computational.geometry.segmentintersection
Classes 
SegmentIntersection
SlowSegmentIntersection
SweepingLine
SweepingLine.IntersectionPoint
SweepingLine.SegmentEndPoint
SweepingLineEvent
SweepingLineEvent.IntersectionFound
SweepingLineEvent.SegmentIn
SweepingLineEvent.SegmentOut
SweepingLineEvent.TestSegments