ListRasters

摘要

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

讨论

必须先设置工作空间环境，之后才能使用多个列表函数，这些列表函数包括 ListDatasets、ListFeatureClasses、ListFiles、ListRasters、ListTables 和 ListWorkspaces。

语法

ListRasters ({wild_card}, {raster_type})

参数	说明	数据类型
wild_card	通配符可限制返回的结果。如果未指定任何通配符，则会返回所有值。	String
raster_type	The raster type to limit the results returned by the wild card argument. Valid raster types are: BMP —Bitmap graphic raster dataset format. GIF —Graphic Interchange Format for raster datasets. IMG — ERDAS IMAGINE raster data format. JP2 —JPEG 2000 raster dataset format. JPG —Joint Photographics Experts Group raster dataset format. PNG — Portable Network Graphics raster dataset format. TIFF —Tagged Image File Format for raster datasets. GRID — ESRI GRID data format. All —All supported raster types are returned. This is the default. (默认值为 All)	String

返回值

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

代码示例

ListRasters example

List ESRI GRID raster names in workspace.

import arcpy
from arcpy import env

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

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