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Ref T260, utility functions for interpolation/guessing

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This commit is contained in:
Klaus Basan
2018-04-18 05:01:21 +02:00
committed by Roland Winklmeier
parent d021e2dcce
commit 075ffa8ccb
5 changed files with 74 additions and 10 deletions
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40
src/blackmisc/aviation/aircraftsituation.cpp
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@@ -274,11 +274,26 @@ namespace BlackMisc
m_onGroundFactor = gf;
}
bool CAircraftSituation::shouldGuessOnGround() const
{
return (!this->isOnGroundInfoAvailable());
}
bool CAircraftSituation::guessOnGround(bool vtol, const PhysicalQuantities::CLength &cg)
{
if (this->getOnGroundDetails() == NotSet) { return false; }
if (!this->shouldGuessOnGround()) { return false; }
// Non VTOL aircraft have to move to be not on ground
if (!vtol && !this->isMoving())
{
this->setOnGround(OnGround, CAircraftSituation::OnGroundByGuessing);
return true;
}
// by elevation
// we can detect "on ground" but not "not on ground" because of overflow
IsOnGround og = this->isOnGroundByElevation(cg);
if (og != OnGroundSituationUnknown)
if (og == OnGround)
{
this->setOnGround(og, CAircraftSituation::OnGroundByGuessing);
return true;
@@ -306,6 +321,11 @@ namespace BlackMisc
return groundDistance;
}
bool CAircraftSituation::hasGroundDetailsForGndInterpolation() const
{
return this->getOnGroundDetails() != CAircraftSituation::NotSetGroundDetails;
}
const QString &CAircraftSituation::getOnDetailsAsString() const
{
return CAircraftSituation::onGroundDetailsToString(this->getOnGroundDetails());
@@ -352,9 +372,17 @@ namespace BlackMisc
CAircraftSituation::IsOnGround CAircraftSituation::isOnGroundByElevation(const CLength &cg) const
{
Q_ASSERT_X(!cg.isNegativeWithEpsilonConsidered(), Q_FUNC_INFO, "CG must not be negative");
const CLength groundDistance = this->getGroundDistance(cg);
if (groundDistance.isNull()) { return OnGroundSituationUnknown; }
if (groundDistance.isNegativeWithEpsilonConsidered() || groundDistance.abs() < deltaNearGround()) { return OnGround; }
if (groundDistance.isNegativeWithEpsilonConsidered()) { return OnGround; }
if (groundDistance.abs() < deltaNearGround()) { return OnGround; }
if (!cg.isNull())
{
// smaller than percentage from CG
const CLength cgFactor(cg * 0.1);
if (groundDistance.abs() < cgFactor) { return OnGround; }
}
return NotOnGround;
}
@@ -363,7 +391,7 @@ namespace BlackMisc
return !this->getGroundElevation().isNull();
}
bool CAircraftSituation::hasInboundGroundInformation() const
bool CAircraftSituation::hasInboundGroundDetails() const
{
return this->getOnGroundDetails() == CAircraftSituation::InFromParts || this->getOnGroundDetails() == CAircraftSituation::InFromNetwork;
}
@@ -453,7 +481,7 @@ namespace BlackMisc
if (correctetion) { *correctetion = NoCorrection; }
return groundPlusCG;
}
const bool forceDragToGround = (enableDragToGround && this->getOnGround() == OnGround) && (this->hasInboundGroundInformation() || this->getOnGroundDetails() == OnGroundByGuessing);
const bool forceDragToGround = (enableDragToGround && this->getOnGround() == OnGround) && (this->hasInboundGroundDetails() || this->getOnGroundDetails() == OnGroundByGuessing);
if (forceDragToGround)
{
if (correctetion) { *correctetion = DraggedToGround; }
@@ -487,7 +515,7 @@ namespace BlackMisc
bool CAircraftSituation::canLikelySkipNearGroundInterpolation() const
{
// those we can exclude
if (this->isOnGround() && this->hasInboundGroundInformation()) { return false; }
if (this->isOnGround() && this->hasInboundGroundDetails()) { return false; }
// cases where we can skip
if (this->isNull()) { return true; }