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

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3 views

Iso Cluster tool in script failing to open clip raster

I have been coding in Python for only a few months, so maybe I'm just overlooking a minor detail as a newbie. I have written the script below for a class project. It is supposed to clip two rasters, ...
8
votes
2answers
106 views

How is the data access cursor performance so enhanced compared to previous versions?

The data access module was introduced with ArcGIS version 10.1. ESRI describes the data access module as follows (source): The data access module, arcpy.da, is a Python module for working with ...
1
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1answer
21 views

How to use the 'if' function to set field value based on various other field values

I am trying to populate a field with a value from another field in the same row, the condition I have set for this to take place is if a third field is equal to 0. In order to achieve this I have ...
3
votes
2answers
246 views

Multiprocessing issues with ArcPy

I am using ArcGIS 'watershed' routine in a script which makes use of multiprocessing. This works fine, but during execution I get the message: Unable to remove directory. Possible causes: 1- Not ...
0
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1answer
27 views

How to add multiple feature classes from TOC as input by Model Builder?

I am tasked to create a tool using Model Builder. The tool requires input of multiple feature classes that are added in the Table of Contents of ArcMap. The user will then be able to select multiple ...
0
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1answer
19 views

RESTful Geoprocessing Service Request returns empty Result object without errors

This is a bit difficult for anyone here to test as our ArcGIS Server 10.2 instance is behind a firewall. I'll try to present all the necessary information, but feel free to ask for more and I'll ...
1
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2answers
25 views

Debugging SQL in arcpy.da.SearchCursor RuntimeError: An invalid SQL statement was used?

I am going through a python script in arcpy 10.1 to Select a field value (i.e. NEAR_DIST) based on three condition as 1) NEAR_DIST<=radius(i.e.500 or anything from user input) 2) ...
1
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1answer
38 views

Create a table with open() in a loop using the SearchCursor and InsertCursor

I like to create a table with open() in a loop using the SearchCursor and InsertCursor, but I don't know how. Before I used a few geoprocessing tools to get a field for percent. The Attributtable of ...
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2answers
39 views

Error 000732 - input raster does not exist when implementing script tool arcpy

I am trying to implement a script tool in ArcGIS 10 that completes a few equations with raster datasets. I seem to be getting the same error no matter what I try: <type ...
1
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0answers
24 views

Calculating travel time from residential points to stores via public transit using ArcGIS for Desktop?

I don't know how to summarize it in just one title, but here is the problem: My goal is to calculate the travel time from residential points to stores via public transit. Basically this period of ...
2
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1answer
82 views

Map algebra for loop

I have never coded in Python before and I am trying to loop a simple map algebra equation across 365 rasters. I am trying to calculate total water flow over cells but in the raster I have a negative ...
1
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1answer
32 views

raster to polygon conversion

I 'm trying to automate the conversion of raster to polygon and the rasters files are in "TIF" format which is a "unsigned integer". I have the code below. However, I 'm getting an error while ...
1
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0answers
37 views

ArcPy Multiprocessing 000714 - Working in Debug Mode

In an attempt to render an interactive window via matplotlib I am using an out of process script in a toolbox. If I debug the script, it is possible to step through and render the window as expected. ...
1
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0answers
25 views

How do you duplicate a point within a shapefile using Python?

How do you duplicate a point within a single feature class using Python? I have a partial sample script below, but in a nutshell, I want to duplicate a point, copy it into the same shapefile, and ...
2
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2answers
30 views

Selection of lines that lays mostly in defined zone (majority overlap)

I have lines of surface runoff and I need to select the ones that are lying mostly in internal buffer of polygon. I'm trying to make some script in python, but it's very important to make the script ...
7
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2answers
180 views

Conflict between ArcPy and GDAL/OGR?

TL;DR I can't get an installation free version of GDAL/OGR to work from within ArcMap 10.0. I get an ImportError: DLL load failed on _mod = imp.load_module('_gdal', fp, pathname, description). ...
3
votes
1answer
226 views

How come “Zoom to Polygon” always puts me in the middle of Nebraska?

