VRay Cam and opacity maps: is it a problem?

Rick Eloy · December 19th, 2006

Hi, folks!
I was trying to render an old scene of mine using the physical camera and sun. Everything goes well, except the trees. I've always used standard mats for that, with opacity maps and stuff and has always worked, but with the Physcam and Sun all trees come out black. Th opacity is recognized, but not the diffuse. Same thing happens with atmospheric stuff such as smoke, which also comes out black. Anyone knows what is going on?

Christopher Nichols · December 19th, 2006

I would post that question in the vray forum. Sounds like it may be a bug. I have not seen it myself since I never use standard materials or opacity maps. But you may want to do search on the vray forum, and/or post a thread on the bug report.

Rick Eloy · December 19th, 2006

Thanks for the reply, Chris! I'll do that ASAP and let other true-believers know.

ipxstudios · December 19th, 2006

same happens to me - to get around it try opening another vray file that works, save it and delete everything - then merge your new file. The vray materials will work then. There must be some kind of MR bug in there that is not seeing vray materials.

December 19th, 2006	#1 (permalink)
Rick Eloy Moderator Join Date: Apr 2002 Location: São Paulo, Brasil Age: 31 Posts: 2,388 Name: Ricardo Eloy	VRay Cam and opacity maps: is it a problem? Hi, folks! I was trying to render an old scene of mine using the physical camera and sun. Everything goes well, except the trees. I've always used standard mats for that, with opacity maps and stuff and has always worked, but with the Physcam and Sun all trees come out black. Th opacity is recognized, but not the diffuse. Same thing happens with atmospheric stuff such as smoke, which also comes out black. Anyone knows what is going on? __________________ Rick Eloy reb digital - Really, I'm doing it for the kids...

December 19th, 2006	#2 (permalink)
Christopher Nichols Moderator Join Date: Apr 2002 Location: Lalaland Posts: 1,166 Name: Christopher Nichols	Re: VRay Cam and opacity maps: is it a problem? I would post that question in the vray forum. Sounds like it may be a bug. I have not seen it myself since I never use standard materials or opacity maps. But you may want to do search on the vray forum, and/or post a thread on the bug report. __________________ Christopher P Nichols

December 19th, 2006	#3 (permalink)
Rick Eloy Moderator Join Date: Apr 2002 Location: São Paulo, Brasil Age: 31 Posts: 2,388 Name: Ricardo Eloy	Re: VRay Cam and opacity maps: is it a problem? Thanks for the reply, Chris! I'll do that ASAP and let other true-believers know. __________________ Rick Eloy reb digital - Really, I'm doing it for the kids...

December 19th, 2006	#4 (permalink)
ipxstudios Senior Member Join Date: Mar 2004 Location: San Diego CA Posts: 190 Name: julian boswell	Re: VRay Cam and opacity maps: is it a problem? same happens to me - to get around it try opening another vray file that works, save it and delete everything - then merge your new file. The vray materials will work then. There must be some kind of MR bug in there that is not seeing vray materials.

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