2017-06-06 126 views
-1

我试图找出在ArcGIS中不使用python的任何商店的县。在ArcPy中进行反向选择?

我有一个点层(代表商店)和一个多边形层(县)。我设法编写了一些代码来找出包含商店的县。代码如下。

import arcpy 
arcpy.env.overwriteOutput = True 
path="C:/Users/XARDAS/Documents/ArcGIS/Packages/Romania1000k_9E5B7FEC-6005-4D3A-81EA-E95FAACEF69E/v101/ro1mil.gdb" 
arcpy.MakeFeatureLayer_management(path+"/Counties", "Counties_lyr") 
arcpy.MakeFeatureLayer_management(path+"/Stores", "Stores_lyr") 
arcpy.SelectLayerByAttribute_management("Stores_lyr", "NEW_SELECTION","Type=1") 
arcpy.SelectLayerByLocation_management("Counties_lyr","INTERSECT","Stores_lyr",0,"NEW_SELECTION") 

所以这让我有专卖店,但我想以某种反交集的程序给我,没有任何商店的那些县。我曾考虑过删除选定的县,但我认为这不会太好。

+3

交叉张贴https://gis.stackexchange.com/q/243021/115 – PolyGeo

回答

0

由于您选择了所有您不想选择的内容,所以反转(或切换)选择会给您想要的。 (ref help page

末加入这一行:

arcpy.SelectLayerByAttribute_management("Counties_lyr", "SWITCH_SELECTION")