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Ref T668, update linear interpolant if new split is required

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This commit is contained in:
Klaus Basan
2019-05-16 23:56:47 +02:00
parent 848f54d4a7
commit 6596397c1e
1 changed files with 17 additions and 5 deletions
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22
src/blackmisc/simulation/interpolatorlinear.cpp
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@@ -119,9 +119,13 @@ namespace BlackMisc
CAircraftSituation oldSituation = m_interpolant.getOldSituation();
CAircraftSituation newSituation = m_interpolant.getNewSituation();
const bool recalculated = m_situationsLastModifiedUsed < m_situationsLastModified;
m_interpolant.setRecalculated(recalculated);
if (recalculated)
Q_ASSERT_X(newSituation.getAdjustedMSecsSinceEpoch() >= oldSituation.getAdjustedMSecsSinceEpoch(), Q_FUNC_INFO, "Wrong order");
const bool updated = m_situationsLastModifiedUsed < m_situationsLastModified;
const bool newSplit = newSituation.getAdjustedMSecsSinceEpoch() < m_currentTimeMsSinceEpoch;
const bool recalculate = updated || newSplit;
if (recalculate)
{
m_situationsLastModifiedUsed = m_situationsLastModified;
@@ -197,7 +201,13 @@ namespace BlackMisc
// 1) values > 1 mean extrapolation
// 2) values > 2 mean no new situations coming in
const double distanceToSplitTimeMs = newSituation.getAdjustedMSecsSinceEpoch() - m_currentTimeMsSinceEpoch;
const double simulationTimeFraction = qMax(1.0 - (distanceToSplitTimeMs / sampleDeltaTimeMs), 0.0);
double simulationTimeFraction = qMax(1.0 - (distanceToSplitTimeMs / sampleDeltaTimeMs), 0.0);
if (simulationTimeFraction >= 1.0)
{
simulationTimeFraction = 1.0;
if (qAbs(distanceToSplitTimeMs) > 100) { CLogMessage(this).debug(u"Distance to split: %1") << distanceToSplitTimeMs; }
}
const double deltaTimeFractionMs = sampleDeltaTimeMs * simulationTimeFraction;
const qint64 interpolatedTime = oldSituation.getMSecsSinceEpoch() + qRound(deltaTimeFractionMs);
@@ -216,10 +226,12 @@ namespace BlackMisc
log.interpolationSituations.clear();
log.interpolationSituations.push_back(oldSituation); // oldest at front
log.interpolationSituations.push_back(newSituation); // latest at back
log.interpolantRecalc = recalculated;
log.interpolantRecalc = recalculate;
}
m_interpolant = { oldSituation, newSituation, simulationTimeFraction, interpolatedTime };
m_interpolant.setRecalculated(recalculate);
return m_interpolant;
}
} // namespace