A python API created by ESRI to perform geoprocessing and layer management.
3
votes
2answers
356 views
How should I go about calculating the centroid of several lat long points in python, and perl?
Calculating the centroid several time on a number of geographical points. I was wonder is there a perl or python module that could make my life easier when working with large datasets of lat long ...
3
votes
2answers
266 views
Set Data Driven Scale from Arcpy
Is there a way to set the data driven scale from arcpy? Looking at the documentation for the DataDrivenPages class, it doesn't seem to be accessible from outside of ArcMap. The script I run within the ...
2
votes
0answers
673 views
arcpy.Delete_management not deleting a geodatabase folder
This script runs fine the first time but fails when run the second time. The issue seems to be that the KMLToLayer_conversion statement creates a file geodatabase (no surprise) that subsequently ...
1
vote
1answer
275 views
Replace data source of layer in ModelBuilder
After reading through the documentation about MapDocument and Layer classes, I have been trying to use the replaceDataSource method in ModelBuilder to replace the data sources of certain layers within ...
4
votes
2answers
740 views
Field calculation- Arcpy
I am developing a script to calculate the values of two fields (C and D) based on value of field A (It is a Point feature):
A C D
0.2 1 1
0.2 1 2
0.2 1 3
0.4 2 1
0.5 3 1
0.5 3 2
So the idea is
n ...
4
votes
0answers
228 views
ArcGIS Cost Path Analysis - How Is Arcpy Cost Path Analysis Tool So Much Faster Than ArcObjects
Although I love slinging some python to create geoprocessing scripts/services, I was under the impression that using ArcObjects to do the equivalent operation(s) will have better performance.
I've ...
3
votes
1answer
284 views
Export and edit annotation featureclass using arcpy
i would like to convert labels to annotations and make some advanced editing for these labels using Arcpy , how i could make this ?
i'm using a file geodatabase , Arcmap 10.
Any help plz
0
votes
1answer
117 views
ArcGIS Server GP Service - RasterIO.dll crashing ArcSOC.exe
I've been having a terrible time this week turning some very simple geoprocessing scripts into gp services on ArcGIS Server 10 SP 4. In the case of the linked post, I found that using certain raster ...
4
votes
1answer
148 views
Counting and Storing Event Data Contained Within a Polygon (Using Python)
I have a fairly large project and I would like to automate some tasks using Python. Problem is, I don’t have any experience with Python for ArcGIS. And I rarely use ArcGIS until something big like ...
2
votes
2answers
437 views
ESRI Geoprocessing Script : Runs Fine in Desktop - Crashes as Geoprocessing Service
I have a small and simple geoprocessing script that I am trying to expose as a geoprocessing service in ArcGIS Server 10 SP4. The script is below. Pardon the hard-coding...
With the hard-coded ...
3
votes
1answer
287 views
ArcPy: Feature class “doesn't exist” after MakeFeatureLayer
I was working on a Python script to analyze the geometries of a feature class and write something out. It worked fine the first time, but gave an IOError each subsequent time. I narrowed the problem ...
3
votes
2answers
1k views
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', ...
3
votes
1answer
228 views
Update Arcpy version?
This is probably the answer to my previous question.
The version of arcpy that I am using does not include GetNAClassNames
naClasses = arcpy.na.GetNAClassNames(serviceAreaLayer)
...
0
votes
0answers
109 views
Export Data Driven Pages extents to Kmz
Is it possible to export the extents of DDP to KMZ using arcpy - Map to KML (Conversion)? Alternatively can we export each extent of a single DDP extent to a new mxd and then run arcpy.MapToKML_3d on ...
1
vote
1answer
67 views
Is there a way to access ps.map in python?
i am wondering whether its possible using python interface to load layers and edit them in Print/Cartographic Composer without displaying, and finally export to PDF?
something that can be done via ...
6
votes
0answers
207 views
Land Classification with Spectral Python (SPy) [closed]
Does anyone have experience working with the Spectral Python module for land classification? The following k-means clustering example takes an iterative approach to classification through pixel ...
