public PointD GetMercatorCoordinate(PointD LatitudeLongitudePoint)
{
double mx = LatitudeLongitudePoint.X * OriginShift / 180;
double my = Math.Log(Math.Tan((90 + LatitudeLongitudePoint.Y) * Math.PI / 360)) / (Math.PI / 180);
my = my * OriginShift / 180;
PointD mercatorPoint = new PointD(mx, my);
return mercatorPoint;
}
public Point GetPixels(PointD MercatorPoint, Int32 Zoom)
{
double res = Resolution(Zoom);
Int32 px = (int)((MercatorPoint.X + OriginShift) / res);
Int32 py = (int)((MercatorPoint.Y + OriginShift) / res);
Point p = new Point(px, py);
return p;
}
public Point GetBitmapCoord(PointD mercatorPoint, Int32 zoom)
{
Double res = Resolution(zoom);
Int32 x = Convert.ToInt32((mercatorPoint.X + OriginShift) / res);
Int32 y = Convert.ToInt32((mercatorPoint.Y + OriginShift) / res);
Point p = new Point(x, y);
return p;
}
public Point GetTile(PointD mercatorPoint, Int32 zoom)
{
Point pix = GetPixels(mercatorPoint, zoom);
return GetTile(pix);
}
public void LatLonToMercatorY()
{
PointD expected = new PointD(15926263.117, -4643725.484);
Assert.AreEqual(expected.Y, Math.Round(mercatorPoint.Y,3));
}
public void init()
{
globalMercator = new GlobalMercator();
latitudeLongitudePoint = new PointD(143.068055770704, -38.4537515036619);
mercatorPoint = new PointD(15926263.117, -4643725.484);
}
public void BitmapPointTestY()
{
Point p = new Point(459, 197);
PointD pM = new PointD(15926263.117, -4643725.484);
Assert.AreEqual(p.Y, globalMercator.GetBitmapCoord(pM, 1).Y);
}
public Point GetTile(PointD mercatorPoint, Int32 zoom)
{
Point pix = GetPixels(mercatorPoint, zoom);
return(GetTile(pix));
}