/// <summary>
/// Computes a segment intersection using homogeneous coordinates.
/// Round-off error can cause the raw computation to fail,
/// (usually due to the segments being approximately parallel).
/// If this happens, a reasonable approximation is computed instead.
/// </summary>
private static Coordinate SafeHCoordinateIntersection(Coordinate p1, Coordinate p2, Coordinate q1, Coordinate q2)
{
Coordinate intPt;
try
{
intPt = HCoordinate.Intersection(p1, p2, q1, q2);
}
catch (NotRepresentableException e)
{
intPt = CentralEndpointIntersector.GetIntersection(p1, p2, q1, q2);
}
return(intPt);
}
/// <summary>
/// Computes a segment intersection using homogeneous coordinates.
/// Round-off error can cause the raw computation to fail,
/// (usually due to the segments being approximately parallel).
/// If this happens, a reasonable approximation is computed instead.
/// </summary>
private static Coordinate SafeHCoordinateIntersection(Coordinate p1, Coordinate p2, Coordinate q1, Coordinate q2)
{
Coordinate intPt;
try
{
intPt = HCoordinate.Intersection(p1, p2, q1, q2);
}
catch (NotRepresentableException e)
{
// compute an approximate result
// intPt = CentralEndpointIntersector.GetIntersection(p1, p2, q1, q2);
intPt = NearestEndpoint(p1, p2, q1, q2);
}
return(intPt);
}