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Saving 4 bytes on each original edge. Simplifying handling of original

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edge data
This commit is contained in:
DennisOSRM 2013-02-14 17:11:18 +01:00
parent 0f03beb2b5
commit f780aa6160
2 changed files with 16 additions and 14 deletions
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25
Contractor/EdgeBasedGraphFactory.cpp
View File

@ -234,6 +234,9 @@ void EdgeBasedGraphFactory::Run(const char * originalEdgeDataFilename) {
std::vector<NodeID>().swap(vectorOfComponentSizes);
std::vector<NodeID>().swap(componentsIndex);
std::vector<OriginalEdgeData> original_edge_data_vector;
original_edge_data_vector.reserve(10000);
//Loop over all turns and generate new set of edges.
//Three nested loop look super-linear, but we are dealing with a linear number of turns only.
for(_NodeBasedDynamicGraph::NodeIterator u = 0; u < _nodeBasedGraph->GetNumberOfNodes(); ++u ) {
@ -271,8 +274,9 @@ void EdgeBasedGraphFactory::Run(const char * originalEdgeDataFilename) {
distance += speedProfile.trafficSignalPenalty;
}
TurnInstruction turnInstruction = AnalyzeTurn(u, v, w);
if(turnInstruction == TurnInstructions.UTurn)
if(TurnInstructions.UTurn == turnInstruction) {
distance += speedProfile.uTurnPenalty;
}
// if(!edgeData1.isAccessRestricted && edgeData2.isAccessRestricted) {
// distance += TurnInstructions.AccessRestrictionPenalty;
// turnInstruction |= TurnInstructions.AccessRestrictionFlag;
@ -282,17 +286,16 @@ void EdgeBasedGraphFactory::Run(const char * originalEdgeDataFilename) {
//distance += heightPenalty;
//distance += ComputeTurnPenalty(u, v, w);
assert(edgeData1.edgeBasedNodeID != edgeData2.edgeBasedNodeID);
if(originalEdgeData.size() == originalEdgeData.capacity()-3) {
originalEdgeData.reserve(originalEdgeData.size()*1.2);
}
OriginalEdgeData oed(v,edgeData2.nameID, turnInstruction);
EdgeBasedEdge newEdge(edgeData1.edgeBasedNodeID, edgeData2.edgeBasedNodeID, edgeBasedEdges.size(), distance, true, false );
originalEdgeData.push_back(oed);
if(originalEdgeData.size() > 100000) {
originalEdgeDataOutFile.write((char*)&(originalEdgeData[0]), originalEdgeData.size()*sizeof(OriginalEdgeData));
originalEdgeData.clear();
}
original_edge_data_vector.push_back(oed);
++numberOfOriginalEdges;
if(original_edge_data_vector.size() > 100000) {
originalEdgeDataOutFile.write((char*)&(original_edge_data_vector[0]), original_edge_data_vector.size()*sizeof(OriginalEdgeData));
original_edge_data_vector.clear();
}
EdgeBasedEdge newEdge(edgeData1.edgeBasedNodeID, edgeData2.edgeBasedNodeID, edgeBasedEdges.size(), distance, true, false );
edgeBasedEdges.push_back(newEdge);
} else {
++numberOfSkippedTurns;
@ -302,7 +305,7 @@ void EdgeBasedGraphFactory::Run(const char * originalEdgeDataFilename) {
}
p.printIncrement();
}
originalEdgeDataOutFile.write((char*)&(originalEdgeData[0]), originalEdgeData.size()*sizeof(OriginalEdgeData));
originalEdgeDataOutFile.write((char*)&(original_edge_data_vector[0]), original_edge_data_vector.size()*sizeof(OriginalEdgeData));
originalEdgeDataOutFile.seekp(std::ios::beg);
originalEdgeDataOutFile.write((char*)&numberOfOriginalEdges, sizeof(unsigned));
originalEdgeDataOutFile.close();

5
Contractor/EdgeBasedGraphFactory.h
View File

@ -82,13 +82,13 @@ private:
unsigned edgeBasedNodeID;
unsigned nameID;
short type;
bool isAccessRestricted;
bool isAccessRestricted:1;
bool shortcut:1;
bool forward:1;
bool backward:1;
bool roundabout:1;
bool ignoreInGrid:1;
bool contraFlow;
bool contraFlow:1;
};
struct _EdgeBasedEdgeData {
@ -118,7 +118,6 @@ private:
DeallocatingVector<EdgeBasedEdge> edgeBasedEdges;
DeallocatingVector<EdgeBasedNode> edgeBasedNodes;
std::vector<OriginalEdgeData> originalEdgeData;
NodeID CheckForEmanatingIsOnlyTurn(const NodeID u, const NodeID v) const;
bool CheckIfTurnIsRestricted(const NodeID u, const NodeID v, const NodeID w) const;