Tagged Questions

3
votes
1answer
31 views

How to check via Arcpy if ArcMap is currently in an edit session or not?

I've created a Python add-in button that helps speed up my coworkers workflow by copying one feature class attribute to another. It uses the arcpy.UpdateCursor function to update a row in the target ...
0
votes
1answer
19 views

How to add layer in Arcscene using script tool

import arcpy mxd = arcpy.mapping.MapDocument("CURRENT") df = arcpy.mapping.ListDataFrames(mxd, "*")[0] addLayer = arcpy.mapping.Layer(r"F:\project\Final\Ground floor\steps.lyr") ...
1
vote
1answer
80 views

Does Identify tool of ArcGIS for Desktop have Python script behind it?

Can anyone let me know the Python script for "Identify" tool in arcmap10. I need to create a customized script tool for that and add in a toolbar.. Pls help...
2
votes
0answers
38 views

Difficulty in running the script

I have developed a script tool for adding a layer in the current map document. It did not work.. The message is "Completed script addlayer...". But there were no layers added in the TOC. Another issue ...
2
votes
1answer
78 views

Select and zoom python script

I am attempting to make a simple select and zoom python script for my address points. Currently the script will complete successfully but will not select or zoom to the entered point. I am using two ...
1
vote
1answer
136 views

Calculating mean upslope aspect

I am trying to write a python script to calculate the mean aspect upslope from each cell in a DEM. I have the general workflow down, but my final output is restricted to angles between 0 and 90 ...
3
votes
4answers
483 views

Renaming a field using arcpy

What I need to do: rename a field name of a table/feature class copy all values to the new field So far I have done following code as artwork21 suggests: EDIT: import sys import traceback import ...
2
votes
1answer
86 views

Difficulty converting standalone script to ArcGIS tool

As my title says, I am currently trying to make my (working) standalone script into an ArcGIS tool so I'm not the only person in my office that can use it. It essentially selects all the data within ...
3
votes
2answers
104 views

ArcGIS Conflation Tool Recommendation or Custom Script for Comparing Points

Can anyone recommend conflation tools for ArcGIS Desktop (10 or 10.1, paid or free) or a scripting outline / procedure (or just a script) to have a technician efficiently process the following rules? ...
3
votes
1answer
105 views

Beginning Arcpy: Asking for a quick review of my script

I cobbled this code together from ESRI documentation and stackexchange answers. I tried to use SearchCursor(points, fields=fieldname) but I get this error: TypeError: SearchCursor() got an ...
0
votes
2answers
133 views

How to create a route and add that route as layer to map using ArcPy?

I wrote a little script for ArcGis, and when I make it run by GUI it happens that it seems to create routes but the routes do not appear in the TOC. Consequently, when the script tries to execute ...
7
votes
1answer
853 views

How to export only certain columns to a CSV file in ArcGIS?

I've written a python script using arcpy which outputs a polygon feature class into a File Geodatabase. I have added a function to export the attributes to a separate CSV file. I am using the code ...
4
votes
5answers
284 views

Python loop Polygon to raster not working

I want to convert a large number of different shp polygons to raster in ArcGIS 10.1, using an existing field column "class" for the new raster classes. I am not very fluent in python but I thought ...
4
votes
2answers
231 views

Describing a coordinate system in arcpy

I have a python script in ArcGIS 10.1 which takes in a few inputs from the user. One of the inputs is a coordinate system. I would like to test whether the coordinate system the user chose was ...
3
votes
1answer
116 views

How can I put coded domains into a list to be created in python script?

I have a large list of coded domains. They are numbers like: 01.6530.01, 05.7991.08, 05.7991.01, 05.7991.06 The code will be the exact same as the description. I've tried to make a list using: ...
31
votes
9answers
2k views

Alternatives to using Arcpy

I seem to use ESRI's Arcpy site package for virtually all of my python geoprocessing. To ESRI's credit, these are an incredible suite of tools that can help accomplish a great deal. However, I would ...
12
votes
1answer
586 views

How do you write a Python script for repairing data sources in ArcGIS 10

So, I have about 50 mxd's with all broken layers that I have been going through and manually resetting. The data was moved from another computer and the folder structure was changed so it isn't just ...
2
votes
2answers
531 views

Help with ListFields and CalculateField_management syntax

I need some assistance with the syntax for a CalculateField_management calculation as I have still yet to master all the python syntax rules. What I am trying to do is find the max value in a ...
7
votes
1answer
262 views

How to simulate moving vehicles?

