Monthly Archives: October 2013

Heatmap generation library using PHP and GD

Posted on October 12, 2013 by amplifier

While working on further development of my Helsinki public transport departures heatmap, I quickly noticed that heatmap.js, as good a library as it is, just can’t quite do all the things I needed it to do as fast as I’d … Continue reading →

Posted in IT | 13 Comments

HSL departures heatmap

Posted on October 7, 2013 by amplifier

I created a a simple application using the HSL open data XML dump, the MapQuest Javascript API and the heatmap.js library. Here’s a screenshot: The heatmap shows the number of departures from each stop in the HSL public transport system. … Continue reading →

Posted in IT, Making stuff, Transport | Leave a comment