Expression calculates result, but won’t use it

Feb 03

Expression calculates result, but won’t use it

Hey guys It’s so great to have a community of experts to ask advice from!
I’m trying to parent roto points to a tracker. Hopefully giving me a horizon line based on three tracking points and three roto points. The middle roto point is a bezier and I want the left+right handles to average between the centre and side track points.

Quote:

(Tracker_horizon.track4-10+Tracker_horizon.track2-10)/2

This should add the two track points together (minus 10px offset) and divide by two, hence giving me an average.

But, while in the expression dialog I get the correct result, after it’s applied it seems as if the "/2" is ignored.

Any ideas?

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Hasta La Motion!