The Copenhagen Wheel: Data Viz Journal I

The goal of the Copenhagen Wheel project is to create a smart, responsive and elegant emblem for urban mobility. It transforms ordinary bicycles quickly into hybrid e-bikes that also function as mobile sensing units. It allows you to capture the energy dissipated while cycling and braking and save it for when you need a bit of a boost. It also connect your bike to a larger community through smartphone to map pollution levels, traffic congestion, and road conditions in real-time.

I was recruited to visualize the data collected into interactive graphics. In the first review I set myself 3 goals: i) visual impact; ii) insightful interpretation; iii) support for easy reading & decision making.
Embedding sensors in bicycle wheels has obvious advantages that make the visualization interesting, such as mobility and realtime networking. However in current phase of the project, we had no prototypes finished, and could only expect around 15 sensors sent out before the final presentation. That data is too sparse on a city of 4 square km. Moreover, since we have loose control of where the riders go, it is almost impossible to get a filled map at a random time spot.

My first solution was what I called ‘merged time’: users saw data from different time on a merged map, but could also tell which are old and which are new. Data left a fading trace after them. Here is the first demonstration video I made for the concept.

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