USGS DEM Quick Facts

About Quick Facts Tables

Format Type Identifier

USGS_DEM

Reader/Writer

Both

Licensing Level

Professional and above

Dependencies

None

Dataset Type

Reader: File

Writer: Folder

Feature Type

“USGS_DEM”, “Vertical”, “Stats”

Typical File Extensions

.dem

Automated Translation Support

Yes

User-Defined Attributes

Through TAB files

Coordinate System Support

Yes

Generic Color Support

No

Spatial Index

Not applicable

Schema Required

No

Transaction Support

No

Encoding Support

No

Geometry Type

dem_type

 

Geometry Support

Geometry

Supported?

 

Geometry

Supported?

aggregate

no

 

point

reader only

circles

no

 

polygon

no

circular arc

no

 

raster

yes

donut polygon

no

 

solid

no

elliptical arc

no

 

surface

no

ellipses

no

 

text

no

line

no

 

z values

no

none

no

 

 

 

 

Band Interpretations

Int32, Real64

Palette Key Interpretations

not applicable

Palette Value Interpretations

not applicable

Nodata Value

-32767

Cell Origin (x, y)

0.5, 0.5

Rotation Support

No

GCP Support

Through TAB files

World File Support

No

TAB File Support

Yes