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

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4
votes
1answer
119 views

arcpy - ascii encoding error when updating field content in SQL Server table

I know there are plenty of posts and blog explanations about unicode errors, but I still can't figure out to handle it in my particular case. So here is my problem: I am writing a Python script to ...
2
votes
2answers
54 views

Running ArcGIS Data Reviewer using ArcPy?

I want to run the ArcGIS Data reviewer in Python code, to check domains. My scenario is check the attribute values if its meet the domain value. Is it possible to run ArcGIS Data Reviewer in ...
1
vote
2answers
51 views

Creating shapefile from selection - remove from map

I am iterating over a shapefile and creating a new shape from each row. I will be creating several thousand individual shapes and do not want to inundate my TOC with that many layers (I bet ArcMap ...
4
votes
1answer
61 views

How to extract certain values from a table using the SearchCursor Tool

I am trying to write a python script to extract certain values from a table: the table I am referring to is a big collection of nitrate values for different water depths, which are deposited in the ...
1
vote
2answers
61 views

Run FME Script in batch file using .NET

Encountered another roadblock. I have a working FME script that I want to automatically run using a console app. I created a simple batch file which accepts a MDB file path as parameter: fme.exe ...
2
votes
2answers
74 views

What is the most efficient method to iterate geoprocessing operations through an attribute table?

I want to calculate the clipped raster layer percentage for a shapefile consist of overlapping polygons, since ArcGIS doesn't support tabulate area for overlapping features, so I used a loop to ...
3
votes
0answers
41 views

ArcPy: Initialize zero valued grid Raster and iteratively increment

I'm jumping right into ArcPy to help out a friend who needs to automate some ArcGIS work. The problem at hand can be reduced to the following pseudocode: accumulationRaster = SomeZeroedRaster for ...
1
vote
0answers
35 views

arcpy: changing lyr data source (raster layers)

I am trying to create a lyr file for each raster file in a folder. To get exact same display settings I thought I would create a lyr file, then, using arcpy copy-paste it for each file in folder and ...
1
vote
1answer
37 views

Determining active layer regardless of its name using ArcPy?

ArcPy has a method of defining an active map regardless of its filename or path: mxd = arcpy.mapping.MapDocument("CURRENT") I wonder if there is a similar way to define an active layer. I need it ...
2
votes
2answers
135 views

Python Window Crash and import arcpy issue

Trying to do anything in the Python shell within ArcGIS 10.2 and it just crashes once I hit enter after writing code, no matter what I do. I've tried to uninstall, deauthorize, reinstall, ...
2
votes
2answers
55 views

Arithmetic on rasters with variable names in Map Algebra/Spatial Analyst?

I'm a Python (and StackExchange) novice trying to figure out how to perform calculations on temporary rasters with variable names. My attempt at a minimum working example is below, but I would ...
-2
votes
1answer
71 views

Inserting new Text Element into MXD using ArcPy? [duplicate]

I'm using Desktop 10.2 and I tried with this script to add new text element "road 90" to a lot of mxd's, but Something wrong with the code: import arcpy from arcpy import env env.workspace = ...
2
votes
0answers
17 views

Modelbuilder only outputs Info files and logs [closed]

I am developing a processing algorithm in ArcMap ModelBuilder. When I run it everything seems to work fine and running to completion. However when I go check the output directories I only find Info ...
2
votes
0answers
23 views

Using arcpy.StackProfile_3d within arcpy addin

I want to get elevation profile in ArcScene using arcpy. Specifically, I want to create tool used as follows: click tool button, draw line interactively and output a graph presenting elevation ...
4
votes
1answer
45 views

get count of like features types based on field attributes

I'm trying to create an update cursor which will take the count of the number of like features in a field and then use that number in a random number generator. The field would look something like ...
2
votes
0answers
91 views

Cause of ExecuteError: ERROR 010067 from arcpy.sa.CostPath?

