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Glass in Vray
show user profile  Madredchris
Hey guys,

Im hoping to render my first 3d house, but, I cant get my glass right.

Its either to reflective or not reflective at all.
Its bugging the hell out of me and I can only find half tutorials about this.

Anyone of you guys knows a nice tutorial or something else, because if I google 'glass' I get tutorials for a wine glass, which is like 100% reflective, (looks more like chrome or something).

read 1309 times
9/29/2011 7:32:13 AM (last edit: 9/29/2011 7:32:13 AM)
show user profile  Sylverstalker
Interior or exterior? It will need an environment of some kind to reflect otherwise it will just get flat reflections.

read 1305 times
9/29/2011 7:48:59 AM (last edit: 9/29/2011 7:48:59 AM)
show user profile  Madredchris

That Is the point, I want to reflect only like 10-20%, now its like 100% Reflective.
read 1300 times
9/29/2011 8:20:46 AM (last edit: 9/29/2011 8:20:46 AM)
show user profile  Bolteon
post up an image.

-Marko Mandaric

read 1287 times
9/29/2011 11:41:19 AM (last edit: 9/29/2011 11:41:19 AM)
show user profile  Error404
are you using fresnel for the reflection amount? -

read 1276 times
9/29/2011 12:33:09 PM (last edit: 9/29/2011 12:33:09 PM)
show user profile  Madredchris

Used and used architectural glass
read 1226 times
10/2/2011 5:52:13 PM (last edit: 10/2/2011 5:52:13 PM)
show user profile  Error404
well I wouldn't really call that a fix, you still don't know what you were doing wrong :-) -

read 1203 times
10/3/2011 1:17:57 AM (last edit: 10/3/2011 1:17:57 AM)
show user profile  del3d
^ word. post your original image.
read 1193 times
10/3/2011 2:32:11 AM (last edit: 10/3/2011 2:32:11 AM)
show user profile  3joez
It's actually faster to set up a working glass material from scratch than to import it:

1. Set refract to pure white or close.
2. Set IOR to 1,517 (defalult 1,6 will also do)
3. Tick "affect shadows", that way light will travel through glass.
4. Optional: give it a faint green or blue tint with fog color.

read 1182 times
10/3/2011 7:27:59 AM (last edit: 10/3/2011 7:27:59 AM)
show user profile  Chris123643
i always do my window reflections in photoshop, ill be interested to try your way... what did you use to reflect?

read 1170 times
10/3/2011 10:17:18 AM (last edit: 10/3/2011 10:17:18 AM)
show user profile  3joez
I forgot, glass reflection should be set around 20 percent, which is the standard material measurement (so around 50, in a greyscale value, will yield realistic results). If you use Fresnel, which should be applied to all dielectric materials, crank up the value.
That way, glass will naturally reflect all the things you have in the scene.
read 1162 times
10/3/2011 10:35:19 AM (last edit: 10/3/2011 10:35:19 AM)
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