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This page provides information on the files formats supported by V-Ray Proxy Objects in a .vrmesh file format and working with .vrmesh files though VRay Proxyobjects.
The .vrmesh File Format
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Meshes are exported to a special .vrmesh file format. It contains all geometric information for a mesh – vertices and face topology as well as texture channels, face material IDs, smoothing groups, normals – in short, everything that is needed to render the mesh. In addition, the mesh is preprocessed pre-processed and subdivided into chunks for easier access. The file also contains a simplified version of the mesh used for preview purposes in the viewportsviewport. More information about the .vrmesh file format is available in the V-Ray SDK documentation that comes with the V-Ray for Maya installation.
It is important to realize note that the mesh is in a "ready-to-render" formatstate. No further modifications to the mesh are expected. You can't apply modifiers to the mesh, or animate it in any way other than animating the position/orientation of the proxy object. There is no way to recover the original mesh from a .vrmesh file (this can be done in principle, but is currently not supported). Therefore, if you plan on doing modifications to the mesh, you should keep it in a Maya file (which may be different from the file that gets rendered in the end).
Alembic Supported Features
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The VRayMesh node V-Ray Proxy can also load and render Alembic files (.abc). Alembic layers are also natively supported with V-Ray Proxy objects.
Here is a list of the supported features.
Geometry types
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Spline Objects
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The VRayMesh has V-Ray Proxy has some additional parameters related to Alembic files. See the Alembic Proxy Parameters section of the Old V-Ray Proxy Node page for more details.
Notes
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Links
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