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연구218

Converting UTM to Latitude and Longitude (Or Vice Versa) http://www.uwgb.edu/dutchs/UsefulData/UTMFormulas.HTM http://www.gpsy.com/gpsinfo/geotoutm/ 2007. 6. 7.
DOQQ: Digital Orthoimagery Quarter Quadrangles http://seamless.usgs.gov/website/seamless/products/1doqq.asp http://www.usgsquads.com/prod_doqq.htm A Digital Orthophoto Quadrangle (DOQ) is a computer-generated image of an aerial photograph in which the image displacement caused by terrain relief and camera tilt has been removed. The DOQ combines the image characteristics of the original photograph with the georeferenced qualities of a map. DO.. 2007. 6. 1.
DNC: Digital Nautical Chart http://www.nga.mil/portal/site/dnc/ The Digital Nautical Chart? is produced by the National Geospatial-Intelligence Agency (NGA) and is an unclassified, vector-based, digital database containing maritime significant features essential for safe marine navigation. Initial data collection of the database is from a portfolio of approximately 5,000 nautical charts that will ultimately provide global .. 2007. 6. 1.
DRG: digital raster graphic http://topomaps.usgs.gov/drg/ A digital raster graphic (DRG) is a scanned image of a U.S. Geological Survey (USGS) standard series topographic map, including all map collar information. The image inside the map neatline is georeferenced to the surface of the earth and fit to the Universal Transverse Mercator projection. The horizontal positional accuracy and datum of the DRG matches the accuracy.. 2007. 6. 1.