BALLView Raytracing Demo 1

> ### The Raytracing Tutorial

> Welcome to the tutorial for using the real-time raytracing renderer RTFact. In the following, we will show you how to manipulate and benefit from the raytracing features.
> The tutorial takes approximately 20 minutes and is divided in several steps, which have to be finished one by one.
> The button "Next" will be enabled after finishing each individual step.
> Press Next to continue.