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Data Visualization with D3.js Cookbook

Data Visualization with D3.js Cookbook

By : Nick Zhu
4.3 (18)
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Data Visualization with D3.js Cookbook

Data Visualization with D3.js Cookbook

4.3 (18)
By: Nick Zhu

Overview of this book

D3.js is a JavaScript library designed to display digital data in dynamic graphical form. It helps you bring data to life using HTML, SVG, and CSS. D3 allows great control over the final visual result, and it is the hottest and most powerful web-based data visualization technology on the market today. "Data Visualization with D3.js Cookbook" is packed with practical recipes to help you learn every aspect of data visualization with D3. "Data Visualization with D3.js Cookbook" is designed to provide you with all the guidance you need to get to grips with data visualization with D3. With this book, you will create breathtaking data visualization with professional efficiency and precision with the help of practical recipes, illustrations, and code samples. "Data Visualization with D3.js Cookbook" starts off by touching upon data visualization and D3 basics before gradually taking you through a number of practical recipes covering a wide range of topics you need to know about D3. You will learn the fundamental concepts of data visualization, functional JavaScript, and D3 fundamentals including element selection, data binding, animation, and SVG generation. You will also learn how to leverage more advanced techniques such as custom interpolators, custom tweening, timers, the layout manager, force manipulation, and so on. This book also provides a number of pre-built chart recipes with ready-to-go sample code to help you bootstrap quickly.
Table of Contents (16 chapters)
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15
Index

Test driving your visualization – chart creation

With test environment ready, we can move on and develop a simple bar chart very similar to what we have done in the Creating a bar chart recipe in Chapter 8, Chart Them Up, though this time in a test-driven fashion. You can see how the bar chart looks if you open the tdd-bar-chart.html page:

Test driving your visualization – chart creation

Test Driven Bar Chart

By now we all know very well how to implement a bar chart using D3; however, building a bar chart is not the focus of this recipe. Instead, we want to show how we can build test cases every step of the way and verify automatically that our bar chart implementation is doing what it is supposed to do. The source code of this recipe was built using test driven development method; however, we will not show you every step in the TDD process due to limited scope in this book. Instead, we have grouped multiple steps into three larger sections with different focuses in this chapter and this recipe is the first step we take.

How to do...

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Data Visualization with D3.js Cookbook
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