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replacing nearest neighbor grid by static r-tree

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Dennis Luxen
2013-06-26 09:32:03 -04:00
parent 0a6c37b726
commit 648f9c9723
7 changed files with 106 additions and 58 deletions
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RoutingAlgorithms/BasicRoutingInterface.h
+1
View File
@@ -44,6 +44,7 @@ public:
inline void RoutingStep(typename QueryDataT::QueryHeap & _forwardHeap, typename QueryDataT::QueryHeap & _backwardHeap, NodeID *middle, int *_upperbound, const int edgeBasedOffset, const bool forwardDirection) const {
const NodeID node = _forwardHeap.DeleteMin();
const int distance = _forwardHeap.GetKey(node);
//INFO("Settled (" << _forwardHeap.GetData( node ).parent << "," << node << ")=" << distance);
if(_backwardHeap.WasInserted(node) ){
const int newDistance = _backwardHeap.GetKey(node) + distance;
if(newDistance < *_upperbound ){
RoutingAlgorithms/ShortestPathRouting.h
+8 -2
View File
@@ -73,18 +73,24 @@ public:
//insert new starting nodes into forward heap, adjusted by previous distances.
if(searchFrom1stStartNode) {
forward_heap1.Insert(phantomNodePair.startPhantom.edgeBasedNode, -phantomNodePair.startPhantom.weight1, phantomNodePair.startPhantom.edgeBasedNode);
INFO("fw1: " << phantomNodePair.startPhantom.edgeBasedNode << "´, w: " << -phantomNodePair.startPhantom.weight1);
forward_heap2.Insert(phantomNodePair.startPhantom.edgeBasedNode, -phantomNodePair.startPhantom.weight1, phantomNodePair.startPhantom.edgeBasedNode);
}
INFO("fw2: " << phantomNodePair.startPhantom.edgeBasedNode << "´, w: " << -phantomNodePair.startPhantom.weight1);
}
if(phantomNodePair.startPhantom.isBidirected() && searchFrom2ndStartNode) {
forward_heap1.Insert(phantomNodePair.startPhantom.edgeBasedNode+1, -phantomNodePair.startPhantom.weight2, phantomNodePair.startPhantom.edgeBasedNode+1);
INFO("fw1: " << phantomNodePair.startPhantom.edgeBasedNode+1 << "´, w: " << -phantomNodePair.startPhantom.weight2);
forward_heap2.Insert(phantomNodePair.startPhantom.edgeBasedNode+1, -phantomNodePair.startPhantom.weight2, phantomNodePair.startPhantom.edgeBasedNode+1);
INFO("fw2: " << phantomNodePair.startPhantom.edgeBasedNode+1 << "´, w: " << -phantomNodePair.startPhantom.weight2);
}
//insert new backward nodes into backward heap, unadjusted.
reverse_heap1.Insert(phantomNodePair.targetPhantom.edgeBasedNode, phantomNodePair.targetPhantom.weight1, phantomNodePair.targetPhantom.edgeBasedNode);
INFO("rv1: " << phantomNodePair.targetPhantom.edgeBasedNode << ", w;" << phantomNodePair.targetPhantom.weight1 );
if(phantomNodePair.targetPhantom.isBidirected() ) {
reverse_heap2.Insert(phantomNodePair.targetPhantom.edgeBasedNode+1, phantomNodePair.targetPhantom.weight2, phantomNodePair.targetPhantom.edgeBasedNode+1);
}
INFO("rv2: " << phantomNodePair.targetPhantom.edgeBasedNode+1 << ", w;" << phantomNodePair.targetPhantom.weight2 );
}
const int forward_offset = phantomNodePair.startPhantom.weight1 + (phantomNodePair.startPhantom.isBidirected() ? phantomNodePair.startPhantom.weight2 : 0);
const int reverse_offset = phantomNodePair.targetPhantom.weight1 + (phantomNodePair.targetPhantom.isBidirected() ? phantomNodePair.targetPhantom.weight2 : 0);