The cursor tag has no wiki summary.
8
votes
2answers
807 views
Export table to X,Y,Z ASCII file via arcpy
I'm looking for a way to export an ArcGIS table (created with the Sample command) to a text file via arcpy. I can do this in ArcGIS via the context menu by right-clicking the table, but have not found ...
2
votes
3answers
95 views
Creating a where clause from user input/Python list
I am trying to perform a query based on values in a Python list. The where clause will then be used in an Update Cursor, so that the rows NOT equal to the values in the list will be deleted.
This is ...
2
votes
2answers
84 views
Using select by location to update a field in a feature class
I am using Arc 10.1 and I am working on a script that takes a value from a field within one shape file and updates a field in another shape file based on its location. Basically I have smaller parcels ...
2
votes
1answer
69 views
Updating and inserting a field within the same loop
I am working with an empty feature class where I am writing a script to create polylines within the featureclass and attach an associated text value with the polyline.
I am using a for loop as noted ...
2
votes
1answer
140 views
Am I over-complicating adding and then calculating fields? Suggestions for a better way? (Python)
I'm attempting to re-position a question I asked yesterday here. I am starting to think that the way I wrote my code just isn't the best way. Am I overcomplicating things?
I know for a fact that ...
2
votes
2answers
62 views
Field calculator or update cursor?
I have a feature class in which one field (let's call it "Field_A"), as yet empty, is to be populated by the contents of another field ("Field_B") multiplied by a certain number (I'll call it the ...
2
votes
1answer
103 views
Incorrect field name resulted in RuntimeError: ERROR 999999 (Also, better code for adding and calculating fields)
This is the bottom half of my code (and it's been edited somewhat to share publicly). The code works perfectly fine when the fieldList has only three fields in it, but when I populate it with all 108 ...
2
votes
0answers
81 views
Processing arcobjects cursor is taking long time
I am maintaining a code on arcobjects 10.1, and there is a bug happening.
I have a code that is parsing through a cursor, and generate a where clause statement to run it on a second query.
So the code ...
1
vote
2answers
125 views
Batch set value/calculate field inside Cursor
I am matching data using a cursor, where one of the final steps is filling in a new attribute, match, with a value calculated during the cursor. This matching is done to an ID field in the original ...
1
vote
2answers
89 views
SearchCursor (arcpy.da), accessing data on joined tables
Can you access joined tables through a da.SearchCursor?
I've found documentation to do this with SearchCursor (arcpy), but nothing for the 10.1 data access module.
0
votes
1answer
113 views
Help with Python Update Cursor syntax
I'm having trouble running a loop to update the values in a particular field in attribute table by reading from a csv file. Any input is greatly appreciated. The following is the sample code:
import ...
0
votes
1answer
89 views
Stop a Cursor loop when only 1 item is selected with Python
I am trying to create a Cursor that goes through a selection process and stops looping when only one feature is selected. Basically, as the Cursor loops it subsets a selection, and instead of going ...
0
votes
1answer
68 views
How to Export to PDF after zooming to extent of each feature that meets SQL where clause?
I realize that I've asked two similar questions recently, but following suggestions in the comment chain, I'll make this a separate question (separate as it is not the no output problem in ArcPy: ...
0
votes
0answers
36 views
esri ArcObjects slow performance accessing features [duplicate]
I have to create my own control like Attributes Table using C#. My version of attributes table is very slow, for ex. for 300.000 rows in table and 140 fields it takes about 1 minute!
esri Cursors are ...
-1
votes
2answers
76 views
ArcPy: (SearchCursor/export to tiff ) with no output [closed]
I'm trying to write a script that uses a search cursor to loop through a field in a .shp file (Incident_Z) find every value that meets a specific condition (zip code=10004) and then at a scale of ...
