VPF Reader Quick Facts

About Quick Facts Tables

Format Type Identifier

VPF, VPF_DB (see note below)

Reader/Writer

Reader

Licensing Level

Professional and above

Dependencies

None

Dataset Type

Folder or File

Feature Type

Feature class name

Metadata table name

Typical File Extensions

*.*ft, dht (see note below)

Automated Translation Support

Yes

User-Defined Attributes

Yes

Coordinate System Support

No

Generic Color Support

No

Spatial Index

None

Schema Required

Not applicable

Transaction Support

No

Geometry Type

vpf_type

Encoding Support No

VPF Reader Geometry Support

Geometry

Supported?

aggregate

no

circles

no

circular arc

no

donut polygon

yes

elliptical arc

no

ellipses

no

line

yes

none

no

point

yes

polygon

yes

raster

 

solid

no

surface

no

text

yes

z values

no

Note: The VPF reader can read a VPF dataset from the database level or the coverage level. The keyword VPF invokes the reader in the coverage mode; the keyword VPF_DB invokes the reader in database mode. The typical file extension for the reader in coverage mode is *.*ft, and the typical file extension for the reader in database mode is dht.