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add a low pass filter to keep the TTL more stable

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This commit is contained in:
Sven Czarnian
2021-12-23 17:49:56 +01:00
parent d7c41d1941
commit 031c9faa97
1 changed files with 16 additions and 3 deletions
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19
src/types/Inbound.cpp
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@@ -37,7 +37,8 @@ Inbound::Inbound(EuroScopePlugIn::CRadarTarget& target, const aman::AircraftSche
m_runway(inbound.arrivalrunway()),
m_nextStarWaypoint(0),
m_arrivalRoute(),
m_timeToLose() {
m_timeToLose(),
m_resetFilter(true) {
this->createWindTables(wind);
this->updatePrediction(target, inbound);
}
@@ -331,7 +332,15 @@ void Inbound::predictETA(const EuroScopePlugIn::CRadarTarget& target, const Euro
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;
this->m_timeToLose = plannedFlightTime - flightTime;
const auto timeToLose = plannedFlightTime - flightTime;
if (true == this->m_resetFilter) {
this->m_timeToLose = timeToLose;
this->m_resetFilter = false;
}
else {
this->m_timeToLose = 0.9f * this->m_timeToLose + 0.1f * timeToLose;
}
}
void Inbound::update(EuroScopePlugIn::CRadarTarget& target) {
@@ -345,8 +354,10 @@ void Inbound::update(EuroScopePlugIn::CRadarTarget& target) {
if (this->m_nextStarWaypoint < this->m_arrivalRoute.size()) {
const auto maxDistance = this->m_groundSpeed * 60_s;
if (maxDistance > gsl::at(this->m_arrivalRoute, this->m_nextStarWaypoint).position().distanceTo(__convert(target.GetPosition().GetPosition())))
if (maxDistance > gsl::at(this->m_arrivalRoute, this->m_nextStarWaypoint).position().distanceTo(__convert(target.GetPosition().GetPosition()))) {
this->m_nextStarWaypoint += 1;
this->m_resetFilter = true;
}
}
this->predictETA(target, target.GetCorrelatedFlightPlan().GetPositionPredictions());
@@ -355,6 +366,8 @@ void Inbound::update(EuroScopePlugIn::CRadarTarget& target) {
void Inbound::directTo(EuroScopePlugIn::CRadarTarget& radarTarget, const std::string& waypoint) {
std::size_t i = 0;
this->m_resetFilter = true;
for (const auto& arrivalPoint : std::as_const(this->m_arrivalRoute)) {
if (arrivalPoint.name() == waypoint) {
this->m_nextStarWaypoint = i;