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Fix foward/backwad swap

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This commit is contained in:
Patrick Niklaus 2016-03-18 16:14:48 +01:00
parent 8218d5a47e
commit 4e8fe89faa
4 changed files with 22 additions and 34 deletions
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3
include/engine/api/route_api.hpp
View File

@ -93,8 +93,7 @@ class RouteAPI : public BaseAPI
auto leg_geometry = guidance::assembleGeometry(
BaseAPI::facade, path_data, phantoms.source_phantom, phantoms.target_phantom);
auto leg = guidance::assembleLeg(BaseAPI::facade, path_data, leg_geometry,
phantoms.source_phantom, phantoms.target_phantom,
reversed_source, reversed_target);
phantoms.target_phantom, reversed_target);
if (parameters.steps)
{

20
include/engine/guidance/assemble_leg.hpp
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@ -96,18 +96,12 @@ template <typename DataFacadeT>
RouteLeg assembleLeg(const DataFacadeT &facade,
const std::vector<PathData> &route_data,
const LegGeometry &leg_geometry,
const PhantomNode &source_node,
const PhantomNode &target_node,
const bool source_traversed_in_reverse,
const bool target_traversed_in_reverse)
{
const auto source_duration =
(source_traversed_in_reverse ? source_node.GetReverseWeightPlusOffset()
: source_node.GetForwardWeightPlusOffset()) /
10.;
const auto target_duration =
(target_traversed_in_reverse ? target_node.GetReverseWeightPlusOffset()
: target_node.GetForwardWeightPlusOffset()) /
(target_traversed_in_reverse ? target_node.reverse_weight
: target_node.forward_weight) /
10.;
auto distance = std::accumulate(leg_geometry.segment_distances.begin(),
@ -136,13 +130,9 @@ RouteLeg assembleLeg(const DataFacadeT &facade,
// The phantom node of t will contain:
// `forward_weight`: duration of (d,t)
// `forward_offset`: duration of (c, d)
//
// TODO discuss, this should not be the case after danpats fixes
// The PathData will contain entries of b, c and d. But only c will contain
// a duration value since its the only point associated with a turn.
// As such we want to slice of the duration for (a,s) and add the duration for
// (c,d,t)
duration = duration - source_duration + target_duration;
// path_data will have entries for (s,b), (b, c), (c, d) but (d, t) is only
// caputed by the phantom node. So we need to add the target duration here.
duration = duration + target_duration;
auto summary_array = detail::summarizeRoute<detail::MAX_USED_SEGMENTS>(route_data);
BOOST_ASSERT(detail::MAX_USED_SEGMENTS > 0);

4
include/engine/guidance/assemble_steps.hpp
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@ -41,12 +41,12 @@ std::vector<RouteStep> assembleSteps(const DataFacadeT &facade,
const bool target_traversed_in_reverse)
{
const EdgeWeight source_duration =
source_traversed_in_reverse ? source_node.forward_weight : source_node.reverse_weight;
source_traversed_in_reverse ? source_node.reverse_weight : source_node.forward_weight;
const auto source_mode = source_traversed_in_reverse ? source_node.backward_travel_mode
: source_node.forward_travel_mode;
const EdgeWeight target_duration =
target_traversed_in_reverse ? target_node.forward_weight : target_node.reverse_weight;
target_traversed_in_reverse ? target_node.reverse_weight : target_node.forward_weight;
const auto target_mode = target_traversed_in_reverse ? target_node.backward_travel_mode
: target_node.forward_travel_mode;

29
include/engine/routing_algorithms/routing_base.hpp
View File

@ -299,8 +299,7 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
weight_vector);
BOOST_ASSERT(weight_vector.size() > 0);
auto total_weight =
std::accumulate(weight_vector.begin(), weight_vector.end(), 0);
auto total_weight = std::accumulate(weight_vector.begin(), weight_vector.end(), 0);
BOOST_ASSERT(weight_vector.size() == id_vector.size());
// ed.distance should be total_weight + penalties (turn, stop, etc)
@ -330,6 +329,9 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
if (is_first_segment)
{
auto source_weight = start_traversed_in_reverse
? phantom_node_pair.source_phantom.reverse_weight
: phantom_node_pair.source_phantom.forward_weight;
// Given this geometry:
// U---v---w---x---Z
// s
@ -337,12 +339,8 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
// However the first segment duration needs to be adjusted to the fact that the
// source phantom is in the middle of the segment.
// We do this by subtracting v--s from the duration.
BOOST_ASSERT(unpacked_path.front().duration_until_turn >=
phantom_node_pair.source_phantom.forward_weight);
unpacked_path.front().duration_until_turn -=
start_traversed_in_reverse
? phantom_node_pair.source_phantom.forward_weight
: phantom_node_pair.source_phantom.reverse_weight;
BOOST_ASSERT(unpacked_path.front().duration_until_turn >= source_weight);
unpacked_path.front().duration_until_turn -= source_weight;
}
}
}
@ -388,7 +386,7 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
// s: fwd_segment 0
// t: fwd_segment 3
// -> (U, v), (v, w), (w, x)
// note that (x, t) is _not_ included but needs to
// note that (x, t) is _not_ included but needs to be added later.
for (std::size_t i = start_index; i != end_index; (start_index < end_index ? ++i : --i))
{
BOOST_ASSERT(i < id_vector.size());
@ -403,14 +401,15 @@ template <class DataFacadeT, class Derived> class BasicRoutingInterface
if (is_local_path && unpacked_path.size() > 0)
{
auto source_weight = start_traversed_in_reverse
? phantom_node_pair.source_phantom.reverse_weight
: phantom_node_pair.source_phantom.forward_weight;
// The above code will create segments for (v, w), (w,x), (x, y) and (y, Z).
// However the first segment duration needs to be adjusted to the fact that the source
// phantom
// is in the middle of the segment. We do this by subtracting v--s from the duration.
BOOST_ASSERT(unpacked_path.front().duration_until_turn >=
phantom_node_pair.source_phantom.forward_weight);
unpacked_path.front().duration_until_turn -=
phantom_node_pair.source_phantom.forward_weight;
// phantom is in the middle of the segment. We do this by subtracting v--s from the
// duration.
BOOST_ASSERT(unpacked_path.front().duration_until_turn >= source_weight);
unpacked_path.front().duration_until_turn -= source_weight;
}
// there is no equivalent to a node-based node in an edge-expanded graph.