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Use nested namespaces (C++17 feature)
This commit is contained in:
Mat Sutcliffe
@@ -32,207 +32,204 @@ using namespace BlackMisc::Math;
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using namespace BlackMisc::PhysicalQuantities;
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using namespace BlackMisc::Simulation;
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namespace BlackMisc
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namespace BlackMisc::Simulation
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{
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namespace Simulation
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CInterpolatorLinear::CInterpolant::CInterpolant(const CAircraftSituation &oldSituation) :
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IInterpolant(1, CInterpolatorPbh(0, oldSituation, oldSituation)),
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m_oldSituation(oldSituation)
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{ }
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CInterpolatorLinear::CInterpolant::CInterpolant(const CAircraftSituation &oldSituation, const CInterpolatorPbh &pbh) :
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IInterpolant(1, pbh),
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m_oldSituation(oldSituation)
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{ }
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CInterpolatorLinear::CInterpolant::CInterpolant(const CAircraftSituation &oldSituation, const CAircraftSituation &newSituation, double timeFraction, qint64 interpolatedTime) :
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IInterpolant(interpolatedTime, 2),
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m_oldSituation(oldSituation), m_newSituation(newSituation),
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m_simulationTimeFraction(timeFraction)
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{
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CInterpolatorLinear::CInterpolant::CInterpolant(const CAircraftSituation &oldSituation) :
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IInterpolant(1, CInterpolatorPbh(0, oldSituation, oldSituation)),
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m_oldSituation(oldSituation)
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{ }
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m_pbh = CInterpolatorPbh(m_simulationTimeFraction, oldSituation, newSituation);
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}
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CInterpolatorLinear::CInterpolant::CInterpolant(const CAircraftSituation &oldSituation, const CInterpolatorPbh &pbh) :
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IInterpolant(1, pbh),
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m_oldSituation(oldSituation)
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{ }
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void CInterpolatorLinear::anchor()
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{ }
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CInterpolatorLinear::CInterpolant::CInterpolant(const CAircraftSituation &oldSituation, const CAircraftSituation &newSituation, double timeFraction, qint64 interpolatedTime) :
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IInterpolant(interpolatedTime, 2),
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m_oldSituation(oldSituation), m_newSituation(newSituation),
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m_simulationTimeFraction(timeFraction)
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CAircraftSituation CInterpolatorLinear::CInterpolant::interpolatePositionAndAltitude(const CAircraftSituation &situation, bool interpolateGndFactor) const
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{
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const std::array<double, 3> oldVec(m_oldSituation.getPosition().normalVectorDouble());
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const std::array<double, 3> newVec(m_newSituation.getPosition().normalVectorDouble());
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if (CBuildConfig::isLocalDeveloperDebugBuild())
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{
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m_pbh = CInterpolatorPbh(m_simulationTimeFraction, oldSituation, newSituation);
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BLACK_VERIFY_X(CAircraftSituation::isValidVector(oldVec), Q_FUNC_INFO, "Invalid old vector");
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BLACK_VERIFY_X(CAircraftSituation::isValidVector(newVec), Q_FUNC_INFO, "Invalid new vector");
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BLACK_VERIFY_X(isAcceptableTimeFraction(m_simulationTimeFraction), Q_FUNC_INFO, "Invalid fraction");
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}
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void CInterpolatorLinear::anchor()
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{ }
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// Interpolate position: pos = (posB - posA) * t + posA
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CCoordinateGeodetic newPosition;
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const double tf = clampValidTimeFraction(m_simulationTimeFraction);
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newPosition.setNormalVector((newVec[0] - oldVec[0]) * tf + oldVec[0],
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(newVec[1] - oldVec[1]) * tf + oldVec[1],
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(newVec[2] - oldVec[2]) * tf + oldVec[2]);
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CAircraftSituation CInterpolatorLinear::CInterpolant::interpolatePositionAndAltitude(const CAircraftSituation &situation, bool interpolateGndFactor) const
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if (CBuildConfig::isLocalDeveloperDebugBuild())
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{
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const std::array<double, 3> oldVec(m_oldSituation.getPosition().normalVectorDouble());
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const std::array<double, 3> newVec(m_newSituation.getPosition().normalVectorDouble());
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if (CBuildConfig::isLocalDeveloperDebugBuild())
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{
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BLACK_VERIFY_X(CAircraftSituation::isValidVector(oldVec), Q_FUNC_INFO, "Invalid old vector");
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BLACK_VERIFY_X(CAircraftSituation::isValidVector(newVec), Q_FUNC_INFO, "Invalid new vector");
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BLACK_VERIFY_X(isAcceptableTimeFraction(m_simulationTimeFraction), Q_FUNC_INFO, "Invalid fraction");
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}
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// Interpolate position: pos = (posB - posA) * t + posA
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CCoordinateGeodetic newPosition;
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const double tf = clampValidTimeFraction(m_simulationTimeFraction);
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newPosition.setNormalVector((newVec[0] - oldVec[0]) * tf + oldVec[0],
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(newVec[1] - oldVec[1]) * tf + oldVec[1],
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(newVec[2] - oldVec[2]) * tf + oldVec[2]);
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if (CBuildConfig::isLocalDeveloperDebugBuild())
