public DepthSegment(SubgraphDepthLocater depthLocater,
LineSegment segment, int depth)
{
this.m_objDepthLocater = depthLocater;
// input seg is assumed to be normalized
upwardSeg = new LineSegment(segment, segment.Factory);
//upwardSeg.Normalize();
this.leftDepth = depth;
}
/// <summary>
/// Completes the building of the input subgraphs by depth-labelling them,
/// and adds them to the PolygonBuilder.
/// The subgraph list must be sorted in rightmost-coordinate order.
/// </summary>
/// <param name="subgraphList">the subgraphs to build
/// </param>
/// <param name="polyBuilder">the PolygonBuilder which will build the final polygons
/// </param>
private void BuildSubgraphs(IList subgraphList, PolygonBuilder polyBuilder)
{
ArrayList processedGraphs = new ArrayList();
int nCount = subgraphList.Count;
for (int i = 0; i < nCount; i++)
{
BufferSubgraph subgraph = (BufferSubgraph)subgraphList[i];
Coordinate p = subgraph.RightmostCoordinate;
SubgraphDepthLocater locater = new SubgraphDepthLocater(processedGraphs);
int outsideDepth = locater.GetDepth(p);
subgraph.ComputeDepth(outsideDepth);
subgraph.FindResultEdges();
processedGraphs.Add(subgraph);
polyBuilder.Add(subgraph.DirectedEdges, subgraph.Nodes);
}
}
