I would like to split the 2D vector field along the edge of two materials in its tangential and normal parts.
The normal and tangential vectors on the lower material I did get with following filters: 1) Threshold, 2) Extract Surface, 3) Feature Edges and lastly with a 4) Programmable Filter. You can see the vectors in yellow.
Now, I need to apply the dot product between the vector field (red electric field) and the tangential vector. But only along the line, which separates the the two materials.
I’m struggling with the last step, any suggestion?
Thx in advance