A d3 implementation of the data visualization technique introduced by Dr. John Stasko at Georgia Tech.
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README.md

Dust and Magnet d3 Implementation

Dust and magnet is a data visualization technique introduced by Dr. John Stasko at Georgia Tech.

Premise

The purpose of dust and magnet is to represent multivariate data using the prinicles of iron filings and magnets.

Basically, each data point is represented as a particle and each property of the data point is represented as a magnet.

dust in blue, magnets in black

When activated, the dust particles to the magnets depending on the relative magnitude of the magnet's property of the dust.

Example

Here, the dust are cars and the magnets are numerical properties of the cars such as highway mpg, price, city mpg etc. When the highway mpg magnet is selected, the dust rearrange themselves so that the ones with low highway mpg are further away from the highway mpg magnet than those that have a high highway mpg.

What is cool is that when more magnets are added, the data will automatically rearrange as well thereby allowing a user to view multivariate relationships within the data!

Demo

To view the demo I have prepared go http://www.koushikk.me/d3-dust-and-magnet

To view details on a dust particle or magnet, hover over it. Double click a magnet to select it/ unselect it.