This is an issue related to this question I'd asked a few days ago. I've got that code working, to an extent. Every time, though, that I double click on one of the Polygons in the attribute table that ...
5
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1answer
2k 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? ...
7
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1answer
873 views

Inserting newlines in Rectangle Text elements via ArcPy causes overlap?

I ran across an issue the other day when I tried to use ArcPython's mapping module to edit rectangle text elements with newlines (\n) in an ArcMap document. Here's what the output looked like: ...
1
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1answer
43 views

Assigning field value based on location without join

I'm interested in updating a field in geodatabase feature classes based on their location in relation to another feature class in the geodatabase, but without having to perform a join (and therefore ...
0
votes
1answer
139 views

Polygon Neighbors Analysis script (ArcPy 10.1) producing erroneous results?

I'm struggling with a python script that is supposed to calculate a field for a polygon feature class. The calculation is of the average of a field value (P_TOT_DEV) for each of a given polygon's ...
1
vote
1answer
43 views

Why is arcpy.da.SearchCursor code giving AttributeError: 'int' object has no attribute 'split'?

I am new to python and am trying to get a string field in a geodatabase table to split and create a new row. Here is the code based on the solution from Splitting strings into new rows, retaining ...
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3answers
28 views

Using search cursor to determine renaming of feature class

What I am trying to do is create a list of shapefiles based on field name values. From there I would like search on 1 field (each shapefile will only contain 1 row) and if the value in that field is ...
2
votes
2answers
62 views

Using multiple wildcard parameters with arcpy.ListFeatureClasses

I know there has to be a way to do this but I'm having trouble figuring out how to do so. I would like to create a list of feature classes to perform operations on however, I want to have the list ...
2
votes
3answers
114 views

Loop with arcpy.ListFiles

I'm super new on here and have also not much experience with Python but I really like to learn to work with this language. I'm tying to write a script for this: I think I need a for loop instead ...
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0answers
25 views

How to Add Polyline ID when it is created from points pair coordinates with arcpy?

The following link provide me the solution except i need to add Line ID from "Line_ID" field in same Excel. I could not make comment directly on that link to "Chad Cooper" as I am a new user here: How ...
0
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2answers
26 views

Copying feature layers

I am trying to copy feature layers using the following code, but get no results. Can anyone help me understand why the code does not work? import os import arcpy arcpy.env.workspace = ws = ...
2
votes
0answers
29 views

Replacing double quotes in filename using [closed]

I am working with data in an SDE, when I create a new feature class within the SDE I get a file name which contains my user name in double quotes. I do not have administrative permissions to the SDE ...
1
vote
0answers
26 views

ESRI grid and info folder inside working directory

I have a silly question to ask. Using the below code, I want to extract a new raster from an original raster using value field and I want to automate the process for 70 more rasters. However, for ...
0
votes
1answer
80 views

How to write output from subprocess to disk (using multiprocessing)

This code was developed from another question I posted about how to kill an arcpy tool if it takes longer than a specified time. See How to cancel tool execution in python. Using the multiprocssing ...
0
votes
2answers
33 views

Error 000865 when using arcpy.ASCIIToRaster_conversion

I don't know what I'm doing wrong. I always get the error 000865 when using arcpy.ASCIIToRaster_conversion. I'm new and do not have much Python experience right now – so sorry for that. >>> ...
2
votes
1answer
375 views

Getting ValueError: max() arg is an empty sequence on a Python Script in the Field Calculator in ArcMap

I have a script that populates a FacilityID Field on a Attribute table in the Field Calculator but when I run the script below I am getting a error. EDIT: Python Script: def autoInc(): import ...
2
votes
2answers
382 views

Clip_management to raster extent outputs larger raster than raster extent

Using Python and ArcMap 10.0 SP5, I'm trying to reproject and clip a large input raster to exactly the same grid as a smaller target raster (same extent, pixel sizes and projection). The problem is ...
4
votes
2answers
77 views

