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Add the USGS Dynamic Topo layers from The National Map to augment the scanned raster topographic maps. The Dynamic Topo layers are updated annually for greater that 18K scales and quarterly for less than 18K scales. These maps the represent the current topo products from the USGS.
The USGS has decommissioned the DRG Scanned Raster WMS services. Thus the NASA hosted 24K, 100K and 250K topographic maps are the preferred source for the legacy topographic maps.
The text was updated successfully, but these errors were encountered:
Added two layers from The National Map (TNM), USGS TNM Topo and USGS TNM Topo Large. The USGS TNM Topo layer has world coverage with higher resolutions in the US and its properties. USGS TNM Topo Large is for large scale rendering of US properties and is visible when viewing scales 18K and below.
USGS TNM Topo is updated annually and USGS TNM Topo Large updated quarterly. Clearing the WorldWind cache for these layers will be required to realize any updated content. The layer cache can be cleared with DataCacheViewer (src\gov\nasa\worldwindx\examples\util\cachecleaner\DataCacheViewer.java) or manually by deleting the cache corresponding layer cache folders under the [cacheLocation]/WorldWindData/Earth folder.
Add the USGS Dynamic Topo layers from The National Map to augment the scanned raster topographic maps. The Dynamic Topo layers are updated annually for greater that 18K scales and quarterly for less than 18K scales. These maps the represent the current topo products from the USGS.
The USGS has decommissioned the DRG Scanned Raster WMS services. Thus the NASA hosted 24K, 100K and 250K topographic maps are the preferred source for the legacy topographic maps.
The text was updated successfully, but these errors were encountered: