private void Add(ILineString lineString)
{
if (_factory == null)
{
_factory = lineString.Factory;
}
ICoordinateSequence seq = lineString.CoordinateSequence;
for (int i = 1; i < seq.Count; i++)
{
Coordinate prev = seq.GetCoordinate(i - 1);
Coordinate curr = seq.GetCoordinate(i);
DissolveHalfEdge e = (DissolveHalfEdge)_graph.AddEdge(prev, curr);
// Record source initial segments, so that they can be reflected in output when needed
// (i.e. during formation of isolated rings)
if (i == 1)
{
e.SetStart();
}
}
}
