Arc Tangent to 3 Circles

I know there's a component to give a circle that is tangent to 3 input circles, but is it possible to get just an arc that is tangent to 3 circles using GH components?

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Permalink Reply by Joseph Oster on August 18, 2017 at 8:05pm

Attachments:

ArcTangent3_2017Aug18a.gh, 14 KB

Permalink Reply by martyn hogg on August 20, 2017 at 4:22pm

Thanks Joseph!

Permalink Reply by Joseph Oster on August 20, 2017 at 6:19pm

Probably makes no difference in this model, but instead of the fixed 'Pt' (0,0,0) as the reference for 'CircleTTT', this version uses the center of 'Area' for a triangle connecting the three points:

Attachments:

ArcTangent3_2017Aug20a.gh, 14 KB

Permalink Reply by Joseph Oster on August 21, 2017 at 8:23pm

center of 'Area' for a triangle connecting the three points

Turns out that 'Avr (Average)' of the three points gives the same result! Added a 'Shift' slider to change the sequence of the points that define the 'Arc':

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