Cursors are used by database programmers to process individual rows returned by database system queries.

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Not able to apply update cursor on OS MasterMap feature classes created using OS Translator II

I am using OS Translator tool to convert OSMasterMap GZ files to PostgreSQL database. The feature classes created are query layers and cannot be edited in ArcGIS. Now I am writing a code to add new ...
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1answer
89 views

error trying to create two variables Cannot acquire a lock

I am trying to create two variables one for x vertices and another for y vertices, when I leave the vertices as x, y the code runs but not when I separate the vertices into verticeX & verticeY ...
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3answers
53 views

Using arcpy.SearchCursor SQL clause?

I got a table with the name Predios like this: OBJECTID PRM_IDENTIFICA 1 4030200606130 2 403020060615 3 40302006011700 Can I use search cursor to find the records ...
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1answer
41 views

Python Script to update all feature classes/datasets in gdb with search and update cursor?

I have two geodatabases, one is a production sde database, the other is a backup in a local file geodatabase. The script runs as a task once a month and is very resource intensive. I am using ArcGIS ...
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1answer
51 views

How to use search cursor in a given extent

I want to perform a selective search cursor for a feature class for a given extent. I have tried setting env.extent in the below code but it is returning the whole feature class instead of a fixed ...
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1answer
66 views

Implementing UpdateCursor?

I previously asked Updating attribute information about this script last week. I have amended it and am confused. I need to write the ADMINAREA value to the empty LOCALITY fields from TWB_Suburbs to ...
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0answers
22 views

Creating new feature class in ArcPy gives error 000210? [closed]

I am trying to create a new attribute table and I keep getting the same error. import os import arcpy import math folderpath = 'C:\Users\Michaelf\Desktop\GEOG M173' arcpy.env.workspace = folderpath ...
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1answer
52 views

Arcpy update cursor: stop iteration error

I have 1 csv with municipalities and their corresponding zip codes and a GDB of houses which contain address, municipality but no zip codes Objective: add the zip codes to the GDB table import csv ...
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1answer
75 views

Updating attribute information

I need to write a script that updates the "LOCALITY" field in a feature class if it is empty with the suburb it is in. I have identified the number of properties with select by location and the ...
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1answer
27 views

Script Tool Automation of Search and Update Cursor?

I keep recieving the following error: RuntimeError: An invalid SQL statement was used. [SELECT [ID_NUMBER,COLLECTION,COLLECTED_,COLLECTI_1], OBJECTID FROM OFFICIAL_STRUCTURES2015] import arcpy as ...
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1answer
26 views

Arcpy: Insert a text if filed is empty

I want to run a python code that, if 4 fields are empty, insert in the first of them a text. The fields are all designed to contain text. My code is: import arcpy import xlrd import numpy import ...
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1answer
52 views

Using InsertCursor and SearchCursor with Nested Loops

I have a script that's parsing through text within each record of a table/field, and inserting those values into field/records of another table. Here's an example of the text being parsed (from ...
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1answer
56 views

Create points along selected line using arcpy

How to make this script take a list of distances along a selected line and create a point featureclass with points at these distances? import arcpy from arcpy import env import os ...
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2answers
42 views

Search for textbits in QGIS

Is there a way to search for only parts of text in QGIS. Imagine I have a field in my attributetable called myField and I have several entries there, something like This is awesome Even more awesome ...
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1answer
60 views

Arcpy store field value as variable

I am trying to write a script that will go through a grid layer that has individual 535 grid squares. I want to find a way that will tell me how much gas main is left to be checked in each grid. Any ...
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2answers
39 views

Arcpy Update Cursor with Character Length

I am attempting to create an update cursor to concatenate fields of a parcel ID based on the amount of characters in the MAPNO field. This is important because the spacing between MAPNO and LOT of ...
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1answer
20 views

Search and Update Cursor Automation: Avoid <Null> Values and Recognize Data Values

I am attempting to Search Cursor through a joined table. (I do not have access to the original separated tables) If the value of "COMPANY" and "DATE_" are then they will be skipped and it is ...
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1answer
31 views

count if a row value is within a dynamic range?

