public static int GetZoomLevel(BoundingBox mapBoundingBox, double screenWidth, double screenHeight)
{
var scaleX = screenWidth / mapBoundingBox.Width;
var scaleY = screenHeight / mapBoundingBox.Height;
var screenSize = scaleX < scaleY ? screenWidth : screenHeight;
return(WebMercatorUtility.EstimateZoomLevel(Math.Max(mapBoundingBox.Width, mapBoundingBox.Height), 35, screenSize));
}