public static void LongLatToPixelXY(double longitude, double latitude, double levelOfDetail, out double pixelX, out double pixelY)
{
latitude = VirtualEarthTileSystem.Clip(latitude, -85.05112878, 85.05112878);
longitude = VirtualEarthTileSystem.Clip(longitude, -180.0, 180.0);
double num = (longitude + 180.0) / 360.0;
double num2 = Math.Sin(latitude * 3.1415926535897931 / 180.0);
double num3 = 0.5 - Math.Log((1.0 + num2) / (1.0 - num2)) / 12.566370614359172;
uint num4 = VirtualEarthTileSystem.MapSize(levelOfDetail);
pixelX = VirtualEarthTileSystem.Clip(num * (double)num4 + 0.5, 0.0, (double)(num4 - 1));
pixelY = VirtualEarthTileSystem.Clip(num3 * (double)num4 + 0.5, 0.0, (double)(num4 - 1));
}
public bool QueryVirtualEarthService(bool asyncQuery)
{
if (!string.IsNullOrEmpty(this.Common.MapCore.TileServerAppId) && !(this.Common.MapCore.TileServerAppId.ToUpper(CultureInfo.InvariantCulture) == "(DEFAULT)"))
{
try
{
ImageryMetadataRequest imageryMetadataRequest = new ImageryMetadataRequest();
imageryMetadataRequest.BingMapsKey = base.common.MapCore.TileServerAppId;
imageryMetadataRequest.ImagerySet = VirtualEarthTileSystem.TileSystemToMapStyle(this.TileSystem);
imageryMetadataRequest.IncludeImageryProviders = true;
imageryMetadataRequest.UseHTTPS = true;
ImageryMetadataRequest imageryRequest = imageryMetadataRequest;
if (asyncQuery)
{
BingMapsService.GetImageryMetadataAsync(imageryRequest, this.ProcessImageryMetadataResponse, delegate(Exception ex)
{
lock (this.TileError)
{
this.TileError = ex.Message;
}
});
}
else
{
Response imageryMetadata = BingMapsService.GetImageryMetadata(imageryRequest);
this.ProcessImageryMetadataResponse(imageryMetadata);
}
}
catch (Exception ex2)
{
lock (this.TileError)
{
this.TileError = ex2.Message;
}
return(false);
}
return(true);
}
lock (this.TileError)
{
this.TileError = SR.ProvideBingMapsAppID;
}
return(false);
}
public string GetAttributionStrings()
{
if (this.TileImageryProviders == null)
{
return(string.Empty);
}
StringBuilder stringBuilder = new StringBuilder();
RectangleF rectangleF = new RectangleF(this.Common.MapCore.Viewport.GetAbsoluteLocation(), this.Common.MapCore.Viewport.GetAbsoluteSize());
MapPoint minimumPoint = this.Common.MapCore.PixelsToGeographic(new PointF(rectangleF.Left, rectangleF.Bottom));
MapPoint maximumPoint = this.Common.MapCore.PixelsToGeographic(new PointF(rectangleF.Right, rectangleF.Top));
MapBounds a = new MapBounds(minimumPoint, maximumPoint);
int num = Math.Max((int)VirtualEarthTileSystem.LevelOfDetail(this.Common.MapCore.Viewport.GetGroundResolutionAtEquator()), 1);
ImageryProvider[] array = this.TileImageryProviders;
foreach (ImageryProvider imageryProvider in array)
{
CoverageArea[] coverageAreas = imageryProvider.CoverageAreas;
foreach (CoverageArea coverageArea in coverageAreas)
{
if (num >= coverageArea.ZoomMin && num <= coverageArea.ZoomMax)
{
MapBounds b = new MapBounds(new MapPoint(coverageArea.BoundingBox[1], coverageArea.BoundingBox[1]), new MapPoint(coverageArea.BoundingBox[3], coverageArea.BoundingBox[3]));
if (MapBounds.Intersect(a, b))
{
if (stringBuilder.Length > 0)
{
stringBuilder.Append("|");
}
stringBuilder.Append(imageryProvider.Attribution);
break;
}
}
}
}
return(stringBuilder.ToString());
}
public static double MapScale(double latitude, int levelOfDetail, int screenDpi)
{
return(VirtualEarthTileSystem.GroundResolution(latitude, levelOfDetail) * (double)screenDpi / 0.0254);
}
public static double GroundResolution(double latitude, int levelOfDetail)
{
latitude = VirtualEarthTileSystem.Clip(latitude, -85.05112878, 85.05112878);
return(Math.Cos(latitude * 3.1415926535897931 / 180.0) * 2.0 * 3.1415926535897931 * 6378137.0 / (double)VirtualEarthTileSystem.MapSize(levelOfDetail));
}