Hello
I have a cube with Specular mat on it.
I try to have transparency in the alpha channel to composit with after.
I try different option- fake shadow, Alpha Channel, alpha shadow.
I always have a plain alpha.
In a second time could I have a " hdr Map" for reflection in the glass. And get the alpha with transparency.
Thank you
Alex
Alpha glass transparency
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AFAIK and according to my previous experience, Specular materials are (or have to be) always 100% in alpha.
Similar (but not the exact) discussion is here : http://render.otoy.com/forum/viewtopic.php?f=36&t=34683
Similar (but not the exact) discussion is here : http://render.otoy.com/forum/viewtopic.php?f=36&t=34683
Win7 64 & Slackware 14 64 | 3x Zotac 580 amp & 1x MSI 680 | i7 3930K @4.8 | 32 GB | Asus rampage extreme IV