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Raster Dataset properties

Résumé

The Describe function returns the following properties for raster datasets. The Dataset property group is also supported. Single-band raster datasets also support the Raster Band property group.

For a raster dataset, the Describe dataType property returns a value of "RasterDataset".

Propriétés

Propriété Explication Type de données

bandCount

(Lecture seule)

The number of bands in the raster dataset.

Integer

compressionType

(Lecture seule)

The compression type.

  • CCITT Group 3

  • CCITT Group 4

  • CCITT (1D)

  • DEFLATE

  • Deflate/Inflate

  • JPEG

  • JPEG2000

  • LZW

  • LZ77

  • None

  • PACKBITS

  • RLE

  • VECTOR QUANTIZATION

  • Wavelet (MG2)

  • Wavelet (MG4)

  • YCbCr JPEG

String

format

(Lecture seule)

The raster format.

  • AAIGrid

  • BAG

  • BIL

  • BMP

  • BSQ

  • DTED Level 1

  • DTED Level 2

  • FGDBR

  • FLT

  • GIF

  • GRID

  • GRID Stack 7.x

  • HDF5Image

  • IMAGINE Image

  • JFIF

  • JP2

  • MrSID

  • NITF

  • PNG

  • RPF

  • SDR

  • TIFF

  • TIL

  • USGSDEM

String

permanent

(Lecture seule)

Indicates the permanent state of the raster: False if the raster is temporary and True if the raster is permanent.

Boolean

sensorType

(Lecture seule)

The sensor type used to capture the image.

String

Exemple de code

Raster dataset properties example

The following stand-alone script displays some properties for a raster dataset:

import arcpy

# Create a Describe object from the raster dataset
desc = arcpy.Describe(r"C:\temp\FGDB.gdb\RD")

# Print some raster dataset properties
print("Band Count:       %d" % desc.bandCount)
print("Compression Type: %s" % desc.compressionType)
print("Raster Format:    %s" % desc.format)
print("Permanent:        %s" % desc.permanent)
print("Sensor Type:      %s" % desc.sensorType)