接到朋友的小需求,文件夾下有多個GDB,各個GDB下又分別有各自的要素文件。app
思路上的核心方法是函數
walk = arcpy.da.Walk(workspace, datatype="FeatureClass")工具
arcpy.da.Walk函數可便利workspace下全部的文件路徑、文件名、文件夾。spa
相比os模塊的walk函數不支持讀取GDB,arcpy的Walk支持GDB下的要素類讀取。.net
1. 用walk讀取全部要素類後,將全部要素類名添加到一個LIST裏,將全部要素類路徑+文件名添加到另外一個LIST裏。code
2. 在文件名的for循環下將全部同名要素類添加到一個LIST裏。blog
3. 使用 arcpy.Merge_management合併LIST並輸出。get
4. 包裝成GP工具。for循環
1 import arcpy 2 import xlrd 3 import xlwt 4 import os 5 6 7 workspace = arcpy.GetParameterAsText(0) 8 out = arcpy.GetParameterAsText(1) 9 10 11 evefeature = [] #存儲全部要素要素路徑+要素名 12 feature_classes = [] #存儲全部要素名 13 walk = arcpy.da.Walk(workspace, datatype="FeatureClass") 14 for dirpath, dirnames, filenames in walk: 15 for filename in filenames: 16 evefeature.append(os.path.join(dirpath, filename)) 17 if filename not in feature_classes: 18 feature_classes.append(filename) 19 print filename 20 21 for featurename in feature_classes: 22 ls1 = [] #存儲同名要素路徑+要素名 23 for evefeatures in evefeature: 24 int1 = len(featurename) 25 int1 = int1 - int1 - int1 26 if evefeatures[int1:] == featurename: 27 ls1.append(evefeatures) 28 arcpy.Merge_management(ls1,out+ "/%s"%featurename) 29 get = featurename + "get" 30 arcpy.AddMessage(get)
GP工具參數class
GP工具界面
GP工具下載(ARCGIS版本爲10.4):
https://download.csdn.net/download/qq_39755485/10499571