string colorRamp(string gradient, float value)



Hex color value from a color ramp (selected with gradient) according to the given value. Means the value is mapped on the color ramp and the corresponding color is returned.


Yellow to red color ramp

@Range(min=0, max=1)
attr colorValue = 1

Shape -->
    color ( colorRamp("yellowToRed",colorValue))

To visualize datasets, 'normalize' the values to the [0-1] range with the function " x_norm = 1 / (max - min) * (x - min) ".

Ramp example images based on a GIS dataset

yellow to red :

red to blue :

green to red :

white to black :

orange to blue :

brown to blue :

spectrum :

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