topic CopyFeatures_management overwrites in Python Questions https://community.esri.com/t5/python-questions/copyfeatures-management-overwrites/m-p/134639#M10559 <HTML><HEAD></HEAD><BODY><SPAN>In the following code "CopyFeatures_management" copies features to the same feature class which means overwrite. How can i add new features to one feature class or namely different feature classes and prevent overwriting. </SPAN><BR /><BR /><PRE class="plain" name="code"> import arcpy from arcpy import env env.workspace = r"D:\pomme de terre 2\pomme de terre2.gdb" env.overwriteOutput = 1 fc1 = "Flowline24k_sl_u2" fc2 = "Graph" for a in range(1,6): &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; obj = "ID_1=%d" % (a) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.SelectLayerByAttribute_management (fc1,"NEW_SELECTION",obj)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.SelectLayerByLocation_management(fc1,"INTERSECT",fc1) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.CopyFeatures_management(fc1,"hidden") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.SelectLayerByAttribute_management (fc1,"CLEAR_SELECTION") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; coordList = [] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.FeatureVerticesToPoints_management("hidden", "vertices", "MID") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.AddXY_management("vertices") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rows = arcpy.SearchCursor("vertices") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for row in rows: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; X = row.getValue("POINT_X") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Y = row.getValue("POINT_Y") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; coordList.append([X, Y]) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; del row, rows &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; coordList.sort() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point = arcpy.Point() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; array = arcpy.Array() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for feature in coordList: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point.X = feature[0] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point.Y = feature[1] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; array.add(point) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; polyline = arcpy.Polyline(array)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; array.removeAll() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.Delete_management("vertices") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.Delete_management("hidden")&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.CopyFeatures_management(polyline, fc2) </PRE><DIV style="display:none;"> </DIV></BODY></HTML> Fri, 24 Feb 2012 09:05:08 GMT Alper_Sen 2012-02-24T09:05:08Z CopyFeatures_management overwrites https://community.esri.com/t5/python-questions/copyfeatures-management-overwrites/m-p/134639#M10559 <HTML><HEAD></HEAD><BODY><SPAN>In the following code "CopyFeatures_management" copies features to the same feature class which means overwrite. How can i add new features to one feature class or namely different feature classes and prevent overwriting. </SPAN><BR /><BR /><PRE class="plain" name="code"> import arcpy from arcpy import env env.workspace = r"D:\pomme de terre 2\pomme de terre2.gdb" env.overwriteOutput = 1 fc1 = "Flowline24k_sl_u2" fc2 = "Graph" for a in range(1,6): &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; obj = "ID_1=%d" % (a) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.SelectLayerByAttribute_management (fc1,"NEW_SELECTION",obj)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.SelectLayerByLocation_management(fc1,"INTERSECT",fc1) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.CopyFeatures_management(fc1,"hidden") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.SelectLayerByAttribute_management (fc1,"CLEAR_SELECTION") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; coordList = [] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.FeatureVerticesToPoints_management("hidden", "vertices", "MID") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.AddXY_management("vertices") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; rows = arcpy.SearchCursor("vertices") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for row in rows: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; X = row.getValue("POINT_X") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Y = row.getValue("POINT_Y") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; coordList.append([X, Y]) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; del row, rows &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; coordList.sort() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point = arcpy.Point() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; array = arcpy.Array() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; for feature in coordList: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point.X = feature[0] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; point.Y = feature[1] &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; array.add(point) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; polyline = arcpy.Polyline(array)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; array.removeAll() &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.Delete_management("vertices") &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.Delete_management("hidden")&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; arcpy.CopyFeatures_management(polyline, fc2) </PRE><DIV style="display:none;"> </DIV></BODY></HTML> Fri, 24 Feb 2012 09:05:08 GMT https://community.esri.com/t5/python-questions/copyfeatures-management-overwrites/m-p/134639#M10559 Alper_Sen 2012-02-24T09:05:08Z Re: CopyFeatures_management overwrites https://community.esri.com/t5/python-questions/copyfeatures-management-overwrites/m-p/134640#M10560 <HTML><HEAD></HEAD><BODY><SPAN>I dont understand the question clearly. </SPAN><BR /><SPAN>But try Append_management/Merge_management or InsertCursor</SPAN></BODY></HTML> Fri, 24 Feb 2012 12:46:30 GMT https://community.esri.com/t5/python-questions/copyfeatures-management-overwrites/m-p/134640#M10560 FabianBlau 2012-02-24T12:46:30Z Re: CopyFeatures_management overwrites https://community.esri.com/t5/python-questions/copyfeatures-management-overwrites/m-p/134641#M10561 <HTML><HEAD></HEAD><BODY><SPAN>Ok ! Append tool solves the problem... Thank you very much.</SPAN></BODY></HTML> Fri, 24 Feb 2012 12:46:39 GMT https://community.esri.com/t5/python-questions/copyfeatures-management-overwrites/m-p/134641#M10561 OyaHan_m 2012-02-24T12:46:39Z