This is the launch page for finding information about GIS data: what is geographic data and the different types (vector versus raster), what are errors in GIS data, metadata, and where to find GIS data on the Internet. Introduction to GIS Data Geodatabases Explored – Vector and Raster Data Vector […]
imagery
GIS Data
Capturing the Gulf of Mexico Oil Slick
NASA has put together an informative page on the challenges of capturing imagery of the Gulf of Mexico oil slick and why new images aren’t posted each day. Terra and Aqua satellites are the only two NASA satellites that can provide pictures in near real-time. But unlike weather satellites that […]