June 2017
Beginner to intermediate
368 pages
8h 31m
English
Content preview from Moodle 3.x Developer's Guide
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Rendering a bubble chart
D3.js being a JavaScript library, we need to implement a JavaScript function to load when the page is loaded to create the chart. The function can be loaded via an AMD module (refer to Chapter 5, Creative Teaching - Developing Custom Resources and Activities, for more details). Recall that the new module needs to reside in the /amd/src folder:
This is the JavaScript code (an AMD module) to display the chart:
define(['jquery'], function($) { var t = { drawChart: function(chartEl, dataset) { var dataset = $.parseJSON(dataset); var diameter = 600; var color = d3.scaleOrdinal(d3.schemeCategory20); var bubble = ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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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.