Physically Accurate RGB Caustics

Artistic Support Materials and Textures
1

Anyone ever run across a video or .blend where someone has figured out a way to effect realistic RGB caustics? I can imagine methods for faking this, but I’d like to have a node group that takes any light source and breaks it into it’s constituent colors then accurately represents them in the caustics of glossy, glass, anostropic materials.

Nodes:

Emission Shader > Separate RGB > ? (How to get the correct vector that define which color is reflected/represented)

Glass Shader color > Math Node blend value? ? > Light Path is?

Does this make any sense?

2

I would suggest to use Luxrender or Yafaray to get good results!

cycles does not like Color refraction or Caustic !

happy bl

3

Oh thanks. I’ve never gotten those to work with blender before. Pain in the butt.

4

there may be some fake things but does not work that well and not easy to get real physically correct

but other soft are more geared to do that !

happy cl