10/26/2009

NCL/IGES REFERENCE DOCUMENT

http://www.cadfamily.com/downinfo/292250.html
The name IGES is an acronym which stands for the Initial Graphics Exchange
Specification. This standard has been developed to allow the exchange of
geometric and graphic data between dissimilar CAD/CAM systems.
The NCL/IGES converter imports and exports ASCII IGES files. Imported files
are converted to NCL Unibase files and NCL Unibase files are exported to IGES
files.
NCL/IGES is implemented as a subset of the U.S. Department of Commerce
IGES Version 5.0 supporting those entities that allow a direct conversion into NCL
entity types.

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