• Thumbnail for Discrete global grid
    A discrete global grid (DGG) is a mosaic that covers the entire Earth's surface. Mathematically it is a space partitioning: it consists of a set of non-empty...
    43 KB (3,199 words) - 03:26, 5 May 2025
  • Thumbnail for Military Grid Reference System
    The Military Grid Reference System (MGRS) is the geocoordinate standard used by NATO militaries for locating points on Earth. The MGRS is derived from...
    15 KB (2,136 words) - 19:17, 1 June 2025
  • BR-AM for Amazonas state). DGG cell ID. Identifier of a cell of a discrete global grid: a Geohash code (e.g. ~0.023 km2 cell 6vd23gq at Brazil's centroid)...
    36 KB (3,233 words) - 02:31, 6 June 2025
  • Thumbnail for Geodesic grid
    valid discrete global grid. Primarily, the cells' area and shape are generally similar, especially near the poles where many other spatial grids have singularities...
    12 KB (1,347 words) - 16:38, 16 April 2025
  • Page - Grid indices for astronomy Grid Traversal implementation details and applet demonstration PYXIS Discrete Global Grid System using the ISEA3H Grid...
    7 KB (903 words) - 20:59, 15 October 2023
  • Thumbnail for Ordnance Survey National Grid
    Ordnance Survey National Grid reference system (OSGB), also known as British National Grid (BNG), is a system of geographic grid references, distinct from...
    19 KB (2,175 words) - 10:16, 2 May 2025
  • Thumbnail for Digital elevation model
    objects, commonly of a planet, moon, or asteroid. A "global DEM" refers to a discrete global grid. DEMs are used often in geographic information systems...
    32 KB (3,352 words) - 06:36, 9 June 2025
  • Thumbnail for Projected coordinate system
    Bermuda National Grid Hellenic Geodetic Reference System 1987 (Greece) Israeli Transverse Mercator (NIG) Swedish grid (RT90) Discrete global grid (DGG) East...
    21 KB (2,805 words) - 00:44, 11 June 2025
  • Thumbnail for Irish grid reference system
    The Irish grid reference system is a system of geographic grid references used for paper mapping in Ireland (both Northern Ireland and the Republic of...
    7 KB (754 words) - 22:01, 25 March 2025
  • Thumbnail for Quadrilateralized spherical cube
    sphere for short, is an equal-area polyhedral map projection and discrete global grid scheme for data collected on a spherical surface (either that of...
    7 KB (822 words) - 20:59, 7 June 2025
  • {\displaystyle Comp(n,r)\leq r^{n}+1} Binary space partitioning Discrete global grid Polygon partition Tessellation Tomas Nikodym (2010). "Ray Tracing...
    6 KB (1,001 words) - 10:32, 3 December 2024
  • Thumbnail for Heightmap
    graphics, a heightmap or heightfield is a raster image used mainly as Discrete Global Grid in secondary elevation modeling. Each pixel stores values, such as...
    6 KB (624 words) - 12:16, 4 April 2024
  • Thumbnail for Triangulated irregular network
    entirely of triangular facets (a triangle mesh), used mainly as Discrete Global Grid in primary elevation modeling. The vertices of these triangles are...
    5 KB (620 words) - 22:45, 20 March 2024
  • Thumbnail for Global Positioning System
    The Global Positioning System (GPS) is a satellite-based hyperbolic navigation system owned by the United States Space Force and operated by Mission Delta...
    184 KB (19,110 words) - 08:39, 20 June 2025
  • of mesh#Classification of grids, in computational solutions of partial differential equations Lattice graph honeycomb (geometry) discrete global grid...
    10 KB (1,430 words) - 17:24, 2 March 2025
  • Thumbnail for Disdyakis triacontahedron
    figure, it has been studied for its potential use in constructing discrete global grid systems for satellite imaging. It is topologically related to a polyhedra...
    15 KB (1,361 words) - 12:10, 26 April 2025
  • projection Grid (spatial index), a discretization of a geometric domain into a set of contiguous cells, used to organize information Discrete global grid (DGG)...
    4 KB (628 words) - 13:24, 8 December 2024
  • of Discrete Global Grid Systems". ISPRS International Journal of Geo-Information. 4 (1): 320–336. doi:10.3390/ijgi4010320. OGC Discrete Global Grid System...
    28 KB (3,071 words) - 09:00, 6 June 2025
  • Thumbnail for Geographic coordinate system
    surface of Earth, without consideration of altitude or depth. The visual grid on a map formed by lines of latitude and longitude is known as a graticule...
    23 KB (2,540 words) - 22:18, 14 May 2025
  • Thumbnail for Polyhedral map projection
    useful for creating discrete global grids, as with the quadrilateralized spherical cube and Icosahedral Snyder Equal Area (ISEA) grids. The earliest known...
    9 KB (964 words) - 09:50, 24 June 2025
  • earth, represented as cells from a latitude- and longitude-based Discrete Global Grid at a hierarchical set of resolution steps, obtained by progressively...
    48 KB (6,096 words) - 06:31, 13 June 2025
  • Thumbnail for Universal Transverse Mercator coordinate system
    Polar Stereographic (UTM/UPS) coordinate system, which is a global (or universal) system of grid-based maps. The transverse Mercator projection is a variant...
    18 KB (2,858 words) - 13:14, 29 May 2025
  • Thumbnail for United States National Grid
    The United States National Grid (USNG) is a multi-purpose location system of grid references used in the United States. It provides a nationally consistent...
    54 KB (6,263 words) - 07:04, 3 June 2025
  • Thumbnail for Terrain
    objects, commonly of a planet, moon, or asteroid. A "global DEM" refers to a discrete global grid. DEMs are used often in geographic information systems...
    14 KB (1,586 words) - 00:01, 24 May 2025
  • Thumbnail for Earth's circumference
    Galileo (Europe) NAVIC (India) Quasi-Zenith Sat. Sys. (QZSS) (Japan) Discrete Global Grid and Geocoding Standards (history) International Terrestrial Reference...
    21 KB (2,443 words) - 15:24, 12 June 2025
  • Thumbnail for Spatial reference system
    following table: Examples of systems around the world are: Chinese Global Navigation Grid Code, China Israeli Cassini Soldner, Israel Israeli Transverse Mercator...
    15 KB (1,570 words) - 12:19, 7 May 2025
  • Thumbnail for Earth-centered, Earth-fixed coordinate system
    Earth-centered, Earth-fixed coordinate system (category Global Positioning System)
    system to actual locations on the Earth. The ECEF that is used for the Global Positioning System (GPS) is the geocentric WGS 84, which currently includes...
    9 KB (912 words) - 16:39, 14 December 2024
  • Thumbnail for Snyder equal-area projection
    map projection used in the ISEA (Icosahedral Snyder Equal Area) discrete global grids. It is named for John P. Snyder, who developed the projection in...
    3 KB (266 words) - 18:03, 4 August 2024
  • for geophysics Deutsche Grammophon Gesellschaft, a record label Discrete Global Grid Dutch Game Garden an organization with the aim of promoting and improving...
    648 bytes (115 words) - 21:39, 2 December 2024
  • Thumbnail for World Geodetic System
    World Geodetic System (category Global Positioning System)
    between various stations, and differences in elevation, all reduced to a grid of latitudes, longitudes, and elevations. Heritage surveying methods found...
    24 KB (2,842 words) - 03:41, 26 April 2025