PUBLIC MARKS with tag gps

Elevation is a free, open source route visualizer that renders personal GPS data in 3D space, built in Processing by Dave Shea.

Vicente reinterprets the city of San Francisco as a grid for drawing pixel art using his bike, a map, and a GPS device.

On November 4-5, 25 Real Good Chairs will be dropped around NYC. Many chairs will be GPS-enabled. You can follow their journeys here.

Today we're excited to announce the next step for Google Maps for mobile: Google Maps Navigation (Beta) for Android 2.0 devices.

architects Irene Cheng and Brett Snyder “have created a virtual map to guide users around Manhattan to sites where projects they describe as ‘visionary’ were planned but never built. The map is available as an interactive iPhone application…that uses GPS technology to detect when a user is near any of the roughly 50 notable sites, triggering a feature that allows the user to learn about the proposal through the architect’s foiled designs and words.

"People think that there's nothing here but violence. But I want to show them! The favelas are above all places of life, of meetings," she said.

CoMob is an iPhone GPS tracking application A group of iPhone users can use the application simultaneously and see the location of each group member on the screen.

"... permet de calculer la distance totale, ainsi que le dénivelé, d'un parcours sportif effectué (jogging, footing, course à pied, vélo, roller...) en plaçant des points sur la carte."

These new interfaces enable developers to do nearly everything that you can do at http://blockchalk.com. It’s now possible to build client applications, mash-ups, and other tools based on BlockChalk geolocation data and services.

You can read the full API documentation here: BlockChalk API v0.6

So what does this mean? It means that BlockChalk is now more than just a nifty GPS app for your iPhone. It’s an open platform for storing and accessing user-generated content within a geographic context.

What makes the BlockChalk platform unique?

* It’s dead simple. There are no badges, medals, points, unicorns, pirates, or other viral gaming craziness. BlockChalk is about locations and the messages people leave there, that’s it.

“It’s a good way to get exercise and see the city,” said Mr. Montelongo, who is working on a series of GPS drawings based on the beloved video games of his youth. “You end up going on these streets that you would never otherwise go down.”