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Expert Data Visualization

You're reading from   Expert Data Visualization Advanced information visualization with D3.js 4.x

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781786463494
Length 394 pages
Edition 1st Edition
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Author (1):
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Jos Dirksen Jos Dirksen
Author Profile Icon Jos Dirksen
Jos Dirksen
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Table of Contents (10) Chapters Close

Preface 1. Getting Started with D3 2. Basic Charts and Shapes FREE CHAPTER 3. Working with Hierarchical Data 4. Visualizing Graphs 5. Working with Geo Data 6. Visualizing Streaming Data 7. Voronoi Diagrams and Heatmaps 8. Custom Shapes and Paths and Using a Brush Selection 9. ES6, TypeScript, and External D3.js Libraries

Force layout

A force layout renders a graph as a set of nodes and interconnected links. It's easiest to visualize by looking at an example. The following graph is a very simple example of what you can create with a force layout:

While this is a very simple example, if you have the time, you can create beautiful layouts. An especially beautiful one is the one created by (amongst others) the creator of D3:

You can interact with this visualization here: http://www.nytimes.com/interactive/2013/02/20/movies/among-the-oscar-contenders-a-host-of-connections.html.

For our first visualization in this chapter, we're going to create a force layout that uses information from the Simpsons. We're going to show which characters appear in a specific location in an episode. The final result looks something like this:

Here we have a force layout (which you can see in DVD3/src/chapter-04/D04-01.html) with the following...

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