some popular cmaps: pylab.cm.gray pylab.cm.copper pylab.cm.bone pylab.cm.jet Can also use kwargs for pylab.imshow, including vmin,vmax: Set the range of values for the color bar. If 1D arrays for X and Y are given, axes are drawn
(mat,cmap=pylab.cm.gray,colorbar=True,X=None,Y=None, \
interp='nearest',plot3D=False,plotContour=False,ax=None, \
contours=None,filled=True,outlineColor=None,**kwargs)
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