M6 Working with Geometries

Script results

Text file

ArcGIS output

Pseudocode

Start 

Set up

Prepare to write text file

Create(write) text file

Create variables

Field 1 = Feature/row OID 

Field 2 = Vertex ID 

Field 3 = X coordinate  

Field 4 = Y coordinate 

Field 5 = Name of the river feature 

Create for loop

Close text file 

Delete row and cursor variables outside of all loops

Stop

Flow chart

This week’s assignment was the culmination of the last six weeks of working with scripts. We worked with geometries and covered the topics of Nested loops, Search cursors, For loops, Writing to a TXT file, and Creating loops within a loop. It was a challenge to put together but using information and script templates from previous assignments helped me compile scripts to deliver the results. It is one lengthy script made up of several smaller ones. I had struggles with indentation and syntax specifically when writing the data to the text file which required a series of “for loops”. In the files above you can how the same results are different when they are viewed.

As I said it helps me to keep a notepad of scripts we must use to complete exercises. This week was consistent with previous weeks of reminding me to read through each script to ensure better understanding. This allows me to make mental notes of proper syntax. I created a notepad of scripts from completed exercises before beginning the assignment. This is very helpful in narrowing my focus to the script and helps me to understand it better. For this assignment, I went back to exercise 5’s scripts I saved as notes to get me going. Courses such as this have a way of “forcing “ me to be better organized and to find the greater detail in the details.