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update the IAF distance estimation to provide better results

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This commit is contained in:
Sven Czarnian
2021-12-16 16:02:35 +01:00
parent 791c9c2605
commit 861232d09d
1 changed files with 29 additions and 19 deletions
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48
src/PlugIn.cpp
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@@ -376,6 +376,7 @@ void PlugIn::generateAircraftReportMessage(EuroScopePlugIn::CRadarTarget& radarT
break;
}
int iafRouteIndex = flightPlan.GetExtractedRoute().GetPointsNumber();
auto currentPosition = radarTarget.GetPosition().GetPosition();
EuroScopePlugIn::CPosition iafPosition;
std::string iafName;
@@ -397,6 +398,7 @@ void PlugIn::generateAircraftReportMessage(EuroScopePlugIn::CRadarTarget& radarT
iafPosition = flightPlan.GetExtractedRoute().GetPointPosition(i);
iafName = flightPlan.GetExtractedRoute().GetPointName(i);
report->set_initialapproachfix(iafName);
iafRouteIndex = i;
break;
}
}
@@ -408,27 +410,35 @@ void PlugIn::generateAircraftReportMessage(EuroScopePlugIn::CRadarTarget& radarT
}
if (0 != iafName.length()) {
const auto iafDistance = currentPosition.DistanceTo(iafPosition);
const std::string_view direct(flightPlan.GetControllerAssignedData().GetDirectToPointName());
bool directBehindIAF = false;
/* calculate the distance to the IAF */
double distanceToIaf = 0.0f;
for (int i = 1; i < flightPlan.GetPositionPredictions().GetPointsNumber(); ++i) {
const double distance = flightPlan.GetPositionPredictions().GetPosition(i).DistanceTo(currentPosition);
const double headingDelta = std::abs(radarTarget.GetPosition().GetReportedHeading() - flightPlan.GetPositionPredictions().GetPosition(i).DirectionTo(iafPosition));
/*
* 1. no direct way to IAF -> some direct given -> stop after lateral passing
* 2. passed the IAF on a way to a direct
*/
if ((90.0 < headingDelta && 270.0 > headingDelta) || iafDistance < distance)
break;
distanceToIaf += distance;
currentPosition = flightPlan.GetPositionPredictions().GetPosition(i);
if (0 != direct.length()) {
for (int i = 0; i < flightPlan.GetExtractedRoute().GetPointsNumber(); ++i) {
if (direct == flightPlan.GetExtractedRoute().GetPointName(i)) {
directBehindIAF = iafRouteIndex < i;
break;
}
}
}
if (0.01f >= std::abs(distanceToIaf))
distanceToIaf = iafDistance;
report->set_distancetoiaf(static_cast<int>(std::round(distanceToIaf)));
if (true == directBehindIAF) {
PlugIn::distanceToPredictedIaf(radarTarget, flightPlan, iafPosition, report);
}
else {
const GeoCoordinate iaf(static_cast<float>(iafPosition.m_Longitude) * degree, static_cast<float>(iafPosition.m_Latitude) * degree);
const Velocity groundspeed = static_cast<float>(radarTarget.GetGS()) * knot;
Length distanceToIaf;
const auto idx = Inbound::matchToPredictedPath(flightPlan.GetPositionPredictions(), iaf, groundspeed, distanceToIaf);
/* not inbound the IAF -> check if we passed it */
if (flightPlan.GetPositionPredictions().GetPointsNumber() <= idx)
PlugIn::distanceToPredictedIaf(radarTarget, flightPlan, iafPosition, report);
else
report->set_distancetoiaf(static_cast<int>(std::round(distanceToIaf.convert(nauticmile))));
}
this->DisplayUserMessage("TEST", "TEST", (radarTarget.GetCallsign() + std::string(": ") + std::to_string(report->distancetoiaf())).c_str(), true, true, false, false, false);
}
report->set_destination(std::string(destination));