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Where to Find Open Data on the Web
2010-02-09 15:48:17 - by Nicolas Malevé

Sarah Perez lists "pretty good data sources that are already available" on readwriteweb.com

PNG - 3.5 kb
Replicating the Montage function

Through which, I had the pleasure of discovering the Datawrangling’s blog, itself full of resources.

Haïti and the importance of open maps.
2010-02-08 11:30:32 - by Nicolas Malevé

A bit after the fact, but still very interesting information. How Openstreetmap has been used to help NGO’s work in Haiti after the earthquake. A specific webpage has been set up for the occasion: http://www.openstreetmap.org.ph/

A thorough article by Camille Gévaudan, in ecrans.fr (in French).

Other informations in opensource.com

Quick selection of images:

- Map showing the depth of flooding, using OSM road data.

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flood depth

- Port au Prince before and After

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Port au Prince, before and after

Des logiciels libres aux données libres
2009-07-15 11:20:44 - by Nicolas Malevé

Un article fort complet d’ Yves Jacolin sur les logiciels et données libres pour la géomatique. On y apprend entre autres qu’ Openstreetmap adopterait une nouvelle licence (en remplacement de la licence Creative Commons actuelle) pour préciser davantage ce que signifie la réutilisation de données et les travaux dérivés.

Lire en ligne

(Merci P !)

Walking papers
2009-03-30 21:35:57 - by Nicolas Malevé

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«It’d be interesting for generated printouts of OSM data to encode enough source information to reconnect the scanned, scribbled-on result back with its point of origin, and use it as an online base map just like GPS traces and Yahoo aerial imagery.»

Read more of this beautiful idea

All streets
2008-12-10 10:18:30 - by Nicolas Malevé

All Streets, by Ben Fry
All streets: all of the streets in the lower 48 United States: an image of 26 million individual road segments. The last work of Ben Fry.

«The data in this piece comes from the U.S. Census Bureau’s TIGER/Line data files. The data is first parsed and filtered (to remove non-street features) using Perl. Next, using Processing, the latitude and longitude coordinates are transformed using an Albers equal-area conic projection (which gives it that curvy surface-of-the-Earth look that we’re used to), and then plotted to an enormous image that’s saved to the disk. »

Read more here for technical details and here to zoom in the project.

Geonames
2008-09-15 09:36:05 - by Nicolas Malevé

"The GeoNames geographical database is available for download free of charge under a creative commons attribution license. It contains over eight million geographical names and consists of 6.5 million unique features whereof 2.2 million populated places and 1.8 million alternate names. All features are categorized into one out of nine feature classes and further subcategorized into one out of 645 feature codes. (more statistics ...).
The data is accessible free of charge through a number of webservices and a daily database export. GeoNames is already serving up to over 11 million web service requests per day."

JPEG - 58 kb

An example of this data being used: Walter Rafelsberger has worked on a vizualisation of the worlds cities with a population of more than 1000, [...]. Cities with more than 5 million inhabitants are labeled.

Open Streetmap Brussels
2007-09-13 12:18:31 - by Nicolas Malevé

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Bru-osm logo

[EN]

On sunday the 16th of September Constant organises an Open Street Map
event in Brussels. We will collect GPS tracks in the center of Brussels
and upload them to the database of Openstreetmap.org. A warm welcome to
everyone who wants to help walk, cycle and help us upload and anotate the
traces. We aim to tackle the whole pentagon of Brussels, if we don’t make
it in one day, we’ll continue some other day. We will provide coffee, tea
and a warm hangout.

Meetingpoint:
-------------------
Sunday 16 september, 11:00
RECYCLART,
Station Bruxelles-Chapelle,
Rue des Ursulines 25
1000 Brussels
If you have a bike? Please bring it along!
Do you have a GPS device? Take it with you!

You don’t own a bicycle or GPS but you would like to use one?
please let us know:
Constant has 6 GPS devices to be used, and bikes we can rent easily.


More info + Contact


[FR]

Ce dimanche 16 septembre nous organisons une Open Streetmap party. Nous allons collecter des traces GPS de Bruxelles et les ajouterons à la base de données d’Openstreetmap.org. Tout le monde est le bienvenu pour parcourir la ville à bicyclette et récolter des traces ou pour aider à les uploader et les annoter. Le but de cette journée est de quadriller et tracer les rues du pentagone de Bruxelles. Nous fournirons du café, du thé et un espace de travail.

Poin de rencontre:
-------------------
Dimanche 16 septembre, 11:00
RECYCLART
Gare Bruxelles-Chapelle
Rue des Ursulines 25
Bruxelles 1000
Vous avez un vélo? amenez-le!
Vous avez un GPS, amenez-le!

Si vous n’avez pas de GPS (ou de vélo), mais vous voudriez en utiliser
un, faites-nous signe: Constant a six GPS à prêter et des vélos peuvent être facilement loués.
Plus d’info + Contact


[NL]

Op zondag 16 september organiseert Constant een Open Streetmap evenement.
We verzamelen GPS tracks in Brussel en voegen die toe aan de database van
Openstreetmap.org. Iedereen is van harte welkom om mee te fietsen en mee
te helpen de tracks te uploaden en annoteren. Het doel is om de gehele
vijfhoek van Brussel te traceren en in kaart te brengen. We zorgen voor
koffie, thee en een warme uitvalsbasis.
Heb je een fiets? neem hem mee !
Heb je een GPS? neem hem mee !

Als je geen fiets of GPS hebt, maar je zou er graag een willen gebruiken,
geef ons dan een seintje:
Constant heeft 6 GPS apparaten te leen en fietsen kunnen we regelen.

Onmoetingspunt:
-------------------
Zondag 16 september, 11:00
RECYCLART
Station Brussel-Kapellekerk
Ursulinestraat 25
1000 Brussel
Meer info + Contact