daoas/fulddaekning/GeoPoint.java

package dk.daoas.fulddaekning;

public class GeoPoint {
        
        public double latitude;
        public double longitude;
        
        public GeoPoint() { //Default
        }
        
        public GeoPoint(double lat, double lng) { //Default
                latitude=lat;
                longitude=lng;
        }
        
        public static double beregnAfstand(GeoPoint point1, GeoPoint point2) {          
                //(62.8*sqrt(3.1*(Power(a.Latitude-x.Latitude,2)+Power(a.Longitude-x.Longitude,2)))) as Afstand,
                
                
                double pwrLat = Math.pow(point1.latitude  - point2.latitude, 2);
                double pwrLng = Math.pow(point1.longitude - point2.longitude, 2);
                
                return 62.8 * Math.sqrt( 3.1 * (pwrLat + pwrLng) );             
        }       
        
        
        //Latitude (horizonal), longitude(vertical) so
        // 1 degree latitude is ~ 111320 meters, since the distance between the horizonal lines is always the same 
        // 1 degree longitude is ~111320 meters at equator but gets shorter as we get closer to the poles.
        // so 1 degree longitude is 64.5 km at denmarks southern point (gedser=54.55,11.95)
        // and is 59.4km at northern point (skagen = 57.75,10.65)
        
        public static double kmToLatitude(double km) {
                return km / 111.320 ;
        }
        
        public static double kmToLongitude( double km) {//denne er kun ca
                return km / 62.0;
        }
}
1	torben	2211	package dk.daoas.fulddaekning;
2
3			public class GeoPoint {
4
5			public double latitude;
6			public double longitude;
7
8			public GeoPoint() { //Default
9			}
10
11			public GeoPoint(double lat, double lng) { //Default
12			latitude=lat;
13			longitude=lng;
14			}
15
16			public static double beregnAfstand(GeoPoint point1, GeoPoint point2) {
17			//(62.8sqrt(3.1(Power(a.Latitude-x.Latitude,2)+Power(a.Longitude-x.Longitude,2)))) as Afstand,
18
19
20			double pwrLat = Math.pow(point1.latitude - point2.latitude, 2);
21			double pwrLng = Math.pow(point1.longitude - point2.longitude, 2);
22
23			return 62.8 * Math.sqrt( 3.1 * (pwrLat + pwrLng) );
24			}
25	torben	2222
26
27			//Latitude (horizonal), longitude(vertical) so
28			// 1 degree latitude is ~ 111320 meters, since the distance between the horizonal lines is always the same
29			// 1 degree longitude is ~111320 meters at equator but gets shorter as we get closer to the poles.
30			// so 1 degree longitude is 64.5 km at denmarks southern point (gedser=54.55,11.95)
31			// and is 59.4km at northern point (skagen = 57.75,10.65)
32
33			public static double kmToLatitude(double km) {
34			return km / 111.320 ;
35			}
36
37			public static double kmToLongitude( double km) {//denne er kun ca
38			return km / 62.0;
39			}
40	torben	2211	}