Navigation Data Standard - Format Specification Table of Contents
Copyright 2018
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- NDS e.V. All Rights Reserved.
No part of this document may be reproduced or utilized in any form or by any means,
electronic or mechanical, including photocopying and microfilm without permission in
writing from the author.
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4 Database Structure..................................................................... 81
4.1 Definition of Product Databases........................................................................ 82
4.1.1 URI and File Names................................................................................ 84
4.1.2 Definition of NDS Suppliers....................................................................85
4.1.3 Definition of DataScript Version............................................................ 85
4.2 Structure and Data of Product Databases......................................................... 85
4.2.1 Building Block Relation Table.................................................................89
4.2.2 Building Block Component Version Table.............................................. 90
4.2.3 Language Table.......................................................................................92
4.2.4 Data Model Version Table......................................................................94
4.2.5 Compatibility Matrix...............................................................................95
4.3 Logical Mapping of Tables to Building Blocks.................................................... 95
4.4 Distribution of Tables over SQLite Files............................................................. 96
4.5 Multiplexing/Striping for SQLite Files.............................................................. 101
4.6 Compression.....................................................................................................101
5 Shared Data Building Block: Update Region Metadata..............103
5.1 Level Metadata.................................................................................................103
5.2 Region Metadata..............................................................................................104
5.2.1 Flexible Attribute Maps in the Region Metadata.................................107
5.2.2 Storing Legal Speed Limits for Countries............................................. 107
5.3 Road Number Class Prefix Table...................................................................... 108
5.4 Additional Icons................................................................................................110
5.5 Address Format................................................................................................110
5.6 Region-specific Profiles.................................................................................... 111
5.7 Time Zones....................................................................................................... 111
5.7.1 Assigning Time Zones to Metadata Regions........................................ 112
6 Attributes.................................................................................113
6.1 Attribute Groups.............................................................................................. 113
6.1.1 Using the isInclusive Flag............................................................114
6.1.2 Rules for Attribute Groups...................................................................115
6.1.3 Evaluation of Attribute Groups............................................................ 116
6.1.4 Examples: Regulations Combined with Conditions.............................. 118
6.1.5 Example: Restricted Traffic on Lanes for Vehicle Types.......................119
6.1.6 Example: Prohibited Passage for Trucks during Specific Time
Periods................................................................................................................. 123
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更新于2023-03-03
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