public LineSegment(Line source, Line itx1, Line itx2, int idOnSource, SortedIntersectionData ds)
{
Source = source;
FirstIntersection = itx1;
SecondIntersection = itx2;
IdOnSource = idOnSource;
FirstIntersectionCoord = ds[source.Id].LineToCoordinate.GetOrAdd(itx1, source.Intersection(itx1));
SecondIntersectionCoord = ds[source.Id].LineToCoordinate.GetOrAdd(itx2, source.Intersection(itx2));
}
public void PopulateSegmentData(Line myLine, SortedIntersectionData ds, bool reset = true)
{
Segments = new LineSegment[count - 1];
_segmentsInv = new LineSegment[count - 1];
var i = 0;
foreach (var cellWall in LineList.Zip(LineList.Skip(1), (a, b) => new { First = a, Second = b }))
{
Segments[i] = new LineSegment(myLine, cellWall.First, cellWall.Second, i, ds);
_segmentsInv[i] = new LineSegment(myLine, cellWall.Second, cellWall.First, i, ds);
i++;
}
if (reset)
{
ResetVisitationData();
}
}
public void AddLineToExistingData(Line cellline, SortedIntersectionData ds)
{
var icoord = cellline.Intersection(this.MyLine);
lock (locker)
{
if (!CoordinateToLine.ContainsKey(icoord))
{
CoordinateToLine.Add(icoord, new HashSet <Line>());
}
CoordinateToLine[icoord].Add(cellline);
CoordinateToLine[icoord].Add(this.MyLine);
LineToCoordinate.GetOrAdd(cellline, icoord);
var lineLst = LineList.ToList();
var loc = lineLst.BinarySearch(cellline, new LineIntersectionComparer(LineToCoordinate));
if (loc < 0)
{
lineLst.Insert(~loc, cellline);
}
else
{
throw new Exception("something is bad.");
}
var intersectionlst =
lineLst.Select(l => new { line = l, intersection = LineToCoordinate[l] })
.GroupBy(l => l.intersection);
count = 0;
var tmpLinelist = new List <Line>();
foreach (var g in intersectionlst)
{
var tcount = 0;
foreach (var line in g.Select(l => l.line))
{
ranks[line.Id] = count;
if (tcount == 0)
{
tmpLinelist.Add(line);
}
tcount++;
}
if (StaticConfigParams.ComputeSanityChecks && tcount > 1)
{
throw new ArgumentException("We found more than two lines intersecting at the same point, this is not supported currently.");
}
count++;
}
LineList = tmpLinelist.ToArray();
if (Segments.Length != (count - 1))
{
var seglst = Segments.ToList();
var invseglst = _segmentsInv.ToList();
LeftCellsVisited = new bool[count];
var _leftCellsVisited = LeftCellsVisited.ToList();
var _rightCellsVisited = RightCellsVisited.ToList();
var _segmentToCellMap = SegmentToCellMap.ToList();
var idx = tmpLinelist.IndexOf(cellline);
if (idx == 0)
{
seglst.Insert(0, new LineSegment(MyLine, cellline, tmpLinelist[1], 0, ds));
invseglst.Insert(0, new LineSegment(MyLine, tmpLinelist[1], cellline, 0, ds));
_leftCellsVisited.Insert(0, false);
_rightCellsVisited.Insert(0, false);
_segmentToCellMap.Insert(0, null);
}
else if (idx == tmpLinelist.Count - 1)
{
seglst.Insert(idx - 1, new LineSegment(MyLine, tmpLinelist[idx - 1], cellline, idx, ds));
invseglst.Insert(idx - 1, new LineSegment(MyLine, cellline, tmpLinelist[idx - 1], idx, ds));
_leftCellsVisited.Insert(idx - 1, false);
_rightCellsVisited.Insert(idx - 1, false);
_segmentToCellMap.Insert(idx - 1, null);
}
else
{
//insert
seglst.RemoveAt(idx - 1);
invseglst.RemoveAt(idx - 1);
_leftCellsVisited.RemoveAt(idx - 1);
_rightCellsVisited.RemoveAt(idx - 1);
_segmentToCellMap.RemoveAt(idx - 1);
seglst.Insert(idx - 1, new LineSegment(MyLine, tmpLinelist[idx - 1], cellline, idx, ds));
invseglst.Insert(idx - 1, new LineSegment(MyLine, cellline, tmpLinelist[idx - 1], idx, ds));
_leftCellsVisited.Insert(idx - 1, false);
_rightCellsVisited.Insert(idx - 1, false);
_segmentToCellMap.Insert(idx - 1, null);
seglst.Insert(idx, new LineSegment(MyLine, cellline, tmpLinelist[idx + 1], idx + 1, ds));
invseglst.Insert(idx, new LineSegment(MyLine, tmpLinelist[idx + 1], cellline, idx + 1, ds));
_leftCellsVisited.Insert(idx, false);
_rightCellsVisited.Insert(idx, false);
_segmentToCellMap.Insert(idx, null);
}
for (var i = idx; i < seglst.Count; i++)
{
seglst[i].IdOnSource = i;
invseglst[i].IdOnSource = i;
}
/*
* foreach (var cellWall in LineList.Zip(LineList.Skip(1), (a, b) => new { First = a, Second = b }))
* {
* if (cellWall.First == cellline || cellWall.Second == cellline)
* {
* if (i > 0 && i < Segments.Length)
* {
* seglst[i] = new LineSegment(MyLine, cellWall.First, cellWall.Second, i, ds);
* invseglst[i] = new LineSegment(MyLine, cellWall.Second, cellWall.First, i, ds);
* }
* else
* {
* seglst.Insert(i, new LineSegment(MyLine, cellWall.First, cellWall.Second, i, ds));
* invseglst.Insert(i, new LineSegment(MyLine, cellWall.Second, cellWall.First, i, ds));
* }
* }
* else
* {
* seglst[i].IdOnSource = i;
* invseglst[i].IdOnSource = i;
* }
* i++;
* }
*/
Segments = seglst.ToArray();
_segmentsInv = invseglst.ToArray();
LeftCellsVisited = _leftCellsVisited.ToArray();
RightCellsVisited = _rightCellsVisited.ToArray();
SegmentToCellMap = _segmentToCellMap.ToArray();
}
}
}
