Returns the distance, in meters, between two LatLngs. You can optionally specify a custom radius. The radius defaults to the radius of the Earth.
Returns the heading from one LatLng to another LatLng. Headings are expressed in degrees clockwise from North within the range [-180,180).
Returns the length of the given path.
Returns the LatLng resulting from moving a distance from an origin in the specified heading (expressed in degrees clockwise from north).
Returns the location of origin when provided with a LatLng destination,
meters travelled and original heading. Headings are expressed in degrees
clockwise from North. This function returns null when no
solution is available.
Returns the signed area of a closed path, where counterclockwise is
positive, in the range [-2×pi×radius², 2×pi×radius²]. The computed area
uses the same units as the radius. The radius defaults to the Earth's
radius in meters, in which case the area is in square meters.
The
area is computed using the parallel transport
method; the parallel transport around a closed path on the unit sphere
twists by an angle that is equal to the area enclosed by the path. This is
simpler and more accurate and robust than triangulation using Girard,
l'Huilier, or Eriksson on each triangle. In particular, since it
doesn't triangulate, it suffers no instability except in the
unavoidable case when an edge (not a diagonal) of the polygon
spans 180 degrees.
Returns the LatLng which lies the given fraction of the way between the origin LatLng and the destination LatLng.
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Returns the unsigned area of a closed path, in the range [0, 2×pi×radius²]. The computed area uses the same units as the radius. The
radiusOfSpheredefaults to the Earth's radius in meters, in which case the area is in square meters. Passing aCirclerequires theradiusto be set to a non-negative value. Additionally, the Circle must not cover more than 100% of the sphere. And when passing aLatLngBounds, the southern LatLng cannot be more north than the northern LatLng.