| /Geodesics/Distance.cs |
|---|
| @@ -0,0 +1,85 @@ |
|---|
| /////////////////////////////////////////////////////////////////////////// |
| // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 // |
| // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
| // rights of fair usage, the disclaimer and warranty conditions. // |
| /////////////////////////////////////////////////////////////////////////// |
| |
| using System; |
| |
| namespace wasSharp.Geo |
| { |
| public enum DistanceUnits |
| { |
| METERS = 1, |
| KILOMETERS = 2 |
| } |
| |
| public class Distance : IComparable<Distance>, IEquatable<Distance> |
| { |
| public Distance(double meters) |
| { |
| Meters = meters; |
| } |
| |
| public double Kilometers => Meters / 1000d; |
| |
| public double Meters { get; } |
| |
| public int CompareTo(Distance other) |
| { |
| return Meters.CompareTo(other.Meters); |
| } |
| |
| public bool Equals(Distance other) |
| { |
| return this == other; |
| } |
| |
| public static bool operator >(Distance a, Distance b) |
| { |
| return a != null && b != null && a.Meters > b.Meters; |
| } |
| |
| public static bool operator >=(Distance a, Distance b) |
| { |
| return (a == null && b == null) || (a != null && b != null && a.Meters >= b.Meters); |
| } |
| |
| public static bool operator <(Distance a, Distance b) |
| { |
| return a != null && b != null && a.Meters < b.Meters; |
| } |
| |
| public static bool operator <=(Distance a, Distance b) |
| { |
| return (a == null && b == null) || (a != null && b != null && a.Meters <= b.Meters); |
| } |
| |
| public static bool operator ==(Distance a, Distance b) |
| { |
| return (ReferenceEquals(a, null) && ReferenceEquals(b, null)) || |
| (!ReferenceEquals(a, null) && !ReferenceEquals(b, null) && a.Meters == b.Meters); |
| } |
| |
| public static bool operator !=(Distance a, Distance b) |
| { |
| return !(a == b); |
| } |
| |
| public override bool Equals(object obj) |
| { |
| if (obj == null) |
| return false; |
| |
| if (obj is Distance) |
| return Equals(obj as Distance); |
| |
| return ReferenceEquals(this, obj); |
| } |
| |
| public override int GetHashCode() |
| { |
| return base.GetHashCode(); |
| } |
| } |
| } |
| /Geodesics/GeodesicExtensions.cs |
|---|
| @@ -0,0 +1,37 @@ |
|---|
| /////////////////////////////////////////////////////////////////////////// |
| // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 // |
| // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
| // rights of fair usage, the disclaimer and warranty conditions. // |
| /////////////////////////////////////////////////////////////////////////// |
| |
| using System; |
| |
| namespace wasSharp.Geo |
| { |
| public static class GeodesicExtensions |
| { |
| public static Distance HaversineDistanceTo(this GeographicCoordinate sourceGeographicCoordinate, |
| GeographicCoordinate targetGeographicCoordinate) |
| { |
| return HaversineDistanceTo(sourceGeographicCoordinate, targetGeographicCoordinate, DistanceUnits.KILOMETERS); |
| } |
| |
| public static Distance HaversineDistanceTo(this GeographicCoordinate sourceGeographicCoordinate, |
| GeographicCoordinate targetGeographicCoordinate, |
| DistanceUnits distanceUnits) |
| { |
| var sourcePhi = Math.PI * sourceGeographicCoordinate.Latitude / 180; |
| var targetPhi = Math.PI * targetGeographicCoordinate.Latitude / 180; |
| var deltaPhi = Math.PI * (targetPhi - sourcePhi) / 180; |
| var deltaLam = Math.PI * (targetGeographicCoordinate.Longitude - sourceGeographicCoordinate.Longitude) / 180; |
| |
| var a = Math.Sin(deltaPhi / 2) * Math.Sin(deltaPhi / 2) + |
| Math.Cos(sourcePhi) * Math.Cos(targetPhi) * |
| Math.Sin(deltaLam / 2) * Math.Sin(deltaLam / 2); |
| |
| var c = 2 * Math.Atan2(Math.Sqrt(a), Math.Sqrt(1 - a)); |
| |
| return new Distance(Constants.EARTH_MEAN_RADIUS.Meters * c); |
| } |
| } |
| } |
| /Geodesics/GeographicCoordinate.cs |
|---|
| @@ -0,0 +1,21 @@ |
|---|
| /////////////////////////////////////////////////////////////////////////// |
| // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 // |
| // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
| // rights of fair usage, the disclaimer and warranty conditions. // |
| /////////////////////////////////////////////////////////////////////////// |
| |
| namespace wasSharp.Geo |
| { |
| public class GeographicCoordinate |
| { |
| public GeographicCoordinate(double latitude, double longitude) |
| { |
| Latitude = latitude; |
| Longitude = longitude; |
| } |
| |
| public double Latitude { get; } |
| |
| public double Longitude { get; } |
| } |
| } |
| /wasSharp.csproj |
|---|
| @@ -51,10 +51,10 @@ |
|---|
| <Compile Include="Cryptography.cs" /> |
| <Compile Include="CSV.cs" /> |
| <Compile Include="Extensions.cs" /> |
| <Compile Include="Geo\Constants.cs" /> |
| <Compile Include="Geo\Distance.cs" /> |
| <Compile Include="Geo\GeodesicExtensions.cs" /> |
| <Compile Include="Geo\GeographicCoordinate.cs" /> |
| <Compile Include="Geodesics\Constants.cs" /> |
| <Compile Include="Geodesics\Distance.cs" /> |
| <Compile Include="Geodesics\GeodesicExtensions.cs" /> |
| <Compile Include="Geodesics\GeographicCoordinate.cs" /> |
| <Compile Include="NetHash.cs" /> |
| <Compile Include="IO.cs" /> |
| <Compile Include="KeyValue.cs" /> |
