internal static LatLonZoom DefaultReferenceMapPosition(SourceMap sourceMap,
MapTileSourceFactory mapTileSourceFactory, ViewControlIfc viewControl, DefaultReferenceView drv)
{
if (sourceMap.ReadyToLock())
{
try
{
ViewerControlIfc sMViewerControl = viewControl.GetSMViewerControl();
MapRectangle bounds = sMViewerControl.GetBounds();
WarpedMapTileSource warpedMapTileSource = mapTileSourceFactory.CreateWarpedSource(sourceMap);
IPointTransformer sourceToDestLatLonTransformer =
warpedMapTileSource.GetSourceToDestLatLonTransformer();
MapRectangle mapRectangle = bounds.Transform(sourceToDestLatLonTransformer);
mapRectangle = mapRectangle.ClipTo(new MapRectangle(-180.0, -360.0, 180.0, 360.0));
return(viewControl.GetVEViewerControl().GetCoordinateSystem()
.GetBestViewContaining(mapRectangle, sMViewerControl.Size));
}
catch (CorrespondencesAreSingularException)
{
}
catch (InsufficientCorrespondencesException)
{
}
}
if (drv != null && drv.present)
{
return(drv.llz);
}
return(viewControl.GetVEViewerControl().GetCoordinateSystem().GetDefaultView());
}
public MapRectangle GetUserBoundingBox(MapTileSourceFactory mapTileSourceFactory)
{
WarpedMapTileSource warpedMapTileSource = null;
try
{
warpedMapTileSource = mapTileSourceFactory.CreateWarpedSource(this);
}
catch (InsufficientCorrespondencesException)
{
}
if (warpedMapTileSource == null)
{
return(null);
}
Present present = warpedMapTileSource.GetUserBounds(null, FutureFeatures.Cached).Realize("SourceMap.AutoSelectMaxZoom");
if (!(present is BoundsPresent))
{
return(null);
}
BoundsPresent boundsPresent = (BoundsPresent)present;
MapRectangle boundingBox = boundsPresent.GetRenderRegion().GetBoundingBox();
return(boundingBox.ClipTo(CoordinateSystemUtilities.GetRangeAsMapRectangle(MercatorCoordinateSystem.theInstance)));
}
