short-circuit building txt images for manual (bug #57591). Rik <rik@octave.org> parents: 27923 diff changeset	32
20335 b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	33 set_graphics_toolkit ();
9912 e9fe12c1b0c0 Set default papersize to the desired imagesize Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	34 set_print_size ();
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	35 hide_output ();
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	36 outfile = fullfile (d, [nm "." typ]);
7257 e8a3e3e33490 [project @ 2007-12-05 01:18:41 by jwe] jwe parents: 7256 diff changeset	37 if (strcmp (typ, "png"))
24462 8ff3c13d14c1 groot.m: New function to return handle of graphics root object. Rik <rik@octave.org> parents: 23220 diff changeset	38 set (groot, "defaulttextfontname", "*");
7257 e8a3e3e33490 [project @ 2007-12-05 01:18:41 by jwe] jwe parents: 7256 diff changeset	39 endif
9914 e76d8c767584 Switch to color output for PostScript documentation images Rik <rdrider0-list@yahoo.com> parents: 9912 diff changeset	40 if (strcmp (typ, "eps"))
e76d8c767584 Switch to color output for PostScript documentation images Rik <rdrider0-list@yahoo.com> parents: 9912 diff changeset	41 d_typ = "-depsc2";
e76d8c767584 Switch to color output for PostScript documentation images Rik <rdrider0-list@yahoo.com> parents: 9912 diff changeset	42 else
16994 333243133364 Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance. Rik <rik@octave.org> parents: 16170 diff changeset	43 d_typ = ["-d" typ];
9914 e76d8c767584 Switch to color output for PostScript documentation images Rik <rdrider0-list@yahoo.com> parents: 9912 diff changeset	44 endif
e76d8c767584 Switch to color output for PostScript documentation images Rik <rdrider0-list@yahoo.com> parents: 9912 diff changeset	45
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	46 if (! (__have_feature__ ("COLAMD")
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	47 && __have_feature__ ("CHOLMOD")
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	48 && __have_feature__ ("UMFPACK")))
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	49 ## There is no sparse matrix implementation available because
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	50 ## of missing libraries, plot sombreros instead.
22013 6267807eb70b build: fix doc build error when building without SuiteSparse Mike Miller <mtmiller@octave.org> parents: 21226 diff changeset	51 sombreroimage (outfile, typ, d_typ);
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	52 elseif (strcmp (nm, "gplot"))
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	53 A = sparse ([2,6,1,3,2,4,3,5,4,6,1,5],
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	54 [1,1,2,2,3,3,4,4,5,5,6,6], 1, 6, 6);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	55 xy = [0,4,8,6,4,2;5,0,5,7,5,7]';
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	56 gplot (A, xy);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	57 print (outfile, d_typ);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	58 elseif (strcmp (nm, "grid"))
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	59 femimages (outfile, d_typ);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	60 elseif (strcmp (nm, "spmatrix"))
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	61 n = 200;
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	62 a = 10*speye (n) + sparse (1:n,ceil ([1:n]/2),1,n,n) + ...
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	63 sparse (ceil ([1:n]/2),1:n,1,n,n);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	64 spy (a);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	65 axis ("ij");
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	66 print (outfile, d_typ);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	67 elseif (strcmp (nm, "spchol"))
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	68 n = 200;
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	69 a = 10*speye (n) + sparse (1:n,ceil ([1:n]/2),1,n,n) + ...
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	70 sparse (ceil ([1:n]/2),1:n,1,n,n);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	71 r1 = chol (a);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	72 spy (r1);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	73 axis ("ij");
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	74 print (outfile, d_typ);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	75 elseif (strcmp (nm, "spcholperm"))
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	76 n = 200;
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	77 a = 10*speye (n) + sparse (1:n,ceil ([1:n]/2),1,n,n) + ...
