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

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26 views

ArcPy select and merge dropping records from table?

I'm working on a python script for ArcGIS using the arcpy module. I have ArcGIS 10.1 and Python 2.7 on Windows 7 machine and using Notepad ++ and IDLE to run it. The script selects specific records ...
0
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4answers
50 views

Using Arcpy, how can I determine min and max elevation from a raster DEM layer within my current extent?

Using Arcpy, how can I determine min and max elevation from a raster DEM layer within my current extent? I'm currently using Data Driven Pages to centre the layout on each feature extent. I need to ...
0
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0answers
17 views

CreateObject cannot open map document error when cycling through list of MXDs

I have a stand alone Python script that aims to make a list of data sources from a series of folders/sub-folders full of MXDs. However I am continually getting the: CreateObject cannot open map ...
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1answer
40 views

Using a Search Cursor with a list

I'm hoping someone knows the answer to this as I am pretty new to Python. What I'm attempting to do is create a list of .dbf tables using a wildcard which I've managed to do. From there my goal is to ...
1
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0answers
33 views

arcpy.Describe.extent not working [closed]

I have a script using ArcPy that I used a year ago and calculates the extent of all the features in a shapefile: # -*- coding: utf-8 -*- import arcpy from arcpy.sa import * import os, os.path ...
0
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1answer
64 views

Summing column values in table using arcgisscripting?

I need to create a python script that sums a column's values in a table. Thereafter, the script is supposed to get the percentage of each individual row in that column and populate this percentage ...
1
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0answers
26 views

How to check if layers in a dataframe with Arcpy

I working on mxd (I work with ArcMap 10.2.2 & python 2.7.5.) that have 100 layers. I'm trying with python script to add layers to dataframe and check if the layers are within the dataframe. if it ...
2
votes
2answers
49 views

Duplicating polygons in Layer using ArcPy cursors?

I am trying to Duplicate some polygons in the same layer with the same attributes, But it will duplicated them with Null Geometry, i have tried getValue() method, but i got error import arcpy ...
0
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1answer
59 views

Create polylines from point array Python

I am working on building polylines from an array of points I have created from a csv file and am completely lost in building the lines. My code works as follows: I have the point array working, I need ...
2
votes
1answer
73 views

How would I group values in a field based on range of number using python, and then update the attribute table?

An example of what I'm trying to accomplish is described below, however they don't describe how to use the data update cursor to update the attribute column. data - Group values based on range of ...
2
votes
2answers
36 views

ArcPy Feature To Line failing on 'large' datasets?

I knew that FeatureToLine had issues with large datasets and I have seen other questions revolving around the same error, but I am completely baffled by this. Basically, this function works perfectly ...
1
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2answers
76 views

How to merge dbf files(zonal statistics as a table) in GIS environment.?

I am not very savvy at using Python. Actually I have around 1000 output files from using the tool zonal statistics as table in ArcGIS. The names of the files are jan_60, feb_60......dec_13. These all ...
0
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1answer
34 views

Spatial ETL Tools won't run “AttributeError: 'module' object has no attribute, etc.”

I have a python script that runs 5 Spatial ETL tools that I wish to run as a scheduled task. Each of the tools will run successfully from ArcCatalog and also from the ArcCatalog Command line. If I ...
0
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0answers
23 views

Unable to load shapefiles fully using shapefile.py

I am trying to load my shapefiles directly via Python rather than loading them from Arc Catalog to ArcMAP. I load these modules first: import sys import os import arcpy import numpy Then I add a ...
0
votes
1answer
46 views

Updating file geo database table

I have an input csv file that I process using a python script and generate a new output csv file. I then, in the same python script use Table to Table (Conversion) in order to store the data from the ...
1
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1answer
40 views

How do I output PolygonNeighbors into a special format?

I need Polygon Neighbors to give me data in a specific format. Every polygon should have its own line in the output. Take this, for example(it's obviously not ArcGIS formatted, but it serves the ...
0
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1answer
29 views

Clip a shapefile based on raster extent with high accuracy

I am trying to clip a shapefile based on the extents of a smaller raster. I find the extent of the raster using this code: Extents = arcpy.sa.Raster(MyRaster).extent` Then, I use these lines to ...
0
votes
1answer
51 views

Iterating shapefiles using ModelBuilder or Python?