By using the code below that creates least-cost paths between several polygons, I obtain this error message: ExecuteError: ERROR 010067: Error in executing grid expression. Initalization failed ...
2
votes
1answer
67 views

arcpy.AsShape function returning RecordSet not Geometry

I have the following code: feature_geometry = arcpy.AsShape(json_string, esri_json=True) print feature_geometry print type(feature_geometry) >>><geoprocessing record set object object at ...
2
votes
1answer
20 views

queue.empty error when using search cursor

I'm having trouble with an error message and can't seem to figure out the reason which, I'm sure is something simple. I have a bit of code listed below: insertPts = arcpy.da.InsertCursor(newFC, ( ...
-1
votes
1answer
54 views

ArcGIS Erase Function in Python

Aplogoises if this has already been solved but I'm having problems using the Erase function in ArcGIS. I have had problems using the normal function, as it throws a Error9999 Topology error amongst ...
1
vote
2answers
93 views

What causes ValueError: I/O operation on closed file? [closed]

I obtain the following error message: ValueError: I/O operation on closed file Here is my code (It selects each polygon contained in the shapefile "selected_polygons.shp" and builds the least-cost ...
0
votes
1answer
175 views

What causes AttributeError: 'module' object has no attribute 'da'?

I have a shapefile "selected_polygons.shp" that contains 2000 polygons. I would like to select each polygon contained in the shapefile by using a search cursor in order to apply the function ...
0
votes
1answer
75 views

How to automatically generate least-cost paths between several polygons?

What is the fastest way to automatically generate least-cost paths (LCPs) between several polygons with ArcGIS ? I created a python program to do this by using the functions "CostDistance" and ...
2
votes
1answer
77 views

Naming directories in python?

Why is it that when I label my directories this way: arcpy.env.overwriteOutput = True arcpy.env.workspace = "C:\\Users\\Documents\\ArcGIS\\Testing" arcpy.env.scratchWorkspace = ...
0
votes
1answer
33 views

Algorithm to implement for batch processing in ArcMAP modelbuilder [duplicate]

I have a directory with about 10 polygon shapefiles. I need ArcMAP to take all these shapefiles and union them all into one layer using the model builder. I know I need to use some sort of iterator, ...
1
vote
1answer
45 views

How to get around “name 'row' is not defined” error when row in question doesn't exist?

I am getting a "name 'row' is not defined" error when I run a particular piece of code (see below). This only happens when my input layer has one entry instead of two. So when the attribute query is ...
0
votes
0answers
29 views

Wrong line segments are being matched by Spatial Join in ArcPy?

I'm working on an analysis in which I want to compare 2 polyline-datasets. In one of the first steps, I use a spatial join to create a sub-dataset with only those line segments that have an exact ...
4
votes
1answer
32 views

Changing default IDE for editing Validation code in ArcToolbox?

Do you know a way that I can change the application that opens the validation scripts in ArcGIS 10.2? At the moment hitting Edit... opens up Notepad, which ain't that friendly an IDE.
2
votes
1answer
34 views

Convert polyline to presence absence raster in arcpy

I have a polyline that I am converting to a raster in arcpy. This is occuring within a loop and at each iteration I change the processing environment to a different area of interest. In this case it ...
3
votes
2answers
61 views

Using ModelBuilder, how to define directory while using a Python script?

I have a model (shown below) in which at the very end of it I run a Python script ('SumFieldInsertNew'). One issue I'm having is that I'm creating this model for an end-user that will have little to ...
1
vote
1answer
41 views

trouble with code block execution in python script

I am trying to calculate values for a field in a python script, but keep getting an error that I don't understand: ExecuteError: ERROR 000539: Error running expression: Fron000000F1 Traceback (most ...
1
vote
1answer
203 views

Installing pandas with Esri's python?

Trying to get pandas to import, but I'm getting what looks like an error caused by a failed dependency of the version of my Esri-provided numpy's compile, based on this stackoverflow posting. Here's ...
4
votes
1answer
131 views

Can ArcGIS ModelBuilder be exported to Python and run in QGIS?

Is it possible to construct a geoalgorithm on the ArcMap modelbuilder, export this entire algorithm to python syntax (without having ANY knowledge of python) and then import this algorithm to QGIS and ...
2
votes
2answers
73 views

Remove item from legend using ArcPy?

