arcpy.env.workspace = self.path# iterate feature classes within feature datasetsfds = [fdforfdinarcpy.ListDatasets(feature_type='feature')]iffds:forfdinfds: arcpy.env.workspace = os.path.join(self.path, fd)forfcinarcpy.ListFeatureClasses(): od = self._get_fc_props(fc) od['Feature data...
ListFeatureClasses 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。 ListFeatureClasses({wild_card}, {feature_type}, {feature_dataset}) ◈ featrue_type:Point、Polygon、Polyline等,默认 All。 ◈ 举例: featureclasses = arcpy.ListFeatureClasses() for fc in featureclasses: arcpy.C...
arcpy.env.workspace=r'E:\test\Data80.gdb'fes= arcpy.ListFeatureClasses(feature_dataset='RG')forfcinfes:iffc==ur'小区面': with arcpy.da.UpdateCursor(fc,["Name","P3"]) as cursor:forrowincursor: courtname=row[0]ifcourts.has_key(courtname): row[1] =courts[courtname] cursor.updateRow(...
ListDatasets(wild_card, feature_type) 返回工作空间中数据集的列表; ListFeatureClasses(wild_card, feature_type, feature_dataset) 返回工作空间中矢量文件的列表。 wild_card 表示通配符,这些函数可以直接搜寻工作空间中有没有相应类型以及与通配符相匹配的文件,然后以列表的形式返回。 使用这些方法可以不再使用文件...
shps = arcpy.ListFeatureClasses() # 选取一列都是 0 的数据 cursor = arcpy.da.UpdateCursor("union", "Id") # 用来记录列表的索引值 i = 0 # 获取图斑的所有 Geometry geoms = arcpy.CopyFeatures_management("union", arcpy.Geometry()) for row in cursor: geom = geoms[i] for shp in shps...
arcpy.env.workspace='G:/exercise data/listtest.gdb'datasets=arcpy.ListDatasets(feature_type='feature')datasets=['']+datasetsifdatasets is not Noneelse[]fordsindatasets:forfcinarcpy.ListFeatureClasses(feature_dataset=ds):p=os.path.join(arcpy.env.workspace,ds,fc)print(p) ...
arcpy.env.workspace = os.path.join(self.path, fd)forfcinarcpy.ListFeatureClasses(): od = self._get_fc_props(fc) od['Feature dataset'] = fd fcs.append(od)# iterate feature classes in the geodatabase rootarcpy.env.workspace = self.pathforfcinarcpy.ListFeatureClasses(): ...
workspace="D:/mapdata/test/worldshp" ftClasses = arcpy.ListFeatureClasses() for fc in ftClasses: outputFt = arcpy.ValidateTableName(fc) print(outputFt) 2、访问地理数据 2.1、检查数据是否存在 Exists(dataset)函数用于检查数据是否存在。 (1)检查GDB中的图层是否存在 arcpy.env.workspace = "d:/...
for fc in arcpy.ListFeatureClasses("", "All", dataset): feature_classes.append(fc) # Print the list of feature classes for fc in feature_classes: print(fc) In this example, we first set the workspace to the File Geodatabase using thearcpy.env.workspacefunction. We then use thearcpy....
ListFeatureClasses(feature_dataset=ds): path = os.path.join(arcpy.env.workspace, ds, fc) print(path) """ 你会看到类似的输出: ~\Documents\Python_\Urban-Spatial-Data-Analysis-For-Beginners\4-空间数据分析\4.2-arcpy\resource/data1\demo.gdb\Polyline\streets ~\Documents\Python_\Urban-Spatial-...