Tuesday, October 09, 2007

USGS Ortho-Imagery Viewer/Downloads

Need Orthos?? The USGS is now offers seamless 1 meter Orthoimagery. This orthoimagery product is USGS Digital Orthoimagery Quarter Quadrangles (DOQQ), but as a seamless product. The source data is the original USGS DOQQ's. To see available areas, on the right side of the map interface, under the Display tab, click the arrow next to the category Layer Extent. A list of layers will appear, find the desired DOQQ Index and click the box next to it. This will automatically update the map with the index showing areas of coverage. As more data is loaded, they will be incorporated into the seamless system. See http://gisdata.usgs.gov/website/orthoimagery