Compositing CGI with Bigger Node Trees - Nuke 101: Professional Compositing and Visual Effects - page 121

Notice howthelabel changed toreflect thisintheDAG,thankstoourTCL script
( FIGURE 3.32 ) .
Figure 3.32. The TCL script made the label change automatically.
19. Select Unpremult2 and press M on the keyboard.
20. Connect Merge1's B input to Unpremult1.
21. MakesureMerge1'sPropertiespanelisopenandchangetheOperationproperty's
drop-down menu from Over to Multiply.
22. Move Merge1 so it's directly underneath Unpremult1 and in a straight line from
Unpremult2 ( FIGURE 3.33 ) .
Figure 3.33. Merge1 should be placed like so.
Thelightmultipliedbytheunshadedtextureessentiallycreateswhat'scommonly
called the diffuse pass ( FIGURE 3.34 ) .
Figure 3.34. The Col pass added. The highlighted line will be duplicated for
each additional pass.