octave-lyh: scripts/image/prism.m annotate

annotate scripts/image/prism.m @ 17535:c12c688a35ed default tip lyh

Fix warnings

author	LYH <lyh.kernel@gmail.com>
date	Fri, 27 Sep 2013 17:43:27 +0800
parents	1a800034d443
children

rev	line source
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 11587 diff changeset	1 ## Copyright (C) 1999-2012 Kai Habel
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	2 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	3 ## This file is part of Octave.
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	4 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	6 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6791 diff changeset	7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6791 diff changeset	8 ## your option) any later version.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	9 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	13 ## General Public License for more details.
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	14 ##
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	15 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6791 diff changeset	16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6791 diff changeset	17 ## <http://www.gnu.org/licenses/>.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	18
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	19 ## -- texinfo --
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	20 ## @deftypefn {Function File} {@var{map} =} prism ()
466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	21 ## @deftypefnx {Function File} {@var{map} =} prism (@var{n})
466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	22 ## Create color colormap. This colormap cycles through red, orange, yellow,
466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	23 ## green, blue and violet with each index change.
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	24 ## The argument @var{n} must be a scalar.
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	25 ## If unspecified, the length of the current colormap, or 64, is used.
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	26 ## @seealso{colormap}
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	27 ## @end deftypefn
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	28
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	29 ## Author: Kai Habel <kai.habel@gmx.de>
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	30
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14279 diff changeset	31 ## PKG_ADD: colormap ("register", "prism");
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14279 diff changeset	32 ## PKG_DEL: colormap ("unregister", "prism");
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14279 diff changeset	33
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	34 function map = prism (n)
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	35
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	36 if (nargin == 0)
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	37 n = rows (colormap);
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	38 elseif (nargin == 1)
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	39 if (! isscalar (n))
15720 1a800034d443 Colormap error() calls now report the input variable which is a problem. Rik <rik@octave.org> parents: 14641 diff changeset	40 error ("prism: N must be a scalar");
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	41 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	42 else
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	43 print_usage ();
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	44 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	45
14641 5f1d4def40e1 improve compatibility of colormap functions Carnë Draug <carandraug+dev@gmail.com> parents: 14640 diff changeset	46 if (n == 1)
5f1d4def40e1 improve compatibility of colormap functions Carnë Draug <carandraug+dev@gmail.com> parents: 14640 diff changeset	47 map = [1 0 0];
5f1d4def40e1 improve compatibility of colormap functions Carnë Draug <carandraug+dev@gmail.com> parents: 14640 diff changeset	48 elseif (n > 1)
5f1d4def40e1 improve compatibility of colormap functions Carnë Draug <carandraug+dev@gmail.com> parents: 14640 diff changeset	49 C = [1, 0, 0; 1, 1/2, 0; 1, 1, 0; 0, 1, 0; 0, 0, 1; 2/3, 0, 1];
5f1d4def40e1 improve compatibility of colormap functions Carnë Draug <carandraug+dev@gmail.com> parents: 14640 diff changeset	50 map = C(rem (0:(n-1), 6) + 1, :);
5f1d4def40e1 improve compatibility of colormap functions Carnë Draug <carandraug+dev@gmail.com> parents: 14640 diff changeset	51 else
5f1d4def40e1 improve compatibility of colormap functions Carnë Draug <carandraug+dev@gmail.com> parents: 14640 diff changeset	52 map = zeros (0, 3);
5f1d4def40e1 improve compatibility of colormap functions Carnë Draug <carandraug+dev@gmail.com> parents: 14640 diff changeset	53 endif
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	54
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	55 endfunction
9751 2b0cc0b6db61 Add demos for colormap functions Soren Hauberg <hauberg@gmail.com> parents: 9245 diff changeset	56
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	57
9751 2b0cc0b6db61 Add demos for colormap functions Soren Hauberg <hauberg@gmail.com> parents: 9245 diff changeset	58 %!demo
2b0cc0b6db61 Add demos for colormap functions Soren Hauberg <hauberg@gmail.com> parents: 9245 diff changeset	59 %! ## Show the 'prism' colormap as an image
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	60 %! image (1:64, linspace (0, 1, 64), repmat ((1:64)', 1, 64));
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	61 %! axis ([1, 64, 0, 1], "ticy", "xy");
11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	62 %! colormap (prism (64));
9751 2b0cc0b6db61 Add demos for colormap functions Soren Hauberg <hauberg@gmail.com> parents: 9245 diff changeset	63

Mercurial > hg > octave-lyh

annotate scripts/image/prism.m @ 17535:c12c688a35ed default tip lyh