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Sunday, June 5, 2022

GIS 5103 Geoprocessing Lab

 This week our focus was on Geoprocessing in ArcGIS Pro. We covered where to find the tools in ArcGIS, and how to create our own toolboxes. We were also introduced to ModelBuilder in ArcGIS Pro. This is a wonderful too. It very user friendly and there are some very helpful YouTube videos out there if you are new to ModelBuilder.  In this lab we used ModleBuilder to create a model that clipped all soils to the extent of the basin polygon; selected all soils with a specific classification and erased them from the basin polygon.  Below is a snapshot of my results.



The next section of the lab required us to write a Python script. This was done in Spyder and then once it was error free we ran it from the iPython screen in ArcGIS Pro. The first requirement of our script was for it to add XY coordinates to a shapfile. Next it had to create a buffer of a specific size around our newly created shapefile. From there it has to dissolve that buffer into a separate single feature. Once the tasks were completed the script had to print messages. I made a basic workflow using the ModelBuilder style to help me get organized to write my script.



Three test script later I was able to get the results I needed.

 


This was a tough lab. One of the biggest problems I had was syntax and missing simple errors. 







 

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