1 %% Copyright (C) 1999,2000 Kai Habel
3 %% This program is free software; you can redistribute it and/or modify
4 %% it under the terms of the GNU General Public License as published by
5 %% the Free Software Foundation; either version 3 of the License, or
6 %% (at your option) any later version.
8 %% This program is distributed in the hope that it will be useful,
9 %% but WITHOUT ANY WARRANTY; without even the implied warranty of
10 %% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 %% GNU General Public License for more details.
13 %% You should have received a copy of the GNU General Public License
14 %% along with this program; if not, write to the Free Software
15 %% Foundation, Inc., 51 Franklin Street, Boston, MA 02110-1301 USA
18 %% @deftypefn {Function File} {} cool (@var{n})
19 %% Create color colormap.
21 %% The argument @var{n} should be a scalar. If it
22 %% is omitted, the length of the current colormap or 64 is assumed.
26 %% Author: Kai Habel <kai.habel@gmx.de>
28 function map = cool (number)
31 number = rows (colormap);
33 if (! is_scalar (number))
34 error ("cool: argument must be a scalar");
37 usage ("cool (number)");
43 r = (0:number - 1)' ./ (number - 1);