question: private void addMitreJoin ( Coordinate p , LineSegment offset0 , LineSegment offset1 , double distance ) { boolean isMitreWithinLimit = true ; Coordinate intPt = null ; try { intPt = HCoordinate . intersection ( offset0 . p0 , offset0 . p1 , offset1 . p0 , offset1 . p1 ) ; double mitreRatio = distance <= 0.0 ? 1.0 : intPt . distance ( p ) / Math . abs ( distance ) ; if ( mitreRatio > bufParams . getMitreLimit ( ) ) isMitreWithinLimit = false ; } catch ( NotRepresentableException ex ) { intPt = new Coordinate ( 0 , 0 ) ; isMitreWithinLimit = false ; } if ( isMitreWithinLimit ) { segList . addPt ( intPt ) ; } else { addLimitedMitreJoin ( offset0 , offset1 , distance , bufParams . getMitreLimit ( ) ) ; } }
target:  Adds a mitre join connecting the two reflex offset segments. The mitre will be beveled if it exceeds the mitre ratio limit.