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CET Perceptually Uniform Colour Maps

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News December 2024: Petrel/DUG .alut colour maps have been corrected are available in the download section This website presents a collection of perceptually uniform colour maps. Many colour maps provided by vendors have highly uneven perceptual contrast. Colour maps may have sections of low perceptual contrast that prevent you from seeing significant features in your data. They may also have points of locally high colour contrast leading to the perception of false anomalies in your data when there are none. The colour maps shown above are rendered on a test image consisting of a sine wave superimposed on a ramp function. The amplitude of the sine wave is progressively reduced to zero at the bottom of the image. What we should see is the sine wave uniformly visible across the image from left to right. We also want the contrast level, the distance down the image, at which the sine wave remains discernible to be uniform across the image. At the top of the test image the sine wave height

CET Perceptually Uniform Colour Maps ColorCET Perceptually Uniform Colour Maps Summary Gallery Download User Guide Test Image Theory Summary This website presents a collection of perceptually uniform colour maps. Many colour maps provided by vendors have highly uneven perceptual contrast. Colour maps may have sections of low perceptual contrast that prevent you from seeing significant features in your data. They may also have points of locally high colour contrast leading to the perception of false anomalies in your data when there are none. The colour maps shown above are rendered on a test i

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