mapValuesAsColors.py

import Rhino as rc

def mapValuesAsColors(values,srcMin,srcMax,targetMin,targetMax):
    
    """ Make a list of HSL colors where the values are mapped onto a
    targetMin-targetMax hue domain. Meaning that low values will be red, medium
    values green and large values blue if targetMin: 0.0 and targetMax: 0.7 """
    
    # Remap numbers into new numeric domain
    remappedValues = []
    for v in values:
        if srcMax-srcMin > 0:
            rv = ((v-srcMin)/(srcMax-srcMin))*(targetMax-targetMin)+targetMin
        else:
            rv = (targetMin+targetMax)/2
        remappedValues.append(rv)
        
    # Make colors and return
    colors = []
    for v in remappedValues:
        c = rc.Display.ColorHSL(v,1.0,0.5).ToArgbColor() 
        colors.append(c)
        
    return colors