Forum: Carrara


Subject: Glass shader causes blotches in GI Render - anyone know why?

craftycurate opened this issue on Apr 30, 2007 ยท 22 posts


ShawnDriscoll posted Tue, 01 May 2007 at 9:11 PM

These are things I learned about Carrara Pro 5.1 through trial and error:

GLOBAL ILLUMINATION

Avoid using Improved Edges.

Use Full Raytracing only if blackness appears in scenes (missing polygons).

Always turn off Interpolation for final renders (a huge render hit will be
taken, though).

Turning on Caustics will allow more Indirect Lighting to work through glass.
But the render takes an extreme hit and the resulting caustics might look
over-kill for a scene.

Turn up a scene's ambient lighting to around 40% before using Ambient Occlusion.
Otherwise, everything will be dark.

www.youtube.com/user/ShawnDriscollCG