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prefer smaller legs for equal weights in shortest path plugin

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This commit is contained in:
Michael Krasnyk 2017-04-04 20:41:39 +02:00
parent cab83555e1
commit 2766c24b42
1 changed files with 16 additions and 14 deletions
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30
src/engine/routing_algorithms/shortest_path.cpp
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@ -456,20 +456,9 @@ shortestPathSearchImpl(SearchEngineData<Algorithm> &engine_working_data,
total_weight_to_reverse != INVALID_EDGE_WEIGHT);
// We make sure the fastest route is always in packed_legs_to_forward
if (total_weight_to_forward > total_weight_to_reverse)
{
// insert sentinel
packed_leg_to_reverse_begin.push_back(total_packed_path_to_reverse.size());
BOOST_ASSERT(packed_leg_to_reverse_begin.size() == phantom_nodes_vector.size() + 1);
unpackLegs(facade,
phantom_nodes_vector,
total_packed_path_to_reverse,
packed_leg_to_reverse_begin,
total_weight_to_reverse,
raw_route_data);
}
else
if (total_weight_to_forward < total_weight_to_reverse ||
(total_weight_to_forward == total_weight_to_reverse &&
total_packed_path_to_forward.size() < total_packed_path_to_reverse.size()))
{
// insert sentinel
packed_leg_to_forward_begin.push_back(total_packed_path_to_forward.size());
@ -482,6 +471,19 @@ shortestPathSearchImpl(SearchEngineData<Algorithm> &engine_working_data,
total_weight_to_forward,
raw_route_data);
}
else
{
// insert sentinel
packed_leg_to_reverse_begin.push_back(total_packed_path_to_reverse.size());
BOOST_ASSERT(packed_leg_to_reverse_begin.size() == phantom_nodes_vector.size() + 1);
unpackLegs(facade,
phantom_nodes_vector,
total_packed_path_to_reverse,
packed_leg_to_reverse_begin,
total_weight_to_reverse,
raw_route_data);
}
return raw_route_data;
}