Getting Started with D3 - Helion
ISBN: 978-14-493-2875-7
stron: 70, Format: ebook
Data wydania: 2012-06-27
Księgarnia: Helion
Cena książki: 46,74 zł (poprzednio: 54,99 zł)
Oszczędzasz: 15% (-8,25 zł)
Learn how to create beautiful, interactive, browser-based data visualizations with the D3 JavaScript library. This hands-on book shows you how to use a combination of JavaScript and SVG to build everything from simple bar charts to complex infographics. You’ll learn how to use basic D3 tools by building visualizations based on real data from the New York Metropolitan Transit Authority.
Using historical tables, geographical information, and other data, you’ll graph bus breakdowns and accidents and the percentage of subway trains running on time, among other examples. By the end of the book, you’ll be prepared to build your own web-based data visualizations with D3.
- Join a dataset with elements of a webpage, and modify the elements based on the data
- Map data values onto pixels and colors with D3’s scale objects
- Apply axis and line generators to simplify aspects of building visualizations
- Create a simple UI that allows users to investigate and compare data
- Use D3 transitions in your UI to animate important aspects of the data
- Get an introduction to D3 layout tools for building more sophisticated visualizations
If you can code and manipulate data, and know how to work with JavaScript and SVG, this book is for you.
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Spis treści
Getting Started with D3 eBook -- spis treści
- Getting Started with D3
- A Note Regarding Supplemental Files
- Preface
- Who This Book Is For
- Conventions Used in This Book
- Using Code Examples
- Safari Books Online
- How to Contact Us
- Acknowledgements
- 1. Introduction
- D3
- The Basic Setup
- The New York Metropolitan Transit Authority Data Set
- Cleaning the Data
- Serving the Data
- 2. The Enter Selection
- Building a Simple Subway Train Status Board
- The draw Function
- Adding Data-Dependent Style
- Graphing Mean Daily Plaza Traffic
- Using div Tags to Create a Horizontal Bar Chart
- Styling the Visualization using CSS
- Introducing Labels
- Building a Simple Subway Train Status Board
- 3. Scales, Axes, and Lines
- Bus Breakdown, Accident, and Injury
- A Tiny SVG Primer
- Using extent and scale to Map Data to Pixels
- Adding Axes
- Adding Axis Titles
- Graphing Turnstile Traffic
- Setting up the Viewport
- Creating a Time Scale
- Adding Axes
- Adding A Path
- Bus Breakdown, Accident, and Injury
- 4. Interaction and Transitions
- A Subway Wait Assessment UI IInteractions
- A Robust Viewport Setup
- Adding Interaction
- Subway Wait Assessment UI IITransitions
- A Simple Interactive Transition
- Adding Mouseover Labels
- An Entry Animation Using Delays
- Adding Line Labels
- Style
- A Subway Wait Assessment UI IInteractions
- 5. Layout
- Subway Connectivity
- Force Directed Graphs
- Scheduled Wait Time Distribution
- Using the Histogram Layout
- Using the Stack Layout
- Subway Connectivity
- 6. Conclusion
- What Next?
- About the Author
- Copyright