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05/10
14:33
Map of Paris: Visualizing Urban Transportation
What is your mental map of a city? I bet it’s not measured in miles. This project is part of my work in the SENSEable City’s workshop this semester. In these distorted maps of Paris, the distance between a spot and the city center is not proportional to their geographical distance, but the cost taken to get there.
Standard map vs. driving time map of Paris: the city center expands from congestion, and the edge is denser.

Comparing the isochronic map of Paris under different transportation modes: (unit: minutes, click to zoom in)

Think driving is better? However, if we map the city using carbon footprint as distance: (unit: kg CO2, click to zoom in)

In the workshop I proposed an alternative to Google Maps on smartphone map services. I call it an isogreenic map. This would have a psychological influence on the user when he decides which transportation makes the trip easier:
Made with Processing.
Vector map: openstreetmap.org
Connection data: Google Directions, RATP.com
A demo video that shows how the transformation works:



Joao Pereira
June 2, 2010
4:37 am
This is a story of a Portuguese newspaper on a tool developed by a team of engineers at the University of Minho (Braga – Portugal), which will enable to trace routes on GPS devices, based on criteria of air and noise pollution.
http://www.correiodominho.com/noticias.php?id=29303
It my be another way of seeing the maps.
Xiaoji
June 2, 2010
10:09 am
Thanks! Do you know how the system measures the pollution level of a given route? What is the resolution of their data and is it updated real-time?
We had a similar project the Copenhagen Wheel last year, using crowd sourcing to monitor fine-grid environment quality of the city.
jerome cukier
June 2, 2010
3:49 pm
it’s a fascinating project.
I’m curious how you got your data esp. transportation time from A to B using different modes? thanks
Xiaoji
June 2, 2010
6:53 pm
I used Google Directions API.
淬念
June 3, 2010
4:39 am
从visualcomplexity 看到这个作品的介绍,发现一位大牛妹妹,well done,xiaoji.
Ricardo
June 6, 2010
5:18 pm
Just to let you know that I blogged you:
http://charneira.blogspot.com/2010/06/mapping.html
Die “isogreenic map” – Eine neue Sicht auf Paris » Gelbzucht Blog
June 16, 2010
7:32 am
[...] angeben würde? Genau das hat Xiaoji Chen für Paris ausprobiert und dargestellt: ”Map of Paris: Visualizing Urban Transportation” “…In these distorted maps of Paris, the distance between a spot and the city [...]
m@ik
June 16, 2010
7:34 am
Thanks for that, interesting post. I like the idea and the apporoach of the isogreenic map.
http://blog.gelbzucht.de/index.php/die-isogreenic-map-eine-neue-sicht-auf-paris/
I blogged you, too.
p90x
July 14, 2010
7:28 am
I have found this cool blog post and I should say to you thank you so much for giving this post to us.
rafael p.
July 15, 2010
6:44 pm
Truly beautiful idea!
I blogged you, too.
http://urbandemographics.blogspot.com/2010/07/isochronic-and-isogreenic-maps.html
Bogdan
July 28, 2010
8:27 am
Hi,
It’s wonderfull what you have done, but I think the sources are not quitte good. Eg: from Louvre to Massy(91) it takes me 1h on sunday by bicycle, by N20. And I’m not Lance Armstrong !
So, the ideea is excellent, but pay attention to sources.
Ty !
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calvin
August 10, 2010
10:19 am
hi there, I saw your map on visualcomplexity.
I’m really impressed by your work !
Do you take traffic jam/density into account for the time calculation ?
I imagine it’s difficult but possible to work this out with GPS in the area or something like that.
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