June 2026
Intermediate to advanced
582 pages
16h 16m
English
Content preview from Learn D3.js - Second Edition
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12
Creating Pies and Stacks
In this chapter, you will learn how to create pie charts, stacked bar charts, and stacked area charts. These visualizations require complex data structures, which can be built with the help of layout generators.
A layout generator doesn’t generate any shapes, but instead transforms a dataset, altering its structure and adding properties so that it can be more easily assembled as a visual structure, or used by a shape generator that expects a specific format. The two layout generators in the d3-shape module are used to build data structures for pies and stacks.
Pies are built from arcs, rendered as SVG paths using the arc shape generator. A pie chart uses arcs to create slices that fit perfectly in a circle. To draw ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.