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Fresnel Ramp problems

J

Jordi

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unitedkingdom
Hi all,

Back again - this time with some Fresnel ramp issues.

First off I've been trying to add a Fresnel ramp to an aircraft in GMAX, although it doesn't seem to work like others Fresnel ramps..

For some reason the Fresnel_Ramp.dds seems to be effecting the diffuse in a very strange way. It appears to be using the same blending mode as Photoshop's "Exclusion". When I added a variety of colours I was wondering why I could see orange when It doesn't exist on the Ramp .dds

Here's a couple of comparison shots...

In sim
isssue1.jpg


In Photoshop
fresnelramp.jpg


In Photoshop with Exclusion blending mode
fresnelrampex.jpg


The other problem I've noticed is where I've told the envmap to appear greater (alpha channel on Fresnel), it's showing up, although it's appearing virtually black as you can see in the screenshot above.

Any advice on how to fix any of the above issues would be greatly appreciated!

Regards,
Jordi
 
Do not apply the Fresnel ramp texture to Diffuse. Use only Reflection and Specular...
 
Many thanks, I swear I had only reflection and specular ticked. I checked...TWICE :mad:

Yep...that certainly did the trick...

frenselenv1.jpg
 
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