/// <summary>
/// Remove the segs in the section of the line.
/// </summary>
/// <param name="line"></param>
/// <param name="start"></param>
/// <param name="end"></param>
private void Remove(TaggedLineString line, int start, int end)
{
for (int i = start; i < end; i++)
{
TaggedLineSegment seg = line.GetSegment(i);
_inputIndex.Remove(seg);
}
}
/// <summary>
///
/// </summary>
/// <param name="line"></param>
public virtual void Add(TaggedLineString line)
{
TaggedLineSegment[] segs = line.Segments;
for (int i = 0; i < segs.Length - 1; i++)
{
TaggedLineSegment seg = segs[i];
Add(seg);
}
}
/// <summary>
///
/// </summary>
private void Init()
{
IList <Coordinate> pts = _parentLine.Coordinates;
_segs = new TaggedLineSegment[pts.Count - 1];
for (int i = 0; i < pts.Count - 1; i++)
{
TaggedLineSegment seg
= new TaggedLineSegment(pts[i], pts[i + 1], _parentLine, i);
_segs[i] = seg;
}
}
/// <summary>
///
/// </summary>
/// <param name="parentLine"></param>
/// <param name="sectionIndex"></param>
/// <param name="candidateSeg"></param>
/// <returns></returns>
private bool HasBadInputIntersection(TaggedLineString parentLine, int[] sectionIndex, LineSegment candidateSeg)
{
IList querySegs = _inputIndex.Query(candidateSeg);
for (IEnumerator i = querySegs.GetEnumerator(); i.MoveNext();)
{
TaggedLineSegment querySeg = (TaggedLineSegment)i.Current;
if (HasInteriorIntersection(querySeg, candidateSeg))
{
if (IsInLineSection(parentLine, sectionIndex, querySeg))
{
continue;
}
return(true);
}
}
return(false);
}
/// <summary>
///
/// </summary>
private void Init()
{
IList<Coordinate> pts = _parentLine.Coordinates;
_segs = new TaggedLineSegment[pts.Count - 1];
for (int i = 0; i < pts.Count - 1; i++)
{
TaggedLineSegment seg
= new TaggedLineSegment(pts[i], pts[i + 1], _parentLine, i);
_segs[i] = seg;
}
}
/// <summary>
/// Tests whether a segment is in a section of a TaggedLineString-
/// </summary>
/// <param name="line"></param>
/// <param name="sectionIndex"></param>
/// <param name="seg"></param>
/// <returns></returns>
private static bool IsInLineSection(TaggedLineString line, int[] sectionIndex, TaggedLineSegment seg)
{
// not in this line
if (seg.Parent != line.Parent) return false;
int segIndex = seg.Index;
if (segIndex >= sectionIndex[0] && segIndex < sectionIndex[1])
return true;
return false;
}
/// <summary>
/// Tests whether a segment is in a section of a TaggedLineString-
/// </summary>
/// <param name="line"></param>
/// <param name="sectionIndex"></param>
/// <param name="seg"></param>
/// <returns></returns>
private static bool IsInLineSection(TaggedLineString line, int[] sectionIndex, TaggedLineSegment seg)
{
// not in this line
if (seg.Parent != line.Parent)
{
return(false);
}
int segIndex = seg.Index;
if (segIndex >= sectionIndex[0] && segIndex < sectionIndex[1])
{
return(true);
}
return(false);
}
