ISO 19170-1:2021

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

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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

PUBLISH DATE 2021
ISO 19170-1:2021

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.

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