public void CanCalculateDistanceFromLon()
{
double latCorrection = Math.Cos(lat * (Math.PI / 180));
Assert.AreEqual(0.63, latCorrection, 0.01);
double calcLong = GeoTools.DistanceToLon(lon, lat, 60 * GeoTools.NauticalMile * latCorrection);
Assert.AreEqual(lon + 1, calcLong, 0.01);
}
public TrackCollection(double lat, double lon)
{
this.lat = lat;
this.lon = lon;
leftTopLat = GeoTools.DistanceToLat(lat, -MapSize / 2);
leftTopLon = GeoTools.DistanceToLon(lon, lat, -MapSize / 2);
rightBottomLat = GeoTools.DistanceToLat(lat, MapSize / 2);
rightBottomLon = GeoTools.DistanceToLon(lon, lat, MapSize / 2);
}
public void CanCalculateLonDistance()
{
double latCorrection = Math.Cos(lat * (Math.PI / 180));
double dist = GeoTools.LonDistance(lon - 1, lon, lat);
Assert.AreEqual(GeoTools.NauticalMile * -60 * latCorrection, dist);
double leftTopLon = GeoTools.DistanceToLon(lon, lat, -MapSize / 2);
dist = GeoTools.LonDistance(leftTopLon, lon, lat);
Assert.AreEqual(-MapSize / 2, dist, 0.01);
}
public void CanCalculateDistance()
{
double leftTopLat = GeoTools.DistanceToLat(lat, -MapSize / 2);
double leftTopLon = GeoTools.DistanceToLon(lon, lat, -MapSize / 2);
double rightBottomLat = GeoTools.DistanceToLat(lat, MapSize / 2);
double rightBottomLon = GeoTools.DistanceToLon(lon, lat, MapSize / 2);
double distance = GeoTools.Distance(leftTopLat, leftTopLon, rightBottomLat, rightBottomLon);
double mapHypothenysa = Math.Sqrt(2 * Math.Pow(MapSize, 2));
Assert.AreEqual(24437.61f, mapHypothenysa, 0.01);
Assert.AreEqual(distance, mapHypothenysa, 0.1);
}