> color_map { > [0.0 rgbt <.2, 0, 0, 0> ] > [0.2 rgbt <.7, .4, .07, 0> ] > [1.0 rgbt <1, 1, 1, 0> ] > } I think just using "clock" on the t component should do the trick... but you should have tried that already, or you did not? -- jaime
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