public static LineIntersectionResult <double> ComputeIntersection(CoordinatePair2 <double> segmentP, CoordinatePair2 <double> segmentQ)
{
if (segmentP == null || segmentQ == null)
{
return(new LineIntersectionResult <double>());
}
return(ComputeIntersection(segmentP.Start, segmentP.End, segmentQ.Start, segmentQ.End));
}
public static double Length(CoordinatePair2 <double> seg)
{
if (seg == null)
{
return(double.NaN);
}
return(Length(seg.Start, seg.End));
}
public CoordinatePair2(CoordinatePair2 <T> other)
{
if (other == null)
{
throw new ArgumentNullException();
}
this.Start = new Coordinate2 <T>(other.Start);
this.End = new Coordinate2 <T>(other.End);
}
public static bool HasIntersection(CoordinatePair2 <double> segmentP, CoordinatePair2 <double> segmentQ)
{
if (segmentP == null || segmentQ == null)
{
return(false);
}
LineIntersectionResult <double> tmp = ComputeIntersection(segmentP.Start, segmentP.End, segmentQ.Start, segmentQ.End);
return(tmp.IntersectionType != LineIntersectionType.NoIntersection);
}
public bool EqualsNonDirectional(CoordinatePair2 <T> other)
{
if (this.Start.Equals(other.Start))
{
return(this.End.Equals(other.End));
}
if (this.End.Equals(other.Start))
{
return(this.Start.Equals(other.End));
}
return(false);
}
public static LineIntersectionType ComputeIntersectionType(CoordinatePair2 <double> segment, Coordinate2 <double> p)
{
if (segment == null || p == null)
{
return(LineIntersectionType.NoIntersection);
}
// do between check first, since it is faster than the orientation test
if (PointInEnvelope(segment.Start, segment.End, p))
{
if ((OrientationIndex(segment.Start, segment.End, p) == 0) && (OrientationIndex(segment.End, segment.Start, p) == 0))
{
return(LineIntersectionType.PointIntersection);
}
}
return(LineIntersectionType.NoIntersection);
}
public static double DistancePerpendicular(CoordinatePair2 <double> seg, Coordinate2 <double> q)
{
return(DistancePerpendicular(seg.Start, seg.End, q));
}
public bool Equals(CoordinatePair2 <T> other)
{
return(this.Start.Equals(other.Start) && this.End.Equals(other.End));
}