metersToLongitudeDegrees method
Calculates the number of degrees a given distance is at a given latitude.
@param distance The distance to convert. @param latitude The latitude at which to calculate. @returns The number of degrees the distance corresponds to.
Implementation
double metersToLongitudeDegrees(double distance, double latitude) {
var radians = degreesToRadians(latitude);
var num = cos(radians) * _EARTH_EQ_RADIUS * pi / 180;
var denom = 1 / sqrt(1 - _E2 * sin(radians) * sin(radians));
var deltaDeg = num * denom;
if (deltaDeg < _EPSILON) {
return distance > 0 ? 360 : 0;
} else {
return min(360, distance / deltaDeg);
}
}