Create A Matte "by The Numbers"

[user_deleted]

I was wonder if anyones knows how to create a matte "by the numbers" using color curve to the luma-key a image?

[user_deleted]

not sure what you mean by the numbers, but if you mean with only basic nodes, this should do:

CODE
Color1 = Color(720, 576, 1, 0.6, 0.6, 0.6, 1, 0);
Grad1 = Grad(720, 576, 1, 0.5, 0.5, 1, 0, 0, 1, 0, 0, 1, 0, 1,
    0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0);
Monochrome1 = Monochrome(Grad1, 0.3, 0.59, 0.11);
Lookup1 = Lookup(Monochrome1, JSplineV(x,1,0@0,0.081@0.1296,0.7987@0.6284,1@1),
    NRiScript1.Lookup1.rExpr, NRiScript1.Lookup1.rExpr, JSplineV(x,1,0@0,1@1));
Reorder1 = Reorder(Lookup1, "rrrr");
KeyMix1 = KeyMix(Color1, Grad1, Reorder1, 1, "A", 100, 0);

although this one is a bit easier:

CODE
Color1 = Color(720, 576, 1, 0.6, 0.6, 0.6, 1, 0);
Grad1 = Grad(720, 576, 1, 0.5, 0.5, 1, 0, 0, 1, 0, 0, 1, 0, 1,
    0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0);
LumaKey1 = LumaKey(Grad1, 0, 1, 0, 0, 0);
Lookup2 = Lookup(LumaKey1, JSplineV(x,1,0@0,1@1), JSplineV(x,1,0@0,1@1),
    JSplineV(x,1,0@0,1@1), JSplineV(x,1,0@0,0.0489@0.0931,0.8248@0.6222,1@1));
KeyMix2 = KeyMix(Color1, Grad1, Lookup2, 1, "A", 100, 0);