I have a point layer (stored in SQL Server 2008) that is being served up by a map service in ArcGIS Server 10.1. I am consuming this service in a web client. Lets say the points are boats out at ...
3
votes
1answer
173 views

How do I stop GP script from adding temporary data to Table of Contents?

I have a script that does a series of calculations, producing temporary data along the way. However, at each step of the script, data is added to the TOC and then removed when I call the ...
1
vote
0answers
266 views

Variable stored as NoneType in Python with updateCursor

SOLVED: although the field was not nullable (no null values), a glitch created one in the heading field, so the variable was stored as a null value and thus the NoneType. I am using updateCursor to ...
4
votes
2answers
831 views

Check if shapefiles exists in folder

In ArcGIS modelbuilder I want to check if a shapefiles exists, if not I want to create the shapefile in that folder. I guess the calculate value tool within ArcGIS modelbuilder can be used, but I need ...
1
vote
1answer
83 views

Other than the methods stated on the Desktop 10 Sharing Tools section, are there any other ways to distribute custom toolscripts?

Essentially I want to be able to distribute a custom script and it seems that I cannot create a .tbx file, so I looked into the other methods, but they are all only for Python modules it seems. What I ...
5
votes
1answer
511 views

Script tool Value error

I've been struggling to get my script tool to run without receiving the following error: <class 'arcgisscripting.ExecuteError'>: Failed to execute. Parameters are not valid. ERROR 000735: ...
1
vote
3answers
986 views

Error when creating insert cursor in arcpy

I've written several scripts that copy data from MS Access db into a new, empty ESRI Geodatabase. I've pretty much copied the code and changed it for each table -- the first two scripts have worked ...
2
votes
2answers
306 views

how to calculate a field from a shp currently sected in a arcmap session using a Python script in ArcMap 10?

Hi I nedd to create a script in Python for use in ArcMap 10. This script must be able to calculate a field from the shp currently selected in ArcMap. Any ideas?, I'm new to Python so any code example ...
4
votes
3answers
3k views

ArcGIS 10/arcpy: Help needed with syntax for CalculateField_management in Python script

I need to use CalculateField_management in a Python script, and the calc expression needs to concatenate a runtime variable, a string, and a field (string) value. I have searched all over for ...
3
votes
1answer
945 views

How do you make a SQL join query for a NULL in a search cursor in ArcPy?

I am trying to learn how to do some error catching/avoiding in ArcPy. Here is a simplified version of what I would like to do. I would like to take some points, and then check to see if there is a ...
5
votes
1answer
542 views

arcpy.mapping.ListLayoutElements() takes longer in a tool than in ArcMap

Has anyone else noticed that accessing elements from arcpy.mapping.ListLayoutElements() through a tool script takes longer than within ArcMap? Whether using a specific name, wildcard or nothing, the ...
4
votes
1answer
238 views

ArcPy or FME for adding history to an object?

I have a very specific problem and I'm looking for a solution for it. I need to add some sort of history to an object. The history will be stored like this: begin_date end_date previous_id Suppose ...
1
vote
3answers
566 views

Automating capture of Extent from multiple mxds with multiple dataframes

I want to create a single shape file from multiple mxd's that have multiple frame sets with different extents in them. I have found/started a script to do this (attached) but can't figure out how to ...
7
votes
4answers
3k views

How to remove a feature layer in an ArcPy Script

So, I have an arcpy based script where I'm trying to intersect two layers where one layer must have its centroid in the other layer. Since I need to know that one layer (feature_layer below) includes ...
5
votes
2answers
1k views

(New at Python Scripting) Creating a Loop so i can replace text in page layout in multiple mxds instead of one mxd at a time

I found some code on a website that will perform a search and replace on page layout text elements. Currently you can only do it one MXD at a time. I was hoping to change the code so I can do a search ...
11
votes
1answer
582 views

How can I display raised error messages to the user in the ArcGIS geoprocessing results window?

Question: Can print statemnts raised from a custom exception be displayed in the gp results window? Background: I modified a script that I found that takes two inputs from a user, finds the ...