136 lines
4.1 KiB
C#
136 lines
4.1 KiB
C#
using System;
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using System.ComponentModel;
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namespace CoordinateSharp {
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/// <summary>
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/// Cartesian (X, Y, Z) Coordinate
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/// </summary>
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[Serializable]
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public class Cartesian : INotifyPropertyChanged {
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/// <summary>
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/// Create a Cartesian Object
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/// </summary>
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/// <param name="c"></param>
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public Cartesian(Coordinate c) {
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//formulas:
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this.x = Math.Cos(c.Latitude.ToRadians()) * Math.Cos(c.Longitude.ToRadians());
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this.y = Math.Cos(c.Latitude.ToRadians()) * Math.Sin(c.Longitude.ToRadians());
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this.z = Math.Sin(c.Latitude.ToRadians());
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}
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/// <summary>
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/// Create a Cartesian Object
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/// </summary>
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/// <param name="xc">X</param>
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/// <param name="yc">Y</param>
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/// <param name="zc">Z</param>
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public Cartesian(Double xc, Double yc, Double zc) {
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//formulas:
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this.x = xc;
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this.y = yc;
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this.z = zc;
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}
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/// <summary>
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/// Updates Cartesian Values
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/// </summary>
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/// <param name="c"></param>
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public void ToCartesian(Coordinate c) {
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this.x = Math.Cos(c.Latitude.ToRadians()) * Math.Cos(c.Longitude.ToRadians());
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this.y = Math.Cos(c.Latitude.ToRadians()) * Math.Sin(c.Longitude.ToRadians());
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this.z = Math.Sin(c.Latitude.ToRadians());
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}
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private Double x;
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private Double y;
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private Double z;
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/// <summary>
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/// X Coordinate
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/// </summary>
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public Double X {
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get => this.x;
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set {
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if (this.x != value) {
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this.x = value;
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this.NotifyPropertyChanged("X");
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}
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}
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}
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/// <summary>
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/// y Coordinate
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/// </summary>
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public Double Y {
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get => this.y;
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set {
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if (this.y != value) {
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this.y = value;
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this.NotifyPropertyChanged("Y");
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}
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}
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}
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/// <summary>
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/// Z Coordinate
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/// </summary>
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public Double Z {
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get => this.z;
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set {
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if (this.z != value) {
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this.z = value;
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this.NotifyPropertyChanged("Z");
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}
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}
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}
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/// <summary>
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/// Returns a Lat Long Coordinate object based on the provided Cartesian Coordinate
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/// </summary>
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/// <param name="x">X</param>
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/// <param name="y">Y</param>
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/// <param name="z">Z</param>
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/// <returns></returns>
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public static Coordinate CartesianToLatLong(Double x, Double y, Double z) {
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Double lon = Math.Atan2(y, x);
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Double hyp = Math.Sqrt(x * x + y * y);
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Double lat = Math.Atan2(z, hyp);
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Double Lat = lat * (180 / Math.PI);
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Double Lon = lon * (180 / Math.PI);
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return new Coordinate(Lat, Lon);
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}
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/// <summary>
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/// Returns a Lat Long Coordinate object based on the provided Cartesian Coordinate
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/// </summary>
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/// <param name="cart">Cartesian Coordinate</param>
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/// <returns></returns>
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public static Coordinate CartesianToLatLong(Cartesian cart) {
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Double x = cart.X;
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Double y = cart.Y;
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Double z = cart.Z;
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Double lon = Math.Atan2(y, x);
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Double hyp = Math.Sqrt(x * x + y * y);
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Double lat = Math.Atan2(z, hyp);
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Double Lat = lat * (180 / Math.PI);
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Double Lon = lon * (180 / Math.PI);
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return new Coordinate(Lat, Lon);
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}
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/// <summary>
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/// Cartesian Default String Format
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/// </summary>
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/// <returns>Cartesian Formatted Coordinate String</returns>
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/// <returns>Values rounded to the 8th place</returns>
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public override String ToString() => Math.Round(this.x, 8).ToString() + " " + Math.Round(this.y, 8).ToString() + " " + Math.Round(this.z, 8).ToString();
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/// <summary>
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/// Property changed event
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/// </summary>
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public event PropertyChangedEventHandler PropertyChanged;
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/// <summary>
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/// Notify property changed
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/// </summary>
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/// <param name="propName">Property name</param>
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public void NotifyPropertyChanged(String propName) {
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if (this.PropertyChanged != null) {
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PropertyChanged(this, new PropertyChangedEventArgs(propName));
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}
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}
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}
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}
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