July 2011
Intermediate to advanced
278 pages
7h 20m
English
Content preview from Supercharged JavaScript Graphics
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Chapter 8. Google Visualizations
The Google Chart Tools API (application programming interface) is an extensive and growing set of data visualization tools that can add impressive visual impact to your data. If you’re picturing boring old pie and bar charts, then read on: interactivity, animation, and just plain fun are all part of the Google Chart Tools mix (Figure 8-1). In fact, there’s a lot more than just charts in Google Chart Tools:
Maps
Dynamic icons
Dials and “o-meter”-style displays
Formulas
QR codes (2D bar codes for physical-world hyperlinks)
Lots of third-party visualizations
The ability to create your own custom visualizations
Figure 8-1. Your accountant won’t appreciate a chart like this
The API’s expansive nature easily warrants a book of its own, so this chapter covers just the essentials required to get started, enabling you to make better use of the official online documentation (http://code.google.com/apis/charttools/index.html) to explore further. We will also develop some useful functions and examples to help you get the most out of Google Chart Tools.
Google Chart Tools is split into two distinct sections:
- Image charts (aka Chart API)
Image charts are created with a specially formatted URL that is passed to Google’s chart servers. The servers return a static image of the chart for inclusion in web pages. Typically, the URL is used as the value for an
<img>tagsrcattribute. ...
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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.