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{
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BLACK_VERIFY_X(newPosition.isValidVectorRange(), Q_FUNC_INFO, "Invalid vector");
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}
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// Interpolate altitude: Alt = (AltB - AltA) * t + AltA
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// avoid underflow below ground elevation by using getCorrectedAltitude
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const CAltitude oldAlt(m_oldSituation.getCorrectedAltitude());
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const CAltitude newAlt(m_newSituation.getCorrectedAltitude());
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Q_ASSERT_X(oldAlt.getReferenceDatum() == CAltitude::MeanSeaLevel && oldAlt.getReferenceDatum() == newAlt.getReferenceDatum(), Q_FUNC_INFO, "mismatch in reference"); // otherwise no calculation is possible
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const CAltitude altitude((newAlt - oldAlt)
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* tf
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+ oldAlt,
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oldAlt.getReferenceDatum());
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CAircraftSituation newSituation(situation);
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newSituation.setPosition(newPosition);
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newSituation.setAltitude(altitude);
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newSituation.setMSecsSinceEpoch(this->getInterpolatedTime());
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if (interpolateGndFactor)
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{
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const double oldGroundFactor = m_oldSituation.getOnGroundFactor();
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const double newGroundFactor = m_newSituation.getOnGroundFactor();
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do
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{
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if (CAircraftSituation::isGfEqualAirborne(oldGroundFactor, newGroundFactor)) { newSituation.setOnGround(false); break; }
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if (CAircraftSituation::isGfEqualOnGround(oldGroundFactor, newGroundFactor)) { newSituation.setOnGround(true); break; }
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const double groundFactor = (newGroundFactor - oldGroundFactor) * tf + oldGroundFactor;
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newSituation.setOnGroundFactor(groundFactor);
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newSituation.setOnGroundFromGroundFactorFromInterpolation(groundInterpolationFactor());
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}
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while (false);
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}
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return newSituation;
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BLACK_VERIFY_X(newPosition.isValidVectorRange(), Q_FUNC_INFO, "Invalid vector");
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}
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CInterpolatorLinear::CInterpolant CInterpolatorLinear::getInterpolant(SituationLog &log)
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// Interpolate altitude: Alt = (AltB - AltA) * t + AltA
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// avoid underflow below ground elevation by using getCorrectedAltitude
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const CAltitude oldAlt(m_oldSituation.getCorrectedAltitude());
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const CAltitude newAlt(m_newSituation.getCorrectedAltitude());
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Q_ASSERT_X(oldAlt.getReferenceDatum() == CAltitude::MeanSeaLevel && oldAlt.getReferenceDatum() == newAlt.getReferenceDatum(), Q_FUNC_INFO, "mismatch in reference"); // otherwise no calculation is possible
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const CAltitude altitude((newAlt - oldAlt)
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* tf
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+ oldAlt,
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oldAlt.getReferenceDatum());
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CAircraftSituation newSituation(situation);
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newSituation.setPosition(newPosition);
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newSituation.setAltitude(altitude);
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newSituation.setMSecsSinceEpoch(this->getInterpolatedTime());
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if (interpolateGndFactor)
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{
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// set default situations
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CAircraftSituation oldSituation = m_interpolant.getOldSituation();
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CAircraftSituation newSituation = m_interpolant.getNewSituation();
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Q_ASSERT_X(newSituation.getAdjustedMSecsSinceEpoch() >= oldSituation.getAdjustedMSecsSinceEpoch(), Q_FUNC_INFO, "Wrong order");
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const bool updated = m_situationsLastModifiedUsed < m_situationsLastModified;
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const bool newSplit = newSituation.getAdjustedMSecsSinceEpoch() < m_currentTimeMsSinceEpoch;
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const bool recalculate = updated || newSplit;
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if (recalculate)
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const double oldGroundFactor = m_oldSituation.getOnGroundFactor();
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const double newGroundFactor = m_newSituation.getOnGroundFactor();
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do
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{
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m_situationsLastModifiedUsed = m_situationsLastModified;
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// find the first situation earlier than the current time
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const auto pivot = std::partition_point(m_currentSituations.begin(), m_currentSituations.end(), [ = ](auto &&s) { return s.getAdjustedMSecsSinceEpoch() > m_currentTimeMsSinceEpoch; });
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const auto situationsNewer = makeRange(m_currentSituations.begin(), pivot);
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const auto situationsOlder = makeRange(pivot, m_currentSituations.end());
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// latest first, now 00:20 split time
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// time pos
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// 00:25 10 newer
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// 00:20 11 newer
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// <----- split
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// 00:15 12 older
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// 00:10 13 older
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// 00:05 14 older
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// The first condition covers a situation, when there are no before / after situations.