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	78 sparse (ceil ([1:n]/2),1:n,1,n,n);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	79 [r2,p2,q2] = chol (a);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	80 spy (r2);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	81 axis ("ij");
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	82 print (outfile, d_typ);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	83 else
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	84 error ("unrecognized plot requested");
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	85 endif
9912 e9fe12c1b0c0 Set default papersize to the desired imagesize Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	86 hide_output ();
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	87 endfunction
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	88
20307 c3c1fb44f9b5 eliminate recursive make invocations in doc directory tree John W. Eaton <jwe@octave.org> parents: 19717 diff changeset	89 function txtimages (d, nm, n, typ)
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	90 outfile = fullfile (d, [nm "." typ]);
17504 8b692d9ea54e Use Octave coding conventions for m-files which generate images for manual. Rik <rik@octave.org> parents: 16994 diff changeset	91 a = 10*speye (n) + sparse (1:n,ceil([1:n]/2),1,n,n) + ...
8b692d9ea54e Use Octave coding conventions for m-files which generate images for manual. Rik <rik@octave.org> parents: 16994 diff changeset	92 sparse (ceil ([1:n]/2),1:n,1,n,n);
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	93 if (strcmp (nm, "gplot") \|\| strcmp (nm, "grid"))
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	94 fid = fopen (outfile, "wt");
7256 be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe] jwe parents: 7018 diff changeset	95 fputs (fid, "\n");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	96 fputs (fid, "+---------------------------------+\n");
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	97 fputs (fid, "\| Image unavailable in text mode. \|\n");
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	98 fputs (fid, "+---------------------------------+\n");
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	99 fclose (fid);
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	100 elseif (strcmp (nm, "spmatrix"))
20307 c3c1fb44f9b5 eliminate recursive make invocations in doc directory tree John W. Eaton <jwe@octave.org> parents: 19717 diff changeset	101 printsparse (a, outfile);
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	102 elseif (strcmp (nm, "spchol"))
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	103 r1 = chol (a);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	104 printsparse (r1, outfile);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	105 elseif (strcmp (nm, "spcholperm"))
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	106 [r2,p2,q2] = chol (a);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	107 printsparse (r2, outfile);
9914 e76d8c767584 Switch to color output for PostScript documentation images Rik <rdrider0-list@yahoo.com> parents: 9912 diff changeset	108 else
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	109 error ("unrecognized plot requested");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	110 endif
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	111 endfunction
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	112
16994 333243133364 Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance. Rik <rik@octave.org> parents: 16170 diff changeset	113 function printsparse (a, nm)
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	114 fid = fopen (nm, "wt");
7256 be3280acbdb8 [project @ 2007-12-05 01:08:17 by jwe] jwe parents: 7018 diff changeset	115 fputs (fid, "\n");
16994 333243133364 Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance. Rik <rik@octave.org> parents: 16170 diff changeset	116 for i = 1:rows (a)
333243133364 Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance. Rik <rik@octave.org> parents: 16170 diff changeset	117 if (rem (i,5) == 0)
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	118 fprintf (fid, " %2d - ", i);
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	119 else
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	120 fprintf (fid, " \| ");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	121 endif
16994 333243133364 Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance. Rik <rik@octave.org> parents: 16170 diff changeset	122 for j = 1:columns (a)
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	123 if (a(i,j) == 0)
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	124 fprintf (fid, " ");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	125 else
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	126 fprintf (fid, " *");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	127 endif
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	128 endfor
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	129 fprintf (fid, "\n");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	130 endfor
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	131 fprintf (fid, " \|-");
17504 8b692d9ea54e Use Octave coding conventions for m-files which generate images for manual. Rik <rik@octave.org> parents: 16994 diff changeset	132 for j = 1:columns (a)
16994 333243133364 Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance. Rik <rik@octave.org> parents: 16170 diff changeset	133 if (rem (j,5) == 0)
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	134 fprintf (fid, "-\|");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	135 else
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	136 fprintf (fid, "--");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	137 endif
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	138 endfor
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	139 fprintf (fid, "\n");
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	140 fprintf (fid, " ");
17504 8b692d9ea54e Use Octave coding conventions for m-files which generate images for manual. Rik <rik@octave.org> parents: 16994 diff changeset	141 for j = 1:columns (a)
16994 333243133364 Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance. Rik <rik@octave.org> parents: 16170 diff changeset	142 if (rem (j,5) == 0)
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	143 fprintf (fid, "%2d", j);
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	144 else
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	145 fprintf (fid, " ");
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	146 endif
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	147 endfor
16994 333243133364 Use matrix concatenation for strings, rather than cstrcat(), for clarity and performance. Rik <rik@octave.org> parents: 16170 diff changeset	148 fclose (fid);
