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Re: Superimpose different colormap figures over eachother on same figure
Posted:
Dec 13, 2012 10:03 AM


"Chris " <cabraham@live.com> wrote in message news:kaau6j$m0g$1@newscl01ah.mathworks.com... > Hello Everyone, I've searched everywhere and can't figure out a solution > to my problem. > I have 2 240x240 matrices one called IM which is the original image, and > the second is a mask called MAP (it is a T2 map of the values from an MRI) > of different values from 2550. I want to have the original image IM as a > grayscale then have the MAP as a colormap(jet) superimposed on top of the > image keeping everywhere where the MAP has 0's as the greyscaled image has > given by IM along with the colorscale given on the side of the image. > This is what I have tried among many other ways but still no luck. > > figure, imagesc(im), colormap('gray'); > hold on; > imagesc(MAP), colormap(jet); > > Any help would be greatly appreciated
The colormap is a FIGURE property, not an AXES or IMAGE property. You can have only one colormap per figure. You can _simulate_ multiple colormaps in the same figure using the techniques described in this document:
http://www.mathworks.com/support/solutions/en/data/1GNRWEH/index.html?solution=1GNRWEH
 Steve Lord slord@mathworks.com To contact Technical Support use the Contact Us link on http://www.mathworks.com



