private void EnableBasemapFetching(string tileServerName, string tileServerUrl)
{
ProjectionInfo webMerc = KnownCoordinateSystems.Projected.World.WebMercator;
// Zoom out as much as possible if there are no other layers.
//reproject any existing layer in non-webMercator projection.
//if (App.Map.Layers.Count == 0 || App.Map.Projection != webMerc)
if (App.Map.Layers.Count == 0)
{
ForceMaxExtentZoom();
}
else if (!App.Map.Projection.Equals(webMerc))
{
//get original view extents
App.ProgressHandler.Progress(String.Empty, 0, "Reprojecting Map Layers...");
double[] viewExtentXY = new[] { App.Map.ViewExtents.MinX, App.Map.ViewExtents.MinY, App.Map.ViewExtents.MaxX, App.Map.ViewExtents.MaxY };
double[] viewExtentZ = new[] { 0.0, 0.0 };
//reproject view extents
Reproject.ReprojectPoints(viewExtentXY, viewExtentZ, App.Map.Projection, webMerc, 0, 2);
//set the new map extents
App.Map.ViewExtents = new Extent(viewExtentXY);
//if projection is not WebMercator - reproject all layers:
MapFrameProjectionHelper.ReprojectMapFrame(App.Map.MapFrame, webMerc.ToEsriString());
App.ProgressHandler.Progress(String.Empty, 0, "Loading Basemap...");
}
// Special case for WMS
if (tileServerName.Equals(Properties.Resources.WMSMap, StringComparison.InvariantCultureIgnoreCase))
{
using (var wmsDialog = new WMSServerParameters())
{
if (wmsDialog.ShowDialog() != DialogResult.OK)
{
return;
}
_tileManager.WmsServerInfo = wmsDialog.WmsServerInfo;
}
}
// Other is a custom service
if (tileServerName.Equals(Other, StringComparison.InvariantCultureIgnoreCase))
{
tileServerUrl = Interaction.InputBox("Please provide the Url for the service.",
DefaultResponse: "http://tiles.virtualearth.net/tiles/h{key}.jpeg?g=461&mkt=en-us&n=z");
// Let the user cancel...
if (String.IsNullOrWhiteSpace(tileServerUrl))
{
return;
}
}
EnableBasemapLayer();
_tileManager.ChangeService(tileServerName, tileServerUrl);
if (_bw.IsBusy != true)
{
_bw.RunWorkerAsync();
}
}