Once you pick the ID color, you use the Pixel Coverage pass and multiply it to cut out the edge of that matte, you have to do this for each individual matte you select. It seems like it should work.
It's useful for this purpose because I have hundreds of pieces of geo flying around and the compositor wants to select individuals for enhancement. Eric On Thu, Oct 18, 2012 at 11:49 AM, Byron Nash <byronn...@gmail.com> wrote: > Won't you run into the problem that the Object ID's are aliased? That's > why I never pursued much in that direction regarding after effects. You > would just end up with poor mattes. I'm interested to hear how you worked > around that. > > What I would really prefer is a multi-channel EXR out of soft with user > definable mattes per channel. Just one grayscale channel per object would > be nice. We use a lot of RGB mattes with AE and it works well, I just wish > I could get many more layers out of one seqeunce. > > On Thu, Oct 18, 2012 at 11:13 AM, Ed Manning <etmth...@gmail.com> wrote: > >> hey eric -- could you post the links you found? (I'm feeling to lazy to >> google that string myself!) ;-) >> >> >> On Thu, Oct 18, 2012 at 11:03 AM, Eric Lampi <ericla...@gmail.com> wrote: >> >>> Murphy's Law applied to email lists, 5 minutes after you send off a help >>> post, you find what you need. I did a search on ObjectID instead of Object >>> Label after seeing someone refer to it... >>> >>> Thanks anyway, >>> >>> Eric >>> >>> -- >>> Freelance 3D and VFX animator >>> >>> http://vimeopro.com/user7979713/3d-work >>> >>> >> > -- Freelance 3D and VFX animator http://vimeopro.com/user7979713/3d-work