What tool can I use to run many shapefiles to intersect with a shapefile as a output? It looks like that Iterate tools is use for feature classes or datasets and I don't see any for the shapefile. ...
0
votes
1answer
25 views

Setting Layer Properties Using ArcPy

I am writing an ArcPy script that creates a Point Density Raster file, and then changes the following properties in the resulting layer: Symbology Classified Classes = 10 Classification Method = ...
0
votes
1answer
34 views

count attribute in raster

I'm trying to calculate the total number of counts a raster contains using python script. When I ran the script, I didn't get any error. However, I also didn't get the number of counts for each row in ...
1
vote
1answer
46 views

sum count column in raster attribute

I am a beginner to python coding in GIS. I want to calculate the total number of counts in raster attribute table. In order to do that: I would like to build a attribute table of raster data use a ...
3
votes
2answers
40 views

Importing external bookmark (.dat) files into many MXDs using arcpy?

Does anyone know any python script to use for arcview to import a bookmark (saved as a .dat) that was created and saved externally using ArcMap? I tried with this script but without a result: import ...
0
votes
1answer
39 views

Converting Raster datasets into layers using ArcPy/ModelBuilder?

I am new to ArcGIS and ArcPy (just started using them on Wednesday). I am using a model to create a Point Density plot from a Shape File, with the output being a Raster dataset. I want to ...
2
votes
3answers
120 views

raster area calculation using python script

Hi I am a beginner to python programming in GIS and am trying to calculate the area of a raster. When I ran the program, I got error message below. I am also providing my code. Any help would be ...
1
vote
1answer
51 views

Writing multiple file geodatabase tables into csv file with arcpy

I was asking a question about Merging geodatabase previously, (link: Merge from arcpy.ListTables() producing duplicate rows?) and although the script worked, it took more than 9 hours to run when ...
2
votes
1answer
83 views

calculating zonal statistics of raster data in multiple overlapping zones and combining them into one table

The aim here is to calculate the max, min, mean, range, sum, count and std of raster data contained in areas delimited by polygons (much like what the Zonal Statistics as a Table tool from Spatial ...
0
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1answer
41 views

Creating new layers using ArcPy to define Definition Query for each field value?

I am trying to set multiple definition queries for one layer based on one field using python. ie. I have a City layer with a field that holds the city name. I want a copy of the layer in an MXD ...
0
votes
2answers
19 views

Making fields added to attribute table appear without closing/re-opening? [duplicate]

I'm using ArcPy and am experiencing some troubles. I added some fields to an existing arc (coverage) but then do not appearing in attribute table. Only when i close arcgis and reopen the fields appear ...
4
votes
1answer
96 views

How to cancel tool execution in python

I've written a python function that calls a tool (Import CAD to GDB) in a loop. When I run it I have seen that it hangs sometimes, and I have to force the script to quit. I am wondering if there is a ...
1
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0answers
50 views

Debugging ArcPy script to search, get value, compare to field names and sum field values?

`I am looking to do the following task: Look at the values in RegID_6k99 field (numerical field). Select all records where "RegID_6k99 == 0". In this case 6 records should be selected. For each of ...
2
votes
1answer
24 views

ArcPy Empty Buffers

I have written an ArcPy script to process a DTM into a point feature class to be used in Landform classification and ranking. It successfully produces what I need most of the time. Randomly the ...
1
vote
2answers
26 views

What's the best way to get the OBJECTID name?

What's the best way to get the OBJECTID name of a feature class? I know you can use "OID@" in a cursor to get the field, but can you get the name from that as well? I'm writing a script, and need to ...
0
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2answers
63 views

How to copy attribute table values from one feature class to another

I am looking for a way to copy attribute values from one attribute table to another. I am mainly looking to do this using python, so would prefer a way to do this with a tool or a a stand-alone python ...
0
votes
1answer
42 views

Arcpy Subtracting rasters error - TypeError: 'unicode' object is not callable

I have a script which subtracts 2 versions of the same raster from each other (one newer than the other) and then extracts the additions & deletions that have happened. I created a simple test ...
-1
votes
3answers
38 views

ArcGIS arcpy code fails in Toolbox mode

This code executes correctly in Python window but fails with ERROR 000732: Input Table: Dataset JHJ does not exist or is not supported # Import ArcPy and other required modules import arcpy ...
1
vote
1answer
62 views

How to get the name of a subtype field in a feature class in Python?

