NIM071958 for ArcGIS for Desktop

Número de ID del error	NIM071958
Enviado	August 24, 2011
Última modificación	June 5, 2024
Relacionado con	ArcGIS for Desktop
Versión encontrada	10.0
Estado	Duplicate

Información adicional

NIM071321

Solución alternativa

Create an in_memory copy of the input polygon feature class, delete the identical field used in the field mapping object, and then pass it into the spatial join.Code example below:# import modulesimport arcpy, os# Data: Specify location of test datahome = arcpy.GetParameterAsText(0) #r"<a href="file:C:/ArcGIS" target="_blank">C:\ArcGIS</a> Testing\Python Testing\957244 - Field Mapping"# Data: Local VariablespolygonFC = home + os.sep + "Polygons.shp" pointFC = home + os.sep + "Points.shp"idFieldName = "regID"scratchSJshape = "temp_sj.shp"scratchDirectory = home + os.sep + "Scratch" + os.sep# Process: Check if scratch folder exists and delete itif arcpy.Exists(scratchDirectory[:-1]): arcpy.Delete_management(scratchDirectory[:-1])# Process: Create scratch folderarcpy.CreateFolder_management(home, "Scratch") # Process: Create Field Mappings ObjectfieldMappings = arcpy.FieldMappings()index = fieldMappings.findFieldMapIndex(idFieldName)# Process: Populate Field Mapping ObjectnewFieldMap = arcpy.FieldMap()newFieldMap.addInputField(pointFC, idFieldName)newField = arcpy.Field()newField.type = "String"<a href="http://newField.name" target="_blank">newField.name</a> = "TestField"newField.aliasName = "TestField"newField.editable = 1newField.isNullable = 1newField.length = 250newFieldMap.mergeRule = "Join"newFieldMap.joinDelimiter = ", "newFieldMap.outputField = newFieldfieldMappings.addFieldMap(newFieldMap)# Process: Create polygon layer in memory and remove id fieldmemPoly = r"in_memory\polyFeature"arcpy.CopyFeatures_management(polygonFC, memPoly)arcpy.DeleteField_management(memPoly, idFieldName)# Process: Spatial join the point and polgon featuresarcpy.SpatialJoin_analysis(memPoly, pointFC, scratchDirectory + scratchSJshape, "JOIN_ONE_TO_ONE", "KEEP_ALL", fieldMappings, "INTERSECTS")# Process: Return output to model/displayarcpy.SetParameter(1, scratchDirectory + scratchSJshape)# Process: Delete in_memory featurearcpy.Delete_management(memPoly)