Add duration values to overlay graph

This commit is contained in:
Michael Krasnyk
2017-06-29 00:20:04 +02:00
committed by Patrick Niklaus
parent 5a29e29535
commit b910ab9bcb
7 changed files with 99 additions and 41 deletions
+30 -16
View File
@@ -20,6 +20,7 @@ class CellCustomizer
struct HeapData
{
bool from_clique;
EdgeDuration duration;
};
public:
@@ -41,31 +42,41 @@ class CellCustomizer
{
std::unordered_set<NodeID> destinations_set(destinations.begin(), destinations.end());
heap.Clear();
heap.Insert(source, 0, {false});
heap.Insert(source, 0, {false, 0});
// explore search space
while (!heap.Empty() && !destinations_set.empty())
{
const NodeID node = heap.DeleteMin();
const EdgeWeight weight = heap.GetKey(node);
const EdgeDuration duration = heap.GetData(node).duration;
if (level == 1)
RelaxNode<true>(graph, cells, heap, level, node, weight);
RelaxNode<true>(graph, cells, heap, level, node, weight, duration);
else
RelaxNode<false>(graph, cells, heap, level, node, weight);
RelaxNode<false>(graph, cells, heap, level, node, weight, duration);
destinations_set.erase(node);
}
// fill a map of destination nodes to placeholder pointers
auto destination_iter = destinations.begin();
for (auto &weight : cell.GetOutWeight(source))
auto weights = cell.GetOutWeight(source);
auto durations = cell.GetOutDuration(source);
for (auto &destination : destinations)
{
BOOST_ASSERT(destination_iter != destinations.end());
const auto destination = *destination_iter++;
weight =
heap.WasInserted(destination) ? heap.GetKey(destination) : INVALID_EDGE_WEIGHT;
BOOST_ASSERT(!weights.empty());
BOOST_ASSERT(!durations.empty());
const bool inserted = heap.WasInserted(destination);
weights.front() = inserted ? heap.GetKey(destination) : INVALID_EDGE_WEIGHT;
durations.front() =
inserted ? heap.GetData(destination).duration : MAXIMAL_EDGE_DURATION;
weights.advance_begin(1);
durations.advance_begin(1);
}
BOOST_ASSERT(weights.empty());
BOOST_ASSERT(durations.empty());
}
}
@@ -94,7 +105,8 @@ class CellCustomizer
Heap &heap,
LevelID level,
NodeID node,
EdgeWeight weight) const
EdgeWeight weight,
EdgeDuration duration) const
{
BOOST_ASSERT(heap.WasInserted(node));
@@ -113,24 +125,26 @@ class CellCustomizer
auto subcell_id = partition.GetCell(level - 1, node);
auto subcell = cells.GetCell(level - 1, subcell_id);
auto subcell_destination = subcell.GetDestinationNodes().begin();
auto subcell_duration = subcell.GetOutDuration(node).begin();
for (auto subcell_weight : subcell.GetOutWeight(node))
{
if (subcell_weight != INVALID_EDGE_WEIGHT)
{
const NodeID to = *subcell_destination;
const EdgeWeight to_weight = subcell_weight + weight;
const EdgeWeight to_weight = weight + subcell_weight;
if (!heap.WasInserted(to))
{
heap.Insert(to, to_weight, {true});
heap.Insert(to, to_weight, {true, duration + *subcell_duration});
}
else if (to_weight < heap.GetKey(to))
{
heap.DecreaseKey(to, to_weight);
heap.GetData(to).from_clique = true;
heap.GetData(to) = {true, duration + *subcell_duration};
}
}
++subcell_destination;
++subcell_duration;
}
}
}
@@ -144,15 +158,15 @@ class CellCustomizer
(first_level ||
partition.GetCell(level - 1, node) != partition.GetCell(level - 1, to)))
{
const EdgeWeight to_weight = data.weight + weight;
const EdgeWeight to_weight = weight + data.weight;
if (!heap.WasInserted(to))
{
heap.Insert(to, to_weight, {false});
heap.Insert(to, to_weight, {false, duration + data.duration});
}
else if (to_weight < heap.GetKey(to))
{
heap.DecreaseKey(to, to_weight);
heap.GetData(to).from_clique = false;
heap.GetData(to) = {false, duration + data.duration};
}
}
}