static DistanceTo()
{
riverSpree = new Point[]
{
MapMath.LocationToPoint(52.529198, 13.274099),
MapMath.LocationToPoint(52.531835, 13.29234),
MapMath.LocationToPoint(52.522116, 13.298541),
MapMath.LocationToPoint(52.520569, 13.317349),
MapMath.LocationToPoint(52.524877, 13.322434),
MapMath.LocationToPoint(52.522788, 13.329),
MapMath.LocationToPoint(52.517056, 13.332075),
MapMath.LocationToPoint(52.522514, 13.340743),
MapMath.LocationToPoint(52.517239, 13.356665),
MapMath.LocationToPoint(52.523063, 13.372158),
MapMath.LocationToPoint(52.519198, 13.379453),
MapMath.LocationToPoint(52.522462, 13.392328),
MapMath.LocationToPoint(52.520921, 13.399703),
MapMath.LocationToPoint(52.515333, 13.406054),
MapMath.LocationToPoint(52.514863, 13.416354),
MapMath.LocationToPoint(52.506034, 13.435923),
MapMath.LocationToPoint(52.496473, 13.461587),
MapMath.LocationToPoint(52.487641, 13.483216),
MapMath.LocationToPoint(52.488739, 13.491456),
MapMath.LocationToPoint(52.464011, 13.503386)
};
satellite = new Point[]
{
MapMath.LocationToPoint(52.590117, 13.39915),
MapMath.LocationToPoint(52.437385, 13.553989)
};
}
//
private byte[] BackgroundPaint()
{
byte[] buffer = new byte[256 * 256 * 4];
Parallel.For(0, 256, y =>
{
Parallel.For(0, 256, x =>
{
// Convert the tile's (x,y) coordinates to proper (lat,lon) coordinates and feed them to the distribution function.
int pixelX = tile.X * 256 + x;
int pixelY = tile.Y * 256 + y;
LatLong location = MapMath.PixelToLatLong(pixelX, pixelY, tile.ZoomLevel);
int b = x * 4 + y * 256 * 4;
int g = b + 1;
int r = b + 2;
int a = b + 3;
byte colorG = (byte)(distribution.BrandenburgDensity(location.Latitude, location.Longitude) / distribution.MaxBrandenburg * 255);
byte colorB = (byte)(distribution.RiverDensity(location.Latitude, location.Longitude) / distribution.MaxRiver * 255);
byte colorR = (byte)(distribution.SatelliteDensity(location.Latitude, location.Longitude) / distribution.MaxSatellite * 255);
buffer[b] = colorB;
buffer[g] = colorG;
buffer[r] = colorR;
buffer[a] = 128;
});
});
return(buffer);
}
public static double Brandenburg(double latitude, double longitude)
{
return(DistanceToBrandenburg(MapMath.LocationToPoint(latitude, longitude)));
}
public static double River(double latitude, double longitude)
{
return(DistanceToRiver(MapMath.LocationToPoint(latitude, longitude)));
}
public static double Satellite(double latitude, double longitude)
{
return(DistanceToSatellite(MapMath.LocationToPoint(latitude, longitude)));
}