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Ref T261, CAircraftSituationChange improvements

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* min/max ground distance, also added in situation list
* use model's vtol/CG info
* improved scenery deviation guessing
* adjusted interpolator scenery deviation handling
This commit is contained in:
Klaus Basan
2018-05-08 04:24:14 +02:00
committed by Roland Winklmeier
parent ed78eb5f0b
commit ea585ae166
8 changed files with 137 additions and 80 deletions
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99
src/blackmisc/aviation/aircraftsituationchange.cpp
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@@ -33,10 +33,7 @@ namespace BlackMisc
{
CAircraftSituationChange::CAircraftSituationChange() {}
CAircraftSituationChange::CAircraftSituationChange(const CAircraftSituation &s1, const CAircraftSituation &s2) :
CAircraftSituationChange::CAircraftSituationChange(CAircraftSituationList({s1, s2})) {}
CAircraftSituationChange::CAircraftSituationChange(const CAircraftSituationList &situations, bool alreadySortedLatestFirst, bool calcStdDeviations)
CAircraftSituationChange::CAircraftSituationChange(const CAircraftSituationList &situations, const PhysicalQuantities::CLength &cg, bool isVtol, bool alreadySortedLatestFirst, bool calcStdDeviations)
{
if (situations.size() < 2) { return; }
const CAircraftSituationList sorted(alreadySortedLatestFirst ? situations : situations.getSortedAdjustedLatestFirst());
@@ -65,7 +62,7 @@ namespace BlackMisc
m_justTouchdown = sorted.isJustTouchingDown(true);
m_constAccelerating = sorted.isConstAccelerating(true);
m_constDecelerating = sorted.isConstDecelarating(true);
m_containsPushBack = sorted.containsPushBack();
m_containsPushBack = !isVtol && sorted.containsPushBack();
if (sorted.size() >= 3)
{
@@ -76,7 +73,7 @@ namespace BlackMisc
if (calcStdDeviations)
{
this->calculateStdDeviations(situations);
this->calculateStdDeviations(situations, cg);
m_rotateUp = sorted.front().getPitch() > (m_pitchMean + m_pitchStdDev);
}
else
@@ -85,13 +82,6 @@ namespace BlackMisc
}
}
CLength CAircraftSituationChange::getGuessedSceneryDeviation(const CLength &cg) const
{
if (cg.isNull()) { return this->guessedSceneryDeviation(); }
if (this->guessedSceneryDeviation().isNull()) { return CLength::null(); }
return this->guessedSceneryDeviation() - cg;
}
bool CAircraftSituationChange::hasSceneryDeviation() const
{
return !m_guessedSceneryDeviation.isNull();
@@ -114,7 +104,7 @@ namespace BlackMisc
QStringLiteral(" | rotate up: ") % boolToYesNo(this->isRotatingUp()) %
QStringLiteral(" | push back: ") % boolToYesNo(this->containsPushBack()) %
QStringLiteral(" | scenery delta: ") % m_guessedSceneryDeviation.valueRoundedWithUnit(1) % QStringLiteral(" [") % this->getGuessedSceneryDeviationAsString() %
QStringLiteral("] | AGL delta: ") % m_altAglMean.valueRoundedWithUnit(1) % QStringLiteral("/") % m_altAglStdDev.valueRoundedWithUnit(1) %
QStringLiteral("] | AGL delta: ") % m_gndDistMean.valueRoundedWithUnit(1) % QStringLiteral("/") % m_gndDistStdDev.valueRoundedWithUnit(1) %
QStringLiteral(" | std.dev/mean: pitch ") % m_pitchMean.valueRoundedWithUnit(1) % QStringLiteral("/") % m_pitchStdDev.valueRoundedWithUnit(1) %
QStringLiteral(" gs ") % m_gsMean.valueRoundedWithUnit(1) % QStringLiteral("/") % m_gsStdDev.valueRoundedWithUnit(1) %
QStringLiteral(" alt. ") % m_altMean.valueRoundedWithUnit(1) % QStringLiteral("/") % m_altStdDev.valueRoundedWithUnit(1) %
@@ -165,7 +155,7 @@ namespace BlackMisc
}
}
bool CAircraftSituationChange::calculateStdDeviations(const CAircraftSituationList &situations)
bool CAircraftSituationChange::calculateStdDeviations(const CAircraftSituationList &situations, const CLength &cg)
{
if (situations.isEmpty()) { return false; }
@@ -177,34 +167,39 @@ namespace BlackMisc
m_pitchStdDev = pitchStdDevMean.first;
m_pitchMean = pitchStdDevMean.second;
const QList<double> altValues = situations.altitudeValues(CLengthUnit::ft());
const QList<double> altValues = situations.altitudeValues(CAltitude::defaultUnit());
if (altValues.size() == situations.size())
{
const QPair<double, double> altFt = CMathUtils::standardDeviationAndMean(altValues);
m_altStdDev = CAltitude(altFt.first, CAltitude::MeanSeaLevel, CLengthUnit::ft());
m_altMean = CAltitude(altFt.second, CAltitude::MeanSeaLevel, CLengthUnit::ft());
const QPair<double, double> altDevMean = CMathUtils::standardDeviationAndMean(altValues);
m_altStdDev = CAltitude(altDevMean.first, CAltitude::MeanSeaLevel, CAltitude::defaultUnit());
