Mohamed Samy

in documentation them write If you are at the geometry level or have an object selected and you create a metaball, it will go into the selected object. this not working for me!
https://www.sidefx.com/docs/houdini/shelf/metaball.html [www.sidefx.com]

Konstantin Magnus
Here is a way using VEX: https://forums.odforce.net/topic/44638-arc-from-three-points-vex/?do=findComment&comment=209885 [forums.odforce.net]

i need ui controls it a code solution

Construct a Circle from 3 Points (this section is not clear in houdini documentation.. any advice?
https://www.sidefx.com/docs/houdini/shelf/circle.html [www.sidefx.com]