Date archive for December, 2000
| December 19, 2000Remote-Sensing TechnologiesFeatures, Remote SensingRemotely-sensed imagery from aircraft and satellites represent one of the fastest-growing sources for raster GIS data. While remote-sensing technology has been around for decades, recent technological advances and legislative changes have led to an dramatic increase in the types of imagery available. In the U.S., due to recent legislative changes and the repeal of the ... read more December 11, 2000Focus on California – the search for free dataData, FeaturesIf you are looking for comprehensive and free data for a project, California hosts a wide range of federal, state and local agencies that readily make their data available at no cost. Many of these datasets can be easily downloaded from the Internet. Most can be found in common GIS and CAD formats such as ... read more |
