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annotate scripts/plot/spinmap.m @ 7164:2b5e6c0a9df9

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[project @ 2007-11-12 22:04:42 by jwe]
author jwe
date Mon, 12 Nov 2007 22:06:35 +0000
parents d4d8c7b33e16
children dbd0c77e575e
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1 ## Copyright (C) 2007 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} spinmap (@var{t}, @var{inc})
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21 ## Cycle the colormap for @var{t} seconds with an increment
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22 ## of @var{inc}. Both parameters are optional. The default cycle time
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23 ## is 5 seconds and the default increment is 2.
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24 ##
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25 ## A higher value of @var{inc} causes a faster cycle through the
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26 ## colormap.
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27 ## @seealso{gca, colorbar}
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28 ## @end deftypefn
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29
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30 ## Author: Kai Habel <kai.habel at gmx.de>
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31
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32 function spinmap (t, inc)
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33
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34 if (nargin == 0)
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35 inc = 2;
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36 t = 5;
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37 elseif (nargin == 1)
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38 inc = 2;
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39 endif
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40
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41 cmap = get (gcf (), "colormap");
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42 clen = rows (cmap);
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43
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44 t0 = clock;
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45
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46 while (etime (clock, t0) < t)
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47 for n = 1:inc:clen
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48 newmap = shift (cmap, n, 1);
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49 set (gcf (), "colormap", newmap)
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50 drawnow ();
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51 endfor
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52 endwhile
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53
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54 set (gcf (), "colormap", cmap)
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55
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56 endfunction
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57