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ISO 19170-1:2021

Geographic information — Discrete Global Grid Systems Specifications — Part 1: Core Reference System and Operations, and Equal Area Earth Reference System

Edition date: 2021-05-11
In Force
Available languages: French, English
Summary:

This document supports the definition of:

—    A Discrete Global Grid Systems (DGGS) core comprising:

—    an RS using zonal identifiers with structured geometry, and

—    functions providing import, export and topological query,

—    Common spatio-temporal classes for geometry, topology, RS using zonal identifiers, zonal identifiers and zones, based on ISO 19111 CRS. The spatio-temporal scope is constrained to:

—    spatial elements that are invariant through all time, and

—    temporal elements that are invariant across all space.

—    Equal-Area Earth Reference Systems (EAERSs) for Equal-Area Earth DGGS.



Le présent document prend en charge la définition des éléments suivants:

—    des systèmes de grilles globales discrètes de base (DGSS), comprenant:

—    un RS utilisant des identificateurs zonaux avec une géométrie structurée; et

—    des fonctions permettant l'importation, l'exportation et la requête topologique;

—    des classes spatio-temporelles communes pour la géométrie, la topologie, les identificateurs zonaux à géométrie structurée, les identificateurs zonaux et les zones, se basant sur le CRS de l'ISO 19111. La portée spatio-temporelle est limitée:

—    aux éléments spatiaux qui sont invariants à travers le temps; et

—    aux éléments temporels qui sont invariants à travers l'espace;

—    aux systèmes de référence terrestre à surface équivalente (EAERS, Equal Area Earth Reference System) pour un DGGS terrestre à surface équivalente.
ICS: 35.240.70-IT applications in science
CTN: ISO/TC 211 - 54904

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