Glossary for Geospatial Science

  Technical vocabulary defined by MicroImages

book Glossary

DCW: Digital Chart of the World was the first digital 1:1,000,000  map of the world in VPF format.  This data can be downloaded from the NGA website.  This original product has been replaced by the more detailed VMap0 and VMap1 data sets, which are also available for download from NGA.