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

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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 ...
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1answer
3k views

Delete layer from ArcMap using Python

Problem: I'm trying to loop through all my layers looking for layer named "CADAnnotation". If the layer exists then remove the layer from the mxd Notes: Running from Stand-Alone script (ie. NOT ...
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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 ...
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4answers
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Creating perpendicular snapped polylines between an existing point and polyline using arcpy

Here's my situation - I'm working on a project that requires 20,000+ short connector lines be created, each drawn from a point to a snapped location on a nearby polyline such that the resulting ...
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3answers
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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 ...
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1answer
7k views

How to access data from a selected feature in ArcGIS 10?

First to describe my problem as I see it. I've been asked to design a tool that will take a selected features attributes and copy it out to an output table, with each successive selection and ...
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2answers
572 views

Download data via a ftp server using polygon features

The attached script loops through the features of a polygon featureclass and uses that attribute information to download particular files via a ftp server. The script works great for downloading ...
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1answer
1k views

How to check if feature class or table contains field with specific name before adding it?

Im trying to write a script that finds out if the shapefile has a specific field and if not to add the field. I get it to show me the field, but the loop goes through each field, so it would create a ...
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2answers
791 views

Python Script to convert a mass of KMLs to a single fGDB

I have a mass of KML files, approx 350+ that I need in a single fGDB. I lifted a string of code from ESRI help to attempt to do this - I got it working to the point of creating all the individual ...
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2answers
661 views

Correct usage of a counter using arcpy.da.UpdateCursor

In the Python code inside a Calculate Value tool in my model, I have the following: getNum("%Selected Features%") def getNum(ftr): lst = [4, 11, 15] #values for SQL expression x = 20 fields ...
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1answer
100 views

Is there any restriction on file size while using arcgis tool box or arcpy methods

I am working with ArcToolBox's tools and their python supports. I found there is some restriction on file size of shape files/feature classes etc. It makes me interested to know about is there any ...
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2answers
922 views

arcpy - how to check if a domain contains a particular coded value?

How can I check if a domain contains a particular coded value? How to check if domain already exists? shows how to verify whether a domain exists in a geodatabase. However, I can't see how to check ...
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1answer
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Is it possible to sort an arcpy.da.UpdateCursor()?

I have an ArcPy Data Access update cursor that I would like to sort before making updates to it. The cursor makes updates if I don't sort, but if I add a sort to the cursor I get an error, ...
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1answer
1k views

Move .SHP from .MXD to gdb [duplicate]

Possible Duplicate: How to move SHP to gdb with ArcView license? Let's cut it short, I have numerous mxd with layer coming from .SHP and various servers WMS that I need to move to a gdb. ...
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2answers
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Use arcpy.mapping to list broken data layers?

I want to list all the broken links in all mxds in a server drive. But whenever I try I get an error come up. Can someone use a specific example, say the drive is D drive, how would I put it into ...
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1answer
601 views

Determining ESRI File Geodatabase release version?

Is there any method in Python, ArcObjects, or the File GDB API for determining the release version (9.3, 10.0, etc.) of a file geodatabase? There is a need to find all of our shared 10.0 version file ...
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1answer
300 views

Pause ArcPy script until feature class lock goes away

My script needs to copy data into a feature class to an SDE geodatabase that might have a lock on it from another application. I shouldn't break the lock (that app has priority over a data update), ...
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1answer
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Is there a way to use ArcPy module in the python shell that is not with ArcGIS?

I have ArcGIS 10.2 installed on my machine. When ArcGIS was installed, python 2.7.3(32 bits) was also installed. I need python 2.7.5 64bits for some gdal functions. So I installed python 2.7.5 64bits ...
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1answer
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How to select specific row in attribute table using ArcPy (without iterating through whole table)?

I am using ArcGIS 10.2 and have assumed until now that it is possible to select a specific row in an attribute table. However, I can't seem to find a way to do this. The only available methods seem to ...
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1answer
403 views

Where can I find ArcGIS logs when I execute a python script using arcpy?

I'm executing a python script locally on my computer where ArcGIS Desktop 10.0 is installed (Windows 7). The script uses functions from the arcpy library installed with the ArcGIS Desktop to manage ...
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1answer
667 views

“Sequence size” doesn't match row in Python?

Essentially I am trying to calculate a value for a couple of fields after adding them. Below you can see how I am adding the fields and then an example on how my "for" statement is looping through the ...
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3answers
437 views

Is it possible to run the address locator in ArcGIS via Python?

I have a question regarding the address locator in ArcGIS. It is possible to create an address locator by using Python, but is it also possible to run an address locator via Python? This means, is ...
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1answer
2k views

How to Make a New Shapefile Based on Attributes of an Existing Shapefile?

In my last post I had an issue where I wanted to create multiple shapefiles based on only one attribute field (years). How to do it was answered in that post. I want to make that tool more dynamic so ...
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1answer
476 views

Good practices for storing connection info while deploying geoprocessing tool on Server

I have a geoprocessing tool written in python. It will be deployed on ArcGIS for Server 10.1 as a GeoProcessing Service and it's processing workflow includes some manipulations with data in SDE ...
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2answers
869 views

Problem with the where clause in ArcGIS when dealing with variables

I am writing a python script for ArcGIS. I have an input feature class which contains multiple pipelines which is saved as a variable InputPipeline. I would like to iterate through the pipelines and ...
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2answers
235 views

Using newly created features in the next part of a python script

Good Afternoon I am trying to write a python script which buffers a large number of features from a geodatabase (but not all) and then dissolves the newly created buffer shapefiles together. ...
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1answer
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How do you add a long list of rasters together in Python?

