home *** CD-ROM | disk | FTP | other *** search
- function h = hot(m)
- %HOT Black-red-yellow-white color map.
- % HOT(M) returns an M-by-3 matrix containing a "hot" colormap.
- % HOT, by itself, is the same length as the current colormap.
- %
- % For example, to reset the colormap of the current figure:
- %
- % colormap(hot)
- %
- % See also HSV, GRAY, PINK, COOL, BONE, COPPER, FLAG,
- % COLORMAP, RGBPLOT.
-
- % C. Moler, 8-17-88, 5-11-91, 8-19-92.
- % Copyright (c) 1984-93 by The MathWorks, Inc.
-
- if nargin < 1, m = size(get(gcf,'colormap'),1); end
- n = fix(3/8*m);
-
- r = [(1:n)'/n; ones(m-n,1)];
- g = [zeros(n,1); (1:n)'/n; ones(m-2*n,1)];
- b = [zeros(2*n,1); (1:m-2*n)'/(m-2*n)];
-
- h = [r g b];
-