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// We just place at the last position until we get before / after situations
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if (situationsOlder.isEmpty() || situationsNewer.isEmpty())
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{
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// no before situations
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if (situationsOlder.isEmpty())
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{
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const CAircraftSituation currentSituation(*(situationsNewer.end() - 1)); // oldest newest
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m_currentInterpolationStatus.setInterpolatedAndCheckSituation(false, currentSituation);
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m_interpolant = { currentSituation };
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return m_interpolant;
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}
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// only one before situation
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if (situationsOlder.size() < 2)
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{
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const CAircraftSituation currentSituation(situationsOlder.front()); // latest oldest
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m_currentInterpolationStatus.setInterpolatedAndCheckSituation(false, currentSituation);
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m_interpolant = { currentSituation };
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return m_interpolant;
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}
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// extrapolate from two before situations
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oldSituation = *(situationsOlder.begin() + 1); // before newest
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newSituation = situationsOlder.front(); // newest
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}
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else
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{
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oldSituation = situationsOlder.front(); // first oldest (aka newest oldest)
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newSituation = *(situationsNewer.end() - 1); // latest newest (aka oldest of newer block)
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Q_ASSERT(oldSituation.getAdjustedMSecsSinceEpoch() < newSituation.getAdjustedMSecsSinceEpoch());
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}
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// adjust ground if required
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if (!oldSituation.canLikelySkipNearGroundInterpolation() && !oldSituation.hasGroundElevation())
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{
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const CElevationPlane planeOld = this->findClosestElevationWithinRange(oldSituation, CElevationPlane::singlePointRadius());
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oldSituation.setGroundElevationChecked(planeOld, CAircraftSituation::FromCache);
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}
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if (!newSituation.canLikelySkipNearGroundInterpolation() && !newSituation.hasGroundElevation())
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{
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const CElevationPlane planeNew = this->findClosestElevationWithinRange(newSituation, CElevationPlane::singlePointRadius());
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newSituation.setGroundElevationChecked(planeNew, CAircraftSituation::FromCache);
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}
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} // modified situations
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CAircraftSituation currentSituation(oldSituation); // also sets ground elevation if available
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// Time between start and end packet
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const qint64 sampleDeltaTimeMs = newSituation.getAdjustedMSecsSinceEpoch() - oldSituation.getAdjustedMSecsSinceEpoch();
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Q_ASSERT_X(sampleDeltaTimeMs >= 0, Q_FUNC_INFO, "Negative delta time");
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log.interpolator = 'l';
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// Fraction of the deltaTime, ideally [0.0 - 1.0]
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// < 0 should not happen due to the split, > 1 can happen if new values are delayed beyond split time
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// 1) values > 1 mean extrapolation
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// 2) values > 2 mean no new situations coming in
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const double distanceToSplitTimeMs = newSituation.getAdjustedMSecsSinceEpoch() - m_currentTimeMsSinceEpoch;
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double simulationTimeFraction = qMax(1.0 - (distanceToSplitTimeMs / sampleDeltaTimeMs), 0.0);
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if (simulationTimeFraction >= 1.0)
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{
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simulationTimeFraction = 1.0;
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if (qAbs(distanceToSplitTimeMs) > 100) { CLogMessage(this).debug(u"Distance to split: %1") << distanceToSplitTimeMs; }
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if (CAircraftSituation::isGfEqualAirborne(oldGroundFactor, newGroundFactor)) { newSituation.setOnGround(false); break; }
