VPF Reader Quick Facts
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.