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  • Last update: 5 years ago
  • Total downloads: 82
  • Operating system: Linux, Mac OS X, Win All, BSD, Solaris
  • Publisher: Tim Holy
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scripts default iconGenerate maximally perceptually-distinct colors (Scripts) Publisher's description

When plotting a set of lines, you may want to distinguish them by color

When plotting a set of lines, you may want to distinguish them by color. By default, Matlab chooses a small set of colors and cycles among them, and so if you have more than a few lines there will be confusion about which line is which. To fix this problem, one would want to be able to pick a much larger set of distinct colors, where the number of colors equals or exceeds the number of lines you want to plot. Because our ability to distinguish among colors has limits, one should choose these colors to be "maximally perceptually distinguishable."

This function generates a set of colors which are distinguishable by reference to the "Lab" color space, which more closely matches human color perception than RGB. Given an initial large list of possible colors, it iteratively chooses the entry in the list that is farthest (in Lab space) from all previously-chosen entries.

System Requirements:

MATLAB 7.10 (2010a)
Program Release Status: Major Update
Program Install Support: Install and Uninstall

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