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if (CAircraftSituation::isGfEqualOnGround(oldGroundFactor, newGroundFactor)) { newSituation.setOnGround(true); break; }
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const double groundFactor = (newGroundFactor - oldGroundFactor) * tf + oldGroundFactor;
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newSituation.setOnGroundFactor(groundFactor);
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newSituation.setOnGroundFromGroundFactorFromInterpolation(groundInterpolationFactor());
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}
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const double deltaTimeFractionMs = sampleDeltaTimeMs * simulationTimeFraction;
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const qint64 interpolatedTime = oldSituation.getMSecsSinceEpoch() + qRound(deltaTimeFractionMs);
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// Ref T297 adjust offset time, but this already the interpolated situation
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currentSituation.setTimeOffsetMs(oldSituation.getTimeOffsetMs() + qRound((newSituation.getTimeOffsetMs() - oldSituation.getTimeOffsetMs()) * simulationTimeFraction));
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currentSituation.setMSecsSinceEpoch(interpolatedTime);
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m_currentInterpolationStatus.setInterpolatedAndCheckSituation(true, currentSituation);
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if (this->doLogging())
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{
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log.tsCurrent = m_currentTimeMsSinceEpoch;
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log.deltaSampleTimesMs = sampleDeltaTimeMs;
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log.simTimeFraction = simulationTimeFraction;
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log.deltaSampleTimesMs = sampleDeltaTimeMs;
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log.tsInterpolated = interpolatedTime;
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log.interpolationSituations.clear();
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log.interpolationSituations.push_back(oldSituation); // oldest at front
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log.interpolationSituations.push_back(newSituation); // latest at back
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log.interpolantRecalc = recalculate;
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}
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m_interpolant = { oldSituation, newSituation, simulationTimeFraction, interpolatedTime };
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m_interpolant.setRecalculated(recalculate);
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return m_interpolant;
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while (false);
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}
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} // namespace
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return newSituation;
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}
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CInterpolatorLinear::CInterpolant CInterpolatorLinear::getInterpolant(SituationLog &log)
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{
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// set default situations
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CAircraftSituation oldSituation = m_interpolant.getOldSituation();
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CAircraftSituation newSituation = m_interpolant.getNewSituation();
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Q_ASSERT_X(newSituation.getAdjustedMSecsSinceEpoch() >= oldSituation.getAdjustedMSecsSinceEpoch(), Q_FUNC_INFO, "Wrong order");
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const bool updated = m_situationsLastModifiedUsed < m_situationsLastModified;
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const bool newSplit = newSituation.getAdjustedMSecsSinceEpoch() < m_currentTimeMsSinceEpoch;
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const bool recalculate = updated || newSplit;
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if (recalculate)
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{
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m_situationsLastModifiedUsed = m_situationsLastModified;
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// find the first situation earlier than the current time
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const auto pivot = std::partition_point(m_currentSituations.begin(), m_currentSituations.end(), [ = ](auto &&s) { return s.getAdjustedMSecsSinceEpoch() > m_currentTimeMsSinceEpoch; });
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const auto situationsNewer = makeRange(m_currentSituations.begin(), pivot);
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const auto situationsOlder = makeRange(pivot, m_currentSituations.end());
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// latest first, now 00:20 split time
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// time pos
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// 00:25 10 newer
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// 00:20 11 newer
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// <----- split
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// 00:15 12 older
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// 00:10 13 older
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// 00:05 14 older
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// The first condition covers a situation, when there are no before / after situations.
