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The "globe", in the DGG concept, has no strict semantics, but in geodesy a so-called "grid reference system" is a grid that divides space with precise positions relative to a datum, that is an approximated a "standard model of the Geoid". So, in the role of Geoid, the "globe" covered by a DGG can be any of the following objects:
Eagle,_Globe,_and_Anchor.png (200 × 208 pixels, file size: 9 KB, MIME type: image/png) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
Date/Time Thumbnail Dimensions User Comment; current: 05:19, 4 March 2009: 400 × 440 (84 KB): Gringer {{Information |Description={{en|1=SVG version of File:Globeanchor.png, created from inner globe and anchor of File:USMC_logo.svg, then scaled 200% to preview better in commons.}} |Source=File:USMC_logo.svg |Author=~~~ |Date=2009-03-04 |Perm
A geodesic grid is a global Earth spatial reference that uses polygon tiles based on the subdivision of a polyhedron (usually the icosahedron, and usually a Class I subdivision) to subdivide the surface of the Earth.
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