changing safe_normalize to normalize on posIntersection.  Running into a lot of epsilon errors with safe_normalize.
changing safe_normalize to normalize on posIntersection.  Running into a lot of epsilon errors with safe_normalize.

MengjiaoH/ospray,wilsonCernWq/ospray,wilsonCernWq/ospray,MengjiaoH/ospray,MengjiaoH/ospray,ospray/OSPRay,MengjiaoH/ospray,MengjiaoH/ospray,ospray/OSPRay,ospray/OSPRay,ospray/OSPRay,wilsonCernWq/ospray