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

annotate scripts/image/colormap.m @ 20565:17e507df10e3

Set the default colormap to 'viridis' * script/image/colormap.m: set the default colormap to viridis instead of jet.

author	Carlo de Falco <carlo.defalco@polimi.it>
date	Thu, 01 Oct 2015 17:35:34 +0200
parents	4197fc428c7d
children	2480bbcd1333

rev	line source
19731 4197fc428c7d maint: Update copyright notices for 2015. John W. Eaton <jwe@octave.org> parents: 19701 diff changeset	1 ## Copyright (C) 1994-2015 John W. Eaton
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	2 ## Copyright (C) 2012 Carnë Draug
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	3 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	4 ## This file is part of Octave.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	5 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	6 ## Octave is free software; you can redistribute it and/or modify it
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	7 ## 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: 6895 diff changeset	8 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6895 diff changeset	9 ## your option) any later version.
2313 5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	10 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	11 ## Octave is distributed in the hope that it will be useful, but
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	14 ## General Public License for more details.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	15 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe] jwe parents: 2312 diff changeset	16 ## 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: 6895 diff changeset	17 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6895 diff changeset	18 ## <http://www.gnu.org/licenses/>.
1024 56520a75b5b3 [project @ 1995-01-11 20:30:04 by jwe] jwe parents: 904 diff changeset	19
3381 69b167451491 [project @ 1999-12-15 20:48:10 by jwe] jwe parents: 3373 diff changeset	20 ## -- texinfo --
14246 8b220af26cfb doc: Update docstring for colormap() Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	21 ## @deftypefn {Function File} {@var{cmap} =} colormap ()
8b220af26cfb doc: Update docstring for colormap() Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	22 ## @deftypefnx {Function File} {@var{cmap} =} colormap (@var{map})
8b220af26cfb doc: Update docstring for colormap() Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	23 ## @deftypefnx {Function File} {@var{cmap} =} colormap ("default")
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	24 ## @deftypefnx {Function File} {@var{cmap} =} colormap ("@var{map_name}")
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	25 ## @deftypefnx {Function File} {@var{cmap} =} colormap (@var{hax}, @dots{})
16947 24bb7dc754ed Document command form of colormap(). Carnë Draug <carandraug@octave.org> parents: 16946 diff changeset	26 ## @deftypefnx {Command} {} colormap @var{map_name}
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	27 ## @deftypefnx {Function File} {@var{cmaps} =} colormap ("list")
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	28 ## @deftypefnx {Function File} {} colormap ("register", "@var{name}")
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	29 ## @deftypefnx {Function File} {} colormap ("unregister", "@var{name}")
14260 1f911333ed3d doc: Update docstrings for functions in image/ directory Rik <octave@nomad.inbox5.com> parents: 14246 diff changeset	30 ## Query or set the current colormap.
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3381 diff changeset	31 ##
16946 92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	32 ## With no input arguments, @code{colormap} returns the current color map.
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	33 ##
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3238 diff changeset	34 ## @code{colormap (@var{map})} sets the current colormap to @var{map}. The
14260 1f911333ed3d doc: Update docstrings for functions in image/ directory Rik <octave@nomad.inbox5.com> parents: 14246 diff changeset	35 ## colormap should be an @var{n} row by 3 column matrix. The columns
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3238 diff changeset	36 ## contain red, green, and blue intensities respectively. All entries
14260 1f911333ed3d doc: Update docstrings for functions in image/ directory Rik <octave@nomad.inbox5.com> parents: 14246 diff changeset	37 ## must be between 0 and 1 inclusive. The new colormap is returned.
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3381 diff changeset	38 ##
6895 76e3d985ae56 [project @ 2007-09-13 18:22:38 by jwe] jwe parents: 6762 diff changeset	39 ## @code{colormap ("default")} restores the default colormap (the
20565 17e507df10e3 Set the default colormap to 'viridis' Carlo de Falco <carlo.defalco@polimi.it> parents: 19731 diff changeset	40 ## @code{virdis} map with 64 entries). The default colormap is returned.
