Within each content area, there are one or more tutorials. Each tutorial consists of lessons. Each lesson should be a page detailing the concept being taught, along with sample code. Lesson and page ...
While any OSPRay version in the 2.X branch should work (we've tested 2.8.0 and 2.4.0), OptiX is much pickier. VMD currently assumes the API from OptiX 6.5.0, which is under the "All older versions" ...