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	149 endfunction
7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	150
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	151 function femimages (outfile, d_typ)
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	152
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	153 ## build a rectangle
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	154 node_y = [1;1.2;1.5;1.8;2] * ones (1,11);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	155 node_x = ones (5,1) * [1,1.05,1.1,1.2,1.3,1.5,1.7,1.8,1.9,1.95,2];
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	156 nodes = [node_x(:), node_y(:)];
9914 e76d8c767584 Switch to color output for PostScript documentation images Rik <rdrider0-list@yahoo.com> parents: 9912 diff changeset	157
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	158 [h,w] = size (node_x);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	159 elems = [];
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	160 for idx = 1 : w-1
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	161 widx = (idx-1)*h;
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	162 elems = [elems; widx+[(1:h-1);(2:h);h+(1:h-1)]'];
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	163 elems = [elems; widx+[(2:h);h+(2:h);h+(1:h-1)]'];
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	164 endfor
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	165
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	166 E = size (elems,1); # No. of elements
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	167 N = size (nodes,1); # No. of elements
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	168 D = size (elems,2); # dimensions+1
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	169
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	170 ## Plot FEM Geometry
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	171 elemx = elems(:,[1,2,3,1])';
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	172 xelems = reshape (nodes(elemx, 1), 4, E);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	173 yelems = reshape (nodes(elemx, 2), 4, E);
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	174
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	175 ## Set element conductivity
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	176 conductivity = [1ones(1,16), 2ones(1,48), 1*ones(1,16)];
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	177
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	178 ## Dirichlet boundary conditions
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	179 D_nodes = [1:5, 51:55];
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	180 D_value = [10ones(1,5), 20ones(1,5)];
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	181
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	182 ## Neumann boundary conditions
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	183 ## Note that N_value must be normalized by the boundary
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	184 ## length and element conductivity
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	185 N_nodes = [];
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	186 N_value = [];
19593 446c46af4b42 strip trailing whitespace from most source files John W. Eaton <jwe@octave.org> parents: 17887 diff changeset	187
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	188 ## Calculate connectivity matrix
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	189 C = sparse ((1:DE), reshape (elems',DE,1),1, D*E, N);
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	190
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	191 ## Calculate stiffness matrix
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	192 Siidx = floor ([0:DE-1]'/D)Dones(1,D) + ones(DE,1)*(1:D);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	193 Sjidx = [1:DE]'ones (1,D);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	194 Sdata = zeros (D*E,D);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	195 dfact = prod (2:(D-1));
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	196 for j = 1:E
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	197 a = inv ([ ones(D,1), nodes( elems(j,:), : ) ]);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	198 const = conductivity(j)*2/dfact/abs (det (a));
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	199 Sdata(D(j-1)+(1:D),:) = const a(2:D,:)'*a(2:D,:);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	200 endfor
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	201
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	202 ## Element-wise system matrix
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	203 SE = sparse (Siidx,Sjidx,Sdata);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	204 ## Global system matrix
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	205 S = C'* SE *C;
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	206
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	207 ## Set Dirichlet boundary
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	208 V = zeros (N,1);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	209 V(D_nodes) = D_value;
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	210 idx = 1:N;
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	211 idx(D_nodes) = [];
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	212
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	213 ## Set Neumann boundary
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	214 Q = zeros (N,1);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	215 Q(N_nodes) = N_value; # FIXME
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	216
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	217 V(idx) = S(idx,idx) \ ( Q(idx) - S(idx,D_nodes)*V(D_nodes) );
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	218
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	219 velems = reshape (V(elemx), 4, E);
6178 830235f4984f [project @ 2006-11-17 00:16:57 by jwe] jwe parents: 6126 diff changeset	220
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	221 plot3 (xelems, yelems, velems);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	222 view (80, 10);
b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	223 print (outfile, d_typ);
6003 7f8e4f5e2eb7 [project @ 2006-09-26 21:09:31 by jwe] jwe parents: diff changeset	224 endfunction
6040 2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	225
2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	226 ## There is no sparse matrix implementation available because of missing
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	227 ## libraries, plot sombreros instead. Also plot a nice title that we are
6040 2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	228 ## sorry about that.
