Ray direction parameter

Denis_Z_ — Fri, 17 Jul 2015 15:49:38 GMT

Hi,

I try modify the first tutorial example, but had problem with that. Could anybody explain what is a geometrical meaning of a ray direction in the RTCRay structure?

The ray origin is where the

SvenW_Intel — Mon, 20 Jul 2015 05:38:59 GMT

The ray origin is where the ray starts, the ray direction is the direction the ray travels. Have a look at some introduction to ray tracing, e.g. see section 4.1 here: http://viola.informatik.uni-bremen.de/typo/html/qingteng/index.html

Regards,

Sven

topic Ray direction parameter in Intel® Embree Ray Tracing Kernels

Ray direction parameter

The ray origin is where the