I am after doing a COUNTIFS in python. I need to check each row ± 250 with other rows and if this row is between that range then count 1, then next row, .. and do the same thing. and if there are any, ...
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2answers
67 views

Update Cursor: Unable to populate specific field

I am attempting to create a loop to recognize the entry/exit point of a pipe to/from a structure by associating it with a North, South, East, or West direction and then populate the corresponding ...
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0answers
54 views

can't get tuple to run [duplicate]

I am having some trouble getting my code to run particularly for my tuple. I am trying to get the distance from any city to a lake by calculating the minimal Euclidean distance from the city ...
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1answer
24 views

Getting NameError when using Cursors to read vertex coordinates in ArcPy? [closed]

I am new to python and having trouble Looping each feature in the new polygon shapefile, then use geometry cursors to read vertex coordinates of this lake polygon, identify the city that is the ...
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1answer
34 views

Updating Field to Calculated Variable using Arcpy

I'm trying to use the updateCursor to insert a calculated value in the correct field. However, I keep on receiving an execution error. I think it is an easy fix, but I am new to arcpy and cannot ...
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1answer
41 views

How do I get arcpy.Select_analysis to skip conditions that don't exist

I have data from 2007 to 2015 of various animals that I'm trying to break up by year and name. I wrote a little for loop that goes through all the items in my attribute table (gps_points). The ...
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2answers
26 views

Reference Items in Generated List for Multiple Record Selection and Iterate

I'm new to Python and am having trouble with a list of all things. The data I am currently working with consists of multiple road segments (contained in 'STREETNAME' field) each of which has a ...
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2answers
21 views

trying to update empty string field with a string

I need to update a column of values such that empty fields are changed to the string "OFF_ROAD." I've looked up a plethora of examples, and this is what I'm trying to get to work, but when I run it, ...
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0answers
28 views

How to get 4 values for different Indexes and names of rasters for set of points? [closed]

I am trying to get 4 values for different Indexes and names of rasters for set of points, but get problem with defining function def extractIndex(raster, pathName). #List of Folders 4 Folders ...
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38 views

Import csv value to an empty field in a point feature class

I have a .csv with three colums and a point feature class with an empty field that i would like to fill with a value of the csv. In the .csv i have 15 rows with a code. In the feature class just one ...
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2answers
27 views

Getting name of raster in point shp.file Attribute Table using ArcPy? AttributeError: 'unicode' object has no attribute 'contains'

I am trying to get name of raster for corresponding point if point belongs to raster and fill column "name" in points Attribute Table: but no names in Attribute Table column "name" of point's ...
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1answer
53 views

Attribute table updating using ArcPy cursors?

I have a line type shapefile representing the road network of a country. That the country has experienced more change in the road names is why I want to create a script that will help me make update ...
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2answers
115 views

Scripting (Python) Feature Class content into Shapefiles following an UTM data structure

Consider a Feature Class and two of its fields are "UTM_grid" and the "OID". Scripting with python 2.7 for ArcGIS 10.3. "UTM_grid" field contains the geographic info (e.g. B1SD40B) and was broken ...
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2answers
47 views

editing and manipulating tables with python

I’m new to ArcMap and was wondering if anybody could help me out. I have a shapefile with counties and wells in that county. In the table I’m trying edit it so that for each county calculate the total ...
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26 views

Scripting cursor updates to ArcGIS Online feature is somehow failing

I'm charged with maintaining QA logs embedded in a feature on ArcGIS Online. Basically I just have to change some fields in the feature. The problem is that I wrote scripts using cursors to update ...
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1answer
46 views

Comparison between two fields of two tables using ArcPy cursors?