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3381 diff changeset	41 ##
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	42 ## The map may also be specified by a string, @qcode{"@var{map_name}"}, where
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	43 ## @var{map_name} is the name of a function that returns a colormap.
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	44 ##
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	45 ## If the first argument @var{hax} is an axes handle, then the colormap for
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	46 ## the parent figure of @var{hax} is queried or set.
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	47 ##
16947 24bb7dc754ed Document command form of colormap(). Carnë Draug <carandraug@octave.org> parents: 16946 diff changeset	48 ## For convenience, it is also possible to use this function with the
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	49 ## command form, @code{colormap @var{map_name}}.
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	50 ##
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	51 ## @code{colormap ("list")} returns a cell array with all of the available
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	52 ## colormaps. The options @qcode{"register"} and @qcode{"unregister"}
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	53 ## add or remove the colormap @var{name} from this list.
16947 24bb7dc754ed Document command form of colormap(). Carnë Draug <carandraug@octave.org> parents: 16946 diff changeset	54 ##
20565 17e507df10e3 Set the default colormap to 'viridis' Carlo de Falco <carlo.defalco@polimi.it> parents: 19731 diff changeset	55 ## @seealso{virdis}
3373 36405da8e173 [project @ 1999-11-23 20:54:17 by jwe] jwe parents: 3238 diff changeset	56 ## @end deftypefn
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	57
3202 44d82b369c78 [project @ 1998-10-29 20:27:57 by jwe] jwe parents: 3106 diff changeset	58 ## Author: Tony Richardson <arichard@stark.cc.oh.us>
2312 204cc7db6f4a [project @ 1996-07-11 21:20:36 by jwe] jwe parents: 2311 diff changeset	59 ## Created: July 1994
204cc7db6f4a [project @ 1996-07-11 21:20:36 by jwe] jwe parents: 2311 diff changeset	60 ## Adapted-By: jwe
904 3470f1e25a79 [project @ 1994-11-09 21:22:15 by jwe] jwe parents: 559 diff changeset	61
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	62 function cmap = colormap (varargin)
19644 965384560122 colormap.m: memory lock function to protect persistent variable from clear(). Carnë Draug <carandraug@octave.org> parents: 19627 diff changeset	63 mlock; # prevent map_list to be cleared by "clear all"
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	64 persistent map_list = cell ();
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	65
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	66 [hax, varargin, nargin] = __plt_get_axis_arg__ ("colormap", varargin{:});
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	67
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	68 if (nargin > 2)
5923 611e30b984b3 [project @ 2006-08-14 18:29:18 by jwe] jwe parents: 5443 diff changeset	69 print_usage ();
1062 1b3a87031641 [project @ 1995-01-24 02:54:50 by jwe] jwe parents: 1024 diff changeset	70 endif
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	71
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	72 if (! isempty (hax))
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	73 cf = ancestor (hax, "figure");
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	74 else
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	75 cf = get (0, "currentfigure");
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	76 endif
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	77
1024 56520a75b5b3 [project @ 1995-01-11 20:30:04 by jwe] jwe parents: 904 diff changeset	78 if (nargin == 1)
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	79 map = varargin{1};
5443 ec8c33dcd1bf [project @ 2005-09-08 01:40:57 by jwe] jwe parents: 5307 diff changeset	80 if (ischar (map))
1024 56520a75b5b3 [project @ 1995-01-11 20:30:04 by jwe] jwe parents: 904 diff changeset	81 if (strcmp (map, "default"))
20565 17e507df10e3 Set the default colormap to 'viridis' Carlo de Falco <carlo.defalco@polimi.it> parents: 19731 diff changeset	82 map = virdis (64);
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	83 elseif (strcmp (map, "list"))
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	84 cmap = map_list;
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	85 return;
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	86 else
6257 44c91c5dfe1d [project @ 2007-01-30 19:16:52 by jwe] jwe parents: 5923 diff changeset	87 map = feval (map);
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	88 endif
3238 041ea33fbbf4 [project @ 1999-03-26 17:48:16 by jwe] jwe parents: 3202 diff changeset	89 endif
041ea33fbbf4 [project @ 1999-03-26 17:48:16 by jwe] jwe parents: 3202 diff changeset	90
041ea33fbbf4 [project @ 1999-03-26 17:48:16 by jwe] jwe parents: 3202 diff changeset	91 if (! isempty (map))
