
[FrontendMasters.com] – Introduction to Data Visualization with d3.js v4
English | Size: 1.34 GB
Category: Programming
Take advantage of the latest in data visualization by learning the core concepts of d3.js and experiencing the power to represent data in new ways! Learn from Shirley Wu as she demonstrates d3.js, a JavaScript library for producing dynamic, interactive data visualizations on the web. Get hands-on experience with data binding and learn how it works with the enter-update-exit pattern, Start coding your own D3 examples within the bl.ocks ecosystem and build a full chart with scales, axis, and legends. Also, learn to animate between different D3 layouts for truly interactive charts — bring your data to life!
Selection and Data
In this initial example, Shirley creates a series of rectangle images whose each respective height gets passed in from a custom array. – https://github.com/d3/d3-selection
Selection and Data Demo Q&A
00:22:14 – 00:26:08
Selection and Data Demo Q&A
After students work with the initial selection and data demo, Shirley takes questions from students.
Enter-Append
00:26:09 – 00:48:20
Enter-Append
So as not to manually create each SVG shape element, Shirley illustrates the d3.js enter selection that produces “missing” items that correspond to supplied data points. Shirley explores and expands the demo in more detail while answering student questions.
Scales and Axes
00:48:21 – 01:17:38
Scales and Axes
Shirley introduces helper method scale() mapping from data attributes to display range. For example, instead of a one point per one pixel reference, scale can create relative or ratio sizes for large and small data sets so they images can display on the screen. A visual representation of that scale is called axis. The ticks included on the axis can be automatically included or hard-coded. – https://github.com/d3/d3-scale
Challenge 1: Creating a Chart
01:17:39 – 01:20:09
Challenge 1: Creating a Chart
In this challenge, students use d3.js recreate a temperature for a city scaled over set period of years.
Challenge 1: Solution
01:20:10 – 01:56:27
Challenge 1: Solution
Shirley walks through the solution to Challenge 1 and answers questions from students.
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