I would like to make a comparison between two fields of two different tables with a Python script. Fields for comparison are ROAD_NAME and NAME.ROAD. The idea is to check whether each element of ...
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1answer
169 views

Generic error on an “if” in arcpy

My code has to check if a value in a shapefile attribute table belongs to a certain group of landuses. Below I paste my code: cursor = arcpy.SearchCursor(buf_intersect) fields = ["GTYS_Branc", ...
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1answer
38 views

Automation KeyError using Search Cursor / Data Dictionary

I recently received help in modifying a previous code for structures as part of project. The first time I ran it the code worked fine, but when I went to double check it. I keep receiving: ...
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1answer
28 views

The same value for X and Y in Attribute Table

I want to extract X and Y coordinates of points from shp file - infc, and put them to corresponding columns in Attribute Table. My code just give the same X and Y for all points in Attribute Table: ...
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1answer
52 views

Insert Cursor not creating polygon

I used this code to create a polygon in my map, but the polygon isn't showing up anywhere. Does anyone know why? Here is my code: fc = "U:\BuildingFootprints.gdb\BuildingFootprintsCopy" cursor = ...
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2answers
75 views

Update Cursor for automation of tedious data entry which keeps crashing ArcMap

I coded the Update Cursor for automation of tedious data entry where I am applying a previous Survey Company Identification Data to STRUCTURES_15096.shp from "OFFICIAL_STRUCTURES2015.shp" and it keeps ...
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1answer
80 views

Having arcpy.da.SearchCursor access only selected row in attribute table?

In ArcMap 10.2, I'm attempting to build a tool that, when run, will iterate through a network of pipes to locate an outfall point. My network is composed of polyline data representing pipe, with input ...
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1answer
43 views

ArcObjects in ArcMap 10.2.2 UpdateCursor refer to a calculated field value in the same Cursor

Is it safe to calculate a field value inside an update cursor and refer back to this calculated value to change another field value of the same row? I think some code will actually explain my ...
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0answers
57 views

Cursor help on large spatial query in PostgreSQL

I have two very large tables on which I want to perform a spatial query. UPDATE table_a SET att_1 = b.att_1, att_2 = b.att_2 FROM table_a AS a JOIN table_b AS b ON ...
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1answer
57 views

updating field based on another field with arcpy.da.updateCursor

My code is very simple and it should work, but it doesn't. Perhaps another set of eyes can solve my issue... I created new field (this part works), then look up value of another field and depending on ...
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0answers
35 views

To get field value from a first table and search it in a second table

I create a script that allow me to display field values from my first table. How can I get value display with print in order to serach it in a second table. If values displayed using print doesn't ...
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1answer
60 views

Python Calculate Cumulative Polygon Areas (Basins)

I've been asked to automate the calculation of cumulative polygon areas within a basins shapefile. The calculation will take the area of the upstream basin and add it to the area of the downstream ...
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1answer
35 views

Problems passing where clause as variable?

I'm having trouble passing my where clause for arcpy.SearchCursor as a variable. The following code successfully generates a query for me: PolyList = "C:\\Users\\korora912\\Desktop\\polygons.shp" ...
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2answers
44 views

Cannot insert data into my feature class

I'm using Arcgis 10.1 and I created my script for inserting data in my feature class but I got this error message: Traceback (most recent call last): File ...
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1answer
126 views

arcpy.da.UpdateCursor updating field based on the previous row

I am quite new to python. As you can see from the image attached to this post. I have polylines with From junctions (fnode) and to junctions(tnode) field. My goal is as following: To update draw ...
2
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1answer
39 views

Deleting Duplicates from Multiple Tables in a GeoDatabase

I'm having trouble deleting duplicates from multiple tables in a geodatabase. I have a field "facility_id" which should be unique, but I have multiple entries and need to delete all but one. I've ...
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1answer
59 views

Writing attributes and associated feature class name from file geodatabase to CSV?

I need to write a csv file that lists every record from an ID field across all feature classes in a gdb. The code I have written below does that fine, but I also need to write in the second column of ...
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2answers
59 views

Looping fields in an update cursor

I'm running an update cursor on an in_memory feature class to remove blank (but not null) values as part of a larger process. I wanted by update cursor to loop through my list of fields and if the ...