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ArcPy is a Python module for interacting with ArcGIS tools. The module was developed by Esri, the company that makes ArcGIS. ArcPy offers a high-level implementation of Esri's ArcObjects programming library. The best place to ask about ArcPy is the Geographic Information Systems sister site.

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I have the following ArcPy code, which I need to run on very large datasets. Are there any suggestions for making it run faster? It's taking upwards of an hour and half to run the section I posted ...
bskaf's user avatar
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2 votes
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I am using Python 3.8 with ArcGIS Pro 2.5. This code creates a joined table where I match values for plant greenness in the current month with rainfall X number of months into the past. Each loop ...
user5858's user avatar
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I have created a wrapper for displaying messages with ArcPy and IDLE (as that is all I have available to myself due to certain circumstances) as I frequently use both to test and develop new tools. ...
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2 votes
0 answers
153 views

I have the following function and code snippet to extract cell values for multiple years, format it, and save to a list. Each raster has 365 bands — one for each day. A separate operation is performed ...
Ibe's user avatar
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3 votes
0 answers
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I am running a script to identify polygons that overlap with other polygons within the same layer. I have managed to do this with the code below but the problem is that it is very slow (about 3 ...
Bhekani Khumalo's user avatar
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5 votes
3 answers
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The script below uses an ArcPy package which helps to create buffer of the impact around a location where a blast occurs(user entered), intersects with building footprint which is the point of ...
Viv's user avatar
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5 votes
1 answer
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Background My project is a Python toolbox. This is my first bigger coding project and it took me quite some time to code this toolbox. I learned a lot from the start point to this day. I changed this ...
JuniorPythonNewbie's user avatar
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3 votes
1 answer
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I have written code using Python for Fully Constrained Least Squares (FCLS) Linear Spectral Mixture Analysis which could be applied for unmixing multispectral image successfully. However, the ...
qiangqiang sun's user avatar
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2 votes
1 answer
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I'm working to produce a lookup table using the Arcpy module that contains descriptive statistics for US National Parks. The original data, found in tbl, has 12 ...
Jason Matney's user avatar
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2 votes
1 answer
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This script creates a an Access table that my boss uses for making a report in Access. The data comes from a comparison of data in more than a few tables in Arcmaps. Right now this script works in an ...
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1 vote
1 answer
404 views

I have files in subfolders on a network drive. I want to create a list of files, and insert that list into an Oracle table. I can successfully iterate through the files in the subfolders and do the ...
User1974's user avatar
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2 votes
1 answer
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I wrote some code that uses the arcpy module to read from some tables and checks to see if those values are in another table then if they aren't it writes them to a txt document. I made a change so I ...
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4 votes
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I've written the following using Python Dictionaries and Pathlib Module. I'd like to improve the first function: list_landsat_bands. I've created a list of file patterns to match, which I then use ...
Peter Wilson's user avatar
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7 votes
1 answer
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I am working on a project on how climate change may affect the development of spruce budworm larvae throughout each year (historical and projected) using different climate change models and emission ...
bobby12345's user avatar
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2 votes
1 answer
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My script goes through sub folders in my main directory and based on a wildcard checks if a tiff file exists or not, if it exists then the file path is appended to the corresponding list. For example, ...
cpt_python's user avatar
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3 votes
1 answer
155 views

We have written a Python script using arcpy modules. It is was written by Python beginners and many parts of the code are written in 'unpythonic way'. The goal is ...
cpt_python's user avatar
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1 vote
2 answers
242 views

I am looking for the way to speed up my script. The final output is as required, but it's clunky and really slow. I know it's slow because of the double for..in.. ...
user3328469's user avatar
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4 votes
1 answer
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I have written this script that downloads two tables from the db, preforms an intersection on them and adds 2 new columns to the resulting table, and uploads the resulting table to the db. It's a bit ...
Celeritas's user avatar
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7 votes
1 answer
303 views

My code takes 143.023 seconds for extracting nodes from a road network of city like Göteborg in Sweden. Please check it out if I can optimize it. ...
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