Hi!
Exporting from Autodesk Maya to FBX 2019 with VRay shaders here's my step-by-step guide:
Preparing the Scene in Maya
1. Check Geometry
- Ensure all geometry is clean and free of non-manifold geometry.
- Apply any transformations (freeze transformations).
2. UV Mapping:
- Ensure that all objects have proper UV mapping.
3. Material Assignment:
- Assign VRay materials (such as VRayMtl) to your objects.
- Adjust shader settings to your needs (diffuse, reflection, refraction, etc.).
Export Settings
1. FBX Export Options:
- Go to `File > Export Selection` or `File > Export All`.
- Choose `FBX Export` as the file type.
- Click on `Options` to open the FBX export options dialog.
2. FBX Export Settings:
- File Type Specific Options;
- `File Format` should be `FBX 2019`.
- `Embed Media` to include texture files (optional, but recommended if you are transferring the file).
- Include Options:
- Check `Geometry` to export the model.
- Check `Smoothing Groups` to include smoothing data.
- Check `Tangents and Binormals` to include tangent and binormal data, which is important for normal maps.
- Check `Animation` if you have any animation data to export.
- Geometry:
- `Smoothing Groups`, `Smooth Mesh`, `Tangent and Binormal`, `Referenced Assets Content`, should all be checked if applicable.
- Advanced Options:
- Under `FBX File Format`, make sure `FBX 2019` is selected.
- `Units` should match your scene units in Maya.
- Materials:
- Make sure `Materials` is checked.
- `Embedded Textures` should be checked if you are embedding media.
3. Export Process:
- After setting the options, click `Export` to save your FBX file.
Post-Export Validation
1. Import the FBX File:
- Import the FBX file back into Maya or another 3D application to ensure everything exported correctly.
2. Check Materials:
- Verify that the VRay shaders and textures are applied correctly.
- Check that all the shader properties such as reflection, refraction, and others, have been exported accurately.
Troubleshooting
- Textures Not Showing:
- Ensure `Embed Media` was checked during export.
- Check the texture paths and make sure they are relative paths if the textures are not embedded.
- Shader Issues:
- FBX format might not fully support all features of VRay shaders. You might need to manually adjust shaders in the target application.
Additional Tips
- FBX Plugin Version: Ensure your FBX plugin in Maya is up to date.
- Scripted Exports Consider using a script for batch exporting if you have multiple files or a complex scene.
By following these steps, you should be able to export your Maya scene with VRay shaders to FBX 2019 successfully. This ensures compatibility and proper material representation in the target application.
Hope this helps others too!
LAO