3
votes
1answer
173 views
List Elements or Datasets of a given Layer
I am sorry of this might sound like a noob question but I cannot find any answer from google.
I used arcpy to do batch processing of Network Analyst - Make Service Area layer of thousand of stores.
...
3
votes
2answers
163 views
How to select polygon features that have their centers outside of another polygon feature class
Since I only have Incorporated area feature class, how can I select census blocks that are in unincorporated area? Or not within any incorporated areas?
Thank you.
John
2
votes
4answers
294 views
Is there a way to programatically force RGB (3 bands) in a raster with arcpy?
I'd like to include conversion to a 3 band RGB raster in a script to prepare multiple DEMs for image processing. The input files are rasters extracted from a raster mosaic.
The manual option is to ...
3
votes
1answer
173 views
How do I stop GP script from adding temporary data to Table of Contents?
I have a script that does a series of calculations, producing temporary data along the way. However, at each step of the script, data is added to the TOC and then removed when I call the ...
10
votes
2answers
572 views
Methods for optimizing multcore processing in ArcGIS
I am interested in learning methods to utilize the full extent of multicore processing power available on a desktop computer. Arc states that background geoprocessing allows the user to utilize ...
3
votes
1answer
188 views
Batch Sum Fields Script
I have created a python script that batch summarizes all string fields within a fc table based on the concatenation of two fields. The script loops through a list of the fields, however it stops ...
0
votes
2answers
337 views
Running Arcpy script from ArcObjects
the standard method requires to run arcpy script in commande line, i've struggled with it to run but without a result, i can import arcpy, set the workspace to the geodatabase path and describe the ...
2
votes
1answer
177 views
Create Array From Selected Features Based on the Order in Which They Were Selected
I need to create an array of features from a selection based on the order in which they were selected.
As in: I select feature 5,2,3,4. I need to have an array so I can apply attributes (with python) ...
4
votes
1answer
177 views
Controlling time slider using arcpy
I am trying to control the time slider object through my code in the python console. As given in couple of examples, the time property of a data frame could be controlled by Data frame time property. ...
2
votes
3answers
712 views
Convert an .xlsx datasheet with point feature data into a POINT feature class
I am trying to create a script tool to automate this process, eventually it will be used for batch processing but at the moment I can't even get test data to work. This is pretty basic at the moment, ...
8
votes
2answers
243 views
Create a summary table of the symbology of all datasets in multiple mxd's
This is related to the following Retain ESRI symbology in Mapinfo TAB . As an initial step (in arcpy) I want to access the symbology of all the datasets and create a document which has the details of ...
3
votes
5answers
400 views
Having trouble nesting updatecursors
I'm trying unsuccessfully to perform updates on multiple linked tables using updatecursors.
The following code works as I would expect:
trackRows = ...
3
votes
2answers
402 views
Getting the Field Alias from a layer, from within a Map document
I've got a very simple script, that loops through all the layers in a mxd and loops through the fields, and prints out the Alias Name for the field, but I am having some problems, it seems to be ...
8
votes
4answers
172 views
Subset Folder Contents ArcPy
I have about 1500 .txt files within a folder named 3410001ne => 3809962sw. I need to subset about 470 of these files to process with a Python script. Below is the section of code prior to my for ...
2
votes
1answer
214 views
Adding Layer in current session using ARCPY
I wanted to add a layer through the toolbox using arcpy. The below script works fine through the python console in ArcMap, but does not when executed through the toolbox. The layer flashes for a ...
6
votes
3answers
1k views
How to delete feature class features faster (ArcPy)
I have written this script that recurses through all feature classes in a given set of feature datasets and deletes all their features. It appears to do the job but it runs pretty slowly. Is there ...
2
votes
1answer
315 views
Snapping lines to points
i have to snap the point the Layer containing point 'A' the layer of point 'B' , but i have a third layer of vector which is a line layer containing 'line 1', so each vector has a point of layer 'A' ...
