ListRasters

概要

Returns a list of the rasters in the current workspace.

ディスカッション

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

構文

ListRasters ({wild_card}, {raster_type})
パラメーター説明データ タイプ
wild_card

Limits the results returned. If a value is not specified, all values are returned. The wildcard is not case sensitive.

SymbolDescriptionExample

*

Represents zero or more characters.

Te* finds Tennessee and Texas.

String
raster_type

The raster type that will limit the results. The following are valid raster types:

  • 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.
  • TIFTagged Image File for raster datasets.
  • GRID Grid data format.
  • AllAll supported raster types are returned. This is the default.

(デフォルト値は次のとおりです All)

String
戻り値
データ タイプ説明
String

The list returned from the function containing raster names in the workspace, limited by the optional wild_card and raster_type arguments.

コードのサンプル

ListRasters example

List Grid raster names in the workspace.

import arcpy

# Set the current workspace
arcpy.env.workspace = "c:/data/DEMS"

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

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