Scalar fields\Convert to random RGB
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This tool is accessible via the 'Edit > Scalar fields > Convert to random RGB' menu.
Description
Converts the active scalar field of the selected entity by applying a random color scale.
The user must first define a number of colors that will be randomly generated. CloudCompare will then apply the corresponding (random) color scale (as a linear scale, regularly sampled over the scalar field range).
Edit > Scalar Fields > Convert to random RGB colors
Note: this is very useful to randomly color a set of points with a classification index as scalar field for instance (just set the same number of random colors as the number of classes).