Namespace providing different geometric functions concerning angles.
pick any of the prior targets (should be implemented for all nodes)
Pick spline curve or surface (picks u or u,v coords respectively)
picks edges (may not be implemented for all nodes)
PickTarget
What target to use for picking.
picks faces (may not be implemented for all nodes)
picks only visible front verices (may not be implemented for all nodes)
picks faces (should be implemented for all nodes)
picks verices (may not be implemented for all nodes)
picks only visible front edges (may not be implemented for all nodes)