Various position fixes (#3297)

* Guard against no movement

* Add newlines

* Fix printfs
This commit is contained in:
Ben Meadors
2024-02-26 20:24:36 -06:00
committed by GitHub
parent ce0e5c0ce7
commit e6a2c06346
4 changed files with 13 additions and 11 deletions

View File

@@ -376,14 +376,17 @@ void GeoCoord::convertWGS84ToOSGB36(const double lat, const double lon, double &
}
/// Ported from my old java code, returns distance in meters along the globe
/// surface (by magic?)
/// surface (by Haversine formula)
float GeoCoord::latLongToMeter(double lat_a, double lng_a, double lat_b, double lng_b)
{
double pk = (180 / 3.14169);
double a1 = lat_a / pk;
double a2 = lng_a / pk;
double b1 = lat_b / pk;
double b2 = lng_b / pk;
// Don't do math if the points are the same
if (lat_a == lat_b && lng_a == lng_b)
return 0.0;
double a1 = lat_a / DEG_CONVERT;
double a2 = lng_a / DEG_CONVERT;
double b1 = lat_b / DEG_CONVERT;
double b2 = lng_b / DEG_CONVERT;
double cos_b1 = cos(b1);
double cos_a1 = cos(a1);
double t1 = cos_a1 * cos(a2) * cos_b1 * cos(b2);