15714 b1cd65881592 Clean up scripts in image directory. Rik <rik@octave.org> parents: 15683 diff changeset	92 if (! (isnumeric (map) && isreal (map)
b1cd65881592 Clean up scripts in image directory. Rik <rik@octave.org> parents: 15683 diff changeset	93 && ndims (map) == 2 && columns (map) == 3))
b1cd65881592 Clean up scripts in image directory. Rik <rik@octave.org> parents: 15683 diff changeset	94 error ("colormap: MAP must be a real-valued N x 3 ([R,G,B]) matrix");
3238 041ea33fbbf4 [project @ 1999-03-26 17:48:16 by jwe] jwe parents: 3202 diff changeset	95 endif
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14640 diff changeset	96 if (any (map(:) < 0) \|\| any (map(:) > 1))
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14640 diff changeset	97 error ("colormap: all MAP values must be in the range [0,1]");
3238 041ea33fbbf4 [project @ 1999-03-26 17:48:16 by jwe] jwe parents: 3202 diff changeset	98 endif
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	99 if (isempty (cf))
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	100 cf = gcf ();
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	101 endif
2303 5cffc4b8de57 [project @ 1996-06-24 09:15:24 by jwe] jwe parents: 1887 diff changeset	102 ## Set the new color map
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	103 set (cf, "colormap", map);
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	104 endif
3238 041ea33fbbf4 [project @ 1999-03-26 17:48:16 by jwe] jwe parents: 3202 diff changeset	105
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	106 elseif (nargin == 2)
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	107 opt = varargin{1};
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	108 name = varargin{2};
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	109 if (! ischar (opt) \|\| ! any (strcmp (opt, {"register", "unregister"})))
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	110 print_usage ();
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	111 elseif (! ischar (name))
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	112 error ("colormap: to register/unregister a colormap, NAME must be a string");
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	113 elseif (strcmp (opt, "register"))
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	114 map_list{end+1} = name;
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	115 elseif (strcmp (opt, "unregister"))
14640 b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	116 map_list(strcmp (name, map_list)) = [];
b9c02ee24de1 new colormap options Carnë Draug <carandraug+dev@gmail.com> parents: 14260 diff changeset	117 endif
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	118 endif
4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	119
2303 5cffc4b8de57 [project @ 1996-06-24 09:15:24 by jwe] jwe parents: 1887 diff changeset	120 ## Return current color map.
7108 60a1165732f9 [project @ 2007-11-06 22:05:18 by jwe] jwe parents: 7017 diff changeset	121 if (nargout > 0 \|\| (nargout == 0 && nargin == 0))
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	122 if (isempty (cf))
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	123 cf = gcf ();
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	124 endif
ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	125 cmap = get (cf, "colormap");
6762 721953d49b19 [project @ 2007-06-27 18:20:19 by jwe] jwe parents: 6257 diff changeset	126 endif
1024 56520a75b5b3 [project @ 1995-01-11 20:30:04 by jwe] jwe parents: 904 diff changeset	127
559 4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe] jwe parents: diff changeset	128 endfunction
15683 806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14640 diff changeset	129
806ea52af230 Overhaul m-files in image directory to provide better support for images stored as integers. Rik <rik@octave.org> parents: 14640 diff changeset	130
16946 92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	131 %!demo
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	132 %! ## Create an image for displaying a colormap
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	133 %! image (1:64, linspace (0, 1, 64), repmat ((1:64)', 1, 64));
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	134 %! axis ([1, 64, 0, 1], "ticy", "xy");
20565 17e507df10e3 Set the default colormap to 'viridis' Carlo de Falco <carlo.defalco@polimi.it> parents: 19731 diff changeset	135 %! ## Show 'virdis' colormap
17e507df10e3 Set the default colormap to 'viridis' Carlo de Falco <carlo.defalco@polimi.it> parents: 19731 diff changeset	136 %! colormap (virdis (64));
17e507df10e3 Set the default colormap to 'viridis' Carlo de Falco <carlo.defalco@polimi.it> parents: 19731 diff changeset	137 %! title "colormap (virdis (64))"
16946 92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	138 %! disp ("Press a key to continue");
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	139 %! pause ();
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	140 %! ## Show 'colorcube' colormap
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	141 %! colormap (colorcube (64));
