Wikipedia:Graphics Lab/Resources/QGIS/Get ready: Difference between revisions

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{{see also|:fr:Aide:Cartographie/Ressources cartographiques géoréférencées#Sources des données|:de:Hilfe:GMT#Topographische_Datens.C3.A4tze}}
 
[[file:QGis_ETOPO1_vs_SRTM3_-_quality_match.jpeg|thumb|700px600px|Quality comparison between ETOPO1 (pixelated) and SRTM3 (smoother) data sets. This difference doesn't matter for making large maps with coverage greater than 1000km (~620mi) across.]]
 
[http://www.ngdc.noaa.gov/mgg/global/global.html ETOPO1] ([[topography]]/[[bathymetry]])