Set range to outline of Circle / Ellipse

[James Goode]

Hello,

I have an object that uses 0, 0 as the centre point (so the 4 maximum points are -a/2, a/2, b/2, -b/2).

I have a node that I don’t want to be able to move outside of my ellipse / circle (Think tree trunk moving under a canopy, wouldn’t be able to put the trunk outside of the canopy). I don’t know if anyone has had to do this so has the code / calculations to hand? or if there’s an ArchiCAD object that can do this? I will need the calculations for both the circle and ellipse.

Any help is much appreciated.

Thanks

[Lingwisyer GC]

For those interested, answered in the following thread:

https://archicad-talk.graphisoft.com/viewtopic.php?f=6&t=69395&p=308859&hilit=Ellipse#p308859

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