March 2017
Beginner to intermediate
868 pages
18h 52m
English
book
D3.js: Cutting-edge Data Visualization
by Ændrew H. Rininsland, Michael Heydt, Pablo Navarro Castillo
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Highlighting connections with chord
We've seen how many donations people have and when they got it, but there's another gem hiding in the data—connections. We can visualize who is donating to whom using the chord layout.
We're going to draw a chord diagram—a circular diagram of connections. Chord diagrams are often used in genetics and have even appeared on covers of magazines (http://circos.ca/intro/published_images/).
Ours is going to have an outer ring showing how much money is being donated and chords showing where that money is going.
First, we need a matrix of connections for the chord diagram, and then we'll go the familiar route of path generators and adding elements. The matrix code will be useful later, so let's put it in helpers.js:
export ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.