Geographic information - Discrete Global Grid Systems Specifications - Part 1: Core Reference System and Operations, and Equal Area Earth Reference System
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.
| SDO | ISO: International Organization for Standardization |
| Document Number | ISO 19170 |
| Publication Date | May 1, 2021 |
| Language | en - English |
| Page Count | |
| Revision Level | |
| Supercedes | |
| Committee | ISO/TC 211 |
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