I have a geodatabase with many feature classes. Some of the feature classes have subtype fields. Their names vary feature class by feature class. I now want to find the names of those subtype fields. ...
1
vote
1answer
54 views

ArcGIS 10.1 arcpy Update Cursor is returning a list instead of a row

I keep getting the following error: Traceback (most recent call last): File "R:\GIS_ScriptsandTools\PullHotParametersLabel.py", line 16, in TitleLine = ""+row.getValue(IDfield)+" ("+ ...
0
votes
3answers
31 views

FeatureClassToFeatureClass_conversion in ArcGis 10.1

I have many > 60 .dwg files I want to convert just the polyline parts of these and have put together a list of python commands using excel to get something like this: However when I try running ...
1
vote
2answers
33 views

Filter by quantity / query in ArcGIS

I have some data stored in a CSV file containing name and date ranges. For example: ID | Name | Start | End | X | Y ------------------------------- 1 | Test | 2014 | 2015` | ... | ... | 2 | ...
0
votes
1answer
60 views

Executing tool comes back with an error arcpy.JoinField_management

I have this script snippet, written by Aaron. import arcpy import os #set workspace arcpy.env.workspace = "C:\\Users\\lambioch\\Documents\\Wetland\\New_Folder" #in the folder "New_Folder" is a ...
2
votes
1answer
225 views

How to change value of an individual pixel using arcpy?

I want to change the value of an individual pixel in a raster using arcpy. The code I wrote for changing the value is below, but it changes all of pixels in my raster. How can I set an individual ...
2
votes
2answers
55 views

Check if a single feature is completely within another (arcpy)

I have a feature class that contains one polygon feature, and I need to check if said feature lies completely within another polygon feature. Used selectLayerByLocation and then retrieved the count ...
1
vote
1answer
72 views

Iterating over all features in featureclass to intersect them individually with polygon using ArcPy?

I've got a point featureclass, and I'm trying to individually intersect each feature with a polygon featureclass to get some information about which polygon each feature is in. I did one intersect ...
1
vote
1answer
29 views

Intersection of two polyline geometries not returning expected coordinates?

T2B = arcpy.Array([arcpy.Point(1,2),arcpy.Point(-1, -2)]) L2R = arcpy.Array([arcpy.Point(0, 2), arcpy.Point(1, -2)]) L2R_line = arcpy.Polyline(L2R) T2B_line = arcpy.Polyline(T2B) cent = ...
1
vote
1answer
40 views

Python Toolbox (.pyt) Tool Output Layer Name

How can I manipulate the TOC display name of my output parameters when using a Python toolbox (.pyt) Tool class. I tried adding a symbology layer, however this has no affect on the TOC name. Is it ...
0
votes
1answer
38 views

Script never finishes and throws no errors. Creates lock on file until restart?

I have a simple script that gets all layers in a gdb and uses them to clip a DEM. What's happening though is it starts the clipping but never finishes and after killing the process I am unable to ...
4
votes
5answers
327 views

Dissolving polygons fails on computers with small amount of RAM

When I'm trying to dissolve a polygon through an arcpy script the operation fails with the 999999 error on computers with small amount of RAM [~3 GB] (known issue). Unfortunately neither this, that ...
2
votes
1answer
62 views

forLoop & joinField & different names

I have a folder with an output (shapefiles) from an iteration. On this output, I want to perform a join between two attributetables. So far so good. Here comes the tricky part. There are different ...
2
votes
4answers
75 views

How to set a minimum point snap distance?

There are two points: A and B. I need to snap any points within a 65 m search radius (blue buffer) of point A. However, the snap distance of B needs to be exactly 5m apart from A (i.e. located ...
1
vote
2answers
64 views

Error in Select Layer by Location python script?

I keep on getting an error on Select by location that the file cannot be found and the inputs are invalid, but I can't figure out what I'm doing incorrectly. I realize some of my variables ...