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annotate scripts/image/ind2rgb.m @ 904:3470f1e25a79

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[project @ 1994-11-09 21:22:15 by jwe]
author jwe
date Wed, 09 Nov 1994 21:22:15 +0000
parents 4e826edfbc56
children b843a65fa977
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4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe]
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1 function [R G B] = ind2rgb(X,map)
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3 # Convert an indexed image to red, green, and blue color components.
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4 #
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5 # [R G B] = ind2rgb(X) uses the current colormap for the conversion.
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6 #
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7 # [R G B] = ind2rgb(X,map) uses the specified colormap.
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8 #
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9 # SEE ALSO: rgb2ind, image, imshow, ind2gray, gray2ind.
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4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe]
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11 if(nargin == 1)
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12 map = colormap;
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13 endif
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4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe]
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15 [hi wi] = size(X);
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4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe]
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17 pref = do_fortran_indexing;
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18 do_fortran_indexing = "true";
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19
4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe]
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20 R = map(X(:),1);
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21 G = map(X(:),2);
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22 B = map(X(:),3);
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24 R = reshape(R,hi,wi);
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25 G = reshape(G,hi,wi);
4e826edfbc56 [project @ 1994-07-25 22:18:28 by jwe]
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26 B = reshape(B,hi,wi);
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28 do_fortran_indexing = pref;
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30 endfunction