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// We just place at the last position until we get before / after situations
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if (situationsOlder.isEmpty() || situationsNewer.isEmpty())
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{
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// no before situations
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if (situationsOlder.isEmpty())
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{
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const CAircraftSituation currentSituation(*(situationsNewer.end() - 1)); // oldest newest
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m_currentInterpolationStatus.setInterpolatedAndCheckSituation(false, currentSituation);
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m_interpolant = { currentSituation };
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return m_interpolant;
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}
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// only one before situation
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if (situationsOlder.size() < 2)
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{
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const CAircraftSituation currentSituation(situationsOlder.front()); // latest oldest
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m_currentInterpolationStatus.setInterpolatedAndCheckSituation(false, currentSituation);
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m_interpolant = { currentSituation };
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return m_interpolant;
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}
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// extrapolate from two before situations
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oldSituation = *(situationsOlder.begin() + 1); // before newest
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newSituation = situationsOlder.front(); // newest
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}
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else
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{
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oldSituation = situationsOlder.front(); // first oldest (aka newest oldest)
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newSituation = *(situationsNewer.end() - 1); // latest newest (aka oldest of newer block)
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Q_ASSERT(oldSituation.getAdjustedMSecsSinceEpoch() < newSituation.getAdjustedMSecsSinceEpoch());
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}
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// adjust ground if required
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if (!oldSituation.canLikelySkipNearGroundInterpolation() && !oldSituation.hasGroundElevation())
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{
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const CElevationPlane planeOld = this->findClosestElevationWithinRange(oldSituation, CElevationPlane::singlePointRadius());
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oldSituation.setGroundElevationChecked(planeOld, CAircraftSituation::FromCache);
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}
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if (!newSituation.canLikelySkipNearGroundInterpolation() && !newSituation.hasGroundElevation())
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{
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const CElevationPlane planeNew = this->findClosestElevationWithinRange(newSituation, CElevationPlane::singlePointRadius());
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newSituation.setGroundElevationChecked(planeNew, CAircraftSituation::FromCache);
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}
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} // modified situations
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CAircraftSituation currentSituation(oldSituation); // also sets ground elevation if available
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// Time between start and end packet
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const qint64 sampleDeltaTimeMs = newSituation.getAdjustedMSecsSinceEpoch() - oldSituation.getAdjustedMSecsSinceEpoch();
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Q_ASSERT_X(sampleDeltaTimeMs >= 0, Q_FUNC_INFO, "Negative delta time");
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log.interpolator = 'l';
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// Fraction of the deltaTime, ideally [0.0 - 1.0]
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// < 0 should not happen due to the split, > 1 can happen if new values are delayed beyond split time
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// 1) values > 1 mean extrapolation
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// 2) values > 2 mean no new situations coming in
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const double distanceToSplitTimeMs = newSituation.getAdjustedMSecsSinceEpoch() - m_currentTimeMsSinceEpoch;
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double simulationTimeFraction = qMax(1.0 - (distanceToSplitTimeMs / sampleDeltaTimeMs), 0.0);
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if (simulationTimeFraction >= 1.0)
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{
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simulationTimeFraction = 1.0;
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if (qAbs(distanceToSplitTimeMs) > 100) { CLogMessage(this).debug(u"Distance to split: %1") << distanceToSplitTimeMs; }
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}
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const double deltaTimeFractionMs = sampleDeltaTimeMs * simulationTimeFraction;
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const qint64 interpolatedTime = oldSituation.getMSecsSinceEpoch() + qRound(deltaTimeFractionMs);
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// Ref T297 adjust offset time, but this already the interpolated situation
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currentSituation.setTimeOffsetMs(oldSituation.getTimeOffsetMs() + qRound((newSituation.getTimeOffsetMs() - oldSituation.getTimeOffsetMs()) * simulationTimeFraction));
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currentSituation.setMSecsSinceEpoch(interpolatedTime);
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m_currentInterpolationStatus.setInterpolatedAndCheckSituation(true, currentSituation);
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|
||||
if (this->doLogging())
|
||||
{
|
||||
log.tsCurrent = m_currentTimeMsSinceEpoch;
|
||||
log.deltaSampleTimesMs = sampleDeltaTimeMs;
|
||||
log.simTimeFraction = simulationTimeFraction;
|
||||
log.deltaSampleTimesMs = sampleDeltaTimeMs;
|
||||
log.tsInterpolated = interpolatedTime;
|
||||
log.interpolationSituations.clear();
|
||||
log.interpolationSituations.push_back(oldSituation); // oldest at front
|
||||
log.interpolationSituations.push_back(newSituation); // latest at back
|
||||
log.interpolantRecalc = recalculate;
|
||||
}
|
||||
|
||||
m_interpolant = { oldSituation, newSituation, simulationTimeFraction, interpolatedTime };
|
||||
m_interpolant.setRecalculated(recalculate);
|
||||
|
||||
return m_interpolant;
|
||||
}
|
||||
} // namespace
|
||||
|
||||
Reference in New Issue
Block a user