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

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1answer
787 views

Using ArcPy to set field values for all features within each polygon of separate feature class?

I am trying to set a field value in one feature class (TRU) based on the value of a field in a separate feature class (DerivedBoundaries) that contains the first, using python in ArcGIS 10.1. I have ...
2
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2answers
331 views

arcpy.mapping.AddLayer invisible layer

I'm having a bit of a problem with a script on a particular machine. ========================================================== import arcpy,sys class AddLayer(object): ''' classdocs ...
4
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1answer
1k views

How to List field name aliases in ONE shapefile/layer using ArcPy?

I want to use arcpy/python to print out a list of all the field name aliases for a specified shapefile. So far I have been able to hack a script I found to list all the field name aliases associated ...
5
votes
1answer
3k views

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 ...
8
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1answer
178 views

The role of '#' in a python 'if':

I recently exported an ArcGIS model to python and was reviewing the script and am confused by the following line: if TRU_W_DatableFeatures == '#' or not TRU_W_DatableFeatures: I can't seem to find ...
3
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2answers
697 views

How to filter out multipart polygons and then buffer?

I've written a small script trying to accomplish the task described in the question title. It basically looks like: in_fc = '...' # Some shapefile goes here # Get the fields (column names) of the ...
5
votes
1answer
197 views

Why Can't ArcPy Search the Newly Created Feature

I'm running the following tool in ArcGIS 10. I have an ArcPy Script like this: import arcpy from arcpy import env env.workspace=r"C:/sde/lcimrl.sde" fc="SDE.ATTACHMENTS\SDE.attachment_points" fcRows ...
0
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1answer
843 views

ListFields (arcpy) not reading from layer

I have a very simple python script that opens an mxd from a folder and then loops through each layer, and finds a ObjectID field and changes the alias name. #setup import arcpy from arcpy import env ...
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0answers
95 views

Why does the method partCount in ArcGIS always give back a value of 1?

Does anyone knows why method "partCount" in arcgis version 10.0 always gives me back value 1, even when I have object with interniorring or multipart object? partnum = 0 partcount = feat.partCount ...
5
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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 ...
2
votes
1answer
114 views

How to get empty gdb using python

I have one gdb with lots of layer (~500) and to receive empty gdb I delete all records from layers. I Use deleterows / TruncateTable but for one layers take abaut 1-3 minuts. Is better way (faster) ...
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1answer
96 views

sa.fill creates NoData raster in standalone script ArcMap 10.0

I am trying to put together a geoprocessing workflow in Python, and I've hit a stumbling block with sa.fill. When run as a standalone script, the tool produces a raster composed entirely of NoData ...
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2answers
282 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 ...
4
votes
1answer
395 views

How to best organize files for a large arcpy script tool?

I am writing a lengthy arcpy tool and am working with multiple python scripts, simply for organization's sake. Everything runs well when I run it from the command line, but now that I am starting to ...
4
votes
3answers
2k views

Why does arcpy.ImportToolbox() not work in ArcGIS 10 (SP5) when calling custom model for topology?

I have an arcpy/python script using ArcGIS10 and using a custom toolbox and model. The toolbox has an alias of defaultTopo and my model within the toolbox is called AddRuleToTopologyModel. This model ...
2
votes
1answer
478 views

arcpy.AddMessage and codepage problems

Some times in my tools I need to output Cyrillic text via arcpy.AddMessage function. Previously in 10.0 it was very easy. I had .py file of the tool saved in UTF8 codepage. This code wrote messages ...
6
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3answers
250 views

Are there any open source Python modules compatible with arcpy that will allow complex SQL queries?

I am trying to handle string (non-geometry) duplicates in a large attribute table of a shapefile without having to convert to gdb and back or connect to a postgres db. I need to be able to use a count ...
4
votes
3answers
403 views

Is there anything faster than a cursor in ArcGIS to calculate records?

What is the most efficient (fastest) way to calculate records in a layer in ArcGIS? Is there anything faster than the Cursor in ArcGIS?
8
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1answer
2k views

Guidelines for organizing Python Toolboxes (.pyt) in ArcGIS

For one of my tasks I need to create a Toolbox with three tools (python scripts). Instead of ordinary tbx I've decided to write it as Python Toolbox (pyt). Everything is clear except the "good" way ...
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2answers
574 views

ArcPy and centroids/points shapefile?

I'm trying to create a point shapefile from a grid index polygon shapefile I created using ArcPy at ArcGIS 10.0 . I know this is simple, but could anyone give a few pointers out there. Here is what ...
2
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1answer
374 views

How do I select * rows of multiple columns in one query using Select by Attributes within ArcMap?

I am trying to convert a psql query string into arcpy formatting for an UpdateCursor where expression parameter: '''SELECT ...
5
votes
2answers
1k views

How to replace arcpy.CalculateField_management with an update cursor?

I'd like to replace this expression arcpy.CalculateField_management(bufferFile, "Shape_Area", "float('!shape.area@squaremeters!')", "PYTHON") with an arcpy.da.updatecursor. The reason for this is ...
2
votes
2answers
423 views

CopyRows_Management in ArcPy gives ERROR 000732?

I get the following error when running a CopyRows_Management with Python (ArcGIS 10.1): ERROR 000732: Input Rows: Dataset \MyConnection.odc\MyTable does not exist or is not supported Here is the ...
0
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0answers
155 views

Can I do full SQL expressions through the “WHERE” clause in UpdateCursor?

