Comments (2)
nrusch
commented on May 20, 2024
As part of the improvements to instancing, I think the render delegate needs to treat the Rprim that is being instanced as if it is not part of the scene, instead of rendering it. This would match the behavior of Embree and Prman delegates.
Right now, if I create an instancer with 8 instances and a single mesh prototype, I get the 8 instances plus the original prototype in the render.
This may mean continuing to translate the prototype but making it invisible in Arnold, or generating numInstances - 1 ginstance nodes and using the prototype for the last one (with the transform of the final instance) The second approach seems nicer and more Arnold-like, but would require the prototype's transform to be factored into the computation of the instance matrices as well.
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sirpalee
commented on May 20, 2024
@nrusch found an issue with updating transformation matrices for the point instancer and created a solution in #69
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