(Data West Research Agency definition: see GIS glossary.) Map graphic features or elements can be classified as points, lines, areas, or "raster." In GIS, these features are grouped together to ...

Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

“Overall, hurricane track forecasts are gradually improving, meaning that in general, there is less uncertainty where a storm ...

More colors, better information. The National Hurricane Center maps may look a bit different this year. This is an example ...