public Distance GetDistanceTo(Position other)
{
var d1 = this.Latitude * (Math.PI / 180.0);
var num1 = this.Longitude * (Math.PI / 180.0);
var d2 = other.Latitude * (Math.PI / 180.0);
var num2 = other.Longitude * (Math.PI / 180.0) - num1;
var d3 = Math.Pow(Math.Sin((d2 - d1) / 2.0), 2.0) +
Math.Cos(d1) * Math.Cos(d2) * Math.Pow(Math.Sin(num2 / 2.0), 2.0);
var meters = 6376500.0 * (2.0 * Math.Atan2(Math.Sqrt(d3), Math.Sqrt(1.0 - d3)));
return(Distance.FromMeters(meters));
}
internal static RepositoryWrapper <GeofenceRegion, GeofenceRegionStore> Wrap(this IRepository repository) => new RepositoryWrapper <GeofenceRegion, GeofenceRegionStore>
(
repository,
args => new GeofenceRegionStore
{
Identifier = args.Identifier,
CenterLatitude = args.Center.Latitude,
CenterLongitude = args.Center.Longitude,
RadiusMeters = args.Radius.TotalMeters,
SingleUse = args.SingleUse,
NotifyOnEntry = args.NotifyOnEntry,
NotifyOnExit = args.NotifyOnExit
},
store => new GeofenceRegion(
store.Identifier,
new Position(store.CenterLatitude, store.CenterLongitude),
Distance.FromMeters(store.RadiusMeters)
)
{
SingleUse = store.SingleUse,
NotifyOnEntry = store.NotifyOnEntry,
NotifyOnExit = store.NotifyOnExit
}
);