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Ref T231, using corrected altitude with CG in spline interpolator

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Ref T207
This commit is contained in:
Klaus Basan
2018-01-21 19:51:10 +01:00
parent 47d1915e17
commit b49816795c
1 changed files with 19 additions and 3 deletions
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22
src/blackmisc/simulation/interpolatorspline.cpp
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@@ -90,7 +90,7 @@ namespace BlackMisc
}
CInterpolatorSpline::Interpolant CInterpolatorSpline::getInterpolant(qint64 currentTimeMsSinceEpoc,
const CInterpolationAndRenderingSetup &setup, const CInterpolationHints &hints, CInterpolationStatus &status, CInterpolationLogger::SituationLog &log)
const CInterpolationAndRenderingSetup &setup, const CInterpolationHints &hints, CInterpolationStatus &status, CInterpolationLogger::SituationLog &log)
{
Q_UNUSED(hints);
Q_UNUSED(setup);
@@ -112,13 +112,29 @@ namespace BlackMisc
return { *this, 0 };
}
const std::array<CAircraftSituation, 3> s {{ *(situationsOlder.begin() + 1), *situationsOlder.begin(), *(situationsNewer.end() - 1) }};
std::array<CAircraftSituation, 3> s {{ *(situationsOlder.begin() + 1), *situationsOlder.begin(), *(situationsNewer.end() - 1) }};
// altitude unit must be the same for all three, but does not matter
// ground elevantion here normally is not available
// 100km/h => 1sec 27,7m => 5 secs 136m
// only use elevation plane here, do not call provider
if (!hints.getElevationPlane().isNull())
{
const CAltitude groundElevation = hints.getElevationPlane().getAltitude();
s[0].setGroundElevation(groundElevation);
s[1].setGroundElevation(groundElevation);
s[2].setGroundElevation(groundElevation);
}
const double a0 = s[0].getCorrectedAltitude(hints.getCGAboveGround()).value();
const double a1 = s[1].getCorrectedAltitude(hints.getCGAboveGround()).value();
const double a2 = s[2].getCorrectedAltitude(hints.getCGAboveGround()).value();
const std::array<std::array<double, 3>, 3> normals {{ s[0].getPosition().normalVectorDouble(), s[1].getPosition().normalVectorDouble(), s[2].getPosition().normalVectorDouble() }};
x = {{ normals[0][0], normals[1][0], normals[2][0] }};
y = {{ normals[0][1], normals[1][1], normals[2][1] }};
z = {{ normals[0][2], normals[1][2], normals[2][2] }};
a = {{ s[0].getCorrectedAltitude().value(), s[1].getCorrectedAltitude().value(), s[2].getCorrectedAltitude().value() }};
a = {{ a0, a1, a2 }};
t = {{ static_cast<double>(s[0].getAdjustedMSecsSinceEpoch()), static_cast<double>(s[1].getAdjustedMSecsSinceEpoch()), static_cast<double>(s[2].getAdjustedMSecsSinceEpoch()) }};
dx = getDerivatives(t, x);