August 2014
Intermediate to advanced
180 pages
3h 41m
English
Content preview from Leaflet.js EssentialsBecome 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,
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.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.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.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.
Creating heatmaps with heatmap.js
Creating a heatmap that uses intensity can be accomplished in Leaflet using heatmap.js. You can get heatmap.js at http://www.patrick-wied.at/static/heatmapjs/index.html. This includes the plugins for leaflet.js and other mapping packages. The process to create the heatmap is similar to the previous example. The following steps will walk you through creating a heatmap:
- Using
LeafletEssentials.html, add a reference toheatmap.jsandheatmap-Leafletwith either a URL to a remote copy or the path to your local copy, as shown in the following code:<script type="text/javascript" src="http://www.patrick-wied.at/static/heatmapjs/src/heatmap.js"></script> <script type="text/javascript" src="http://www.patrick-wied.at/static/heatmapjs/src/heatmap-Leaflet"></script> ...
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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.