Refraction is the bending of light, not transparency. You won't see refraction propagated through to the alpha channel.
On Mon, May 30, 2016 at 12:29 PM, Pierre Schiller < activemotionpictu...@gmail.com> wrote: > No alpha on arnold. What?! > On May 30, 2016 6:50 AM, "Schoenberger" <x...@digidragon.de> wrote: > >> You might want to use an Binary Alchemy shader. e.g. the >> BA_color_switcher. >> I have never liked that Arnold has no option for the alpha. >> >> >> Holger Schönberger >> technical director >> The day has 24 hours, if that does not suffice, I will take the night >> >> >> ------------------------------ >> *From:* softimage-boun...@listproc.autodesk.com [mailto: >> softimage-boun...@listproc.autodesk.com] *On Behalf Of *Pierre Schiller >> *Sent:* Friday, May 27, 2016 5:56 PM >> *To:* softimage@listproc.autodesk.com >> *Subject:* Arnold shaders, interactive oppacity on Alpha? >> >> Hello Softimagers! :D >> >> I´ve been doing some quick test renders on arnold and I happen to come >> around a dead end: >> I know arnold property has to have "opaque" unchecked on the geometry in >> order to work the transparency from the shader (on the Refraction Scale = 1 >> to be fully transparent, also I switched Diffuse Scale = 0). >> >> But when I preview alpha on the image, I still get an opaque geometry. >> >> The general idea, should be that by driving a % value, I can decrease the >> opacity on the mesh gradually via the arnold standard shader. >> >> Is there an easier way to do this? >> Please help. >> Thanks. >> >> >> -- >> Portfolio 2013 <http://be.net/3dcinetv> >> Cinema & TV production >> Video Reel <https://vimeo.com/3dcinetv/reel2012> >> >> >> ------ >> Softimage Mailing List. >> To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com >> with "unsubscribe" in the subject, and reply to confirm. >> > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > with "unsubscribe" in the subject, and reply to confirm. >
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