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Line 113: \|layers=topography \|precision_max=31m (1"arch) \|covered_area=[http://dds.cr.usgs.gov/srtm/version2_1/SRTM1/Region_definition.jpg USA and dependencies] (landmass only) \|datum=WGS 84 \|projection = ? \|extensions= .zip→.hgt \|size_compressed= ~4Mo \|size_uncompressed= ~30Mo \|tile_size= 1⁰ x 1⁰arch \|tiles_total= \|comment = for mapmaking of the USA. File name from the lower-left corner's coordinates (ex: N48E001.hgt.zip) }} * {{Cite GIS \|name=SRTM30 \|url_download=http://dds.cr.usgs.gov/srtm/version2_1/SRTM30 \|publisher= NASA \|year= 2000 \|license= Public Domain \|url_doc= http://dds.cr.usgs.gov/srtm/version2_1/Documentation/SRTM_Topo.pdf \|layers= topography \|precision_max= 930m (30"arch) \|covered_area= 60⁰N-56⁰S (landmass only) \|datum= WGS 84 \|extensions= .zip → 12 files \|size_compressed=<!-- various--> \|size_uncompressed= ? \|tile_size= 50°lat x 40°long \|tiles_total= ? \|comment = For very large maps anywhere in the world. Is a merge of SRTM and GTOPO30. File namimg from the top-left corner's coordinates. 12 files in the online folder, 10 are useful (to exclude: <tt>.jpg.zip</tt> et <tt>.gif.zip</tt>, which are previews). In [[3DEM]], après avoir décompressé ces 10 fichiers, sélectionner l'option <tt>GTOPO30 Tile</tt> puis dans la nouvelle fenêtre représentant la carte du monde, centrer le cadre sur la région d'intérêt et spécifier comme projection <tt>Lat/Lon</tt>. Naviguer dans l'arborescence et sélectionner le fichier <tt>.DEM</tt>.}} * {{Cite GIS \|name=SRTM Water Body Data (SWBD) \|url_download=http://dds.cr.usgs.gov/srtm/version2_1/SWBD \|publisher= NASA \|year= 2000 \|license= Public Domain \|url_doc=http://dds.cr.usgs.gov/srtm/version2_1/SWBD/SWBD_Documentation/SWDB_Product_Specific_Guidance.pdf \|layers= water bodies (major rivers, lakes, coastlines) \|precision_max= 31m (1"arch) \|covered_area= 60⁰N-56⁰S (landmass only) \|datum= WGS 84 \|extensions= .zip → .shp \|size_compressed= \|size_uncompressed= \|tile_size= 1⁰ x 1⁰arch \|tiles_total= \|comment= Vector layer, for waterways, lakes, and very precise coastline base on the sea's average level.}}<!-- ~~<!--~~ Line 126 ⟶ 123: (not working) [http://www.ngdc.noaa.gov/mgg/topo/gltiles.html GLOBE] (topography) 16 files/tiles to cover the all the Earth (landmass) medium quality; unzipped landmass file is ~1.8GB --> ~~-->~~ == Water bodies == Line 140 ⟶ 136: Bathymetry * {{Cite GIS \|name=Bathymetry vector (10m-bathymetry-all) \|url_download=http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/physical/10m-bathymetry-all.zip \|publisher=[http://www.naturalearthdata.com/ Naturalearthdata.com] \|year= 2009 \|license=Public ___domain \|url_doc=http://www.naturalearthdata.com/downloads/10m-physical-vectors/10m-bathymetry/ \|layers=major lakes polygons \|precision_max= \|covered_area=whole earth \|datum=WSG84 \|projection =Geographic projection(?<!-- what that ? source : http://www.naturalearthdata.com/features/ -->) \|extensions=.zip →.shp \|size_compressed=14.15Mb \|size_uncompressed=33.6Mb \|tile_size=whole Earth \|tiles_total=1 \|comment = For vector topographic map: speed up vectorization since it provide light vector for the sea.}} == Administrative layers == === Areas (polygons) ===

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