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%% Set Mapping of Alpha Data into Alphamap % Create an image. Vary the transparency across the image based on the % color values. By default, the image clamps the transparency values % between 0 and 1. Values less than 0 are completely transparency and % values greater than 1 are completely opaque. Instead, transform the % transparency values to span the alphamap using the |alpha scaled| % command. % Copyright 2015 The MathWorks, Inc. imagesc(peaks) alpha color alpha scaled