Available Summer 2009
DeLorme World Base Map

The DeLorme World Base Map is a complete global data set with horizontal accuracy of +/- 50 meters. DeLorme has applied a rich cartographic look and feel to create a seamless view of the world, combining accurate object placement and projection with a compelling topographic visualization of the Earth. The data has a consistent level of detail and reliable horizontal accuracy for all features worldwide. Comparisons of the DBM to competitor data, especially in developing regions, prove the advantages of the DBM in currency, positional accuracy, and level of detail.
The DeLorme World Base Map is topological, routable, and GPS-navigable. It accurately portrays major transportation layers, inland and shoreline hydrography, agreed and disputed jurisdiction boundaries, and major geographic features. The DBM uses the Shuttle Radar Terrain Model to display digital elevation and create 3-D models.
Transportation Layers
Extensive GPS-Navigable Road Network
  • Roads
    • » Highways
    • » Connectors
    • » Local Roads
  • Railroads
    • » Active
    • » Abandoned
  • Airports, runways
Topographic Layers
  • Hydrography–linear and polygonal
    • » Perennial
    • » Intermittent
  • Shoreline
  • Urban Areas
  • Land Use/Land Cover
    • » Wetlands
    • » Dry salt flats
    • » Perennial snowfields
    • » Forest combined
  • Elevation Data
    • » Spot elevation
    • » Gridded elevation
  • Boundaries
    • » International and regional
    • » Disputed
Points of Interest (POIs)
  • Populated placenames
  • Geographic feature names
  • Hydrographic point labels

Data Formats
  • DeLorme XMap
  • ESRI: shapefile, personal geodatabase, file geodatabase
Data Projections
  • DeLorme Equirectangular (available in XMap only)
  • Universal Transverse Mercator
  • National Grid
  • Military Grid Reference System
  • WGS Lat/Long
Datum
  • NAD 27
  • NAD 83
  • WGS84
 
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