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fix some issues with the path prediction and add some addional information

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This commit is contained in:
Sven Czarnian
2021-12-15 13:23:33 +01:00
parent f053ead918
commit e108d3de57
2 changed files with 60 additions and 38 deletions
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11
include/aman/types/Inbound.h
View File

@@ -36,14 +36,17 @@ namespace aman {
std::size_t m_nextStarWaypoint;
std::vector<ArrivalWaypoint> m_arrivalRoute;
Time m_timeToLose;
UtcTime::Point m_waypointEstimatedTimeOfArrival;
Length m_trackmiles;
Time m_flighttime;
void updatePrediction(EuroScopePlugIn::CRadarTarget& target, const aman::AircraftSchedule& inbound, bool forceUpdate);
void updatePrediction(EuroScopePlugIn::CRadarTarget& target, const aman::AircraftSchedule& inbound);
Velocity indicatedAirspeed(const Length& altitude) const noexcept;
Velocity groundSpeed(const Length& altitude, const Velocity& ias, const Angle& heading);
void createWindTables(const google::protobuf::RepeatedPtrField<aman::WindData>& wind);
static int matchToPredictedPath(const EuroScopePlugIn::CFlightPlanPositionPredictions& predictions, const GeoCoordinate& position,
Length& trackmiles);
void predictETA(const EuroScopePlugIn::CRadarTarget& target, const EuroScopePlugIn::CFlightPlanPositionPredictions& predictions, bool resetTTL);
void predictETA(const EuroScopePlugIn::CRadarTarget& target, const EuroScopePlugIn::CFlightPlanPositionPredictions& predictions);
public:
Inbound(EuroScopePlugIn::CRadarTarget& target, const aman::AircraftSchedule& inbound, const google::protobuf::RepeatedPtrField<aman::WindData>& wind);
@@ -52,6 +55,10 @@ namespace aman {
void update(EuroScopePlugIn::CRadarTarget& target);
void update(EuroScopePlugIn::CFlightPlan& plan);
bool fixedPlan() const noexcept;
UtcTime::Point eta() const;
UtcTime::Point pta() const;
const Time& timeToLose() const noexcept;
const Length& trackmiles() const noexcept;
const Time& flighttime() const noexcept;
};
}

