May 2019
Beginner to intermediate
650 pages
14h 50m
English
Content preview from Learn D3.js
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Semantic zoom
The transform object and its scale() and transform() methods generate ready-to-use SVG transform strings and are great for geometric zooming, which basically increases or reduces the size of the graphical elements. But many times users expect more than just scaling when zooming in and out. When you apply an SVG transform to a shape, it affects not only its size, but also the size of its descendant elements, font sizes, and stroke widths. When zooming into a scatter plot, one-pixel dots suddenly become large circles. In a map, thin country borders can become thick rectangles.
Semantic zoom assigns meaning to each zoom level. If the data that is displayed changes when you zoom in and out, you have semantic zooming. It may be as ...
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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.