ListFeatureClasses (arcpy)

摘要

列出工作空间中的要素类，受名称、要素类型和可选要素数据集的限制。

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

ListFeatureClasses ({wild_card}, {feature_type}, {feature_dataset})

参数	说明	数据类型
wild_card	wild_card 可限制返回的结果。如果未指定任何 wild_card，则会返回所有值。	String
feature_type	The feature type to limit the results returned by the wild_card argument. Valid feature types are: Annotation —Only annotation feature classes are returned. Arc —Only arc (or line) feature classes are returned. Dimension —Only dimension feature classes are returned. Edge —Only edge feature classes are returned. Junction —Only junction feature classes are returned. Label — Only label feature classes are returned. Line —Only line (or arc) feature classes are returned. Multipatch —Only multipatch feature classes are returned. Node —Only node feature classes are returned. Point —Only point feature classes are returned. Polygon —Only polygon feature classes are returned. Polyline —Only line (or arc) feature classes are returned. Region —Only region feature classes are returned. Route —Only route feature classes are returned. Tic —Only tic feature classes are returned. All — All datasets in the workspace. This is the default value. (默认值为 All)	String
feature_dataset	Limits the feature classes returned to the feature dataset, if specified. If blank, only stand-alone feature classes will be returned in the workspace.	String

返回值

数据类型	说明
String	该函数返回包含要素类名称的列表，该列表受可选的 wild_card、feature_type 和 feature_dataset 参数的限制。

代码实例

ListFeatureClasses 示例

将 shapefile 复制到地理数据库中。

import os
import arcpy

# Set the workspace for ListFeatureClasses
arcpy.env.workspace = "c:/base"

# Use the ListFeatureClasses function to return a list of
#  shapefiles.
featureclasses = arcpy.ListFeatureClasses()

# Copy shapefiles to a file geodatabase
for fc in featureclasses:
    arcpy.CopyFeatures_management(
        fc, os.path.join("c:/base/output.gdb",
                         os.path.splitext(fc)[0]))

ListFeatureClasses 示例 1

列出地理数据库中所有的要素类，包括要素数据集中的所有要素类。

import arcpy
import os

arcpy.env.workspace = "c:/base/gdb.gdb"

datasets = arcpy.ListDatasets(feature_type='feature')
datasets = [''] + datasets if datasets is not None else []

for ds in datasets:
    for fc in arcpy.ListFeatureClasses(feature_dataset=ds):
        path = os.path.join(arcpy.env.workspace, ds, fc)
        print path