You need to import the parameter inside the shader, have you done that? (Not bind)
Also set the parameter to export always. Minute 7:00 of that video.. On 17 June 2015 at 09:27, Gerbrand Nel <[email protected]> wrote: > Thanks! I tried it in a new scene and got it working just fine. > Then I tried it in my production scene, and I get this error for each > object in the scene: > > mantra: Variable wallMatte (vector) not found for export in shader > 'op:/obj/eyesRender/shopnet1/eyeOutside' > > What does that mean? > I didn't get this shit in my test scene? > The matte renders, but I don't want to just ignore this error! > > Thanks for all the input guys! > G > > On 16/06/2015 16:45, Cristobal Infante wrote: > > In regards to your after effects question, I think there is a plugin > that allows you to extract buffers. > > To get additional buffers, you need to create an attribute and then call > it from inside the shader with a Bind. > If it's not inside the shader it will not show on the final render. > > If this is not clear, have a look at this video: > > https://vimeo.com/98484834 > > > > > > > > > On 16 June 2015 at 15:36, Gerbrand Nel <[email protected]> wrote: > >> Hey guys. >> I'm getting to the rendering part of this job, and have found image >> planes in mantra. >> They seem really cool, but I've hit a few snags. >> >> First of all, They seem to render into either one big EXR file, or into >> multiple exr files, but each image plane goes into its own exr channel. >> This makes them pretty useless in afterfx. >> Is there a way to get them to render like frame buffers in softimage, >> where each channel goes into its own exr, but not into some obscure channel >> within that exr. >> Alternatively, do you guys know of a fast way to export these channels >> into the rgba channels of a new exr? >> >> Second question. >> In softimage I used frame buffers to render mattes for objects in my >> scene. >> Can this be done with image planes? >> I tried creating a color parameter in my shader, and then calling that as >> a new image plane, but I just got a black frame and errors. >> Thanks for reading guys >> G >> >> > >

