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Bentley MicroStation Design Quick Facts

About Quick Facts Tables

Format Type Identifier

IGDS/DGNV8

Reader/Writer

Version 7: Both

Version 8: Both

Licensing Level

Base

Dependencies

None

Dataset Type

File

Feature Type

Level number

Typical File Extensions

.dgn

Automated Translation Support

Yes

User-Defined Attributes

No

Coordinate System Support

No

Generic Color Support

Yes

Spatial Index

Never

Schema Required

No

Transaction Support

No

Encoding Support

Version 7: No

Version 8: Yes (Attribute Values)

See also: Text Strings

Geometry Type Attribute

igds_type

Design File Geometry Support

Geometry

Supported?

aggregate

no

circles

yes

circular arc

yes

donut polygon

yes

elliptical arc

yes

ellipses

yes

line

yes

none

no

point

yes

polygon

yes

raster

no

solid

yes

surface

no

text

yes

z values

yes