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Ref T275, new function to estimate ground elevation and some provider functions

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* added "averageElevationOfNonMovingAircraft". Idea: aircraft in the vicinity not moving or on ground likely have the same airport elevation
* added "isWithinRange"
* added "latestRemoteAircraftSituations" / "remoteAircraftSituation" in provider
This commit is contained in:
Klaus Basan
2018-06-18 03:21:15 +02:00
parent d864789890
commit 2625c3fb6b
11 changed files with 183 additions and 42 deletions
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25
src/blackmisc/geo/coordinategeodetic.cpp
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@@ -38,16 +38,17 @@ namespace BlackMisc
return CCoordinateGeodetic(lat, lon, geodeticHeight);
}
PhysicalQuantities::CLength calculateGreatCircleDistance(const ICoordinateGeodetic &coordinate1, const ICoordinateGeodetic &coordinate2)
CLength calculateGreatCircleDistance(const ICoordinateGeodetic &coordinate1, const ICoordinateGeodetic &coordinate2)
{
if (coordinate1.isNull() || coordinate2.isNull()) { return CLength::null(); }
static const float earthRadiusMeters = 6371000.8f;
const QVector3D v1 = coordinate1.normalVector();
const QVector3D v2 = coordinate2.normalVector();
const float d = earthRadiusMeters * std::atan2(QVector3D::crossProduct(v1, v2).length(), QVector3D::dotProduct(v1, v2));
return { d, PhysicalQuantities::CLengthUnit::m() };
return { d, CLengthUnit::m() };
}
PhysicalQuantities::CAngle calculateBearing(const ICoordinateGeodetic &coordinate1, const ICoordinateGeodetic &coordinate2)
CAngle calculateBearing(const ICoordinateGeodetic &coordinate1, const ICoordinateGeodetic &coordinate2)
{
static const QVector3D northPole { 0, 0, 1 };
const QVector3D c1 = QVector3D::crossProduct(coordinate1.normalVector(), coordinate2.normalVector());
@@ -56,7 +57,7 @@ namespace BlackMisc
const float sinTheta = std::copysign(cross.length(), QVector3D::dotProduct(cross, coordinate1.normalVector()));
const float cosTheta = QVector3D::dotProduct(c1, c2);
const float theta = std::atan2(sinTheta, cosTheta);
return { theta, PhysicalQuantities::CAngleUnit::rad() };
return { theta, CAngleUnit::rad() };
}
double calculateEuclideanDistance(const ICoordinateGeodetic &coordinate1, const ICoordinateGeodetic &coordinate2)
@@ -91,6 +92,14 @@ namespace BlackMisc
return Geo::calculateGreatCircleDistance((*this), otherCoordinate);
}
bool ICoordinateGeodetic::isWithinRange(const ICoordinateGeodetic &otherCoordinate, const CLength &range) const
{
if (range.isNull()) { return false; }
const CLength distance = calculateGreatCircleDistance(otherCoordinate);
if (distance.isNull()) { return false; }
return distance <= range;
}
CAngle ICoordinateGeodetic::calculateBearing(const ICoordinateGeodetic &otherCoordinate) const
{
return Geo::calculateBearing((*this), otherCoordinate);
@@ -210,10 +219,10 @@ namespace BlackMisc
{}
CCoordinateGeodetic::CCoordinateGeodetic(double latitudeDegrees, double longitudeDegrees) :
CCoordinateGeodetic({ latitudeDegrees, PhysicalQuantities::CAngleUnit::deg() }, { longitudeDegrees, PhysicalQuantities::CAngleUnit::deg() }, { 0, nullptr }) {}
CCoordinateGeodetic({ latitudeDegrees, CAngleUnit::deg() }, { longitudeDegrees, CAngleUnit::deg() }, { 0, nullptr }) {}
CCoordinateGeodetic::CCoordinateGeodetic(double latitudeDegrees, double longitudeDegrees, double heightFeet) :
CCoordinateGeodetic({ latitudeDegrees, PhysicalQuantities::CAngleUnit::deg() }, { longitudeDegrees, PhysicalQuantities::CAngleUnit::deg() }, { heightFeet, PhysicalQuantities::CLengthUnit::ft() }) {}
CCoordinateGeodetic({ latitudeDegrees, CAngleUnit::deg() }, { longitudeDegrees, CAngleUnit::deg() }, { heightFeet, CLengthUnit::ft() }) {}
CCoordinateGeodetic::CCoordinateGeodetic(const ICoordinateGeodetic &coordinate) :
m_geodeticHeight(coordinate.geodeticHeight())
@@ -223,13 +232,13 @@ namespace BlackMisc
CLatitude CCoordinateGeodetic::latitude() const
{
return { std::atan2(m_z, std::hypot(m_x, m_y)), PhysicalQuantities::CAngleUnit::rad() };
return { std::atan2(m_z, std::hypot(m_x, m_y)), CAngleUnit::rad() };
}
CLongitude CCoordinateGeodetic::longitude() const
{
// in mathematics atan2 of 0,0 is undefined, with IEEE floating-point atan2(0,0) is either 0 or ±180°
return { std::atan2(m_y, m_x), PhysicalQuantities::CAngleUnit::rad() };
return { std::atan2(m_y, m_x), CAngleUnit::rad() };
}
QVector3D CCoordinateGeodetic::normalVector() const