Book Image

Data Visualization with D3 4.x Cookbook - Second Edition

By : Nick Zhu
Book Image

Data Visualization with D3 4.x Cookbook - Second Edition

By: Nick Zhu

Overview of this book

Master D3.js and create amazing visualizations with the Data Visualization with D3 4.x Cookbook. Written by professional data engineer Nick Zhu, this D3.js cookbook features over 65 recipes. ? Solve real-world visualization problems using D3.js practical recipes ? Understand D3 fundamentals ? Includes illustrations, ready-to-go code samples and pre-built chart recipes
Table of Contents (21 chapters)
Data Visualization with D3 4.x Cookbook - Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface

Changing line tension


If Cardinal interpolation mode (cardinal, cardinal-open, or cardinal-closed) is used, then the line can be further modified using tension settings. In this recipe, you will see how tension can be modified and its effect on line interpolation.

Getting ready

Open your local copy of the following file in your web browser:

https://github.com/NickQiZhu/d3-cookbook-v2/blob/master/src/chapter7/line-tension.html

How to do it...

Now, let's take a look at how line tension can be changed and what effect it has on line generation:

<script type="text/javascript"> 
    var width = 500, 
        height = 500, 
        margin = 30, 
        duration = 500,     
        x = d3.scaleLinear() 
            .domain([0, 10]) 
            .range([margin, width - margin]), 
        y = d3.scaleLinear() 
            .domain([0, 1]) 
            .range([height - margin, margin]); 
 
var data = d3.range(10).map(function(i){ 
...