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Datum shift optimization (precompute ellipsoid constants)

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+ projections code unification
This commit is contained in:
Martin Tůma
2018-05-17 22:41:56 +02:00
parent b3940283a8
commit a486f9e78d
15 changed files with 98 additions and 105 deletions
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7
src/map/ellipsoid.cpp
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@ -66,6 +66,13 @@ void Ellipsoid::loadList(const QString &path)
}
}
Ellipsoid::Ellipsoid(double radius, double flattening)
: _radius(radius), _flattening(flattening)
{
_es = 2.0 * flattening - flattening * flattening;
_b = radius * (1.0 - flattening);
}
#ifndef QT_NO_DEBUG
QDebug operator<<(QDebug dbg, const Ellipsoid &ellipsoid)
{