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[routing] Don't taking into account fake edges while ETA calculation.

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This commit is contained in:
Vladimir Byko-Ianko 2019-09-11 11:33:01 +03:00 • committed by gmoryes
parent aecad775fc
commit 7e070963a1
3 changed files with 20 additions and 11 deletions
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16
routing/edge_estimator.cpp
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@ -102,7 +102,9 @@ EdgeEstimator::EdgeEstimator(double maxWeightSpeedKMpH, SpeedKMpH const & offroa
CHECK_GREATER(m_offroadSpeedKMpH.m_weight, 0.0, ());
CHECK_GREATER(m_offroadSpeedKMpH.m_eta, 0.0, ());
CHECK_GREATER_OR_EQUAL(m_maxWeightSpeedMpS, KMPH2MPS(m_offroadSpeedKMpH.m_weight), ());
CHECK_GREATER_OR_EQUAL(m_maxWeightSpeedMpS, KMPH2MPS(m_offroadSpeedKMpH.m_eta), ());
if (m_offroadSpeedKMpH.m_eta != kUndefinedSpeed)
CHECK_GREATER_OR_EQUAL(m_maxWeightSpeedMpS, KMPH2MPS(m_offroadSpeedKMpH.m_eta), ());
}
double EdgeEstimator::CalcHeuristic(m2::PointD const & from, m2::PointD const & to) const
@ -119,11 +121,15 @@ double EdgeEstimator::CalcLeapWeight(m2::PointD const & from, m2::PointD const &
return TimeBetweenSec(from, to, m_maxWeightSpeedMpS / 2.0);
}
double EdgeEstimator::CalcOffroad(m2::PointD const & from, m2::PointD const & to, Purpose purpose) const
double EdgeEstimator::CalcOffroad(m2::PointD const & from, m2::PointD const & to,
Purpose purpose) const
{
return TimeBetweenSec(from, to,
KMPH2MPS(purpose == Purpose::Weight ? m_offroadSpeedKMpH.m_weight
: m_offroadSpeedKMpH.m_eta));
auto const offroadSpeedKMpH = purpose == Purpose::Weight ? m_offroadSpeedKMpH.m_weight
: m_offroadSpeedKMpH.m_eta;
if (offroadSpeedKMpH == kUndefinedSpeed)
return 0.0;
return TimeBetweenSec(from, to, KMPH2MPS(offroadSpeedKMpH));
}
// PedestrianEstimator -----------------------------------------------------------------------------

12
routing_common/car_model.cpp
View file

@ -64,12 +64,12 @@ std::array<char const *, 41> constexpr kCountries = {"Australia",
"Venezuela"};
// |kSpeedOffroadKMpH| is a speed which is used for edges that don't lie on road features.
// For example for pure fake edges. The speed for building route and the speed for
// ETA calculation is significant different for cars. The idea behind that is
// to use the closest edge for the start and the finish of the route except for some edge cases.
// And when ETA is calculated not to take into account fake edges. It's actual
// when an airport is a start of finish.
SpeedKMpH constexpr kSpeedOffroadKMpH = {0.01 /* weight */, 100.0 /* eta */};
// For example for pure fake edges. In car routing, off road speed for calculation ETA is not used.
// The weight of such edges is considered as 0 seconds. It's especially actual when an airport is
// a start or finish. On the other hand, while route calculation the fake edges are considered
// as quite heavy. The idea behind that is to use the closest edge for the start and the finish
// of the route except for some edge cases.
SpeedKMpH constexpr kSpeedOffroadKMpH = {0.01 /* weight */, kUndefinedSpeed /* eta */};
VehicleModel::LimitsInitList const kCarOptionsDefault = {
// {{roadType, roadType} passThroughAllowed}

3
routing_common/vehicle_model.hpp
View file

@ -8,6 +8,7 @@
#include <cstdint>
#include <functional>
#include <initializer_list>
#include <limits>
#include <memory>
#include <sstream>
#include <string>
@ -24,6 +25,8 @@ namespace feature { class TypesHolder; }
namespace routing
{
double constexpr kUndefinedSpeed = std::numeric_limits<double>::max();
struct InOutCityFactor;
struct InOutCitySpeedKMpH;