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BS EN ISO 19123-1:2023

BS EN ISO 19123-1:2023

$215.11

Geographic information. Schema for coverage geometry and functions – Fundamentals

Published By Publication Date Number of Pages
BSI 2023 90
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This document defines a conceptual schema for coverages. A coverage is a mapping from a spatial, temporal or spatiotemporal domain to attribute values sharing the same attribute type. A coverage domain consists of a collection of direct positions in a coordinate space that can be defined in terms of spatial and/or temporal dimensions, as well as non-spatiotemporal (in ISO 19111:2019, “parametric”) dimensions. Examples of coverages include point clouds, grids, meshes, triangulated irregular networks, and polygon sets. Coverages are the prevailing data structures in a number of application areas, such as remote sensing, meteorology and mapping of depth, elevation, soil and vegetation. This document defines the coverage concept including the relationship between the domain of a coverage and its associated attribute range. This document defines the characteristics of the domain. The characteristics of the attribute range are not defined in this document, but are defined in implementation standards. Consequently, the standardization target of this document consists of implementation standards, not concrete implementations themselves.

PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
7 Foreword
9 Introduction
11 1 Scope
2 Normative references
3 Terms, definitions, abbreviated terms and notation
3.1 Terms and definitions
18 3.2 Abbreviated terms
4 Conformance
4.1 Notation
19 4.2 Interoperability and conformance testing
4.3 Organization
20 5 Coverages
5.1 Overview
21 5.2 Coverage packages
22 5.3 Probing coverages: evaluate() function
5.4 Domain of a coverage
5.4.1 Concept
23 5.4.2 Coordinates
24 5.4.3 Mathematical versus physical coordinates
5.4.4 Coordinate reference systems and axes
26 5.4.5 Coverage classification along topological dimensions
5.5 Range of a coverage
27 5.6 Interpolation
5.6.1 Concept
28 5.6.2 Discrete and continuous coverages
29 5.7 Common point rule
5.8 Realization variants
5.8.1 Overview
5.8.2 Geometry/value pair view
30 5.8.3 Domain/range view
31 5.8.4 Partitioned view
5.8.5 Functional view
5.9 Envelope
32 6 Multi-point coverages
33 7 Grid coverages
7.1 Overview
34 7.2 Grids
7.2.1 Grid definition
37 7.2.2 Grid axis types
40 7.3 Rectified and referenceable grid coverages
41 7.4 Grid cells
7.4.1 Grid cell concept
42 7.4.2 Pixel-in-centre, pixel-in-corner
7.5 Grid coverage
43 7.6 Further grid coverage types
44 8 Multi-curve coverages
8.1 Overview
45 8.2 General multi-curve coverages
8.3 Segmented curve coverages
46 9 Multi-surface coverages
9.1 Overview
9.2 General multi-surface coverages
47 9.3 Further surface coverages
9.3.1 General
9.3.2 Thiessen polygon coverages
48 9.3.3 Triangulated irregular networks (TINs)
49 10 Multi-solid coverages
51 Annex A (normative) Conformance tests
55 Annex B (informative) Interpolation methods
59 Annex C (informative) Sequential enumeration
70 Annex D (normative) Legacy data-centric coverage specification
87 Bibliography

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BS EN ISO 19123-1:2023
$215.11