trying to parameterize nozzle on a tank
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I am trying to set a parameter for how for the nozzle is from the center of the tank but there does not seem to be a way to do this. I got the angle parameter to work just fine. The nozzle is a child family I loaded in. I tried aligning each axis of the nozzle to the axes of tank and I got it work in one quadrant calculating the distances with sin and cos, but Revit doesn't like negative length parameters, I guess.
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