I tried to render the volume texture of a tree with the slice+cap method but as you said the vertical bark of the tree was almost completely invisible so I had to create an array of cylinders to simulate the bark and give shell modifier to the leaves so they don't look like sheets of paper. I don't think there is a…
Open and/or paper geo is generally a problem with the most of the effiecient solutions because of the way they work (captured from an alternate camera transform). I just worked on an Unreal based approach that can deal with any geometry without a problem including thin and open meshes.It basically resamples the vertex and…