/// <summary>
///
/// </summary>
/// <param name="pt"></param>
/// <returns></returns>
public bool IsInside(Coordinate pt)
{
_crossings = 0;
// test all segments intersected by ray from pt in positive x direction
Envelope rayEnv = new Envelope(Double.NegativeInfinity, Double.PositiveInfinity, pt.Y, pt.Y);
_interval.Min = pt.Y;
_interval.Max = pt.Y;
IList segs = _tree.Query(_interval);
McSelecter mcSelecter = new McSelecter(this, pt);
for (IEnumerator i = segs.GetEnumerator(); i.MoveNext();)
{
MonotoneChain mc = (MonotoneChain)i.Current;
TestMonotoneChain(rayEnv, mcSelecter, mc);
}
/*
* p is inside if number of crossings is odd.
*/
if ((_crossings % 2) == 1)
{
return(true);
}
return(false);
}
/// <summary>
///
/// </summary>
/// <param name="pt"></param>
/// <returns></returns>
public bool IsInside(Coordinate pt)
{
_crossings = 0;
// test all segments intersected by ray from pt in positive x direction
Envelope rayEnv = new Envelope(Double.NegativeInfinity, Double.PositiveInfinity, pt.Y, pt.Y);
_interval.Min = pt.Y;
_interval.Max = pt.Y;
IList segs = _tree.Query(_interval);
McSelecter mcSelecter = new McSelecter(this, pt);
for (IEnumerator i = segs.GetEnumerator(); i.MoveNext(); )
{
MonotoneChain mc = (MonotoneChain)i.Current;
TestMonotoneChain(rayEnv, mcSelecter, mc);
}
/*
* p is inside if number of crossings is odd.
*/
if ((_crossings % 2) == 1)
return true;
return false;
}