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	142 %! title "colormap (colorcube (64))"
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	143
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	144 %!test
17305 ab71b9829752 colormap.m: Support axis handle as first argument. Rik <rik@octave.org> parents: 17281 diff changeset	145 %! hf = figure ("visible", "off");
19701 4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	146 %! unwind_protect
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	147 %! cmaptst = [0 1 0; 1 0 1; 1 1 1];
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	148 %! cmap = colormap (cmaptst);
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	149 %! assert (cmap, cmaptst);
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	150 %! cmap = colormap ();
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	151 %! assert (cmap, cmaptst);
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	152 %! cmap = (get (gcf, "colormap"));
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	153 %! assert (cmap, cmaptst);
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	154 %! colormap ("default");
20565 17e507df10e3 Set the default colormap to 'viridis' Carlo de Falco <carlo.defalco@polimi.it> parents: 19731 diff changeset	155 %! assert (colormap (), virdis (64));
19701 4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	156 %! colormap ("ocean");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	157 %! assert (colormap, ocean (64));
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	158 %! unwind_protect_cleanup
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	159 %! close (hf);
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	160 %! end_unwind_protect
16946 92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	161
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	162 %!test
19701 4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	163 %! hf = figure ("visible", "off");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	164 %! unwind_protect
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	165 %! cmaplst = colormap ("list");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	166 %! assert (iscell (cmaplst));
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	167 %! colormap ("register", "__mycmap__");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	168 %! cmaplst2 = colormap ("list");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	169 %! assert (numel (cmaplst2), numel (cmaplst) + 1);
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	170 %! assert (any (strcmp (cmaplst2, "__mycmap__")));
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	171 %! colormap ("unregister", "__mycmap__");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	172 %! cmaplst2 = colormap ("list");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	173 %! assert (numel (cmaplst2), numel (cmaplst));
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	174 %! assert (! any (strcmp (cmaplst2, "__mycmap__")));
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	175 %! ## Unregister again and verify that nothing has happened
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	176 %! colormap ("unregister", "__mycmap__");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	177 %! cmaplst3 = colormap ("list");
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	178 %! assert (isequal (cmaplst2, cmaplst3));
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	179 %! unwind_protect_cleanup
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	180 %! close (hf);
4b1a43786489 colormap.m: Don't show a figure during 'make check' Mike Miller <mtmiller@ieee.org> parents: 19644 diff changeset	181 %! end_unwind_protect
16946 92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	182
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	183 ## Test input validation
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	184 %!error colormap (1,2,3)
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	185 %!error <MAP must be a real-valued N x 3> colormap ({1,2,3})
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	186 %!error <MAP must be a real-valued N x 3> colormap ([1 i 1])
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	187 %!error <MAP must be a real-valued N x 3> colormap (ones(3,3,3))
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	188 %!error <MAP must be a real-valued N x 3> colormap ([1 0 1 0])
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	189 %!error <all MAP values must be in the range> colormap ([-1 0 0])
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	190 %!error <all MAP values must be in the range> colormap ([2 0 0])
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	191 %!error colormap ("invalid", "name")
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	192 %!error <NAME must be a string> colormap ("register", 1)
92f42d9f2ae4 colormap.m: Add demos, tests, and warning when using deprecated syntax. Rik <rik@octave.org> parents: 16766 diff changeset	193

Mercurial > octave-nkf

annotate scripts/image/colormap.m @ 20565:17e507df10e3