Tuesday, April 20, 2010

Rhinocerous + Vray: Transparency Mapping


In this tutorial I cover how to use transparency maps and different texture maps in Rhino with Vray. Transparency maps allow you to produce convincing effects, such as perforation patterns, fritted glass, landscape patterns, etc... quickly for studies or final renderings. Advantages over producing actual geometry are smaller file sizes, lower render times, and quick creation. Disadvantages are that it doesn't actually produce geometry - so can't be used for 3D output or fabrication. For basics on rendering/lighting with vray, check out Karl Daubman's excellent tutorials on the subject @ paramod.net
Total Length: 52.10

2 comments:

Ran said...

Good morning,
I've been following your tutorials for some time now and I must say they are really great. the last one is also very very helpful. Maybe you can consider doing a series of two exemple videos to architectural renderings with vray, one exterior and one interior, that would be amazing.

Thank you in advance,

Ran

Ricardo said...

How would you add these transparency mappings to a partially curved surface - let us say, an L shaped surface, like a wall, with a filleted corner?

Can't seem to get around this. The obvious thing would be to leave the mapping to surface mode letting the inherent UV co-ordinates do all the work. But I have a model with several of these which have different sizes and thus produce different texture sizes.
Another solution would be to create several materials with different repeat numbers but that seems loathsome and inaccurate.

I would love to hear your thoughts on this matter.