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- function J = jet(m)
- %JET Variant of HSV.
- % JET(M), a variant of HSV(M), is the colormap used with the
- % NCSA fluid jet image.
- % JET, by itself, is the same length as the current colormap.
- % Use COLORMAP(JET).
- %
- % See also HSV, HOT, PINK, FLAG, COLORMAP, RGBPLOT.
-
- % C. B. Moler, 5-10-91, 8-19-92.
- % Copyright (c) 1984-93 by The MathWorks, Inc.
-
- if nargin < 1, m = size(get(gcf,'colormap'),1); end
- n = max(round(m/4),1);
- x = (1:n)'/n;
- y = (n/2:n)'/n;
- e = ones(length(x),1);
- r = [0*y; 0*e; x; e; flipud(y)];
- g = [0*y; x; e; flipud(x); 0*y];
- b = [y; e; flipud(x); 0*e; 0*y];
- J = [r g b];
- while size(J,1) > m
- J(1,:) = [];
- if size(J,1) > m, J(size(J,1),:) = []; end
- end
-