RPF Object ID Selections
by scott faulhaber
on
Apr 25, 2008 at 10:56:22 am
Still new to combustion....
I have 2 image sequences in my composite.... One sequence has object id info saved in a RPF the other is just a PNG sequence.
Is there a way in combustion to get selections from the RPF sequence and apply them to the PNG sequence so I can make color corrections on objects in the PNG sequence??
The 2 sequences are pretty much identical...same rendered frames, just made a mistake of rendering png instead of rpf, but need to adjust elements in the png.
Re: RPF Object ID Selections by Eric Craft on Apr 25, 2008 at 2:45:12 pm
There are 2 ways I can think to do this:
1) You can build a new RPF type object using the GBuffer Builder. Apply the GBuffer Builder to your PNG Sequence, Add a Show GBuffer to the RPF Sequence set to Object ID, Plug the Show Gbuffer (Object ID) into the Object ID slot (NOTE: For best results do the same for the coverage channel also), Apply GBuffer Object Selection on top of the GBuffer Builder.
2) Replace the RGB channel of the RPF Sequence with that of the PNG Sequence. Apply a Compound RGB Arithmetic to the RPF Sequence, Link the R,G, and B slots to the PNG Sequence (Operator: Set, Input: Same as the channel R Input: Red), Apply Object Selection Operator on top of the Compound RGB Arithmetic Operator.
Re: RPF Object ID Selections by scott faulhaber on Apr 25, 2008 at 8:06:46 pm
Eric thank you! I tried your second option first and it works perfect...I'll try your first option later. Just saved me many hours.... Have a great weekend
