ISO 14825:2011

INTERNATIONAL ISO
STANDARD 14825
Second edition
2011-07-15
Intelligent transport systems —
Geographic Data Files (GDF) — GDF5.0
Systèmes intelligents de transport — Fichiers de données
géographiques (GDF) — GDF5.0
Reference number
©
ISO 2011
©  ISO 2011
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Published in Switzerland
ii © ISO 2011 – All rights reserved

Contents Page
Foreword .vi
Introduction.vii
1 Scope .1
2 Normative references .1
3 Terms and definitions.2
3.1 General terms.2
3.2 Mathematical terms .3
3.3 Geodetical terms.4
3.4 GDF terms.6
4 Symbolization and notation elements .9
4.1 GDF symbolizations .9
4.2 UML notation .9
5 Overall conceptual data model.15
5.1 Conceptual data models in GDF.15
5.2 The general data model of GDF.15
5.3 The Attribute model .24
5.4 The Relationship model .27
5.5 Linear referencing.27
5.6 The Feature representation scheme .28
5.7 Time modelling.28
5.8 Data management: organisation of Feature data into Layers and Sections .29
6 Feature Catalogue.33
6.1 Generic specifications.33
6.2 Roads and Ferries.34
6.3 Administrative Areas .51
6.4 Named Areas .59
6.5 Land Cover And Use.63
6.6 Terrain Elevation.93
6.7 Structures .98
6.8 Railways.99
6.9 Waterways .100
6.10 Road Furniture .104
6.11 Services .107
6.12 Public Transport.108
6.13 Linear Referencing Features .112
6.14 Linear Datum Features .114
6.15 General Features.116
7 Attribute Catalogue.118
7.1 Generic specifications.118
7.2 Attributes .166
8 Relationship Catalogue .314
8.1 Generic Specifications .314
8.2 Relationship Types .342
9 Feature representation rules .387
9.1 Generic specifications.387
9.2 Roads and Ferries.403
9.3 Administrative Areas .406
9.4 Named Areas .408
9.5 Land Cover And Use .409
9.6 Terrain Elevation .410
9.7 Structures.410
9.8 Railways .413
9.9 Waterways.414
9.10 Road Furniture.415
9.11 Services.415
9.12 Public Transport.415
9.13 Linear Referencing Features.416
9.14 Linear Datum Features .416
9.15 General Features .417
10 Metadata Catalogue .418
10.1 Generic specification .418
10.2 Headers and terminators.420
10.3 Data Dictionary .436
10.4 Table of Contents .448
10.5 Source Material.453
10.6 Geodetic Parameters .459
10.7 Update Information .468
10.8 General Comment .468
11 Logical Data Structures .469
11.1 Introduction.469
11.2 Logical GDF Album .474
11.3 Datasets.476
11.4 Layers.500
11.5 Sections.501
11.6 Time Domain Syntax .519
11.7 Update Information .530
11.8 Common Data Types.532
12 Media Record Specifications .541
12.1 General specifications .541
12.2 Field specifications .555
12.3 Additional Constraints for Topological Features.598
12.4 Additional Constraints for Non-Explicit Topological Features: Order of Coordinate
triplets in Feature Records.599
12.5 Mandatory Records.599
12.6 Record Format Specifications: Global Records .599
12.7 Record Format Specifications: Data Records.650
12.8 Record Format Specifications: Update Information Records .684
13 XML schema specifications .687
13.1 Introduction.687
13.2 Data content.691
13.3 GDF XML schema.693
13.4 Schema GDF_Main.xsd.694
13.5 Schema GDF_data_dict.xsd.758
13.6 Schema GDF_userDefined.xsd.945
14 SQL encoding specifications.950
14.1 SQL design.950
14.2 Data content.
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