colorGray

Creates full spectrum, blue-green-orange-salmon, colormap that maps to linear grayscale.

Creates a broad range color map that looks good in color as well as when reduced to grayscale for low cost publication.

Finished colormap encodes small values with a bluish color, intermediate values in green to orange, and large values with a redish/salmon color. The greyscale is linear.

RGBcolormap=colorGray(numberOfLevels,makeDebugPlot);