ArcGIS Toolbox, parameters for python script not as positional arguments

I have an ArcGIS Toolbox with a bunch of parameters. A python script is used to perform some raster operations, based on this parameters. I am using Python argparse in the script to get the ...
0
votes
1answer
45 views

Type Error with ArcPy Update Cursor

filter = 'LinkID IS NOT NULL' cur1 = arcpy.UpdateCursor("ODDS_Links", filter) high_id = 0 for row1 in cur1: if high_id < row1.LinkID: high_id = row1.LinkID filter2 = 'LinkID IS NULL' cur2 ...
1
vote
1answer
26 views

Updating records in a table using GetCount and an Update Cursor

What I have is a buffer which is then used to select a number of point features which intersect the polygon. I would like to take that number and add the value to a table. The row where the value will ...
0
votes
1answer
37 views

Is it possible to create a standalone python script to export “layout” to pdf?

I have a python script that successfully runs from ArcMap 10.2. I was wondering if it would be possible to rewrite it so that it is a standalone script that prompts the user for the shapefile and then ...
2
votes
2answers
50 views

How to check whether an optional FeatureSet parameter was set by the user in a geoprocessing script tool?

I have created a custom geoprocessing script tool which contains an optional FeatureSet parameter. When unpacking the parameters in the script, the FeatureSet is defined as a RecordSet object, even ...
1
vote
2answers
56 views

Raster' object is not iterable

I'm trying to calculate the percentage of cell counts in new raster and the new raster is created from an old raster based on the Value > 14. In my code, 1st for loop is for original raster and ...
0
votes
1answer
21 views

Using TauDem Tools in Python (like Arcpy)?

This may be a completely ignorant question so have some patience. But is it possible to use TauDem tools within an Python (Arcpy) script as per the other tools in ArcGIS? When you look at the help ...
5
votes
4answers
289 views

How to split single address field into 4 fields (House No., Direction, Name, Suffix)

I have to do some massaging of our parcel data to make it usable by a program in sheriff helicopters. The program requires one of the following address formats within the fields: Our addresses are ...
1
vote
1answer
21 views

Using update cursor with list of shapefiles

I'm still pretty new to using cursors. What I'd like to do is create a list of shapefiles. Within those shapefiles I would like to populate a field "NAME" with the shapefile name less the .shp ...
0
votes
1answer
38 views

Updatecursor returns with 'variable not defined'

I am fighting a bit with the cursor function since this morning. Thanks to the help of the people here and some tutorials I found I got this far import arcpy arcpy.env.workspace = ...
0
votes
3answers
69 views

UpdateCursor 'is not defined' Python

I have several files (shapefiles). Table 1 has only one row with several fields whereas Table 2 has several rows. What I want is to take a value from Table 1 and populate all rows in Table 2. I used a ...
1
vote
2answers
45 views

Set parameter of field from number to string with python

since I realised python is a very useful tool in ArcMap I dont want to do any workarounds anymore. I have a field with is numeric, but I want to perform this calculation in the field calculator on it ...
7
votes
3answers
874 views

How to determine on which side of a line a polygon feature falls?

I have parcel data intersecting line data. In the parcel data there are some parcels that don't intersect the line. How could I programmatically figure out if the non-intersecting parcel is on the ...
5
votes
2answers
4k views

How to clip a vector feature to the extent of an existing raster dataset using arcpy

I have a clipped raster dataset with polylines (from the contour tool) overlayed (see attached). I am trying to clip the polylines to the extent of the raster dataset, which seems simple enough, but ...
1
vote
1answer
227 views

ArcPy error: Add Feature Class to Terrain. [closed]

I'm writing a script to convert lidar data (in .las format) into a terrain without going through all the clicking and so I can send it out to neighboring states with similar programs (I'm using ArcGIS ...
2
votes
1answer
39 views

Using get count with if statment

Pretty simple question though I am struggling with how to operationalize this, I want to rename a shapefile based on the number of features it contains. My initial thoughts are that I would need to ...
0
votes
3answers
417 views

arcgis python attribute error, object has no attribute [closed]

So I am very new to python and working through my first online course. Does anyone know how I can fix this error: ...