Using D3 to visualize commenting activity in a single depth threaded forum designed for education. Users can post a top level idea, respond to themself, or respond to others. Each Activity has a list of Prompts to respond to, and this gives the teacher a quick overview of user activity.
Demonstrates how to do several things in D3
- How to create a matrix
- Multi-Foci force graph, as found here, http://bl.ocks.org/mbostock/1021953
- Dynamic SVG size based on the size of the input