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[DISPLAY\]COLOR HueRange [HueZero HueExtent]
Select a color Look-up-Table so that the color at value Zero is given by HueZero (in range [0,360[), and the overall HUE extent is HueExtent (which can be larger than 360). HueRange (in the same units) indicate a part of the LUT which becomes progressively whiter (less saturation, HueRange < 0) or darker (less intensity, HueRange > 0) around the colour HueZero.
Such LUTs allow to outline the Signal-containing regions compared to the noise level, either in bright (HueRange < 0) or dark (HueRange > 0) modes.