Observer Command

scale-pc color variable limit1 limit2

Patches set their color to a shade of color based on their value of variable. limit1 and limit2 determine the amount of gradation.
Example:
scale-color green density 0 20
Patches turn one of twenty shades of green. Patches with lower density turn darker green.
scale-color blue energy 20 0
Patches turn one of twenty shades of green. Patches with lower density turn lighter green.
NOTE: This is a patch command. It must be called from within an ask-patches or ask-patch-at statement.

Related commands:
scale-color stamp