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View Full Version : Why does Real-Fresnel make an object transparent?



serge
10-04-2006, 08:48 AM
I don't get it. When using Real Fresnel it doesn't matter what value you put in the transparency channel. Can somebody explain?

toby
10-04-2006, 01:55 PM
I think it's only meant to be a 100% accurate glass shader, so there's very little flexibility. Try Fast Fresnel instead. If you're on PC you could try to find the Pontari Fresnel shader, it's probably the best, but seems to be out of circulation -

serge
10-04-2006, 02:51 PM
I think it's only meant to be a 100% accurate glass shader
Yes, it seems to be. To be more precise: it's an accurate 100% transparent colourless glass shader. It seems to be useless for coloured glass.

It's annoying they don't explain these things in the manual; I thought I was doing something wrong.

toby
10-04-2006, 02:54 PM
You tried the Color Filter settting?

serge
10-04-2006, 03:06 PM
You tried the Color Filter settting?
No, hadn't. That's better, thanks! :thumbsup:

Captain Obvious
10-05-2006, 04:09 PM
Try the Coffee! shader. It's useful for absorbation stuff.

http://koti.mbnet.fi/anttij77/Plugins/Coffee.html

Red_Oddity
10-06-2006, 10:03 AM
http://www.rendermanacademy.com/docs/Fresnel.htm

And another thing learned today...

serge
10-06-2006, 02:31 PM
http://www.rendermanacademy.com/docs/Fresnel.htm

And another thing learned today...
You're not replying as an answer to my question, or are you?

Edit: It's an interesting read btw, thank you.