Ejemplo n.º 1
0
        public static double Bearing(double lat1, double long1, double lat2, double long2)
        {
            lat1  = Geodesy.DegToRad(lat1);
            long1 = Geodesy.DegToRad(long1);
            lat2  = Geodesy.DegToRad(lat2);
            long2 = Geodesy.DegToRad(long2);
            double num = long2 - long1;

            return(Geodesy.ConvertToBearing(Geodesy.RadToDeg(Math.Atan2(Math.Sin(num) * Math.Cos(lat2), Math.Cos(lat1) * Math.Sin(lat2) - Math.Sin(lat1) * Math.Cos(lat2) * Math.Cos(num)))));
        }
Ejemplo n.º 2
0
 public static void UpdatePosition(int idx)
 {
     try
     {
         int count = pts2.Count;
         if (count > 0 && idx <= count - 1)
         {
             string[] strArrays = Pos[idx].Split(new char[] { ';' });
             if (!strArrays[0].ToUpper().StartsWith("N"))
             {
                 strArrays[0] = string.Concat("-", strArrays[0].Substring(1));
             }
             else
             {
                 strArrays[0] = strArrays[0].Substring(1);
             }
             if (!strArrays[1].ToUpper().StartsWith("W"))
             {
                 strArrays[1] = strArrays[1].Substring(1);
             }
             else
             {
                 strArrays[1] = string.Concat("-", strArrays[1].Substring(1));
             }
             if (idx > 2)
             {
                 string[] strArrays1 = Pos[idx - 1].Split(new char[] { ';' });
                 if (!strArrays1[0].ToUpper().StartsWith("N"))
                 {
                     strArrays1[0] = string.Concat("-", strArrays1[0].Substring(1));
                 }
                 else
                 {
                     strArrays1[0] = strArrays1[0].Substring(1);
                 }
                 if (!strArrays1[1].ToUpper().StartsWith("W"))
                 {
                     strArrays1[1] = strArrays1[1].Substring(1);
                 }
                 else
                 {
                     strArrays1[1] = string.Concat("-", strArrays1[1].Substring(1));
                 }
                 LastLat = Convert.ToDouble(strArrays1[0]);
                 LastLng = Convert.ToDouble(strArrays1[1]);
                 if (LastLat != 0 && LastLng != 0)
                 {
                     double num  = CalcDist(new PointLatLng(LastLat, LastLng), new PointLatLng(Convert.ToDouble(strArrays[0]), Convert.ToDouble(strArrays[1])));
                     double num1 = num * 5280 * 0.681818 * 0.621371;
                     CompassBearing = (int)Geodesy.Bearing(LastLat, LastLng, Convert.ToDouble(strArrays[0]), Convert.ToDouble(strArrays[1]));
                     compass.SetData((int)num1, CompassBearing);
                 }
             }
             PointLatLng pointLatLng = new PointLatLng(Convert.ToDouble(strArrays[0]), Convert.ToDouble(strArrays[1]));
             mainMap.Overlays.Clear();
             Markers.Markers.Clear();
             GMapMarker gMapMarkerGoogleGreen = new GMapMarkerGoogleGreen(mainMap.Position);
             Markers.Markers.Add(gMapMarkerGoogleGreen);
             mainMap.Overlays.Add(Markers);
             mainMap.Position = pointLatLng;
         }
     }
     catch (Exception exception)
     {
     }
 }