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Allowing U-Turn at the end of a dead-end street which is necessary for

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via routes.
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DennisOSRM
2012-01-01 16:04:59 +01:00
parent 62aab1cec6
commit ee1b3afdcf
2 changed files with 7 additions and 2 deletions
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Contractor/EdgeBasedGraphFactory.cpp
+6 -1
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@@ -159,6 +159,7 @@ void EdgeBasedGraphFactory::Run() {
edgeBasedNodes.push_back(currentNode);
}
for(_NodeBasedDynamicGraph::EdgeIterator e2 = _nodeBasedGraph->BeginEdges(v); e2 < _nodeBasedGraph->EndEdges(v); ++e2) {
_NodeBasedDynamicGraph::NodeIterator w = _nodeBasedGraph->GetTarget(e2);
//if (u,v,w) is a forbidden turn, continue
@@ -169,7 +170,7 @@ void EdgeBasedGraphFactory::Run() {
}
bool isTurnRestricted(false);
if( u != w ) { //only add an edge if turn is not a U-turn
if( u != w || 1 == _nodeBasedGraph->GetOutDegree(v)) { //only add an edge if turn is not a U-turn except it is the end of dead-end street.
if(restrictionIterator != inputRestrictions.end() && u == restrictionIterator->fromNode) {
std::vector<_Restriction>::iterator secondRestrictionIterator = restrictionIterator;
do {
@@ -245,6 +246,10 @@ void EdgeBasedGraphFactory::Run() {
}
short EdgeBasedGraphFactory::AnalyzeTurn(const NodeID u, const NodeID v, const NodeID w) const {
if(u == w) {
return TurnInstructions.UTurn;
}
_NodeBasedDynamicGraph::EdgeIterator edge1 = _nodeBasedGraph->FindEdge(u, v);
_NodeBasedDynamicGraph::EdgeIterator edge2 = _nodeBasedGraph->FindEdge(v, w);