public BoundingBox GetExtent(TiledVectorLayer layer)
{
Point origin = layer.GetOrigin(ZoomLevel);
double resolution = layer.GetResolution(ZoomLevel);
double rminX = origin.X + minX * TiledVectorLayer.TileSize * resolution;
double rmaxX = origin.X + (maxX + 1) * TiledVectorLayer.TileSize * resolution;
double rminY = origin.Y + minY * TiledVectorLayer.TileSize * resolution;
double rmaxY = origin.Y + (maxY + 1) * TiledVectorLayer.TileSize * resolution;
return(new BoundingBox(rminX, rmaxY, rmaxX, rminY));
}
public BoundingBox(Point lowerLeft, Point upperRight)
{
if (lowerLeft.X > upperRight.X)
{
throw new ArgumentException();
}
if (lowerLeft.Y > upperRight.Y)
{
throw new ArgumentException();
}
LowerLeft = lowerLeft;
UpperRight = upperRight;
}
public Edge(Point from, Point to)
{
From = new Coordinate(from.X, from.Y);
To = new Coordinate(to.X, to.Y);
}
public BoundingBox(IEnvelope e)
{
LowerLeft = new Point(e.Left(), e.Bottom());
UpperRight = new Point(e.Right(), e.Top());
}
public Point GetOrigin(int zoomLevel)
{
var origin = new Point(BoundingBox.Left, BoundingBox.Top);
return(origin);
}
