Re: Green screen issue! Please help!! Oh God please someone help!

An alternate approach, one that is explored in the Shake tutorials, is to avoid using the greenscreen nodes to do the actual compositing. Instead, use nodes to generate what you will modify into being an alpha channel in a simple Keymix. Once you have pulled a reasonable matte on the greenscreen, pull the hi-con out of the tree, reassign it so that the RGB is occupied by the alpha separation you have just created. It is now eligible for erosion/blurring, multiplication, addition, and so on, with other green mattes that you may have pulled that work better for different areas. Isolate different areas with a roto-shape. Recombine them into a comprehensive alpha, and you'll be surprised with how much control you have over any aspect of the composite.

There is a fairly effective spill suppressor in the nreal Cookbook that can be fairly easily installed if you know how to copy the .nri, .h and UI.h files into the ui folders.

jPo

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