IGDS: Interactive Graphics Design Software (Intergraph)
IGES: International Graphics Exchange Specification
IHS: Intensity, Hue, Saturation ...
IGDS
Interactive Graphics Design System (software); Intergraph Design Software
IGEBU ...
Most of the geographies, including the FSA and census boundaries, as well as MPSI's proprietary modelling boundaries were initially digitized on mini-computer drafting software (IGDS, Intergraph Corporation, Huntsville, Alabama).
The first interactive CAD system, Intergraph Graphics Design System (IGDS) quickly became an industry benchmark, and the basis for the MicroStation file format, the PC-based CAD product owned by Bentley Systems, of which Intergraph was a part-owner.
AutoCad CWG (specify how attribute data is addressed)
Intergraph IGDS (specify how attribute data is addressed)
USGS DLG and DEM
TIGER Line Files
ArcInfo Export Files
Exchange data with KVS Computer Assisted Mass Appraisal (CAMA) System ...
 See also: Window, Software, Information, Digital, Interface
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