Sign of the z-coordinate of the cross
product of the Direction property with the segment vector.
TripleProductSign is 1 if the segment direction is to be on the left of
the constraint direction,
or -1 if the segment direction is to be on the right.
Namespace:
Autodesk.Revit.DB.Structure
Assembly:
RevitAPI
(in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)
Since:
2012