Formats
The standard formats used in Omniverse is USD for scenes and MDL for materials. Most users will need to convert their content to be usable in omniverse if coming from external applications. Luckily, Omniverse offers several ways to manage such content.
Asset Converter
Apps in omniverse are loaded with the Asset Converter extension. With it, users can convert models into USD using the Asset Converter service. Below is a list of formats it can convert to USD.
Format |
Name |
Description |
|---|---|---|
|
Autodesk FBX Interchange File |
Common 3D model saved in the Autodesk Filmbox format |
|
Object File Format |
Common 3D Model format |
|
GL Transmission Format File |
Common 3D Scene Description |
Connectors
Specialized connectors offer a more finely tuned conversion process. Through connectors, native files are directly translated to usd.
Note
Because connected applications often have numerous file conversion capabilities, a path to even the most obscure formats may be possible via various connectors.
Materials
NVIDIA has developed a custom schema in USD to represent material assignments and specify material parameters. In Omniverse, these specialized USD’s get an extension change to .MDL signifying that it is represented in NVIDIA’s open-source MDL (Material Definition Language).
MDL Texture Formats Accepted
MDL Materials throughout Omniverse can accept texture files in the following formats.
Extension |
Format |
Description |
|---|---|---|
|
Bitmap Image File |
Common image format developed by Microsoft.
|
|
DirectDraw Surface |
Microsoft DirectX format for textures and environments.
|
|
OpenEXR |
High Dynamic Range format developed by Industrial Light and Magic
|
|
Graphical Interchange Format File |
Common color constrained lossless web format developed by CompuServe.
|
|
High Dynamic Range Image File |
High Dynamic Range format developed by Industrial Light and Magic.
|
|
Joint Photographic Experts Group |
Common “lossy” compressed graphic format.
|
|
Joint Photographic Experts Group |
Common “lossy” compressed graphic format.
|
|
Target Image File Format |
Common “lossless” and “lossy” graphic format.
|
|
Portable Network Graphics File |
Common “lossless” compressed graphics format.
|
|
Adobe Photoshop Document |
The native format for Adobe Photoshop documents.
|
|
Truevision Advanced Raster Graphics Adapter |
High Quality raster graphic format developed by Avid Technology |
|