public ScreenRectangle(CoordinatePoligon coordinatePoligon, int level)
{
for (var i = 0; i < coordinatePoligon.Count; i++)
{
var pt = new ScreenCoordinate(coordinatePoligon.Coordinates[i], level);
if (i == 0)
{
Left = pt.X;
Right = pt.X;
Top = pt.Y;
Bottom = pt.Y;
}
else
{
if (pt.X < Left)
{
Left = pt.X;
}
if (pt.X > Right)
{
Right = pt.X;
}
if (pt.Y < Top)
{
Top = pt.Y;
}
if (pt.Y > Bottom)
{
Bottom = pt.Y;
}
}
}
Level = level;
}
public static ScreenCoordinate operator +(ScreenCoordinate Tile, ScreenCoordinate addon)
{
if (Tile.Level != addon.Level)
{
addon = new ScreenCoordinate(addon, Tile.Level);
}
return(new ScreenCoordinate(Tile.X + addon.X, Tile.Y + addon.Y, Tile.Level));
}
/// <summary>
/// Translate Y coordinate of the Tile level bitmap to latitude
/// </summary>
public static double GetLatitude(ScreenCoordinate Tile)
{
const double r2D = 180 / Math.PI;
const double p2 = Math.PI / 2;
var z = (Tile.Y - BitmapOrigo(Tile.Level)) / (-1 * PixelsPerRadian(Tile.Level));
return(Math.Round((2 * Math.Atan(Math.Exp(z)) - p2) * r2D, 5));
}
public ScreenRectangle(CoordinateRectangle coordinateRect, int level)
{
var pLeftTop = new ScreenCoordinate(coordinateRect.LeftTop, level);
var pRightBottom = new ScreenCoordinate(coordinateRect.RightBottom, level);
Left = pLeftTop.X;
Top = pLeftTop.Y;
Right = pRightBottom.X;
Bottom = pRightBottom.Y;
Level = level;
}
public ScreenRectangle(ScreenCoordinate pLeftTop, ScreenCoordinate pRightBottom)
{
if (pRightBottom.Level != pLeftTop.Level)
{
pRightBottom = new ScreenCoordinate(pRightBottom, pLeftTop.Level);
}
Left = pLeftTop.X;
Top = pLeftTop.Y;
Right = pRightBottom.X;
Bottom = pRightBottom.Y;
Level = pLeftTop.Level;
}
/// <summary>
/// Translate X coordinate of the Tile level bitmap to longitude
/// </summary>
public static double GetLongitude(ScreenCoordinate Tile)
{
return(Math.Round((Tile.X - BitmapOrigo(Tile.Level)) / PixelsPerDegree(Tile.Level), 5));
}
