ISO 21219-4:2019 PDF

Intelligent transport systems — Traffic and travel information (TTI) via transport protocol experts group, generation 2 (TPEG2) — Part 4: UML to XML conversion rules

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Title (English):

ISO 21219-4:2019

Intelligent transport systems — Traffic and travel information (TTI) via transport protocol experts group, generation 2 (TPEG2) — Part 4: UML to XML conversion rules

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 40
Publication date:: July 24, 2019
Edition:: ISO IS 21219 edition 1 version 1
ICS:: 03.220.01

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Description (English):

This document specifies the rules for converting TPEG application UML models to the tpegML format description. It contains the XML format definition of the abstract data types defined in ISO 21219-2. Rules for converting compound data types are also defined.

Technical details

Technical committee: ISO/TC 204 - Intelligent transport systems
SKU: ISO 21219-4:2019

Abstract

Overview

ISO 21219-4:2019 - Intelligent transport systems (ITS): Traffic and travel information (TTI) via TPEG2 - Part 4 defines the UML to XML conversion rules for TPEG Generation 2 (TPEG2). The standard specifies how to convert TPEG application UML models into the tpegML format description, provides the XML (XSD) format definition for the abstract data types defined in ISO 21219-2, and sets out rules for converting compound data types. ISO 21219-4:2019 is intended as the normative basis for producing a tpegML annex in TPEG2 application and toolkit specifications.

Key technical topics and requirements

tpegML schema definition: Guidance on namespace naming (http://www.tisa.org/TPEG/TPEGDataTypes_[MajorVersion]_[MinorVersion]), default/target namespace usage and schema import rules.
XML Schema (XSD) settings: Recommendations that XSD elements and attributes be qualified, with elementFormDefault and attributeFormDefault set to “qualified”.
XML format description structure: A required annex naming convention ([Specification Identification], tpegML representation) with subclauses for Introduction and Application data type definition.
Abstract data types and ranges: XML definitions for the abstract data types from ISO 21219-2 and explicit handling of XML data type ranges.
Tables and enumerations: Rules for mapping TPEG standard tables, application tables (> stereotypes) and switching tables into XML.
Stereotype handling: Conversion rules for > types, including TPEG application externals and non-TISA external references (XML schema or binary).
Compound data types: Detailed conversion rules for classes, root elements, attributes, and specializations/abstract classes (see clauses such as 5.10 and its subrules).
Normative references: Alignment with ISO 21219-2 (UML modelling rules), ISO 21219-5 (service framework), and ISO 8601 (date/time representation).

Practical applications and users

ISO 21219-4:2019 is primarily used to enable reliable, interoperable XML representations of TPEG2 traffic and travel information. Typical users include:

Abstract

Overview

Key technical topics and requirements

tpegML schema definition: Guidance on namespace naming (http://www.tisa.org/TPEG/TPEGDataTypes_[MajorVersion]_[MinorVersion]), default/target namespace usage and schema import rules.
XML Schema (XSD) settings: Recommendations that XSD elements and attributes be qualified, with elementFormDefault and attributeFormDefault set to “qualified”.
XML format description structure: A required annex naming convention ([Specification Identification], tpegML representation) with subclauses for Introduction and Application data type definition.
Abstract data types and ranges: XML definitions for the abstract data types from ISO 21219-2 and explicit handling of XML data type ranges.
Tables and enumerations: Rules for mapping TPEG standard tables, application tables (> stereotypes) and switching tables into XML.
Stereotype handling: Conversion rules for > types, including TPEG application externals and non-TISA external references (XML schema or binary).
Compound data types: Detailed conversion rules for classes, root elements, attributes, and specializations/abstract classes (see clauses such as 5.10 and its subrules).
Normative references: Alignment with ISO 21219-2 (UML modelling rules), ISO 21219-5 (service framework), and ISO 8601 (date/time representation).

Practical applications and users

ISO 21219-4:2019 is primarily used to enable reliable, interoperable XML representations of TPEG2 traffic and travel information. Typical users include:

ISO 21219-4:2019 PDF

Technical details

Abstract

Overview

Key technical topics and requirements

Practical applications and users

Abstract

Overview

Key technical topics and requirements

Practical applications and users

Related standards

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