1
vote
0answers
70 views
Issues Switching SDE workspaces, same DB, different users
I have an SDE database with a number of user schemas. I'm wanting to connect using different credentials for each and get information about the tables and datasets within.
I'm using arcpy, and have ...
4
votes
2answers
330 views
In ArcPy, how can I save a clipped raster dataset to memory (not to file)?
I've been trying to clip a larger raster dataset by a polygon extent, where the resulting clipped raster dataset is saved in-memory. So far, my attempts produce vague errors.
>>> ...
1
vote
0answers
265 views
Variable stored as NoneType in Python with updateCursor
SOLVED: although the field was not nullable (no null values), a glitch created one in the heading field, so the variable was stored as a null value and thus the NoneType.
I am using updateCursor to ...
2
votes
1answer
85 views
Generate a global view Image of where a Lat-Long location is
I would like to automatically generate an image which highlights a location from a global view.
Here is an example of what I would like to achieve:
I am debating using python utilities such as ...
4
votes
3answers
1k views
How do I include a variable in the where clause of arcpy.Select_analysis?
I am trying to loop through a shapefile, selecting each feature in turn and copying it to a temporary shapefile to by included in a union analysis. I'm using a cursor to find the ID name for each ...
5
votes
2answers
184 views
Check validity of file geodatabase using arcpy
AS the title suggests, how can I whether a GDB file is valid using arcpy? One approach is, only checking the whether the name ends with .gdb, but that's not a robust approach. Because a normal file ...
3
votes
1answer
460 views
ArcPy Rename Loop
Does anybody have an ArcPy script which points to a directory and renames files within that directory?
For example, I have approximately 1500 raster files with names along the lines of ...
3
votes
2answers
909 views
Selecting features through arcpy
I would like to achieve the following functionality through arcpy:
Querying an existing baselayer on time and create a new layer
Apply symbology from an existing layer and add the new layer to the ...
3
votes
3answers
683 views
Does ArcPy have a spatial search function for geometry?
My problem:
Using ArcPy I want to loop over buffers and select geometry_features inside each buffer and do something (update) only the objects found within that specific buffer.
The code below ...
4
votes
2answers
504 views
Python method for finding a substring within a string
I converted a KML to a feature class and no longer have access to the symbology set in the original KML. I'm trying to re-create this by creating a new field that stores identifying information ...
4
votes
1answer
187 views
How to dynamically view Python script results in ArcMap?
I want to view the output of arcpy scripts (run in Python IDLE) in ArcMap. I tried refreshing the ArcMap data frame after I run the script. This does not work. Please advice me on this.
3
votes
1answer
638 views
How to reference a specific layer in a dataframe with Arcpy
I am trying to reference a Layer named "Tim" in the dataframe "Layers" in my .mxd. It is not working. I have looked at the ArcGIS online help and all else in this forum. Can't get rid of this Runtime ...
5
votes
1answer
2k views
issues importing arcpy in Python IDLE
Hi I would want to use arcpy in my python code. I am able to import it through the ARCGIS desktop python console. But I am not able to import it into Python IDLE. I get the following error
Traceback ...
5
votes
1answer
161 views
Changes in synchronized replica not shown in ArcMap or ArcCatalog without refreshing
I am synchronizing a one-way replica in ArcEditor using Python. I tried adding RefreshActiveView and RefreshCatalog to the code, but I still need to refresh the synchronized database to see the ...
0
votes
1answer
98 views
Check multiple feature classes have same spatial reference
As the title says I've several feature classes. I want to check whether they have same spatial reference using arcpy
6
votes
1answer
229 views
Using python, how do you “reload cache” an opened Attribute Table
Used python to update a shapeFile through cursors. The Shapefile is updated, but there could be an opened Attribute Table. Manually you can hit "reload cache" to update the Attribute Table and see ...
2
votes
1answer
707 views
Unable to change data source path for group layer file
I am having some difficulty changing the data source for a group layer. Below is the code that I am using. It processes a LYR file successfully that has a single data source but if LYR file has more ...
