Edit USD ASCII files with minimal changes while preserving stage structure.
npx skills add https://github.com/tomkrikorian/visionOSAgents --skill usd-editor
Please help me install this Agent Skill. Skill: usd-editor Source: https://github.com/tomkrikorian/visionOSAgents/tree/main/skills/usd-editor Command: npx skills add https://github.com/tomkrikorian/visionOSAgents --skill usd-editor
Editing USD ASCII (.usda) files by hand is error-prone and risks breaking stage structure, composition arcs, and prim relationships. This Skill offers a safe, minimal-edit workflow that preserves formatting, respects existing composition, and reduces diffs.
High-intent search queries and answers about installing and using this skill.
To safely edit USD ASCII (.usda) files, apply minimal changes that preserve stage structure, respect existing composition arcs like sublayers and references, and maintain xformOporder to prevent scene breakage.
Use the 'over' specifier to modify existing prim attributes or relationships without redefining them, and use 'def' only when creating a new prim to avoid unnecessary redefinitions that can alter composition.
When adding transforms to a USD prim, apply the smallest change necessary and explicitly update the xformOpOrder attribute to include the new transform operation, ensuring the stage evaluates the hierarchy correctly.
The best way to modify composition arcs is to respect existing sublayers, references, payloads, and variants unless explicitly requested otherwise, validating that all target paths exist and types match to minimize stage breakages.
Editing a prim relationship in USD breaks the scene if the target path no longer exists or the types mismatch; validating paths and relationships before applying changes ensures targets resolve correctly.
Yes, you can edit USD files manually with minimal changes by preserving existing formatting, touching only the necessary attributes, and respecting the current composition to keep diffs clean and reduce errors.
kickthemoon0817Perform headless operations on USD files for validation and analysis.
NVIDIA-OmniverseGenerate USD proxy siblings with decimated meshes or bounding boxes and wire render/proxy purposes.
NVIDIA-OmniverseCombine a base USD scene with inline runtime prims via subLayers composition.
NVIDIA-OmniverseWrite 4x4 transform matrices to USD prims using Python or C/C++.
