olcho
08-25-2007, 10:59 PM
Does anyone know can something like that be done in Maya?
I have a character model and some cables behind him. For compositing reasons I need to render the character and the cables separately. The order must be like that: First Layer is the character and on top of it - the cables.
Now, I want to make the cables pass alpha to be black where the edges of the character are. Black hole for the character doesn't do the trick, because it removes everything that is behind it. I tried to use Opacity Gain with a -1, which works as the black hole, but the moment I try to controll it using a ramp - it stops working.
The only working solution I have is to make a separate Alpha pass which is to render everthing in white and only the character - black with falloff in the transparency.
But is there a way to make this in one render pass?
I have a character model and some cables behind him. For compositing reasons I need to render the character and the cables separately. The order must be like that: First Layer is the character and on top of it - the cables.
Now, I want to make the cables pass alpha to be black where the edges of the character are. Black hole for the character doesn't do the trick, because it removes everything that is behind it. I tried to use Opacity Gain with a -1, which works as the black hole, but the moment I try to controll it using a ramp - it stops working.
The only working solution I have is to make a separate Alpha pass which is to render everthing in white and only the character - black with falloff in the transparency.
But is there a way to make this in one render pass?