Friday, June 6, 2025

Module 4 - Geoprocessing

 

                        Results of Geoprocessing operations; Add XY, Buffer and Dissolve


In this weeks module, we finally got our hands on the creation of script ad connecting it to our Map View in Arc GIS pro. what first comes to mind when I ran model builder and wrote script for common geoprocessing operations, was "I wish I knew all of this durin Intro to GIS class!" 


A key take away form this week's lab was that there are multiple ways to get to the same results. For example, in our script, we could have assigned variables to the different parts of syntax for our geoprocessing operations and make our script more flexible instead of using file paths. 


Additionlly, we could have also created a moel in model builder for both the add XY operation and buffer and used this to export a puthon script. 

Ultimately, this versatile nature of python makes me ecited to learn different inputs that could take me to the same desired result. 

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For more pointer on the Add XY , buffer, and dissolve operation, please see notes below. 


Part 2 - Ad XY:

 

Remember to import the environment and workspace.

To make script more flexible, it’s best practice to use variables instead of the hard code in the script.

So, I assigned the hospitals shapefile to the in_features argument in the ADDXY function.

Ensure you to add (env.overwriteOutput = True) to override existing files.

 

 

Part 3 - Creating a 1000 Meter buffer and Dissolve:

 

Use the buffer analysis tool syntax to create a code block that performs the 1000-meter buffer. The arc GIS pro help page was a life saver when trying to resolve this as it gave a description of what was required for each parameter in the function.  It was important to remember to enter( “ ” )for optional empty parameters. Lastly, it was important to choose the correct dissolve option, ALL, to ensure all buffers were dissolved into a single feature class.

 

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