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art3mis

Collision and Pyro Solver

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Any pyro experts? I have a Smoke Trail sim I'm happy with but can't seem to get it to collide with my ground (extruded grid converted to vdb).

Based on the attached can anyone suggest what might be wrong with my collision workflow? I'm simply merging the vdb ground plane into the 2nd input of my Pyro Solver.

grid_VDB.JPG

ground_collision.JPG

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You need a VDBfromPolygon node instead of "convert" or use the collisionSource node
if you use the Self tool / static object, you'll see how that should be setup.

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