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October 30, 2020 at 8:12 pm #5260
mathias
Keymaster

Dear Julius,

the idea with the ramp may work. You may implement a set function to change the density at a bounce back node. I would go for that idea. The other one you can use the rename functions from superGeometry to introduce a layer with a new material, lets say 43:
– rename(1,42,1,1,1) renames the inner 1 to 42
– rename(1,43) renaes the remainding layer with material 1 to 43
– rename(42,1) renames the inner 42 back to 1

Best
Mathias