Ok, I have a file that I made during a tut for glare nodes in cycles 2.71. Then I decided I wanted to check out some stuff with this node so I started my own file and I can’t get it to work. The only difference that I can see between the two files after cursing at them for a half hour is the emit node on the render boxes. One has it and one doesn’t:
Why in John Wayne’s back side won’t it work?