Render channels

#1

Im trying to output different channels for compositing purposes. I got the hang of doing it with the Architectural_Multi_Out, which is pretty straight forward. Now let’s say I wanna do the same with a phong, get a store_in_channel and get the diffuse/reflection/refraction into different channels,BUT without using the built in Softimage channels, I wanna learn how to do it on my own. Basically its because I have a diffraction shader for a diamond, and I dont have a clue how to set up the render-tree to extract the channel from it!?

Thx for help guys :wink:

#2

Ok, so the best place for you to begin your research is in passes. Specifically, under the Render menu set Edit > New Pass > Refraction or Reflection or empty. Be sure to read up on the passes in the manual.

Investigate the pass in the Explorer, filtering passes and partitions (shortcut P with cursor over the Explorer). Notice you have two partitions in the pass. One is named “Partition_Refractive”. Start here. Also, notice the overrides. They are only visible if the pass in the “Current Pass”.

#3

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