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maint: update copyright notices for 2012
author John W. Eaton <jwe@octave.org>
date Mon, 02 Jan 2012 14:25:41 -0500
parents fd0a3ac60b0e
children 11949c9795a0
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14138
72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 1999-2012 Kai Habel
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {@var{map} =} white ()
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21 ## @deftypefnx {Function File} {@var{map} =} white (@var{n})
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22 ## Create color colormap. This colormap is completely white.
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23 ## The argument @var{n} should be a scalar. If it
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24 ## is omitted, the length of the current colormap or 64 is assumed.
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25 ## @seealso{colormap}
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26 ## @end deftypefn
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27
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28 ## Author: Kai Habel <kai.habel@gmx.de>
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29
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30 function map = white (n)
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31
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32 if (nargin == 0)
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33 n = rows (colormap);
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34 elseif (nargin == 1)
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35 if (! isscalar (n))
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36 error ("white: argument must be a scalar");
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37 endif
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38 else
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39 print_usage ();
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40 endif
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41
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42 if (n > 0)
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43 map = ones (n, 3);
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44 else
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45 map = [];
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46 endif
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47
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48 endfunction
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50 %!demo
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51 %! ## Show the 'white' colormap as an image
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52 %! image (1:64, linspace (0, 1, 64), repmat (1:64, 64, 1)')
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53 %! axis ([1, 64, 0, 1], "ticy", "xy")
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54 %! colormap (white (64))
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