7/22/08—The USA Topographic Map services, NGS_Topo_US and NGS_Topo_US_2D, were updated to include detailed topo maps for the United States with shaded relief imagery. The updates also include more detailed topo maps for Alaska and Hawaii and improvements to the overall image quality of the topo maps. This update was a full replacement of cache at all scales below 1:2m scale for these services.

 

If you have previously used these services, you may need to clear your globe cache in order to see the updates.

 

How to clear the cache in ArcGIS Explorer:

1. Click Tools > Options.
2. Expand Cache and click Disk Cache.
3. Under Cache Clean Up, select All Caches.
4. Click the Delete Cache button and click Yes to confirm. ArcGIS Explorer will need to restart as part of this process.

How to clear the cache in ArcGlobe:

1. Right-click the service in the ArcGlobe table of contents.
2. Click Refresh. It may take several seconds for the cache to be cleared.