In Arnold there is the utility shader that does out of the box. Another option is to have several multimattes (R,G,B,A) this way it will be easier to matte..
On Monday, 17 February 2014, Siew Yi Liang <soni...@gmail.com> wrote: > It's not really object id here...but it's a similar thing using the > store colour in channel node. Personally I don't like object IDs for > compositing, I'd rather composite the passes over each other...more clean > that way rather than dealing with matte fringes. > > > http://caffeineabuse.blogspot.com/2012/03/using-render-channels-in-softimage.html > > Yours sincerely, > Siew Yi Liang > > On 2/16/2014 2:00 PM, David Rivera wrote: > > Hello, I´ve seen a video tutorial where the guy explains that he uses a > "random" > function to "color" each object with a random-non-repeating color for > later compositing. > > Anyone knows such technique? or recalls where could the video be found? > I don´t remember well, but he uses it on the color wheel...I might be > wrong... > Thanks. > > David. > > >