If you have produced a long list of rasters (lets say 50) and want to add them together, is there any shorter way to write in python rather than typing all the inputs, like so: outRas = inRas1 + ...
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2answers
3k views

How to create reports in ArcGIS using Python?

Does anyone have experience in creating reports from your ArcGIS data (geodatabase, map exports) using a python reporting engine? In my current project, we are using Jasper Reports in the following ...
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2answers
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Calculating slope cell-by-cell in ArcPy

I am relatively new to the ArcGIS-Python environment and want to calculate elevation raster slope. But it says "ValueError: setting an array element with a sequence". Below code is what I have. Any ...
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2answers
7k views

How to sort a feature class and then calculate a sequential ID field?

I am in ArcMap and I want to sort the records based on a field and then do a Calculate Field with an auto-incrementing value with the sort in-place. Any ideas? It looks like I could get an update ...
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4answers
8k views

How to use Arcpy UpdateCursor to update a field?

This should be simple but I've spent days trying everything to get it to work. I need to update a field in a layer based on two other fields. I can't even get it to update based on one field. Could ...
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How to setup PyCharm to reference ArcPy?

How would I setup PyCharm to recognize import ArcPy? I'd like to use PyCharm to develop and debug geoprocessing tool.
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How do I calculate a weighted centroid with respect to a raster, e.g. population weighted centroid

In ArcGIS 10.0, how do I calculate the weighted centroid of a collection of polygons, where I want the weight to be a raster layer. In particular I am using a raster of population counts and would ...
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3answers
1k views

Resequencing Legend Items using ArcPy?

I create various layers programmatically using ArcPy. I can adjust how the layers are sequenced using the arcpy.mapping.MoveLayer command. However, I want to have the legend reflect a different ...
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1answer
142 views

Cutting a circular buffer via Arcpy

I am currently working with compressor stations on centerline routes. These compressor stations have a 3 mile buffer surrounding them. I wish to cut a portion of the circular buffer off. These cut ...
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2answers
252 views

Arcpy: Names and distances of nearest intersecting roads in layer 1 to end points of a road segment from layer 2

As shown in the image below, I'd like to return a new field in layer 2 that for each segment stores a string:"Road C, 1 km from Road A to 0.5km From Road B". Calculation of the distances could be ...
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1answer
402 views

data driven pages format

I have an issue, but I don't even know the terms needed to search for an answer. I'm exporting the pages to png files. The pages are divided by lots. Each page has a label with the lot number. In ...
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5answers
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How to add Radio Buttons to Python Script tool dialog?

I have 3 Point shapefiles for 3 species that contains the accession points of each. The user needs to specify only one species at a time. I need to write a script tool for adding the selected Point ...
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1answer
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How to find and delete identical points?

I recently performed Integrate on a merged point feature class in ArcGIS 10.1. I specified "1 meter" XY tolerance for the Integrate command. The resulting point feature appears to be what I want ...
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1answer
433 views

Error using con in Map Algebra in Python script

I am experiencing a painful problem in the middle of a Python script I am writing. When I get to a Map Algebra function, I have tried two different options and both return a different error. At first ...
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3answers
5k views

How to create lines from points pair coordinates with arcpy?

I've got some points pair coordinates (start and end points) which I have to transform into lines. Until now, I used an append of both the coordinates in a pippo.Point(), a pippo.CalculateGeometry() ...
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2answers
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Arcpy - How do I specify the precision and scale of a new field?

I'm wanting to create a field with a maximum of 1 decimal place and then calculate a value into it: (I know that all my values are < 10) arcpy.AddField_management('C:/shapefile.shp', 'myField', ...
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2answers
1k views

How to check if domain already exists?

I am trying to check the existence of domains in my file geodatabase which contains 4 domains (automatically populated after I created some annotation feature classes). My code is as follows: import ...
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2answers
823 views

Create a polyline buffer with Arcpy

I'm trying to write a python script with ArcPy that draws arcs and I've achieved something with creating a buffer and then clipping it with a bounding box so I only keep the length I need (I thought ...
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1answer
2k views

ArcGIS License - ArcInfo level license set during python script execution vs via Desktop Administrator

We have an ArcInfo floating license available. Can I check out an ArcInfo level license via arcpy. Here, from the arcgis help, it says you can import a license level for stand-alone scripts. If a ...
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3answers
607 views

How not to Copy Features when too many would be output?

This question has already been posed to the ArcGIS Geoprocessing forum but I have had no responses there. I have a 3.5 million polygon layer (cadastre) stored in Oracle via ArcSDE. I use a polygon ...
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3answers
5k views

Select Layer By Attribute using loop

I have 273 features in the feature class and i want to select them one by one and use the statement in the following code. At the line: *arcpy.SelectLayerByAttribute_management ...
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2answers
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Using SearchCursor to access & export values in a raster table

I am desperately trying to export the values in a raster table to a .txt file. I've seen some other folk post about this, but for some reason can't get the code to work in my case. I have a raster, ...
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1answer
5k views

Arcpy cursors, WHERE clauses, and date/time fields

I'm having trouble making a selection of rows that meet certain date criteria using my arcpy.UpdateCursor(). I need to update records in a field in a geodatabase table with an ascending value based on ...
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1answer
2k views

Create a definition query for groups of layers: Is it possible?

I have a large number of groups created, with each group having many layers. I have looked for a way to set a definition query for all the layers in each group but haven't found anything. Is it even ...