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ISO 19109:2025

Geographic information - General feature model and rules for application schema
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ISO 19109:2025

Geographic information - General feature model and rules for application schema

PUBLISH DATE 2025
ISO 19109:2025

This document defines the General Feature Model (GFM) as the metamodel for creating application schemas in the context of geo-information modelling. The GFM is explained and implemented as rules for creating and documenting application schemas, including principles for the definition of features.

This document is applicable to:

—     conceptual modelling of features and their properties from a universe of discourse;

—     definition of application schemas;

—     general rules for using a conceptual schema language for application schemas;

—     rules for application schemas using UML as the conceptual schema language;

—     transition from the concepts in the conceptual model to the data types in the application schema;

—     integration of standardized schemas from other ISO geographic information standards with the application schema.

This document does not apply to:

—     choice of one particular conceptual schema language for application schemas;

—     definition of any particular application schemas;

—     representation of feature types and their properties in a feature catalogue;

—     representation of metadata;

—     rules for mapping one application schema to another;

—     implementation of the application schema in a computer environment;

—     computer system and application software design;

—     programming.

SDO ISO: International Organization for Standardization
Document Number ISO 19109
Publication Date Jan. 1, 2025
Language en - English
Page Count
Revision Level
Supercedes
Committee ISO/TC 211
Publish Date Document Id Type View
Jan. 1, 2025 ISO 19109:2025 Revision
Dec. 15, 2015 ISO 19109:2015 Revision