displays the three components (red, green and blue) of a colormap
rgbplot(colormap)
rgbplot helps visualise a colormap.
map1=sip_colormap('bluered'); // creates a 256 colormap rgbplot(map1); //have another try with: map2=sip_colormap('bluegreenred'); rgbplot(map2);
http://siptoolbox.sourceforge.net