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	229 function sombreroimage (outfile, typ, d_typ)
6040 2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	230 if (strcmp (typ, "txt"))
20779 b6af3f77d1bd sparseimages.m: Rewrite to follow model of other doc-image-generating functions. Rik <rik@octave.org> parents: 20776 diff changeset	231 fid = fopen (outfile, "wt");
22013 6267807eb70b build: fix doc build error when building without SuiteSparse Mike Miller <mtmiller@octave.org> parents: 21226 diff changeset	232 fputs (fid, "+--------------------------------+\n");
6267807eb70b build: fix doc build error when building without SuiteSparse Mike Miller <mtmiller@octave.org> parents: 21226 diff changeset	233 fputs (fid, "\| Image unavailable because of a \|\n");
6267807eb70b build: fix doc build error when building without SuiteSparse Mike Miller <mtmiller@octave.org> parents: 21226 diff changeset	234 fputs (fid, "\| missing SuiteSparse library. \|\n");
6267807eb70b build: fix doc build error when building without SuiteSparse Mike Miller <mtmiller@octave.org> parents: 21226 diff changeset	235 fputs (fid, "+--------------------------------+\n");
6040 2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	236 fclose (fid);
2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	237 return;
20316 d8992a16643c doc: Clean up m-files which generate images for Manual. Rik <rik@octave.org> parents: 20307 diff changeset	238 else
17504 8b692d9ea54e Use Octave coding conventions for m-files which generate images for manual. Rik <rik@octave.org> parents: 16994 diff changeset	239 [x, y, z] = sombrero ();
6040 2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	240 unwind_protect
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 6180 diff changeset	241 mesh (x, y, z);
22013 6267807eb70b build: fix doc build error when building without SuiteSparse Mike Miller <mtmiller@octave.org> parents: 21226 diff changeset	242 title ({"Sorry, graphics are unavailable because Octave was",
6267807eb70b build: fix doc build error when building without SuiteSparse Mike Miller <mtmiller@octave.org> parents: 21226 diff changeset	243 "compiled without the SuiteSparse library."});
6040 2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	244 unwind_protect_cleanup
20307 c3c1fb44f9b5 eliminate recursive make invocations in doc directory tree John W. Eaton <jwe@octave.org> parents: 19717 diff changeset	245 print (outfile, d_typ);
9912 e9fe12c1b0c0 Set default papersize to the desired imagesize Rik <rdrider0-list@yahoo.com> parents: 8920 diff changeset	246 hide_output ();
6040 2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	247 end_unwind_protect
2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	248 endif
2bcb2fa24bbf [project @ 2006-10-09 15:13:29 by jwe] jwe parents: 6003 diff changeset	249 endfunction
7262 16e61aecddc1 [project @ 2007-12-05 20:50:47 by jwe] jwe parents: 7257 diff changeset	250
20335 b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	251 ## This function no longer sets the graphics toolkit; That is now done
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	252 ## automatically by C++ code which will ordinarily choose 'qt', but might
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	253 ## choose gnuplot on older systems. Only a complete lack of plotting is a
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	254 ## problem.
