:MeetPi

Here’s a small applet I created in Processing which shows a visualisation of Qantas flights for a 24 hour period on the 11 March 2008. The data is scraped directly from the Qantas timetables on their web site and saved into a text file. The applet then loads to text file and interprets airport destinations and departures as cartesian coordinates that correspond with the relative position of the airports. These do not represent the actual flight paths of the aircraft (I don’t have that data) – instead it assumes a straight line of flight between airports. For this scale it’s probably close enough.

Only flights between major airports are plotted – there’s no data here for the myriad regional flights that happen every day, and there’s no international flights – it’s all domestic Qantas flights only. Some time in the future I’ll probably expand this to plot in real time over a map with more flight data.

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I was mucking about with processing a little while ago and made a little gravity simulator. The basic particle interactions can be seen here. Most people using processing don’t seem to use it to produce animations like this, but instead use various techniques (mainly alpha-blending) to construct procedural images. My colleague Mitchell Whitelaw has some examples of basic explosion modelling on his web site.

My example depicts particle mass as size, and velocity as colour. If you render the particles with a low alpha and don’t clear the screen between updates, you get this.

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