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OpenUSD Exchange Samples: createMesh

This sample demonstrates how to open/create a stage with key metadata and create cube mesh using the OpenUSD Exchange SDK.

Note that the createCubeMesh() functions are located inside the source/common folder because it will be used again. Also note that it does more than just create a mesh, but for the sake of bite sized samples, focus on the Exchange SDK's definePolyMesh() function within the utility file.

USD Modules

The Gf, Sdf, Usd, and UsdGeom modules are used.

OpenUSD Exchange SDK functions

  • createStage()
  • definePolyMesh()
  • getValidChildNames()
  • saveStage()

Languages

This sample is implemented in both C++ and Python. To run:

  • [./]run.[bat, sh] createMesh
  • [./]python.[bat, sh] source/createMesh/createMesh.py

Hardcoded items

  • If a stage is created, it will have a default prim named "World", Y-up axis, 1 cm linear units
  • A 1 meter mesh named "cubeMesh" is created at a height of 1.5 meters

Command Line Arguments

Usage:
  createMesh [OPTION...]

  -a, --usda          Output a text stage rather than binary
  -h, --help          Print usage
  -p, --path arg      Alternate destination stage path (default: c:/Users/username/AppData/Local/Temp/usdex/sample.usdc)