1
vote
1answer
56 views

Calculating Field B from Field A, except where Field B has existing value, using ArcGIS Desktop 9.3?

Im trying to calculate Field B from Field A except where Field B has existing value in ArcGIS Desktop 9.3. (I suspect its straight forward but I have 'searched' and havent cracked it yet) Any ...
1
vote
2answers
208 views

VBA ArcGIS 9.3 Field Calculator: 'countif' across several fields

I have an attribute table with 15 columns that contain either a '0' or a taxonomy number. I would like a summarized column that shows the number of different species. location type1 type2 type3 ...
0
votes
0answers
355 views

How can I get shape filename in attribute field using field calculator with VBA?

I want to store ths shapefile name in an attribute field using the field calculator and visual, but can't find the way to do it. Can anyone help me, please? Thanks!!!
2
votes
1answer
625 views

Cursors and Field calculation - Python 2.5 - ArcGis 9.3

I hope my question is not redundant. I wrote a script to Update a table using two imbricate cursors. The goal was 1) to read a records, update some of its values 2) Make a selection based on this ...
4
votes
1answer
267 views

Debugging Visual Basic Code Block in calculate field using ArcGIS Desktop?

From time to time, I have to use Visual Basic in Calculate Field. As the code get bigger, the more complicated is to debug it. And ArcGIS (9.3) does not help as the error messages are, in the best ...
2
votes
3answers
790 views

Python and CalculateField

I am having trouble with using Python together with my gp.Calculatefield tool in my python script, and I am not sure why.. Heres the code (UPDATED) import arcgisscripting, os, sys myTempWorkspace = ...
3
votes
2answers
587 views

Adding VBA into a Python script generated by ModelBuilder

I have created a model that does a calculate field and have used VBA in the code block. But when I export it to Python, it doesn't work. Here is the VBA code: new_value = ...
3
votes
2answers
1k views

Force the decimals to use the comma in Field Calcuator ArcGIS 9.3.1

Can I add the comma "," to force the decimals to remove from the attribue and replace with the number? For example, I have an Acres field column that says 506320.0750 and I want to replace the decimal ...
1
vote
1answer
338 views

How to tranform a column field into a list using Field Calculator

I'm trying to make a simple field calculation with ArcGIS 9.3: New field = Old field - Old field(first value) which in Calculate Field with python code should be Expression: !Old field! - first ...