[3] # Make a layer from the feature class arcpy.MakeFeatureLayer_management(input_path, "lyr") # Within selected features, further select only those cities which have a population > 10,000 arcpy.SelectLayerByAttribute_management("lyr", "NEW_SELECTION", sql) # Generate file names input_name...
#导出选择的数据集 arcpy.MakeFeatureLayer_management(inFeatures,"lyr") arcpy.SelectLayerByAttribute_management("lyr","NEW_SELECTION",' "RD" < 0.05 ') # Write the selected features to a new featureclass arcpy.CopyFeatures_management("lyr","RD_Train") print'程序结束:'+str(time.ctime()) --...
1. 根据属性值删除行 arcpy.MakeFeatureLayer_management(outputpath, "parcels_lyr")#根据输入要素类或图层创建临时图层,如果不将此图层保持到磁盘或地图文档,该图层在会话结束后将不会继续存在。 arcpy.SelectLayerByAttribute_management("parcels_lyr", "NEW_SELECTION", '"field" < 4')#按属性表选择图层 arcpy...
Second process in this script is to execute the area statistics and add this layer to the table of content for the convenience of user. However when I run this script, line no 1 and 2 executes with no error but doesn't make any selection and the line no 3 execute...
Is it possible to use an existent layer to do a selection by attributes without having to use MakeFeatureLayer_management first? Because I already have a layer with the same name as the feature class "Rede_Cbr_MM_2008_proj". Only this code works for me: import arcpy from arcpy imp...
arcpy.MakeFeatureLayer_management:创建要素图层,该图层是原始要素类在内存中的表示。 qry:定义查询条件,使用SQL语法指定筛选条件。 arcpy.SelectLayerByAttribute_management:执行定义查询,选择符合查询条件的要素。 arcpy.GetCount_management:获取选择要素的数量,并打印出来。5...
早上闲来无事，在cpanel后台转悠，看到了hotlink保护，想想是不是设置一下防盗链呢，这个博客开始到现在也...
arcpy.env.workspace=ur'E:\yaxxnxxu\121xxx房xx\Data80.gdb'courtname= str(sys.argv[1]) surround_courts=[]fc_court= ur'RG\小区面'arcpy.MakeFeatureLayer_management(fc_court,'court_lyr2') sql="Name='"+ courtname +"'"arcpy.SelectLayerByAttribute_management('court_lyr2',"NEW_SELECTION",...
visible: print('Layer {} is visible.'.format(layer)) # validate feature class names featureClassName = arcpy.ValidateTableName(layer, outWorkspace) outFeatureClass = os.path.join(outWorkspace, featureClassName) # create a feature layer from layer on disk featureLayer = arcpy...
to select a layer by location, first create a geometry object as json (can be esri or geojson format) and make the selection: # select layer by location universities_url = 'https://services1.arcgis.com/Hp6G80Pky0om7QvQ/arcgis/rest/services/Colleges_and_Universities/FeatureServer/0' # ...