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[routing] Set reasonable threshold for saved MWM's default speeds.

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Signed-off-by: Viktor Govako <viktor.govako@gmail.com>
This commit is contained in:
Viktor Govako 2022-04-13 09:15:11 +03:00
parent 54afdf3bb6
commit 32e6a4e9ca
1 changed files with 3 additions and 2 deletions
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5
routing_common/vehicle_model.cpp
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@ -202,8 +202,9 @@ SpeedKMpH VehicleModel::GetTypeSpeed(feature::TypesHolder const & types, SpeedPa
ASSERT(s, ("Key:", *hwType, "is not found."));
speed = s->GetSpeed(isCityRoad);
// Override 'default' speed from params, but take into account ETA/Weight factor.
if (params.m_defSpeedKmPH != kInvalidSpeed)
// Override the global default speed with the MWM's saved default speed if they are not significantly differ (2x),
// to avoid anomaly peaks (especially for tracks).
if (params.m_defSpeedKmPH != kInvalidSpeed && fabs(speed.m_weight - params.m_defSpeedKmPH) / speed.m_weight < 1.0)
{
double const factor = speed.m_eta / speed.m_weight;
speed.m_weight = params.m_defSpeedKmPH;