This is the current Landsat circa 1990/2000 coverage available. Click on the map above to zoom in/out, or 'Select Image' to open a new window (requires javascript) to view or download the Landsat scene.
CartoWeb is a comprehensive and ready-to-use Web-GIS (Geographical Information System) as well as a convenient framework for building advanced and customized applications.
Slashdot: "Giant Insect Invades Germany" hehe... Slashdot: "microsoft europe strenuously denied it was a bug from their code, 'ours are a few metres smaller.'"
PostGIS adds support for geographic objects to the PostgreSQL object-relational database. In effect, PostGIS "spatially enables" the PostgreSQL server, allowing it to be used as a backend spatial database for geographic information systems (GIS).
A. Frank, and R. Barrera. Design and Implementation of Large Spatial Databases, volume 409 of Lecture Notes in Computer Science, Springer Berlin Heidelberg, (1989)
S. Ahern, M. Naaman, R. Nair, and J. Yang. JCDL '07: Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, page 1-10. New York, NY, USA, ACM, (2007)