HOW TO

Convert Digital Topographic Data (DTOP) data to coverage.

Last Published: October 1, 2025

Summary

Digital Topographic Data (DTOP) produced by the National Imagery and Mapping Agency (NIMA) is organized in the Vector Product Format (VPF). DTOP data can be converted to ArcInfo coverage format using the VPFIMPORT command.

Procedure



The specifications for this data format, as well as other Military Specification formats, can be obtained at the NIMA Geospatial Standards and Specifications Web site.

Article ID: 000004109

Software:
  • Legacy Products

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