Jump to content

Glass refraction problem

Stephen Thomas

Recommended Posts

Please check out attachment below. The refraction seems distorted on the glass balustrades on right hand side of image, esp. where looking through two layers at a right angle. Im just using standard glass setup for vray mtl, 100% reflection/refraction, fresnel on, IOR 1.5.


Any suggestions?? Also glass material seems to be casting shadow, I've tried checking affect shadow but has no effect.


Thanks. :confused:



Link to comment
Share on other sites

Does your glass object have thickness or not? If not, then you can't use ior of 1.5. You have to make it 1 or 1.01. For the shadows, go to the object properties and uncheck cast & receive shadows.


Thanks for the reply Tim. :)


My glass has thickness of 10mm, which is why I thought level of refraction seemed overly excessive. I'm new to vray and vray materials, but I never had any problems with this using the old architectural materials. Tried turning fresnel off and the results were just strange.


Any further thoughts?

Link to comment
Share on other sites

Problem solved!


Should have known really with the two planes at right angles being the culprit. I had max depth for reflection/refraction limited to 3 under global switches, changed to 5 and everything's sorted.


Thanks for the shadow tip!




P.S. Here's the amended image, much better.



Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now

  • Create New...