Model view displacement results appears black

Grasshopper Karamba3D
1

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image1865×780 117 KB

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Hi there, im not sure why the displacement result doesn’t show the results based on the colours.
Here’s my file :
Rhino model.3dm (1.8 MB)

Script.gh (31.7 KB)

Thank you.

2

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image1920×871 147 KB

Hi, if you hide your modelview preview then you can see your deformations.