Wikipedia:Graphics Lab/Resources/GIS sources and palettes: Difference between revisions
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* {{Cite GIS |name=ETOPO1 |url_download=http://www.ngdc.noaa.gov/mgg/global/global.html |publisher=[[NGDC]]-[[NOAA]] |year=2009 |license= Public ___domain |tag= standard |url_doc=http://www.ngdc.noaa.gov/mgg/global/etopo1sources.html |layers=topography & bathymetry |precision_max=1850m (1minute arch) |covered_area= all Earth (90N-90S, landmass & sea floor) |datum=WSG 84 |projection = (?) |extensions=.zip → .tif and others |size_compressed=326Mo |size_uncompressed=900Mo |tile_size=whole earth |tiles_total= 1 |comment = Perfect for very large maps (ex: > France). Download: [http://www.ngdc.noaa.gov/mgg/global/relief/ETOPO1/data/ice_surface/grid_registered/georeferenced_tiff/ ETOPO1 Ice Surface (grid registered)], [http://www.ngdc.noaa.gov/mgg/global/relief/ETOPO1/data/bedrock/grid_registered/georeferenced_tiff/ ETOPO1 Bedrock (grid-registered)]. nb: ETOPO1 is a better data than ETOPO2 (lower quality). |editor_note= }} Citation: “Amante, C. and B. W. Eakins, ETOPO1 1 Arc-Minute Global Relief Model: Procedures, Data Sources and Analysis. NOAA Technical Memorandum NESDIS NGDC-24, 19 pp, March 2009.”
* {{Cite GIS |name=GTOPO30|url_download=http://demex.cr.usgs.gov/DEMEX/ |publisher= NASA / USGS |year= YYYY? |license= license? |tag= standard |url_doc= |layers= topography |precision_max= 930m (30"arch) |covered_area= World (landmass only) |datum= WGS 84 |extensions= .tif |size_compressed= |size_uncompressed= |tile_size= on command |tiles_total= 1 |comment= While ETOPO have to be the whole earth, this once can be a selected area such as Spain, and thus 'may be' more convenient for country-size project.|editor_note=}}
NASA [[Shuttle Radar Topography Mission]] (SRTM) Digital Elevation Model. Including SRTM1 (1 arch-sec = 31m), SRTM3 (3 arch-sec = 93m), SRTM30 (30 arch-sec = 930m). [http://dds.cr.usgs.gov/srtm/version2_1/Documentation/SRTM_Topo.pdf Documentation], [http://www2.jpl.nasa.gov/srtm/ introduction]. WGS84/EGM96 geoid?
* {{Cite GIS |name=ASTER|url_download=http://demex.cr.usgs.gov/DEMEX/ |publisher= NASA / USGS |year= ? |license= Public Domain |tag= standard |url_doc= |layers= topography |precision_max= 31m (1"arch) |covered_area= World (landmass only) |datum= WGS 84 |extensions= .tif |size_compressed= |size_uncompressed= |tile_size= on command |tiles_total= 1 |editor_note= The finest topographic we have, still some distortions know.}}<!-- ASTER, SRTM1 et SRTM3 -->
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