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	255 function set_graphics_toolkit ()
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	256 if (isempty (available_graphics_toolkits ()))
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	257 error ("no graphics toolkit available for plotting");
24798 45470049a43f Allow getframe and print to work without osmesa (bug #53186). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24534 diff changeset	258 elseif (strcmp ("qt", graphics_toolkit ())
25428 2b3c3c8c8360 Properly test Qt offscreen printing during manual figures generation. Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 25054 diff changeset	259 && __have_feature__ ("QT_OFFSCREEN"))
24798 45470049a43f Allow getframe and print to work without osmesa (bug #53186). Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 24534 diff changeset	260 ## Use qt with QOffscreenSurface for plot
27847 56d94f86a659 Don't test presence of OSMESA which will always fail (bug #57424) Pantxo Diribarne <pantxo.diribarne@gmail.com> parents: 26376 diff changeset	261 elseif (! strcmp ("gnuplot", graphics_toolkit ()))
20885 e5f78891ad9e Allow doc's images to be generated using gnuplot when osmesa isn't available. Ben Abbott <bpabbott@mac.com> parents: 20779 diff changeset	262 if (! any (strcmp ("gnuplot", available_graphics_toolkits ())))
e5f78891ad9e Allow doc's images to be generated using gnuplot when osmesa isn't available. Ben Abbott <bpabbott@mac.com> parents: 20779 diff changeset	263 error ("no graphics toolkit available for offscreen plotting");
e5f78891ad9e Allow doc's images to be generated using gnuplot when osmesa isn't available. Ben Abbott <bpabbott@mac.com> parents: 20779 diff changeset	264 else
e5f78891ad9e Allow doc's images to be generated using gnuplot when osmesa isn't available. Ben Abbott <bpabbott@mac.com> parents: 20779 diff changeset	265 graphics_toolkit ("gnuplot");
e5f78891ad9e Allow doc's images to be generated using gnuplot when osmesa isn't available. Ben Abbott <bpabbott@mac.com> parents: 20779 diff changeset	266 endif
20335 b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	267 endif
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	268 endfunction
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	269
20316 d8992a16643c doc: Clean up m-files which generate images for Manual. Rik <rik@octave.org> parents: 20307 diff changeset	270 function set_print_size ()
d8992a16643c doc: Clean up m-files which generate images for Manual. Rik <rik@octave.org> parents: 20307 diff changeset	271 image_size = [5.0, 3.5]; # in inches, 16:9 format
d8992a16643c doc: Clean up m-files which generate images for Manual. Rik <rik@octave.org> parents: 20307 diff changeset	272 border = 0; # For postscript use 50/72
24462 8ff3c13d14c1 groot.m: New function to return handle of graphics root object. Rik <rik@octave.org> parents: 23220 diff changeset	273 set (groot, "defaultfigurepapertype", "<custom>");
8ff3c13d14c1 groot.m: New function to return handle of graphics root object. Rik <rik@octave.org> parents: 23220 diff changeset	274 set (groot, "defaultfigurepaperorientation", "landscape");
8ff3c13d14c1 groot.m: New function to return handle of graphics root object. Rik <rik@octave.org> parents: 23220 diff changeset	275 set (groot, "defaultfigurepapersize", image_size + 2*border);
8ff3c13d14c1 groot.m: New function to return handle of graphics root object. Rik <rik@octave.org> parents: 23220 diff changeset	276 set (groot, "defaultfigurepaperposition", [border, border, image_size]);
20316 d8992a16643c doc: Clean up m-files which generate images for Manual. Rik <rik@octave.org> parents: 20307 diff changeset	277 endfunction
d8992a16643c doc: Clean up m-files which generate images for Manual. Rik <rik@octave.org> parents: 20307 diff changeset	278
20335 b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	279 ## Use this function before plotting commands and after every call to print
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	280 ## since print() resets output to stdout (unfortunately, gnuplot can't pop
b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	281 ## output as it can the terminal type).
20316 d8992a16643c doc: Clean up m-files which generate images for Manual. Rik <rik@octave.org> parents: 20307 diff changeset	282 function hide_output ()
20335 b439ccc9a162 doc: Improve building of images for the Manual. Rik <rik@octave.org> parents: 20316 diff changeset	283 hf = figure (1, "visible", "off");
20316 d8992a16643c doc: Clean up m-files which generate images for Manual. Rik <rik@octave.org> parents: 20307 diff changeset	284 endfunction

Mercurial > octave

annotate doc/interpreter/sparseimages.m @ 31706:597f3ee61a48 stable