Generating a Tree Diagram from a CSV File

The CSV file

Creating a tree diagram from a CSV file is an extension of the sections where we create a diagram from flat data and where we create a diagram from an external file.

By mashing these together and using a CSV file, it should look something like the following:

name,parent
Top Level,null
Level 2: A,Top Level
Level 2: B,Top Level
Son of A,Level 2: A
Daughter of A,Level 2: A

We can ingest the name of the nodes and their relationships, and then format the data correctly.

The code

The main piece of code that we would add that is different from the standard horizontal tree diagram is as follows: