EN ISO 19144-2:2023 PDF

Name: EN ISO 19144-2:2023 — Geoinformation - Klassifizierungssysteme - Teil 2: Meta-Beschreibungssprache für Landbedeckung (ISO 19144-2:2023)
SKU: EN ISO 19144-2:2023
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Geoinformation - Klassifizierungssysteme - Teil 2: Meta-Beschreibungssprache für Landbedeckung (ISO 19144-2:2023)

Название (английский):

EN ISO 19144-2:2023

Geoinformation - Klassifizierungssysteme - Teil 2: Meta-Beschreibungssprache für Landbedeckung (ISO 19144-2:2023)

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 159
Дата публикации:: 20 декабря 2023 г.
Издание:: CEN EN 19144 edition 1 version 1
ICS:: 35.240.70

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Описание (английский):

This document specifies a Land Cover Meta Language (LCML) expressed as a UML metamodel that allows different Land Cover classification systems to be described based on physiognomic aspects. This document recognizes that a number of Land Cover classification systems exist. It provides a common reference structure for the comparison and integration of data for any generic Land Cover classification system, but does not intend to replace those classification systems.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты EN

Overview - EN ISO 19144-2:2023 (Land Cover Meta Language, LCML)

EN ISO 19144-2:2023 defines the Land Cover Meta Language (LCML) as a UML metamodel for describing land cover classification systems based on physiognomic (appearance-based) attributes. Published by CEN/ISO, LCML provides a common reference structure to document, compare and integrate diverse land cover classification schemes without replacing existing national or thematic systems. The standard supports consistent metadata, semantic mapping and interoperability of land cover data across organisations and countries.

Key topics and technical requirements

UML metamodel representation: LCML is specified as a UML metamodel to formalize classes, relationships and attributes for land cover descriptions.

Physiognomic focus: Classification elements are defined by observable surface and vegetation characteristics rather than land use intent.

Meta-objects and modules: The standard defines LCML objects and packages (e.g., LC_Element, LC_VegetationElement, LC_GrowthForm) and domain subtypes such as:

LC_WoodyGrowthForm, LC_HerbaceousGrowthForm, LC_LichenAndMoss
LC_AbioticElement, LC_ArtificialSurfaceElement, LC_NaturalSurfaceElement
LC_WaterBodyAndAssociatedSurfaceElement, LC_BuiltUpSurface, LC_NonBuiltUpSurface, LC_RocksSurfaceElement, LC_SoilSandDepositsSurfaceElement

Design rules and layering: Guidance on classification system design, layering of attributes and general rules for class definition to improve comparability.

Geometric aspects & relation to land use: Discussion of geometric representation of classes and how land cover relates to land use concepts.

Conformance classes: Defines conformance testing and classes - notably:

Conformance class 1: Description of a Land Cover classification system
Conformance class 2: Comparison of Land Cover classification systems

Interoperability guidance: Mechanisms for documenting, comparing and integrating different classification schemes; reference to ISO 19144-1 where applicable.

Applications and practical value

Data integration: Harmonize land cover datasets from different sources (national, regional, remote sensing products) for environmental monitoring, land change analysis and modeling.

Semantic mapping: Support automated or manual crosswalks between classification schemes, improving data interoperability for GIS, remote sensing and decision-support systems.

Documentation & metadata: Provide a structured, machine-readable description of classification systems for catalogues, inventories and spatial data infrastructures (SDIs).

Quality assurance & comparison: Enable reproducible comparisons of mapping products and support conformance testing of classification implementations.

EN ISO 19144-2:2023 PDF

Abstract

Похожие стандарты

Overview - EN ISO 19144-2:2023 (Land Cover Meta Language, LCML)

Key topics and technical requirements

Applications and practical value

Who should use this standard

Related standards

Технические детали

ISO 19144-2:2023

Geographic information — Classification systems — Part 2: Land Cover Meta Language (LCML)

ISO 19144-1:2009/Cor 1:2012

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