Mapping Hacks

The GeoNames blog carries news of improved commercial service with performance guarantees. The flipside, of course, is a limit on requests that can be made to their free services.
The limit is set high enough that it should only affect those making heavy use of the GeoNames web services. They’ve come up with an interesting credit […]

A member of the Geowanking list asked for advice on pulling 700×700 element chunks out of a 50,000×50,000 element raster file.
And doing it in under 10 seconds, please.  That brings up the magical GDAL tools.  The Geodata Abstraction Library.  This is a set of libraries and command line tools which let you do just about […]

I have been perhaps a bit remiss in not mentioning this here sooner, but Mikel Maron and I are currently engaged in facilitating a series of mapping workshops all across India, informally known as Free Map India 2008. So far we have met with Indictrans in Pune, and organized two-day workshops focused on seeding OpenStreetMap […]