A site-package created by Esri to expose ArcObjects to Python.

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How to interpolate points along a line in Python for ArcGIS 9.3?

I am building a Python geoprocessing script for ArcGIS 9.3. In the script, I have a simple LINE feature class with one row, one line. How can I use a linear referencing system to interpolate a point ...
6
votes
2answers
1k views

Can Join be detected programmatically by ArcPy?

I have some Python code that is launched from within an ArcMap project. Any joins that the user may have created in the project must be removed in order for my code to run. Unfortunately, the code ...
6
votes
2answers
307 views

Can a folder connection in ArcMap Catalog window be added using Python?

I have created a set of general scripting tools for map automation, etc. In one of my tools a geodatabase is created in the workspace folder the script points to. Just out of curiosity, is there any ...
6
votes
1answer
116 views

Is setting the env.workspace var necessary for python add-in buttons in ArcMap?

I made a custom add-in for ArcMap (10.2 in my case) and was reviewing my code with a colleague. We're not sure if the setting the workspace is required in the code since the button's script is only ...
6
votes
1answer
390 views

How to draw shapes with highest possible decimal accuracy

I am trying to read input of lat and long to draw the shape based on condition.The input is standard array of lat and long with 15 decimal accuracy. I am realizing - I am loosing some decimal accuracy ...
6
votes
1answer
230 views

Is it possible to install ArcPy on a server for use in a geoprocessing web application?

I have a website on my intranet and would like to add some geoprocessing tools to it with Python. Many Users will not have Arc installed on their machines, so I think I need to have the scripts set ...
6
votes
1answer
3k views

Lidar - Automated building extraction (Improve Process)

I have the following process for automatically creating building outlines/footprints from Las files and was wondering if anyone can help improve it or has suggestions for other processes to use? ...
6
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2answers
2k views

Installing ArcGIS 10 with Python(x,y)

EDIT 10/20/2011: The problem I was having below was caused by trying to install Python(x,y) after ArcGIS 10. I got a new machine yesterday and instructed IT to install Python(x,y) 2.6.5.3 (has ...
6
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1answer
1k views

ArcObjects C#: Create Random Points fails with ERROR 999999: Error executing function

I am having trouble running some ArcObjects C# code that calls create random points. I would not be doing this in ArcObjects, but I am suffering with the same issue using Arcpy as seen here: ...
6
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2answers
3k views

Cannot get rid of lock on file geodatabase and feature class created in Python script

I have a python script, (for ArcGIS 10), that creates a new file geodatabase, creates a new feature class in that file geodatabase and then reads data from an SDE feature class to populate the new ...
6
votes
1answer
55 views

Ordering tool display within a Python Toolbox

I have created a python toolbox containing a number of classes which define the various tools within. As these classes are part of a workflow in which the tools are to be executed sequentially using ...
6
votes
2answers
107 views

How does the deactivate function of an ArcGIS Python Add-in Tool work?

I have not been able to figure out how the deactivate function of a Python Add-in Tool works in ArcGIS. The help page that mentions the function, and that it 'causes the tool to no longer be the ...
6
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1answer
362 views

Handle annotation layers with arcpy

I want to access annotation layers using arcpy (the purpose is to verify few text strings in text annotations). By annotation I mean draw tool annotations, not dynamic labels. These annotation layers ...
6
votes
1answer
352 views

Does arcpy have a method for accessing related records within a cursor?

I have a line feature class that represent sampling segments. I have a data table of field notes in the same Geodatabase that is connected to the feature class with a Relationship Class. Is there a ...
6
votes
1answer
878 views

ArcPy script causing python.exe to stop working (memory issue?)

I have a script written in Python that uses ArcPy to create maps of the kernel densities of thousands of datasets. Each dataset is relatively small, but there about 50,000 sets in total. When I run ...
6
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1answer
435 views

Using python, how do you “reload cache” an opened Attribute Table

Used python to update a shapeFile through cursors. The Shapefile is updated, but there could be an opened Attribute Table. Manually you can hit "reload cache" to update the Attribute Table and see ...
6
votes
2answers
833 views

Get shortest distance between two geometries in ArcPy

I'm using ArcPy and using a cursor to step through one polygon feature class. For each of these 'source' polygons, I am creating a SearchCursor to find all polygons in a second feature class that ...
6
votes
1answer
346 views

Accessing graph in ArcMap document using ArcPy?