I can't remove item from the legend (lyr called "atikot") using arcpy with this code: import arcpy from arcpy import env removeLyr = arcpy.mapping.ListLayers(mxd, "atikot")[0] mxd = ...
6
votes
2answers
71 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 ...
2
votes
1answer
30 views

Using search and update cursors for random number generation

I am having some trouble getting a searchcursor to return a value for each record. The purpose of my code is to scan through a list of records in a field (FieldA) and based on those values populate a ...
4
votes
1answer
122 views

Find max and min values from a table based on two fields

I have a geodatabase table with the following fields: County_Name, State_Name, Date_Time, Customers Example Alameda, CA, 8/1/2014 12AM, 6 Alameda, CA, 8/1/2014 1AM, 1 Alameda, CA, 8/1/2014 2AM, ...
4
votes
2answers
211 views

What is the most efficient way to search a geodatabase for NULL-like records?

The problem: I have a geodatabase with several datasets and many more feature classes within. The fields within the feature classes have been populated through joins with shapefiles and manual edits. ...
4
votes
0answers
55 views

Save fails on raster object created from NumpyArrayToRaster [closed]

I am trying to save an ESRI grid built from a numpy array and am getting an error I've never seen before: Unhandled Exception: System.IO.FileNotFoundException: Could not load file or assembly ...
2
votes
1answer
37 views

Table to Excel Arcpy Error

I am trying to export a point shapefile to an Excel sheet using the arcpy.TableToExcel_conversion(FinalClipOutput, ExcelOut, "", "") The "FinalClipOutput" is the result of a clip that happens ...
2
votes
1answer
63 views

Problem with Python codeblock recognizing a field

'<'First Post Alert> I've been through multiple iterations / gyrations, and while there may be multiple problems here (and I'll appreciate feedback on all of them), the recurring issue is that the ...
1
vote
1answer
30 views

Unable to drag and drop current map elements into custom geoprocessing tool?

I know there mus be a simple solution to this but for some reason i cant figure it out. I have scripted an arcpy tool and the tool works fine in Arc10.2. The only problem is when I use the tool i ...
2
votes
1answer
49 views

How to SUM field, insert SUM into new field based on FIELD

This is a continuation of my previous question in an effort to build upon it. How to SUM field and then insert into NULL column? Given the examples of my data below, I would like to be able to ...
3
votes
2answers
99 views

Calculate field values using random integer derived from count of like features

I have a feature class which contains features classified by type. What I would like to do in my new field is generate a random number sequence for those like values using a count of the like values. ...
1
vote
0answers
34 views

Join does not return matching records after 1001 records have been successfully joined

I'm working on a process that joins a feature layer to another feature class. The code is as follows: arcpy.MakeFeatureLayer_management ("New_FC", "newFC_layer") ...
1
vote
1answer
62 views

Unable to open feature class Failed to execute (RasterToPolygon)

I'm trying yo execute the RastertoPolygon conversion tool in ArcGIs 10.1. I'm executing it through a for loop, then it resulted to an error (Unable to open feature class Failed to execute ...
1
vote
1answer
41 views

How to count the number of fields in a table using arcpy?

arcpy contains a ListFields method, which "Lists the fields in a feature class, shapefile, or table in a specified dataset". The resulting object has a count method, but I can't see how to return the ...
0
votes
1answer
57 views

Hiding selected features in ArcGIS for Desktop using ArcPy or ModelBuilder?

I'm using data driven pages to create a series of maps of point features. Some of my features overlap spatially and I only want to show some of them on each map. Once I select the features which I ...
1
vote
1answer
82 views

Using Alter Field tool of ArcGIS for Desktop on shapefile?

According the ArcGIS 10.2.2 help this should work: inZoneData = sys.argv[1] # This is a shapefile fieldList = arcpy.ListFields(inZoneData) for field in fieldList: if field.name.upper() ...
3
votes
3answers
142 views

Using da.SearchCursor to get count of unique values in a field

Is it possible to use arcpy.da.SearchCursor() to get a count of unique features in a field without a dictionary? So, by this I mean if I have a field called TEXT which contains 10,000 rows populated ...
3
votes
2answers
104 views

Calculate Field Syntax: If statement over many fields

Apologies if this has already being asked but I couldn't find a page pointing to this problem. I'm struggling with the python syntax in the Calculate Field so that, in the table above: if b, c, d, ...