Hello @HaLo, Yes. As you describe above, the tests would indicate that during a normal save operation Rhino + Vray render meshes are saved.
This is evident in the fact that if opening a file which was saved with the Save Small option, even after allowing the viewport to generate meshes and making sure there are no hidden objects out of view which still need to be meshed for viewport, then the 1st Render goes through the “Creating Meshes…” process.
Even more proof that 2 x sets of meshes are saved with the file is evident by doing the following:
- Save file with SAVE SMALL option (All meshes removed from file)
- New File then open previous file again, allowing Rhino viewport to generate meshes. (DO NOT RENDER YET)
- Save file with normal SAVE.
- New File then open previous file again(now with meshes saved).
- Now Render
- "Creating Meshes… " process happens.
So even saving the file normally with the Rhino viewport render meshes does not avert this from happening.
The only way to avoid this happening is to do a render, let it create the render meshes, and then save normally after the render. ie. It is saving both sets of render meshes or info of some sort. When opening the file saved this way the render starts instantly.
On smaller models this wait time for the re-meshing is negligible, but on large models it is definitely noticeable.
The other question which was asked at the beginning of this thread is why is another set of meshes required?