ListRasters (arcpy)

Zusammenfassung

Returns a Python list of the rasters in the workspace, limited by name and raster type.

Diskussion

The workspace environment must be set first before using several of the List functions, including ListDatasets, ListFeatureClasses, ListFiles, ListRasters, ListTables, and ListWorkspaces.

Syntax

ListRasters ({wild_card}, {raster_type})
ParameterErläuterungDatentyp
wild_card

Der Platzhalter schränkt die zurückgegebenen Ergebnisse ein. Wenn kein Platzhalter angegeben wird, werden alle Werte zurückgegeben.

String
raster_type

The raster type to limit the results returned by the wild card argument. Valid raster types are:

  • BMPBitmap graphic raster dataset format.
  • GIFGraphic Interchange Format for raster datasets.
  • IMG ERDAS IMAGINE raster data format.
  • JP2JPEG 2000 raster dataset format.
  • JPGJoint Photographics Experts Group raster dataset format.
  • PNG Portable Network Graphics raster dataset format.
  • TIFFTagged Image File Format for raster datasets.
  • GRID GRID data format.
  • AllAll supported raster types are returned. This is the default.

(Der Standardwert ist All)

String
Rückgabewert
DatentypErläuterung
String

The Python List returned from the function containing raster names in the workspace, limited by the optional wild card and raster type.

Codebeispiel

ListRasters example

List GRID raster names in workspace.

import arcpy
from arcpy import env

# Set the current workspace
# 
env.workspace = "C:/Data/DEMS"

# Get a list of GRIDs from the workspace and print
#
rasterList = arcpy.ListRasters("*", "GRID")
for raster in rasterList:
    print raster

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9/11/2013