Graphics Programs Reference
In-Depth Information
You can continue doing this until you combine all the passes. However, I find
working in this way restricts the advantage of the tree, which is mainly easy ac-
cess to every part of it. I prefer to have the Merge node just combine two streams
andhavethestreamsavailableoutsidetheMergenode.Shufflingthechannelsets
inside the Merge node restricts that. Having everything out in the open, the way
youwillbuildthisinthenextsection,isalotmorevisualandopen,andthatgives
you easier access and better control.
12. If you want, save this script with File > Save As, and give it a new name.
13. Click and drag to create a marquee to select Merge1 and Merge2, and then press
the Delete key to delete them.
Splitting the tree
This time around, you will make branches for each pass as you go. This gives you instant
access to every pass in your tree, which is very handy, but it also creates a very big tree.
To not lose your bearings, you need to be very careful how you build the tree and where
you place nodes.
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