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About compositing and matte

Posted: Fri Apr 09, 2021 4:56 pm
by davidyannick_1
I'd like to render a pass with the cars hidden by the bridge, but the bridge does not hide the cars first screeenshitI've tried layer 1 for the bridge and 2 for the cars, os I've tried to put cars on layers 2 and the cars still not hidden ? any idea ?

Thanks

Re: About compositing and matte

Posted: Fri Apr 09, 2021 5:42 pm
by davidyannick_1
Here is what I'd like to obtain (here in redshift), the bridge hides cars at first floor

Is it possible in Octane ?

Re: About compositing and matte

Posted: Fri Apr 09, 2021 7:04 pm
by galleon27
You're not rendering your Bridge. Its excluded. Render it with the bridge. Bridge and the cars have to have different Object Layer IDs. The hierarchy doesn't matter. Right click on IPR > View Layer

Re: About compositing and matte

Posted: Fri Apr 09, 2021 7:09 pm
by davidyannick_1
galleon27 wrote:You're not rendering your Bridge. Its excluded. Render it with the bridge. Bridge and the cars have to have different Object Layer IDs. The hierarchy doesn't matter. Right click on IPR > View Layer
ok thanks for your help :)