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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Geography
Geospatial data types are used for weather or population data—anything where you want to draw a map. Converting real-world coordinates into something representable on a 2D plane is a complex mathematical problem that has spanned centuries of human history.
D3 gives us three tools for geographic data:
- Paths produce the final pixels
- Projections turn sphere coordinates into Cartesian coordinates
- Streams speed things up
The main data format that we'll use is TopoJSON, a more compact extension of GeoJSON, created by Mike Bostock. In a way, TopoJSON is to GeoJSON what DivX is to video. While GeoJSON uses the JSON format to encode geographical data with points, lines, and polygons, TopoJSON encodes basic features with arcs and reuses them to build ...
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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.
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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.