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sample from left
I’m using the expression below on numerous layers’ opacity so that the value is driven by a ramp. Right now I think it is sampling the ramp from the layers anchor point. How can change this to reflect a position to the layers most left? (also all the layers are different sizes and shapes)
min = [0];
max = [100];
l = thisComp.layer(“Ramp”);
p = l.fromComp(toComp(anchorPoint));v = rgbToHsl(l.sampleImage(p))[2];
linear(v, 0, 1, min, max);
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2 Replies
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Try changing this line:
p = l.fromComp(toComp(anchorPoint));
to this:
p = l.fromComp(toComp([0,height/2]));
Dan
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Perfect. Thanks Dan.
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