RT issues

[gzray]

When using RT with CUDA i have some issues: 1. infinite ground plane is gone, back to RT CPU ground plane is present? 2. With CUDA the scene is very dark and grayish and does not respond to the light multiplier, CPU: all normal again. I am using a GTX 880M.
Any idea what's happening, settings? Thanks!

Gerard

[MvyessSA]

I am having similar differences in appearance when using RT on CPU or GPU with CUDA (Quadro6000). (Vray For Rhino SP1)
Using RT with CPU rendering looks 99% as it would in Normal Render, but using CUDA on GPU my scenes are also very dark and also most of the material textures do not render when using RT: GPU-CUDA.
Switching to RT: CPU and the render looks perfect with all textures etc.
I am using Single Sun with ENVIRONMENT - Sky and Background set to use the Sun.
It would be great If I can sort this out and use my Quadro6000 in Cuda for RT instead of the CPU all the time. - Michael VS
Note: I am using the Nvidia Quadro 340.66 Driver. CPU is I7-3770, 64Bit Rhino V5-SR9.

[fpedrogo]

Hi Guys
Unfortunately, those are limitation of RT GPU. No infinite plane support and no multiplier in the environment. The way to work will be keeping the multiplier to 1 and use the physical camera to expose.