octave-nkf: scripts/image/rainbow.m annotate

annotate scripts/image/rainbow.m @ 14640:b9c02ee24de1

new colormap options * colormap.m: New options, list, register, and unregister. * NEWS: Note new colormap options. * autumn.m, bone.m, cool.m, copper.m, flag.m, gmap40.m, gray.m, hot.m, hsv.m, jet.m, lines.m, ocean.m, pink.m, prism.m, rainbow.m, spring.m, summer.m, winter: Always size and return 0x3 when size < 1. Include PKD_ADD and PKG_DEL commands to register and unregister colormap funtions.

author	Carnë Draug <carandraug+dev@gmail.com>
date	Wed, 16 May 2012 16:52:08 -0400
parents	86854d032a37
children	5f1d4def40e1

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} =} rainbow ()
466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	21 ## @deftypefnx {Function File} {@var{map} =} rainbow (@var{n})
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	22 ## Create color colormap. This colormap ranges from red through orange,
c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	23 ## yellow, green, blue, to violet.
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
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	31 ## this colormap is not part of matlab, it is like the prism
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	32 ## colormap map but with a continuous map
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	33
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14552 diff changeset	34 ## PKG_ADD: colormap ("register", "rainbow");
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14552 diff changeset	35 ## PKG_DEL: colormap ("unregister", "rainbow");
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14552 diff changeset	36
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	37 function map = rainbow (n)
466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	38
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	39 if (nargin == 0)
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	40 n = rows (colormap);
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	41 elseif (nargin == 1)
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	42 if (! isscalar (n))
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	43 error ("rainbow: argument must be a scalar");
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 else
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	46 print_usage ();
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	47 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	48
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	49 if (n == 1)
11587 c792872f8942 all script files: untabify and strip trailing whitespace John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	50 map = [1, 0, 0];
11420 466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	51 elseif (n > 1)
466ba499eff5 Update docstrings for colormap files. Rik <octave@nomad.inbox5.com> parents: 9751 diff changeset	52 x = linspace (0, 1, n)';
14369 932ba2bb9060 rainbow.m: Reformat and fix typo (bug #35549) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14279 diff changeset	53
14552 86854d032a37 maint: miscellaneous style fixes for .m files John W. Eaton <jwe@octave.org> parents: 14369 diff changeset	54 r = ((x < 2/5)
86854d032a37 maint: miscellaneous style fixes for .m files John W. Eaton <jwe@octave.org> parents: 14369 diff changeset	55 + (x >= 2/5 & x < 3/5) .* (-5 * x + 3)
86854d032a37 maint: miscellaneous style fixes for .m files John W. Eaton <jwe@octave.org> parents: 14369 diff changeset	56 + (x >= 4/5) .* (10/3 * x - 8/3));
14369 932ba2bb9060 rainbow.m: Reformat and fix typo (bug #35549) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14279 diff changeset	57
14552 86854d032a37 maint: miscellaneous style fixes for .m files John W. Eaton <jwe@octave.org> parents: 14369 diff changeset	58 g = ((x < 2/5) .* (5/2 * x)
86854d032a37 maint: miscellaneous style fixes for .m files John W. Eaton <jwe@octave.org> parents: 14369 diff changeset	59 + (x >= 2/5 & x < 3/5)
86854d032a37 maint: miscellaneous style fixes for .m files John W. Eaton <jwe@octave.org> parents: 14369 diff changeset	60 + (x >= 3/5 & x < 4/5) .* (-5 * x + 4));
14369 932ba2bb9060 rainbow.m: Reformat and fix typo (bug #35549) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14279 diff changeset	61
14552 86854d032a37 maint: miscellaneous style fixes for .m files John W. Eaton <jwe@octave.org> parents: 14369 diff changeset	62 b = (x >= 3/5 & x < 4/5) .* (5 * x - 3) + (x >= 4/5);
14369 932ba2bb9060 rainbow.m: Reformat and fix typo (bug #35549) Jordi Gutiérrez Hermoso <jordigh@octave.org> parents: 14279 diff changeset	63
6788 c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	64 map = [r, g, b];
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	65 else
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	66 map = [];
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	67 endif
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	68
c81a0f3f5a82 [project @ 2007-07-23 22:05:29 by dbateman] dbateman parents: diff changeset	69 endfunction
9751 2b0cc0b6db61 Add demos for colormap functions Soren Hauberg <hauberg@gmail.com> parents: 9245 diff changeset	70
14237 11949c9795a0 Revamp %!demos in m-files to use Octave coding conventions on spacing, etc. Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	71
9751 2b0cc0b6db61 Add demos for colormap functions Soren Hauberg <hauberg@gmail.com> parents: 9245 diff changeset	72 %!demo
2b0cc0b6db61 Add demos for colormap functions Soren Hauberg <hauberg@gmail.com> parents: 9245 diff changeset	73 %! ## Show the 'rainbow' 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	74 %! 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	75 %! 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	76 %! colormap (rainbow (64));
9751 2b0cc0b6db61 Add demos for colormap functions Soren Hauberg <hauberg@gmail.com> parents: 9245 diff changeset	77

Mercurial > octave-nkf

annotate scripts/image/rainbow.m @ 14640:b9c02ee24de1