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annotate scripts/image/imshow.m @ 3457:e031284eea27

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[project @ 2000-01-19 08:49:56 by jwe]
author jwe
date Wed, 19 Jan 2000 08:50:14 +0000
parents f8dde1807dee
children 518e495e489f
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1 ## Copyright (C) 1996, 1997 John W. Eaton
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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 2, or (at your option)
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8 ## 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, write to the Free
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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18 ## 02111-1307, USA.
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {} imshow (@var{x}, @var{map})
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22 ## @deftypefnx {Function File} {} imshow (@var{x}, @var{n})
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23 ## @deftypefnx {Function File} {} imshow (@var{i}, @var{n})
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24 ## @deftypefnx {Function File} {} imshow (@var{r}, @var{g}, @var{b})
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25 ## Display images.
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26 ##
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27 ## @code{imshow (@var{x})} displays an indexed image using the current
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28 ## colormap.
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29 ##
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30 ## @code{imshow (@var{x}, @var{map})} displays an indexed image using the
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31 ## specified colormap.
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32 ##
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33 ## @code{imshow (@var{i}, @var{n})} displays a gray scale intensity image.
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34 ##
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35 ## @code{imshow (@var{r}, @var{g}, @var{b})} displays an RGB image.
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36 ## @end deftypefn
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37 ## @seealso{image, imagesc, colormap, gray2ind, and rgb2ind}
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38
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39 ## Author: Tony Richardson <arichard@stark.cc.oh.us>
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40 ## Created: July 1994
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41 ## Adapted-By: jwe
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43 function imshow (a1, a2, a3)
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44
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45 if (nargin < 0 || nargin > 3)
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46 usage ("imshow (args)");
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47 elseif (nargin == 2)
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48 if (length (a2) == 1)
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49 [a1, a2] = gray2ind (a1, a2);
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50 endif
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51 colormap (a2);
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52 elseif (nargin == 3)
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53 [a1, a2] = rgb2ind (a1, a2, a3);
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54 colormap (a2);
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55 endif
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56
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57 image (a1);
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58
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59 endfunction