45
src/types/Inbound.cpp
View File

@@ -33,9 +33,11 @@ Inbound::Inbound(EuroScopePlugIn::CRadarTarget& target, const aman::AircraftSche
m_runway(inbound.arrivalrunway()),
m_nextStarWaypoint(),
m_arrivalRoute(),
m_timeToLose() {
m_timeToLose(),
m_trackmiles(),
m_flighttime() {
this->createWindTables(wind);
this->updatePrediction(target, inbound, true);
this->updatePrediction(target, inbound);
auto flightplan = target.GetCorrelatedFlightPlan();
this->update(flightplan);
}
@@ -58,7 +60,7 @@ void Inbound::createWindTables(const google::protobuf::RepeatedPtrField<aman::Wi
}
}
void Inbound::updatePrediction(EuroScopePlugIn::CRadarTarget& target, const aman::AircraftSchedule& inbound, bool forceUpdate) {
void Inbound::updatePrediction(EuroScopePlugIn::CRadarTarget& target, const aman::AircraftSchedule& inbound) {
bool updatedFlightplan = false;
this->m_performanceData.speedAboveFL240 = static_cast<float>(inbound.performance().iasabovefl240()) * knot;
@@ -66,7 +68,7 @@ void Inbound::updatePrediction(EuroScopePlugIn::CRadarTarget& target, const aman
this->m_performanceData.speedBelowFL100 = static_cast<float>(inbound.performance().iasbelowfl100()) * knot;
this->m_performanceData.speedApproach = static_cast<float>(inbound.performance().iasapproach()) * knot;
bool updateEuroscopePlan = true == forceUpdate && 0 != this->m_star.length() && 0 != this->m_runway.length();
bool updateEuroscopePlan = 0 != this->m_star.length() && 0 != this->m_runway.length();
updateEuroscopePlan &= this->m_star != target.GetCorrelatedFlightPlan().GetFlightPlanData().GetStarName() || this->m_runway.length() && this->m_runway != target.GetCorrelatedFlightPlan().GetFlightPlanData().GetArrivalRwy();
if (true == updateEuroscopePlan) {
@@ -95,7 +97,6 @@ void Inbound::updatePrediction(EuroScopePlugIn::CRadarTarget& target, const aman
updatedFlightplan = true;
}
if (true == forceUpdate || true == updatedFlightplan) {
this->m_arrivalRoute.clear();
this->m_arrivalRoute.reserve(inbound.waypoints_size());
auto route = target.GetCorrelatedFlightPlan().GetExtractedRoute();
@@ -122,7 +123,6 @@ void Inbound::updatePrediction(EuroScopePlugIn::CRadarTarget& target, const aman
if (true == found)
this->m_arrivalRoute.push_back(ArrivalWaypoint(plannedPoint.name(), coordinate, altitude, ias, pta));
}
}
}
void Inbound::update(EuroScopePlugIn::CRadarTarget& target, const aman::AircraftSchedule& inbound,
@@ -132,7 +132,7 @@ void Inbound::update(EuroScopePlugIn::CRadarTarget& target, const aman::Aircraft
this->m_runway = inbound.arrivalrunway();
this->createWindTables(wind);
this->updatePrediction(target, inbound, false);
this->updatePrediction(target, inbound);
auto flightplan = target.GetCorrelatedFlightPlan();
this->update(flightplan);
}
@@ -243,7 +243,7 @@ int Inbound::matchToPredictedPath(const EuroScopePlugIn::CFlightPlanPositionPred
const auto prev = lastPosition.bearingTo(position);
const auto next = coordinate.bearingTo(position);
const auto delta = __normalize(prev - next);
if (100_deg <= delta.abs()) {
if (90_deg <= delta.abs() || 2.0_nm >= lastPosition.distanceTo(position)) {
trackmiles += lastPosition.distanceTo(position);
return i - 1;
}
@@ -255,7 +255,7 @@ int Inbound::matchToPredictedPath(const EuroScopePlugIn::CFlightPlanPositionPred
return predictions.GetPointsNumber();
}
void Inbound::predictETA(const EuroScopePlugIn::CRadarTarget& target, const EuroScopePlugIn::CFlightPlanPositionPredictions& predictions, bool resetTTL) {
void Inbound::predictETA(const EuroScopePlugIn::CRadarTarget& target, const EuroScopePlugIn::CFlightPlanPositionPredictions& predictions) {
if (this->m_arrivalRoute.size() <= this->m_nextStarWaypoint || 1 >= predictions.GetPointsNumber()) {
this->m_timeToLose = 0_s;
return;
@@ -264,6 +264,7 @@ void Inbound::predictETA(const EuroScopePlugIn::CRadarTarget& target, const Euro
const auto& destination = gsl::at(this->m_arrivalRoute, this->m_nextStarWaypoint);
Length distanceToNextWaypoint = 0_m;
Inbound::matchToPredictedPath(predictions, destination.position(), distanceToNextWaypoint);
this->m_trackmiles = distanceToNextWaypoint;
/* predict the flight and the descend */
Velocity groundSpeed = static_cast<float>(target.GetPosition().GetReportedGS()) * knot;
@@ -292,22 +293,20 @@ void Inbound::predictETA(const EuroScopePlugIn::CRadarTarget& target, const Euro
flightTime += 1_s;
}
this->m_waypointEstimatedTimeOfArrival = UtcTime::currentUtc() + std::chrono::seconds(static_cast<long long>(flightTime.convert(second)));
const auto delta = std::chrono::duration_cast<std::chrono::seconds>(destination.plannedArrivalTime() - UtcTime::currentUtc());
const auto plannedFlightTime = static_cast<float>(delta.count()) * second;
const auto newTTL = plannedFlightTime - flightTime;
this->m_flighttime = flightTime;
if (true == resetTTL)
this->m_timeToLose = newTTL;
else
this->m_timeToLose = 0.9f * this->m_timeToLose + 0.1f * newTTL;
}
void Inbound::update(EuroScopePlugIn::CRadarTarget& target) {
this->predictETA(target, target.GetCorrelatedFlightPlan().GetPositionPredictions(), false);
this->predictETA(target, target.GetCorrelatedFlightPlan().GetPositionPredictions());
}
void Inbound::update(EuroScopePlugIn::CFlightPlan& plan) {
const auto lastStarWaypoint = this->m_nextStarWaypoint;
this->m_nextStarWaypoint = 0;
if (0 == this->m_arrivalRoute.size()) {
@@ -383,13 +382,29 @@ void Inbound::update(EuroScopePlugIn::CFlightPlan& plan) {
}
const auto target = plan.GetCorrelatedRadarTarget();
this->predictETA(target, plan.GetPositionPredictions(), this->m_nextStarWaypoint != lastStarWaypoint);
this->predictETA(target, plan.GetPositionPredictions());
}
bool Inbound::fixedPlan() const noexcept {
return this->m_fixedPlan;
}
UtcTime::Point Inbound::eta() const {
return this->m_waypointEstimatedTimeOfArrival;
}
UtcTime::Point Inbound::pta() const {
return gsl::at(this->m_arrivalRoute, this->m_nextStarWaypoint).plannedArrivalTime();
}
const Time& Inbound::timeToLose() const noexcept {
return this->m_timeToLose;
}
const Length& Inbound::trackmiles() const noexcept {
return this->m_trackmiles;
}
const Time& Inbound::flighttime() const noexcept {
return this->m_flighttime;
}