Curtate Cycloid Select objects inside, outside or intersection object of closed planar curve - Rhino3d V3, V4 







select objects inside outside intersection objectsselect objects inside outside intersection objects

Download SelInOutIntersect for RhinocerosV3
Download SelInOutIntersect
for RhinocerosV4
Download SelInOutIntersect formless/script version (seems faster)