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test2/tests/files/usd/usd_point_instancer_object_ref.blend
Michael B Johnson 07342407d3 USD: Add support for Point Instancing during Export
Adds a Point Instancing exporter based on the existing
USDPointInstancerReader. Covers both round-trip and Blender-native
workflows. Exports 'Instance on Points' setups as USDGeomPointInstancer,
supporting objects, collections, and nested prototypes.

A warning is shown during export if invalid prototype references are
detected. These would occur if an instancer attempts to instance itself.

This feature is currently gated behind an off-by-default export option
(`use_instancing`) as there are still a few cases which can yield
incorrect results.

Further details in the PR.
Ref: #139758

Authored by Apple: Zili (Liz) Zhou

Pull Request: https://projects.blender.org/blender/blender/pulls/139760
2025-06-14 01:10:55 +02:00

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