/// <summary>
/// Computes the noding for a collection of <see cref="SegmentString" />s.
/// Some Noders may add all these nodes to the input <see cref="SegmentString" />s;
/// others may only add some or none at all.
/// </summary>
/// <param name="inputSegmentStrings"></param>
public void ComputeNodes(IList inputSegmentStrings)
{
_nodedSegStrings = inputSegmentStrings;
_noder = new McIndexNoder();
_pointSnapper = new McIndexPointSnapper(_noder.Index);
SnapRound(inputSegmentStrings, _li);
}
/// <summary>
/// Computes the noding for a collection of <see cref="SegmentString" />s.
/// Some Noders may add all these nodes to the input <see cref="SegmentString" />s;
/// others may only add some or none at all.
/// </summary>
/// <param name="inputSegmentStrings"></param>
public void ComputeNodes(IList inputSegmentStrings)
{
_nodedSegStrings = inputSegmentStrings;
_noder = new McIndexNoder();
_pointSnapper = new McIndexPointSnapper(_noder.Index);
SnapRound(inputSegmentStrings, _li);
}
/// <summary>
/// Computes all interior intersections in the collection of <see cref="SegmentString" />s,
/// and returns their <see cref="Coordinate" />s.
/// Does NOT node the segStrings.
/// </summary>
/// <param name="segStrings"></param>
/// <param name="li"></param>
/// <returns>A list of <see cref="Coordinate" />s for the intersections.</returns>
private static IList FindInteriorIntersections(IList segStrings, LineIntersector li)
{
IntersectionFinderAdder intFinderAdder = new IntersectionFinderAdder(li);
SinglePassNoder noder = new McIndexNoder(intFinderAdder);
noder.ComputeNodes(segStrings);
return(intFinderAdder.InteriorIntersections);
}
/// <summary>
///
/// </summary>
/// <param name="precisionModel"></param>
/// <returns></returns>
private static INoder GetNoder(PrecisionModel precisionModel)
{
// otherwise use a fast (but non-robust) noder
LineIntersector li = new RobustLineIntersector();
li.PrecisionModel = precisionModel;
McIndexNoder noder = new McIndexNoder(new IntersectionAdder(li));
return(noder);
}
/// <summary>
/// Computes all interior intersections in the collection of <see cref="SegmentString" />s,
/// and returns their <see cref="Coordinate" />s.
/// Does NOT node the segStrings.
/// </summary>
/// <param name="segStrings"></param>
/// <param name="li"></param>
/// <returns>A list of <see cref="Coordinate" />s for the intersections.</returns>
private static IList FindInteriorIntersections(IList segStrings, LineIntersector li)
{
IntersectionFinderAdder intFinderAdder = new IntersectionFinderAdder(li);
SinglePassNoder noder = new McIndexNoder(intFinderAdder);
noder.ComputeNodes(segStrings);
return intFinderAdder.InteriorIntersections;
}