I am trying to access an existing graph in an ArcMap document with arcpy. I know how to create a new graph with arcpy, but I cannot seem to figure out how to access an existing graph in an ArcMap ...
6
votes
1answer
479 views

Arcpy hanging on Linux

I am having issues getting arcpy to run correctly on Linux Red Hat. I solved some earlier problems which appeared to be related to permissions on the init_server file. Now that si resolved, when I ...
6
votes
1answer
444 views

ArcGIS Desktop 10.1 SP1: how to install/use additional Python modules?

I'm currently working on a project where I have to identify geomorphological features in a digital elevation model. Since the aim is to have a single ArcGIS Toolbox integrating all processing steps in ...
6
votes
1answer
739 views

How to add layer with ArcPy and retain feature class metadata (like Credits) in layer properties?

I have multiple feature classes in a geodatabase, each feature class has metadata including a Description, Credits, and other information. If I use the 'Add Data' button in ArcMap 10.1 to add one of ...
6
votes
1answer
305 views

Changes in synchronized replica not shown in ArcMap or ArcCatalog without refreshing

I am synchronizing a one-way replica in ArcEditor using Python. I tried adding RefreshActiveView and RefreshCatalog to the code, but I still need to refresh the synchronized database to see the ...
6
votes
1answer
1k views

arcpy: Compare extents of rasters

I am writing a script that takes an input of an Area of Interest (AOI) and then walks through the base directories to find any file that has an extent that intersects with the AOI, clip it and ...
6
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1answer
631 views

ArcGIS 10 Linux experience

We have ArcGIS 10 installed on a nice clean Linux box. We have developed scripts to run on the Windows desktop development machines, and modified them to run on Linux. Now, if we run the scripts on ...
6
votes
1answer
189 views

What percentage of ArcGIS users are using version 10.1 already?

I'm planning on building an add-in using ArcPy, but some of the functionality I need is only available in 10.1. I want to distribute this add-in and was wondering if making it 10.1 only would limit ...
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0answers
401 views

Land Classification with Spectral Python (SPy) [closed]

Does anyone have experience working with the Spectral Python module for land classification? The following k-means clustering example takes an iterative approach to classification through pixel ...
6
votes
1answer
238 views

Generate ArcGIS spatial bookmarks from feature envelope

Curious if anyone has some code that would rip through a feature class and generate a spatial bookmark for each feature's envelope. You could define a field in the feature to be the bookmark's name.
5
votes
6answers
452 views

How to divide a feature class into ranges?

I have a shapefile consisting of around 4000 polygons. The polygons are created from buffering around a similar number of islands somewhere in the Norwegian archipelago. Due to an error in the ...
5
votes
6answers
3k views

How to move / offset point locations using ModelBuilder or ArcPy

I have a number non-georeferenced CAD layers (see this question) that have text annotation features. I have created a model to convert the text to points, but after converting the annotation to a ...
5
votes
3answers
5k views

arcpy.MakeFeatureLayer in-memory layer still exists when subsequent step fails during testing

When I used arcgisscripting to create in-memory output layer with gp.makefeaturelayer, I would put it in a try/except block and delete the gp object in the except piece when the makefeaturelayer would ...
5
votes
1answer
2k views

How do I correctly use 'MultiValue' in Python script parameters?

My script works fine with a single feature class selected for clip_fc = arcpy.GetParameter(0) . However when I set clip_fc to MultiValue in the script properties and then select several feature ...
5
votes
1answer
2k views

Cast arcpy result as an integer instead (arcpy.GetCount_management)

I am trying to get a number by counting how many points are in a shapefile. And this works (I think), except I then am running into trouble using that number somewhere else. Eventually, I'll be using ...
5
votes
1answer
2k views

How to add feature class to MXD with ArcPy (Python)?

