Geohash PHP class

Thursday, 28 February 2008, 0:43 | Category : Geodata, Software Development
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geohash.org popped up recently with a method of generating short hash codes for geographical locations. The codes have some interesting properties and the algorithm is documented on wikipedia.
I recently started doing a Project Euler problem a day as a fun diversion. I found the geohash algorithm intriguing, so it became my “Euler problem” for the [...]

Yahoo ZoneTag

Wednesday, 11 July 2007, 8:43 | Category : Geodata, Geograph
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Now that I’ve got pastebin back on an even keel, there’s lots of Geograph work to be done. I’ve been slowly working on a tagging engine which is nearing completion, but this morning Barry Hunter pointed me in the direction of Yahoo’s ZoneTag project (via HighEarthOrbit)
ZoneTag can suggest your location and tagging information based on [...]

PhotoSynth

Thursday, 7 June 2007, 20:08 | Category : Geodata, Geograph
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I’ve heard about PhotoSynth, Microsoft’s rather cool technology for placing photos within a 3D space, but this Photosynth demo by its architect Blaise Aguera y Arcas is truly impressive – listen to the gasps from the audience as the penny drops on what they are seeing.
I’d love to throw it at some Geograph squares – [...]

Geolocated Wikipedia articles in Google Earth

Thursday, 26 October 2006, 14:28 | Category : Geodata
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Here’s a neat idea – a Google Earth KML file of geolocated wikipedia articles. As you roam the Earth, see links to relevant articles popup. Might be even better as a dynamic link, so that Google Earth simply requests articles for the field of view, then it could stay updated, but still, a nice concept!