/// <summary>
/// gets all tiles in rect at specific zoom
/// </summary>
public List <GPoint> GetAreaTileList(RectLatLng rect, int zoom, int padding)
{
List <GPoint> ret = new List <GPoint>();
GPoint topLeft = FromPixelToTileXY(FromLatLngToPixel(rect.LocationTopLeft, zoom));
GPoint rightBottom = FromPixelToTileXY(FromLatLngToPixel(rect.LocationRightBottom, zoom));
for (long x = (topLeft.X - padding); x <= (rightBottom.X + padding); x++)
{
for (long y = (topLeft.Y - padding); y <= (rightBottom.Y + padding); y++)
{
GPoint p = new GPoint(x, y);
if (!ret.Contains(p) && p.X >= 0 && p.Y >= 0)
{
ret.Add(p);
}
}
}
return(ret);
}