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Inject default lighting when EnvGraph has none#787

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xyao/dev/graph_lighting
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Inject default lighting when EnvGraph has none#787
xyao-nv wants to merge 1 commit into
mainfrom
xyao/dev/graph_lighting

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@xyao-nv

@xyao-nv xyao-nv commented Jun 12, 2026

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Summary

Inject default light at Arena Env built time from EnvGraph yaml

Detailed description

  • Why: Some graph-built/generated envs has no light either in the spec or baked into the USD, so it renders black when spawning in SimApp.
  • What: During Env built time, ensure light is added as a node.
  • Light will be included in any generated/graph-built Envs.
Screenshot from 2026-06-11 17-27-06

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