Tagged: geo

Geospatial Revolution Episode 4 is available! 0

Geospatial Revolution Episode 4 is available!

From Penn State University and partners comes the fourth instalment in the Geospatial Revolution series [18 mins]. The programme is an “outreach initiative about the world of digital mapping and how it is changing the way we think, behave, and interact” – and it’s great for...

iOS4 devices track and store their location 0

iOS4 devices track and store their location

According to a presentation by two UK researchers at Where 2.0 conference, iOS4 devices constantly track and timestamp their location and dump that data into a file, which is shared with your desktop computer if you choose to backup your iPhone’s content. This presents a...

London Tube Maps 2

London Tube Maps

Much has been talked and theorised about, and much has been done to, the London Tube Map, the epitome of the intersection of information design and abstract network cartography. From fourthway comes now a handy tool to draw some interesting comparisons: The Real Underground allows you to...

Swiss maps on your website 2

Swiss maps on your website

Yesterday in the late afternoon the Swiss Federal Office of Topography (Swisstopo) declared (German) the exposure of maps via web service and opening up of their API (press release also only in German) through Swisstopo web access (brief description in English) with the following two options: WMTS option (Web Map...

Real-time visualizations of Singapore 0

Real-time visualizations of Singapore

In cooperation with local partners MIT’s Senseable City Lab has developed six real-time visualizations of the city of Singapore which is on display since April 8 in the exhibition LIVE Singapore!, co-curated with the Singapore Art Museum.

New method locates you within a few hundred metres 0

New method locates you within a few hundred metres

A new method developed by Wang et al. claims to be able to geolocate IP addresses much (they claim 50 times) more accurately than has been previously feasible. The new method uses a three-tier approach: 1) sending a data packet and measuring how long it...

GoopenStreetMaple: Information wants to be free 4

GoopenStreetMaple: Information wants to be free

A rant just arrived in my inbox, by Mikel Maron via the Geowanking mailing list. While I think Mikel has some valid points, I am still (naïvely?) optimistic that the bleak picture he paints will not materialise in really bad outcomes. Hopefully. But who knows....

OpenWhateverMap 0


As a sort of April fool’s joke (I guess) and a pun on the Open<XY>Map naming scheme somebody (Grant Slater of Firefishy?) set up an OpenWhateverMap: http://openwhatevermap.org It doesn’t quite deliver on the promise though, IMO, since it shows ‘only’ differently rendered OpenStreetMap tiles. It...

Potato earth 1

Potato earth

Above picture shows a potato-shaped earth. It’s called a geoid and shows the actual (but highly exaggerated) form of our planet. The surface of potato earth represents the form of an ideal surface which water would adopt if it covered the whole earth and if...


Geoprofiling using cellphone data (and some volunteered information)

By filing a legal suit against Deutsche Telekom German politician Malte Spitz (Green party) was able to obtain data recorded under the German preventive data retention act. He chose to publish the data which was collected in the timespan from August 2009 to February 2010...

Books on OpenStreetMap 0

Books on OpenStreetMap

While being familiar with the context of, and – from a GIS perspective – research into, OpenStreetMap (OSM) and other crowdsourcing efforts in the geospatial field, I was not aware that there are books dedicated to OSM. Over at Po Ve Sham Muki Haklay hosts...

TargetMap let’s you put your data on – well – a map 0

TargetMap let’s you put your data on – well – a map

Today I first heard about TargetMap. TargetMap is a mapping portal in public beta. Everybody can create customised maps with their own data (so-called ReportMaps). The interface for creating a ReportMap and the display of a ReportMap is implemented in Flash – and thus requires...