public GeoLocation(GeoCoordinate coordinate, Double heading, Double speed, CivicAddress address, DateTimeOffset timestamp)
{
if (coordinate == null)
{
throw new ArgumentNullException("coordinate");
}
if (address == null)
{
throw new ArgumentNullException("address");
}
if (heading < 0.0 || heading > 360.0)
{
throw new ArgumentOutOfRangeException("heading", SR2.GetString(SR.Argument_MustBeInRangeZeroTo360));
}
if (speed < 0.0)
{
throw new ArgumentOutOfRangeException("speed", SR2.GetString(SR.Argument_MustBeNonNegative));
}
Coordinate = coordinate;
Address = address;
Heading = heading;
Speed = speed;
Timestamp = timestamp;
}
public GeoCoordinate(Double latitude, Double longitude, Double horizontalAccuracy, Double altitude, Double verticalAccuracy)
{
if (Double.IsNaN(latitude) || latitude > 90.0 || latitude < -90.0)
{
throw new ArgumentOutOfRangeException("latitude", SR2.GetString(SR.Argument_MustBeInRangeNegative90to90));
}
if (Double.IsNaN(longitude) || longitude > 180.0 || longitude < -180.0)
{
throw new ArgumentOutOfRangeException("longitude", SR2.GetString(SR.Argument_MustBeInRangeNegative180To180));
}
if (horizontalAccuracy < 0.0)
{
throw new ArgumentOutOfRangeException("horizontalAccuracy", SR2.GetString(SR.Argument_MustBeNonNegative));
}
if (verticalAccuracy < 0.0)
{
throw new ArgumentOutOfRangeException("verticalAccuracy", SR2.GetString(SR.Argument_MustBeNonNegative));
}
horizontalAccuracy = (horizontalAccuracy == 0.0) ? Double.NaN : horizontalAccuracy;
verticalAccuracy = (verticalAccuracy == 0.0) ? Double.NaN : verticalAccuracy;
Latitude = latitude;
Longitude = longitude;
Altitude = altitude;
HorizontalAccuracy = horizontalAccuracy;
VerticalAccuracy = verticalAccuracy;
}
public CivicAddress(String addressLine1, String addressLine2, String building, String city, String countryRegion, String floorLevel, String postalCode, String stateProvince)
: this()
{
bool hasField = false;
if (addressLine1 != null && addressLine1 != String.Empty)
{
hasField = true;
AddressLine1 = addressLine1;
}
if (addressLine2 != null && addressLine2 != String.Empty)
{
hasField = true;
AddressLine2 = addressLine2;
}
if (building != null && building != String.Empty)
{
hasField = true;
Building = building;
}
if (city != null && city != String.Empty)
{
hasField = true;
City = city;
}
if (countryRegion != null && countryRegion != String.Empty)
{
hasField = true;
CountryRegion = countryRegion;
}
if (floorLevel != null && floorLevel != String.Empty)
{
hasField = true;
FloorLevel = floorLevel;
}
if (postalCode != null && postalCode != String.Empty)
{
hasField = true;
PostalCode = postalCode;
}
if (stateProvince != null && stateProvince != String.Empty)
{
hasField = true;
StateProvince = stateProvince;
}
if (!hasField)
{
throw new ArgumentException(SR2.GetString(SR.Argument_RequiresAtLeastOneNonEmptyStringParameter));
}
}
public Double GetDistanceTo(GeoCoordinate other)
{
// The Haversine formula according to Dr. Math.
// http://mathforum.org/library/drmath/view/51879.html
// dlon = lon2 - lon1
// dlat = lat2 - lat1
// a = (sin(dlat/2))^2 + cos(lat1) * cos(lat2) * (sin(dlon/2))^2
// c = 2 * atan2(sqrt(a), sqrt(1-a))
// d = R * c
// Where
// * dlon is the change in longitude
// * dlat is the change in latitude
// * c is the great circle distance in Radians.
// * R is the radius of a spherical Earth.
// * The locations of the two points in
// spherical coordinates (longitude and
// latitude) are lon1,lat1 and lon2, lat2.
if (Double.IsNaN(Latitude) || Double.IsNaN(Longitude) ||
Double.IsNaN(other.Latitude) || Double.IsNaN(other.Longitude))
{
throw new ArgumentException(SR2.GetString(SR.Argument_LatitudeOrLongitudeIsNotANumber));
}
double dDistance = Double.NaN;
double dLat1 = Latitude * (Math.PI / 180.0);
double dLon1 = Longitude * (Math.PI / 180.0);
double dLat2 = other.Latitude * (Math.PI / 180.0);
double dLon2 = other.Longitude * (Math.PI / 180.0);
double dLon = dLon2 - dLon1;
double dLat = dLat2 - dLat1;
// Intermediate result a.
double a = Math.Pow(Math.Sin(dLat / 2.0), 2.0) +
Math.Cos(dLat1) * Math.Cos(dLat2) *
Math.Pow(Math.Sin(dLon / 2.0), 2.0);
// Intermediate result c (great circle distance in Radians).
double c = 2.0 * Math.Atan2(Math.Sqrt(a), Math.Sqrt(1.0 - a));
// Distance.
const Double kEarthRadiusMs = 6376500;
dDistance = kEarthRadiusMs * c;
return(dDistance);
}