m_altMean = CAltitude(altDevMean.second, CAltitude::MeanSeaLevel, CAltitude::defaultUnit());
}
const QList<double> elvValues = situations.elevationValues(CLengthUnit::ft());
const QList<double> elvValues = situations.elevationValues(CAltitude::defaultUnit());
if (elvValues.size() == situations.size())
{
const QPair<double, double> elvFt = CMathUtils::standardDeviationAndMean(elvValues);
m_elvStdDev = CAltitude(elvFt.first, CAltitude::MeanSeaLevel, CLengthUnit::ft());
m_elvMean = CAltitude(elvFt.second, CAltitude::MeanSeaLevel, CLengthUnit::ft());
const QPair<double, double> elvDevMean = CMathUtils::standardDeviationAndMean(elvValues);
m_elvStdDev = CAltitude(elvDevMean.first, CAltitude::MeanSeaLevel, CAltitude::defaultUnit());
m_elvMean = CAltitude(elvDevMean.second, CAltitude::MeanSeaLevel, CAltitude::defaultUnit());
if (altValues.size() == situations.size())
{
QList<double> altElvDeltas;
QList<double> gndDistance;
for (int i = 0; i < altValues.size(); i++)
{
const double delta = altValues[i] - elvValues[i];
altElvDeltas.push_back(delta);
gndDistance.push_back(delta);
}
const QPair<double, double> deltaFt = CMathUtils::standardDeviationAndMean(altElvDeltas);
m_altAglStdDev = CLength(deltaFt.first, CLengthUnit::ft());
m_altAglMean = CLength(deltaFt.second, CLengthUnit::ft());
const QPair<double, double> gndDistanceDevMean = CMathUtils::standardDeviationAndMean(gndDistance);
m_gndDistStdDev = CLength(gndDistanceDevMean.first, CAltitude::defaultUnit());
m_gndDistMean = CLength(gndDistanceDevMean.second, CAltitude::defaultUnit());
this->guessSceneryDeviation(situations);
const auto gndDistMinMax = std::minmax_element(gndDistance.constBegin(), gndDistance.constEnd());
const double gndDistMin = *gndDistMinMax.first;
const double gndDistMax = *gndDistMinMax.second;
m_minGroundDistance = CLength(gndDistMin, CAltitude::defaultUnit());
m_maxGroundDistance = CLength(gndDistMax, CAltitude::defaultUnit());
this->guessSceneryDeviation(cg);
}
}
return true;
@@ -221,45 +216,53 @@ namespace BlackMisc
static const QString noInfo("no info");
static const QString completeOg("complete og");
static const QString wasOg("was og");
static const QString someOg("some og");
static const QString smallAGLDev("small AGL dev. near gnd.");
switch (hint)
{
case AllOnGround: return completeOg;
case WasOnGround: return wasOg;
case SomeSituationsOnGround: return someOg;
case SmallAGLDeviationNearGround: return smallAGLDev;
case NoDeviationInfo:
default: break;
}
return noInfo;
}
void CAircraftSituationChange::guessSceneryDeviation(const CAircraftSituationList &situations)
void CAircraftSituationChange::setSceneryDeviation(const CLength &deviation, const CLength &cg, CAircraftSituationChange::GuessedSceneryDeviation hint)
{
m_guessedSceneryDeviation = deviation;
m_guessedSceneryDeviationCG = cg.isNull() ? CLength::null() : deviation - cg;
this->setSceneryDeviationHint(hint);
}
void CAircraftSituationChange::guessSceneryDeviation(const CLength &cg)
{
m_guessedSceneryDeviation = CLength::null();
if (m_altAglStdDev.isNull()) { return; }
if (m_altAglMean.isNull()) { return; }
this->setSceneryDeviationHint(NoDeviationInfo);
if (m_gndDistStdDev.isNull()) { return; }
if (m_gndDistMean.isNull()) { return; }
// only for a small deviation we can calculate scenery differemce
static const CLength maxDeviation(2, CLengthUnit::ft());
// On ground or was on ground
if (this->wasConstOnGround())
// Small deviation means "const" AGL
if (m_gndDistStdDev <= maxDeviation)
{
if (m_altAglStdDev > maxDeviation) { return; }
m_guessedSceneryDeviation = m_altAglMean;
this->setSceneryDeviationHint(this->isConstOnGround() ? AllOnGround : WasOnGround);
}
else
{
const CAircraftSituationList situationsOg = situations.findOnGroundWithElevation(CAircraftSituation::OnGround);
if (situationsOg.size() >= 2)
do
{
const QPair<CAltitude, CAltitude> altAgl = situationsOg.altitudeAglStandardDeviationAndMean();
if (altAgl.first > maxDeviation) { return; } // deviation
m_guessedSceneryDeviation = altAgl.second; // AGL mean;
this->setSceneryDeviationHint(SomeSituationsOnGround);
if (this->isConstOnGround()) { this->setSceneryDeviation(m_gndDistMean, cg, AllOnGround); break; }
if (this->isConstOnGround()) { this->setSceneryDeviation(m_gndDistMean, cg, WasOnGround); break; }
if (!m_altStdDev.isNull() && m_altStdDev <= maxDeviation)
{
// small alt.deviation too!
if (!m_maxGroundDistance.isNull() && m_maxGroundDistance < cg)
{
if (this->isConstOnGround()) { this->setSceneryDeviation(m_gndDistMean, cg, SmallAGLDeviationNearGround); break; }
}
}
}
while (false);
}
}
} // namespace