Department of Veterans Affairs
National Cemetery System
FILE TYPE
EXTENSION
Design
.dgn
Cell Libraries.
.cel
Pen and Color Table
.tbl
Cell Index
.cdx
User Command
.ucm
User Command Index
.ndx
Data File
.dat
ASCII Text File
.txt
B. Tables
The use of color tables for displaying information is platform dependent.
Color tables are significant when translating graphics between Intergraph
and non-Intergraph systems. Default color tables are to be used on all
design files created for NCS.
C. Libraries
Specific libraries created for a project, shall be included in the CADD
deliverable product. However, all design files shall incorporate as much of
the custom library as possible, so as to minimize the access of the library for
CADD design drawing display.
III. Graphic Concepts
This section contains a brief overview of the characteristics of NCS CADD
system design files and their uses. Whenever possible, the Department of
Veterans Affairs will provide the contractor with electronic libraries for each
project. Each will contain the appropriate standard graphic elements,
standard details and VA border/drawing sheets.
There are primarily two CADD graphic format types in use for architectural
and engineering applications; 1) raster graphics; and 2) vector graphics.
NCS CADD Standards Manual
August 1995
5
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