Saturday, May 17, 2025

Module 1 - Flowcharts and IDLE

ssfjksbsAnswer:171.89 Degrees

 Figure 1. Flowchart depicting Conversion of Radians to Degrees


 

   Process Summary

Part 1: Using a Python Script to Organize the S Drive Folders.

 In the Intro to GIS course, a crucial step was to organize our digital folders and filepaths; this was typically a manual, zip, copy, and paste operation. Over time, it became second nature. However, in this course, we were introduced to the concept of automatically copying folders from the repository into our S drive using a premade script that was copied and executed into IDLE. This will make the digital fordel organization endeavors efficient and straightforward.  

Steps-

Identified the GIS Programming folder in the repository.

Copied the corresponding script to the S drive root.

Opened Windows icon on the left-hand corner and typed in “python command prompt”.

 Clicked open

Typed in IDLE at the end of the prompt to launch the interactive environment

Clicked on new file, opened at the top left-hand corner, then navigated to the S drive and clicked on the pre-written script.

Clicked on the “run” at the top of the IDLE environment- Confirmed execution.

To verify, open the S drive and find the GISProgramming folder and all its corresponding modules in the drive.

 

Other Thoughts-

            This was challenging as the Intro to GIS class drilled into me the zip file, copy and paste technique to organize folders.

 

I ran the script a few times before I finally succeeded. What caused issues was that I was not sure “what root of your S:\ drive.” was. Then I realized it was literally just copy and paste into the S drive. Then, I had forgotten that I had to click “run” at the top of the IDLE for the script to run. These were all silly simple mistakes. This method of copying the folder from the R drive is such a time saver. I look forward to using this again.

 

Over all, opening python, opening IDLE, ect all seems to be very straightforward and almost naturally intuitive.

 

Part 2: Flowcharting: Convert 3 radians to degrees

                        Steps

                        Establish Formula: degrees = radians*180/pi

Write Pseudocode: Remember indentation, starts, stops, and which steps are dependent on others. **Remember to write the 3 as 3.0

 

#This program converts radians to degrees

Start

Radians = 3.0

pi = 3.14159

Degrees = radians * 180 / pi

Print Degrees

End

 

                      Manually check calculation is correct.

                                    Use pseudocode to create a flowchart.

Open app.diagram.net

                                    Use Standardized symbols snip from the Python Scripting for ARCGIS pro as                                        reference.

                                    Save and export flowchart as png file  

 

 

Other Notes

 

I was beginning to think about the term’s “script” and “source code” as interchangeable, but they are not. I had to do a little side quest to find the difference.


Source Code- Written in programing language. Compiled.

Script- sort of like a stepchild to the program code. Interpreted, not compiled.

 

Useful Websites for more information on GIS Notebooks and IDLE

https://pro.arcgis.com/en/pro-app/latest/arcpy/get-started/pro-notebooks.htm

https://gis.stackexchange.com/questions/225585/differences-between-python-window-and-idle-for-scripting-with-arcgis-desktop

            **Feedback from the GIS community.

 

Overall, the most difficult task during this lab was deconstructing the individual processes that we all know, such as a simple equation, into individual steps that make sense, are sequential, all while following standard symbols. 


 Zen of Python

The first thought that comes to mind is that “The Zen of Python” is not about Python at all but rather a deep insight into the soul; but of course, it can’t be, or can it?

Despite my eagerness to dig deeper into the connotation of this text, I believe the author is trying to convey that…

A)    Python is straightforward.

B)     The process should not be incredibly complex.

C) Be sure to take the time to revise and weed out errors.

D)    To not worry, if you’re persistent, you will find a solution to the pickle you find yourself in.

Additionally, lines 3 to 7 might refer to the imputed code's structure; it should not be dense, simple, straight to the point, neat, etc.

There are several lines, specifically towards the end of the passage, that nod to the idea of “don’t overcomplicate it, the solution should be simple and odds are that this is not the first time it happens”.

This is in theme with the whole branding of Python; an easy-to-use and learn, fast, efficient technology that is here to make daunting tasks better.

 Ultimately, the reader is encouraged to find solace in the fact that the world of Python is only as difficult as they make it. These are my first thoughts, might also be completely wrong, but I digress.

Overall, a very interesting passage. I have come to realize that the tech community has a lot more fun with their naming conventions, and now also writing passages, than I had previously thought. 


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