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Ref T275, extrapolate elevation function

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* extrapolate will be used to "guess" elevation when a new network situation is received
* we guess the elevation until we receive it from provider
This commit is contained in:
Klaus Basan
2018-06-17 00:34:02 +02:00
parent 5a22b79299
commit c24e1d9c16
4 changed files with 117 additions and 23 deletions
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21
src/blackmisc/aviation/aircraftsituationlist.cpp
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@@ -114,6 +114,14 @@ namespace BlackMisc
return c;
}
bool CAircraftSituationList::extrapolateElevation(const CAircraftSituationChange &change)
{
if (this->size() < 3) { return false; }
const CAircraftSituation old = (*this)[1];
const CAircraftSituation older = (*this)[2];
return this->front().extrapolateElevation(old, older, change);
}
CAircraftSituationList CAircraftSituationList::findByInboundGroundInformation(bool hasGroundInfo) const
{
return this->findBy(&CAircraftSituation::hasInboundGroundDetails, hasGroundInfo);
@@ -511,6 +519,19 @@ namespace BlackMisc
const QPair<double, double> deltaFt = CMathUtils::standardDeviationAndMean(altElvDeltas);
return CAltitudePair(CAltitude(deltaFt.first, CAltitude::MeanSeaLevel, CAltitude::defaultUnit()), CAltitude(deltaFt.second, CAltitude::MeanSeaLevel, CAltitude::defaultUnit()));
}
int CAircraftSituationList::transferElevationForward(const CLength radius)
{
if (this->size() < 2) { return 0; }
Q_ASSERT_X(m_tsAdjustedSortHint == CAircraftSituationList::AdjustedTimestampLatestFirst, Q_FUNC_INFO, "need latest first");
int c = 0;
for (int i = 1; i < this->size(); ++i)
{
const CAircraftSituation &oldSituation = (*this)[i];
CAircraftSituation &newSituation = (*this)[i - 1];
if (oldSituation.transferGroundElevation(newSituation, radius)) { c++; }
}
return c;
}
} // namespace
} // namespace