File formats in OptiX

Hi everybody,

which file formats does OptiX support for now?
I’m interested in loading models of lenses in formats like eDrawing (.eprt), IGES (.igs) or STEP (.step).


OptiX is a general purpose ray tracing SDK. Loading scene or model files is not a core part of its functionality but the application developer’s responsibility.

The OptiX SDK examples only use some simple model formats like OBJ and PLY to get basic geometry into some example programs.

Loading IGES and STEP files is quite an undertaking. If this is for a commercial product, there exist commercial file loader libraries which implement the basic loading of these and other file formats into an intermediate data format from which you could then transfer the data you want to handle to into suitable scene nodes.

Thanks for fast response.

Do you know any of these file loader libraries?