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Ref T397, checks on vector to find root cause NaN/inf issue

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* sometimes very large numbers (xxE38) in vector
* sometimes vectors which look correct, but exceed [-1,1]
This commit is contained in:
Klaus Basan
2018-10-10 15:03:31 +02:00
parent 4038729e82
commit dec0b12ea2
10 changed files with 98 additions and 9 deletions
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14
src/blackmisc/aviation/aircraftsituation.cpp
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@@ -243,16 +243,24 @@ namespace BlackMisc
CElevationPlane CAircraftSituation::interpolatedElevation(const CAircraftSituation &situation, const CAircraftSituation &oldSituation, const CAircraftSituation &newSituation, const CLength &distance)
{
if (oldSituation.isNull() || newSituation.isNull()) { return CAircraftSituation::null(); }
if (oldSituation.isNull() || newSituation.isNull()) { return CElevationPlane::null(); }
if (!oldSituation.hasGroundElevation() || !newSituation.hasGroundElevation()) { return CElevationPlane::null(); }
if (oldSituation.equalNormalVectorDouble(newSituation)) { return newSituation.getGroundElevationPlane(); }
const double newElvFt = newSituation.getGroundElevation().value(CLengthUnit::ft());
const double oldElvFt = oldSituation.getGroundElevation().value(CLengthUnit::ft());
const double deltaElvFt = newElvFt - oldElvFt;
if (deltaElvFt > 25) { return CElevationPlane::null(); }
if (deltaElvFt > MaxDeltaElevationFt) { return CElevationPlane::null(); } // threshold, interpolation not possible
if (!situation.isNull())
{
if (CBuildConfig::isLocalDeveloperDebugBuild())
{
Q_ASSERT_X(situation.isValidVectorRange(), Q_FUNC_INFO, "Invalid range");
Q_ASSERT_X(oldSituation.isValidVectorRange(), Q_FUNC_INFO, "Invalid range");
Q_ASSERT_X(newSituation.isValidVectorRange(), Q_FUNC_INFO, "Invalid range");
}
const double distanceSituationNewM = situation.calculateGreatCircleDistance(newSituation).value(CLengthUnit::m());
if (distanceSituationNewM < 5.0) { return newSituation.getGroundElevationPlane(); }
@@ -261,7 +269,7 @@ namespace BlackMisc
const double distRatio = distanceSituationNewM / distanceOldNewM;
// very close to the situations we return tehir elevation
// very close to the situations we return their elevation
if (distRatio < 0.05) { return newSituation.getGroundElevationPlane(); }
if (distRatio > 0.95) { return oldSituation.getGroundElevationPlane(); }