1. We have complex and closed poly with (for example) point Cd presented.
2. We convert it to VDB - with SDF and fog inside channels.
3. We need have Cd attrribute propagate from surface deeper into volume. Now it is possible just for limited voxel-layers around source poly-surface.
Which way can we elaborate such network? VDB Analysis node prepared closest_point vdb-channel over source ‘density’ channel, so we have all required data presented in scene.
Thank you
VDB: Fill interrior with Surface parameters
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