I am using ArcGIS 10.1 and I am trying to add a feature class that I create to an MXD, so that I can join to it. This all needs to be done using Python. Is this possible?
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3answers
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calculating a field in which null values may be present

I would like to calculate a field (short integer) using other fields (short integer) present in the table. In some cases these fields may have null values for one or more of the fields. For example, ...
5
votes
3answers
5k views

Remove lock on feature class

When i try to delete a feature class , after or during the use of an Arcgis engine app which uses the same feature class i got an error concerning the lock , so i can't get ride of this lock until i ...
5
votes
4answers
2k views

Exporting list of Feature Classes to CSV using ArcPy and Python?

I am successfully using the follow script import arcpy from arcpy import env import os env.workspace = ("WORKSPACE") fcList = arcpy.ListFeatureClasses() print fcList to export feature class names ...
5
votes
4answers
6k views

Field Calculator syntax

I can't get the syntax correct for a fairly simple if statement. Right now it looks like this: dim Output as Integer If [HECTARES] >= 30 AND [HEIGHT] >= 17 AND [CROWN] >= 59 THEN Output = ...
5
votes
1answer
162 views

Listing ArcSDE versions using ArcPy?

I have an ArcSDE geodatabase with different versions for each user. How can I list each version using ArcPy?
5
votes
2answers
1k views

How to implement bivariate Ripley's K function in ArcGIS 10?

The attached image shows a forest gap with red pine represented as circles and white pine represented as crosses. I am interested in determining if there is a positive or negative association between ...
5
votes
4answers
2k views

Automate Projection of multiple shp files using ArcPy

I have been trying to create a Python script that will convert all shape files within a folder from GCS WGS 84 to Web Mercator. Below is the code I have so far but what I'm struggling with is how to ...
5
votes
1answer
3k views

How to Export Selected Feature to New Shapefile Using ArcPy?

I currently have a search cursor iterating through a shapefile in ArcGIS 10.1 that selects a feature and runs a viewshed analysis on that feature (and only that feature). What's the easiest way to ...
5
votes
2answers
582 views

ArcMap Arcpy scripts: How to handle user password input?

I'm currently trying to write a script that has a username & password input which then returns some data if the user has appropriate access. The script works just fine when I hardcode my own ...
5
votes
2answers
316 views

Exit Python script in ArcGIS 10.0

I have a script with an bail-out function like so: def die(): from sys import exit exit() Occasionally in the script I check a condition and exit if necessary. This works great in 10.1, ...
5
votes
2answers
1k 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 ...
5
votes
3answers
1k views

How integrated can an IDE get for arcpy scripting?

I am looking to develop arcpy scripts (ArcGIS 10.1) in an IDE that is more "integrated" than Pythonwin. I would like an experience that is analagous to programming ArcObjects in Visual Studio ...
5
votes
2answers
1k views

arcpy.UpdateCursor for multiple fields

I've hit a wall trying to loop through multiple fields with arcpy.UpdateCursor. I have a list of files (2) with multiple fields (10-15'ish) that have its own error check in SQL, and an error value to ...
5
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2answers
3k views

ArcGIS 10 Python script to search directories and subdirectories for intersects and clip them

I'm trying to develop a tool that queries our company's data stores for any data that intersects a feature. So when we acquire a new property we can run this tool and it will find all of the data we ...
5
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2answers
2k views

Frequency, summarize tool options of ArcGIS for Desktop?

I'm looking for some general frequency, summarize tool. What I basically want is some tool like the summarize tool in ArcGIS (right click in the attribute table> summarize) that runs on all attributes ...
5
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1answer
1k views

How to check whether a fc is registered as versioned or not using python

How can I check whether or not a feature class is versioned using python? I'm trying to register feature classes using a python script. Before I do this I need to check whether a feature class is ...
5
votes
3answers
957 views

arcpy taking longer and longer in a loop

I am looping through an amount of point arrays, creating data on the fly. The features/arrays, are largely similar in size. One thing I have noticed, is that when I start the process, the time it ...