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Why not create your own colormap? help colormap explains the format of the colormap data. All you will need is a 8x3 matrix with each row containing the rgb values of a color. Navan --- kimzdsp <> wrote: > Hi, > > Currently I am trying to use the Matlab to plot a > spectrogram image. > I want this image is based on the scaled spectrogram > data in dB > with the 8-level "heat" color-encoding scheme, which > is black, brown, > blue, cyan, magenta, red, yellow and white. I have > searched through > all the Matlab supported colormaps. It looks like > none of them I can > use. Does anyone have some ideas on it? > Thanks! > > Kim __________________________________ |