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Optimise path distance calculation in MLD map matching (#6876)

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This commit is contained in:
Siarhei Fedartsou
2024-05-11 16:30:43 +02:00
committed by GitHub
parent 1e2ffee97c
commit ee8e0f890a
4 changed files with 37 additions and 4 deletions
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include/engine/routing_algorithms/routing_base_mld.hpp
+30 -3
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@@ -613,11 +613,38 @@ double getNetworkDistance(SearchEngineData<Algorithm> &engine_working_data,
return std::numeric_limits<double>::max();
}
std::vector<PathData> unpacked_path;
BOOST_ASSERT(unpacked_nodes.size() >= 1);
annotatePath(facade, endpoints, unpacked_nodes, unpacked_edges, unpacked_path);
EdgeDistance distance = {0.0};
return getPathDistance(facade, unpacked_path, source_phantom, target_phantom);
if (source_phantom.forward_segment_id.id == unpacked_nodes.front())
{
BOOST_ASSERT(source_phantom.forward_segment_id.enabled);
distance = EdgeDistance{0} - source_phantom.GetForwardDistance();
}
else if (source_phantom.reverse_segment_id.id == unpacked_nodes.front())
{
BOOST_ASSERT(source_phantom.reverse_segment_id.enabled);
distance = EdgeDistance{0} - source_phantom.GetReverseDistance();
}
for (size_t index = 0; index < unpacked_nodes.size() - 1; ++index)
{
distance += facade.GetNodeDistance(unpacked_nodes[index]);
}
if (target_phantom.forward_segment_id.id == unpacked_nodes.back())
{
BOOST_ASSERT(target_phantom.forward_segment_id.enabled);
distance += target_phantom.GetForwardDistance();
}
else if (target_phantom.reverse_segment_id.id == unpacked_nodes.back())
{
BOOST_ASSERT(target_phantom.reverse_segment_id.enabled);
distance += target_phantom.GetReverseDistance();
}
return from_alias<double>(distance);
}
} // namespace osrm::engine::routing_algorithms::mld