VRT Raster (GDAL Virtual Format) Quick Facts

About Quick Facts Tables

Format Type Identifier

VRT_RASTER

Reader/Writer

Reader

Dependencies

None

Dataset Type

File

Feature Type

Varies: schema is dependent on the source dataset

Typical File Extensions

.vrt

Automated Translation Support

Yes

User-Defined Attributes

Yes

Coordinate System Support

Yes, see Coordinate Systems

Generic Color Support

No

Spatial Index

No

Schema Required

No

Transaction Support

No

Geometry Type

vrt_raster

VRT Raster (GDAL Virtual Format) Geometry Support

Geometry Supported?

aggregate

no

circles

no

circular arc

no

donut polygon

no

elliptical arc

no

ellipses

no

line

no

none

no

point

no

polygon

no

raster

yes

solid

no

surface

no

text

no

z values

yes

VRT Raster (GDAL Virtual Format) Support

Band Interpretations

Red8, Red16, Green8, Green16, Blue8, Blue16, Alpha8, Alpha16, Gray8, Gray16, Int8, UInt8, Int16, UInt16, Int32, UInt32, Real32, Real64

Palette Key Interpretations

UInt8, UInt16, UInt32

Palette Value Interpretations

RGBA32

Nodata Value

Specified per-source in the .vrt file

Cell Origin (x, y)

0.5, 0.5

Rotation Support

No

GCP Support

Yes

World File Support

No

TAB File Support

No (however, underlying formats may support it)