Run as a standalone python script for a shapefile in a toolbox on ArcMap. For example: psql_url_pop = '''SELECT shapefile.NAME_# + shapefile.WIKI_URL FROM public.shapefile''' rows = ...
5
votes
1answer
418 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 ...
4
votes
1answer
352 views

Is it possible to run an arcpy execute SQL method without connecting to any database or server?

I want to simply process a layer by writing a tool script in a toolbox without having to connect any database, so I think I may have to set up a workspace environment in ArcMap, but I'm not sure if I ...
1
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1answer
669 views

How to use python to export ArcGIS Server Map Service Properties?

What arcpy module can I use to write a python script to mine for fields of my map service properties and export them to a .tx file? I assume we need to tap into GIS Servers within the ArcCatalog ...
4
votes
1answer
306 views

How to join MySQL data with GIS data using arcpy?

Here is my problem, I have a MySQL database with table in it that has 4 columns: ID, Owner, Address, Legal. And I also have an ArcGIS GDB that has a parcel layer that has in it a PID field. I am ...
3
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2answers
812 views

How to draw rectangle to clip layers using python addin in ArcGIS 10.1?

I want to clip rasters in data view using interactive rectangle (to define Area of Interest) and add them to current dataframe. Following is a piece of code which is not returning anything. Any ...
1
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0answers
254 views

Clipping .mdb in place and schema locks

I have an .mdb with a feature class that I want to clip in place - that is, I want to clip it with another polygon, and then store the results back in the original .mdb. I am doing this with arcpy. My ...
11
votes
2answers
6k 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 ...
5
votes
6answers
497 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 ...
2
votes
1answer
344 views

NEAR_3D function without the need for 3D Analyst, Arcpy

I am looking for a python script which would do similar as the ArcGIS 3D Analyst NEAR_3D function. Basically I would like to programatically in python find nearest points of one point feature class ...
4
votes
1answer
224 views

How to set page size in Arcpy?

It is possible to set Page size in arcpy, i'm looking for any tricky way to set the page size, using pure python or Arcpy. Thanks in advance
2
votes
1answer
225 views

custom dialog box for data and options settings

I want to design a custom dialog window where i can select various datasets of choice using scroll down option and specify some conditions and thresholds. Right now i am using python addins within ...
1
vote
1answer
377 views

pythonaddin button return value

I have asked this question a while back but within arcgis environment without using addin. Now i am trying to do the same task to get pixel value when user click anywhere on screen, to use in later ...
4
votes
5answers
930 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 ...
3
votes
1answer
170 views

Enabling ArcSDE Archiving with Python and C API using ArcGIS 10.0?

I have a script that does some register as versioned and updating privileges. How would I call into the c api for ArcSDE to enable archiving with python? ...
4
votes
2answers
1k views

How to get an extent for Raster using python

I have to get an extent of a given raster so that I can save it and use the same to clip another raster with that extracted extent. As of now I am stuck in the extent part. import arcpy from arcpy ...
6
votes
4answers
1k views

Arcpy's replaceDataSource Error

I've checked the other answers here and none of the answers worked for me... It's a "simple" matter of finding a layer by name in a map and changing it's datasource. Here's my script: #-- New ...
14
votes
5answers
377 views

Working as a Python Development Project Team with ArcGIS?

We have a development project in Python (ArcGIS 10). This project involves a mixture of toolboxes, map templates, layer files, file geodatabase templates (acting as templates being imported into a ...
6
votes
2answers
531 views

Error 000725 message from output workspace when using Python (ArcPy) script tool?

I am having trouble running a script tool that I just created in Arc 10.1. The script runs fine in PythonWin, but when I create a script tool with it, the tool seems to not want to accept folders or ...
3
votes
1answer
684 views

Automate removal of duplicate polygon nodes from shape file in Arcmap

I have a whole lot of polygon shape files, many of which have got duplicate nodes. This makes processing difficult as almost all tools (erase, union, calculate area) do not work. I found that by ...
5
votes
1answer
81 views

Is there an arcpy equivalent to IPixelBlock in ArcObjects?

Trying to figure out a way of doing this via arcpy, but don't see anything remotely related to this. My raster dataset is a GRID. 'pPixBlock is an IPixelBlock 'sets raster to be one column ...
2
votes
1answer
186 views

TileCache error when using import arcpy [closed]

I recently ran the 10.1 sp1 and my scripts stopped working. I can't even right click on the scripts and check properties without the following popping up: InitializeParameters Syntax Error: Runtime ...
3
votes
1answer
237 views

pair value comparison to generate new raster using arcpy/python

I want to write a function which takes in two arguments (from two rasters) and compare those 2 values against a set of hard coded pair values inside function. Then return a value which i want to use ...
3
votes
2answers
183 views

Error with publishing Sort tool on ArcGIS Server 10

I have a model that has one tool (Sort), works fine on desktop. When I try to publish get this error. Geoprocessing service initialization failed. Invalid parameter: Tool - General Sort : Parameter ...
5
votes
1answer
670 views

How to use a search cursor on a joined table in ArcMap?

I'm struggling to get a search cursor to work on a joined table view. I've used search cursors before, but never on data that has been joined. Arcpy keeps saying that some of my joined fields don't ...
5
votes
3answers
2k views

Table to table script using Excel sheets (not workbooks) arcpy

So what I'm trying to do is to create feature classes from the sheets in an Excel table. I can get it to work if I save each excel sheet as its own workbook, however this isn't really what I want. I ...
7
votes
4answers
2k views

Insert points into SQL Server?

I am collecting X and Y values from a web service (Twitter) via a python script. In the long run, this will run over a period of months and I intend on stopping at around the 6 million point mark. ...