private void ComputeBuffer(double distance, int quadrantSegments)
{
if (_makePrecise)
{
double scale = GetArgGeometry(0).PrecisionModel.Scale;
distance *= scale;
}
BufferEdgeBuilder bufEdgeBuilder = new BufferEdgeBuilder(_cga, _li, distance, _makePrecise, quadrantSegments);
ArrayList bufferEdgeList = bufEdgeBuilder.GetEdges(GetArgGeometry(0));
// DEBUGGING ONLY
//WKTWriter wktWriter = new WKTWriter();
//Debug.println("Rings: " + wktWriter.write(toLineStrings(bufferEdgeList.iterator())));
ArrayList nodedEdges = this.NodeEdges(bufferEdgeList);
//TESTING - node again to ensure edges are noded completely
/*
* List nodedEdges2 = nodeEdges(nodedEdges);
* List nodedEdges3 = nodeEdges(nodedEdges2);
* List nodedEdges4 = nodeEdges(nodedEdges3);
* List nodedEdges5 = nodeEdges(nodedEdges4);
* List nodedEdges6 = nodeEdges(nodedEdges5);
*/
//for (Iterator i = nodedEdges.iterator(); i.hasNext(); )
foreach (object obj in nodedEdges)
{
Edge e = (Edge)obj;
InsertEdge(e);
}
ReplaceCollapsedEdges();
// DEBUGGING ONLY
//Debug.println("Noded: " + wktWriter.write(toLineStrings(edgeList.iterator())));
_graph.AddEdges(_edgeList);
ArrayList subgraphList = CreateSubgraphs();
PolygonBuilder polyBuilder = new PolygonBuilder(_geomFact, _cga);
BuildSubgraphs(subgraphList, polyBuilder);
ArrayList resultPolyList = polyBuilder.GetPolygons();
_resultGeom = ComputeGeometry(resultPolyList);
//computeBufferLine(graph);
}