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

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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
comparison
equal deleted inserted replaced
20564:2e7a09136516 20565:17e507df10e3
35 ## colormap should be an @var{n} row by 3 column matrix. The columns 35 ## colormap should be an @var{n} row by 3 column matrix. The columns
36 ## contain red, green, and blue intensities respectively. All entries 36 ## contain red, green, and blue intensities respectively. All entries
37 ## must be between 0 and 1 inclusive. The new colormap is returned. 37 ## must be between 0 and 1 inclusive. The new colormap is returned.
38 ## 38 ##
39 ## @code{colormap ("default")} restores the default colormap (the 39 ## @code{colormap ("default")} restores the default colormap (the
40 ## @code{jet} map with 64 entries). The default colormap is returned. 40 ## @code{virdis} map with 64 entries). The default colormap is returned.
41 ## 41 ##
42 ## The map may also be specified by a string, @qcode{"@var{map_name}"}, where 42 ## The map may also be specified by a string, @qcode{"@var{map_name}"}, where
43 ## @var{map_name} is the name of a function that returns a colormap. 43 ## @var{map_name} is the name of a function that returns a colormap.
44 ## 44 ##
45 ## If the first argument @var{hax} is an axes handle, then the colormap for 45 ## If the first argument @var{hax} is an axes handle, then the colormap for
50 ## 50 ##
51 ## @code{colormap ("list")} returns a cell array with all of the available 51 ## @code{colormap ("list")} returns a cell array with all of the available
52 ## colormaps. The options @qcode{"register"} and @qcode{"unregister"} 52 ## colormaps. The options @qcode{"register"} and @qcode{"unregister"}
53 ## add or remove the colormap @var{name} from this list. 53 ## add or remove the colormap @var{name} from this list.
54 ## 54 ##
55 ## @seealso{jet} 55 ## @seealso{virdis}
56 ## @end deftypefn 56 ## @end deftypefn
57 57
58 ## Author: Tony Richardson <arichard@stark.cc.oh.us> 58 ## Author: Tony Richardson <arichard@stark.cc.oh.us>
59 ## Created: July 1994 59 ## Created: July 1994
60 ## Adapted-By: jwe 60 ## Adapted-By: jwe
77 77
78 if (nargin == 1) 78 if (nargin == 1)
79 map = varargin{1}; 79 map = varargin{1};
80 if (ischar (map)) 80 if (ischar (map))
81 if (strcmp (map, "default")) 81 if (strcmp (map, "default"))
82 map = jet (64); 82 map = virdis (64);
83 elseif (strcmp (map, "list")) 83 elseif (strcmp (map, "list"))
84 cmap = map_list; 84 cmap = map_list;
85 return; 85 return;
86 else 86 else
87 map = feval (map); 87 map = feval (map);
130 130
131 %!demo 131 %!demo
132 %! ## Create an image for displaying a colormap 132 %! ## Create an image for displaying a colormap
133 %! image (1:64, linspace (0, 1, 64), repmat ((1:64)', 1, 64)); 133 %! image (1:64, linspace (0, 1, 64), repmat ((1:64)', 1, 64));
134 %! axis ([1, 64, 0, 1], "ticy", "xy"); 134 %! axis ([1, 64, 0, 1], "ticy", "xy");
135 %! ## Show 'jet' colormap 135 %! ## Show 'virdis' colormap
136 %! colormap (jet (64)); 136 %! colormap (virdis (64));
137 %! title "colormap (jet (64))" 137 %! title "colormap (virdis (64))"
138 %! disp ("Press a key to continue"); 138 %! disp ("Press a key to continue");
139 %! pause (); 139 %! pause ();
140 %! ## Show 'colorcube' colormap 140 %! ## Show 'colorcube' colormap
141 %! colormap (colorcube (64)); 141 %! colormap (colorcube (64));
142 %! title "colormap (colorcube (64))" 142 %! title "colormap (colorcube (64))"
150 %! cmap = colormap (); 150 %! cmap = colormap ();
151 %! assert (cmap, cmaptst); 151 %! assert (cmap, cmaptst);
152 %! cmap = (get (gcf, "colormap")); 152 %! cmap = (get (gcf, "colormap"));
153 %! assert (cmap, cmaptst); 153 %! assert (cmap, cmaptst);
154 %! colormap ("default"); 154 %! colormap ("default");
155 %! assert (colormap (), jet (64)); 155 %! assert (colormap (), virdis (64));
156 %! colormap ("ocean"); 156 %! colormap ("ocean");
157 %! assert (colormap, ocean (64)); 157 %! assert (colormap, ocean (64));
158 %! unwind_protect_cleanup 158 %! unwind_protect_cleanup
159 %! close (hf); 159 %! close (hf);
160 %! end_unwind_protect 160 %! end_unwind_protect