///<summary>
/// Creates an intersection finder which finds all interior intersections.
/// The intersections are recorded for later inspection.
///</summary>
/// <param name="li">A line intersector.</param>
/// <returns>a intersection finder which finds all interior intersections.</returns>
public static InteriorIntersectionFinder CreateAllIntersectionsFinder(LineIntersector li)
{
var finder = new InteriorIntersectionFinder(li);
finder.FindAllIntersections = true;
return(finder);
}
///<summary>
/// Creates an intersection finder which counts all interior intersections.
/// The intersections are note recorded to reduce memory usage.
///</summary>
/// <param name="li">A line intersector.</param>
/// <returns>a intersection finder which counts all interior intersections.</returns>
public static InteriorIntersectionFinder CreateIntersectionCounter(LineIntersector li)
{
InteriorIntersectionFinder finder = new InteriorIntersectionFinder(li);
finder.FindAllIntersections = true;
finder.KeepIntersections = false;
return(finder);
}
private void CheckInteriorIntersections()
{
/*
* MD - It may even be reliable to simply check whether
* end segments (of SegmentStrings) have an interior intersection,
* since noding should have split any true interior intersections already.
*/
_isValid = true;
_segInt = new InteriorIntersectionFinder(_li);
_segInt.FindAllIntersections = FindAllIntersections;
MCIndexNoder noder = new MCIndexNoder(_segInt);
noder.ComputeNodes(_segStrings); //.ComputeNodes(segStrings);
if (_segInt.HasIntersection)
{
_isValid = false;
return;
}
}
///<summary>
/// Creates an intersection finder which counts all interior intersections.
/// The intersections are note recorded to reduce memory usage.
///</summary>
/// <param name="li">A line intersector.</param>
/// <returns>a intersection finder which counts all interior intersections.</returns>
public static InteriorIntersectionFinder CreateIntersectionCounter(LineIntersector li)
{
InteriorIntersectionFinder finder = new InteriorIntersectionFinder(li);
finder.FindAllIntersections = true;
finder.KeepIntersections = false;
return finder;
}
private void CheckInteriorIntersections()
{
/*
* MD - It may even be reliable to simply check whether
* end segments (of SegmentStrings) have an interior intersection,
* since noding should have split any true interior intersections already.
*/
_isValid = true;
_segInt = new InteriorIntersectionFinder(_li);
_segInt.FindAllIntersections = FindAllIntersections;
MCIndexNoder noder = new MCIndexNoder(_segInt);
noder.ComputeNodes(_segStrings); //.ComputeNodes(segStrings);
if (_segInt.HasIntersection)
{
_isValid = false;
return;
}
}