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 like to get them done. I decided to move some of the functionality on the… Continue reading Heatmap generation library using PHP and GD
Month: October 2013
HSL departures heatmap
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. It essentially answers the question “How easy is it to get away from here?”. Or,… Continue reading HSL departures heatmap