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feat: quantity_from_zero() enabled for absolute point origins

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Mateusz Pusz
2023-12-22 16:41:14 +01:00
parent a962182e13
commit f2abaa28bc
4 changed files with 21 additions and 19 deletions
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example/include/geographic.h
+4 -4
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@@ -178,10 +178,10 @@ distance spherical_distance(position<T> from, position<T> to)
using isq::sin, isq::cos, isq::asin, isq::acos;
const quantity from_lat = from.lat.quantity_from(equator);
const quantity from_lon = from.lon.quantity_from(prime_meridian);
const quantity to_lat = to.lat.quantity_from(equator);
const quantity to_lon = to.lon.quantity_from(prime_meridian);
const quantity from_lat = from.lat.quantity_from_zero();
const quantity from_lon = from.lon.quantity_from_zero();
const quantity to_lat = to.lat.quantity_from_zero();
const quantity to_lon = to.lon.quantity_from_zero();
// https://en.wikipedia.org/wiki/Great-circle_distance#Formulae
if constexpr (sizeof(T) >= 8) {
example/unmanned_aerial_vehicle.cpp
+2 -2
View File
@@ -97,8 +97,8 @@ template<earth_gravity_model M>
hae_altitude<M> to_hae(msl_altitude msl, position<long double> pos)
{
const auto geoid_undulation =
isq::height(GeographicLibWhatsMyOffset(pos.lat.quantity_from(equator).numerical_value_in(si::degree),
pos.lon.quantity_from(prime_meridian).numerical_value_in(si::degree)) *
isq::height(GeographicLibWhatsMyOffset(pos.lat.quantity_from_zero().numerical_value_in(si::degree),
pos.lon.quantity_from_zero().numerical_value_in(si::degree)) *
si::metre);
return height_above_ellipsoid<M> + (msl - mean_sea_level - geoid_undulation);
}