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I've been trying to recreate the Grease Pencil Line Art Modifier using Geometry Nodes. I'm pretty close, but I'm wondering: How do you delete vertices that aren't seen by the camera? I've been trying to use the raycast node, but whenever I do, nothing happens. I'm specifically trying to remove the edges in the back of the model, so I can move the geometry nodes to be seen at the front without the back edges being seen. If I were to sum up the effect I'm trying to achieve in text: Send out raycast If not hit, delete vertice

What's Visible:

What Needs to be Deleted: Nodetree:

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