2 Structure

Foreword
Introduction (specification-specific content)
    Overview (specification-specific content)
    Conventions and notations (specification-specific content)
        Modal verbs (fixed content as defined in rule ASM-21)
        Normative and informative content (fixed content as defined in rule ASM-91)
    Deliverables (specification-specific content)
1 Scope (specification-specific content)
2 Normative references (specification-specific content)
3 Terms and definitions (specification-specific content)
4 Abbreviations (specification-specific content)
5 Backward compatibility (specification-specific content)
6 (First specification-specific heading and content)
Annexes (specification-specific content)
    Annex A (normative or informative): (specification-specific heading and content)
    Annex B (normative or informative): (specification-specific heading and content)
Bibliography (specification-specific content)
List of figures (content is generated automatically)
List of tables (content is generated automatically)

Foreword
Introduction
    Overview
    Conventions and notations
    Deliverables
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviations
5 Backward compatibility
6 General architecture
    6.1 File Structure
    6.2 Combining Files
    6.3 Overview of elements
    6.4 Attributes used in the file
    6.5 General rules and assumptions
7 Additional data
    7.1 User Data
    7.2 Including Data
    7.3 Using different layout types
    7.4 Description of the data quality
8 Coordinate systems
    8.1 Coordinate systems overview
    8.2 Inertial coordinate systems
    8.3 Reference line coordinate systems
    8.4 Local coordinate systems
    8.5 Summary of all available coordinate systems
    8.6 Georeferencing in ASAM OpenDRIVE
9 Geometry
    9.1 Road reference line
    9.2 Straight line
    9.3 Spiral
    9.4 Arc
    9.5 Generating arbitrary road courses from geometry elements
    9.6 Cubic polynom (deprecated)
    9.7 Parametric cubic curve
10 Roads
    10.1 Properties for road sections and cross section
    10.2 Road linkage
    10.3 Road type
    10.4 Methods of elevation
    10.5 Road surface
    10.6 Use cases for roads
11 Lanes
    11.1 Lane grouping within lane sections
    11.2 Lane sections
    11.3 Lane offset
    11.4 Lane linkage
    11.5 Lane properties
    11.6 Road markings
    11.7 Specific lane rules
12 Junctions
    12.1 Common junctions
    12.2 Incoming roads
    12.3 Connecting roads
    12.4 Direct junctions
    12.5 Virtual junctions
    12.6 Road surface within junctions
    12.7 Junction groups
    12.8 Controllers for junctions
13 Objects
    13.1 Repeating objects
    13.2 Object outline
    13.3 Object material
    13.4 Lane validity for objects
    13.5 Access rules to parking spaces
    13.6 Object marking
    13.7 Object borders
    13.8 Object reference
    13.9 Tunnels
    13.10 Bridges
    13.11 Object surface
14 Signals
    14.1 Lane validity for signals
    14.2 Signal dependency
    14.3 Links between signals and objects
    14.4 Signal positioning
    14.5 Reuse of signal information
    14.6 Controllers
15 Railroads
    15.1 Railroad tracks
    15.2 Switches
    15.3 Stations
Annexes
    Annex A (normative): Enumerations
    Annex B (normative): Data types
Bibliography
List of figures
List of tables

content/
├── _images/
│   ├── [first folder for images, named like the folder in the repository containing the documentation]/
│   ├── [second folder for images, named like the folder in the repository containing the documentation]/
│   └── ...
├── 00_preface/
│   ├── 00_foreword.adoc
│   └── 00_introduction.adoc
├── 01_scope/
│   └── 01_scope.adoc
├── 02_normative_references/
│   └── 02_normative_references.adoc
├── 03_terms_and_definitions/
│   └── 03_terms_and_definitions.adoc
├── 04_abbreviations/
│   └── 04_abbreviations.adoc
├── 05_backward_compatibility/
│   └── 05_backward_compatibility.adoc
├── 06_[first specification-specific main section]/
│   ├── 06_00_[first specification-specific main section].adoc
│   ├── 06_01_[first specification-specific sub section].adoc
│   ├── 06_01_[first specification-specific sub section].adoc
│   └── ...
├── 07_[second specification-specific main section]/
│   ├── 07_00_[second specification-specific main section].adoc
│   └── ...
├── ...
├── XX_annexes/
│   ├── [first specification-specific annex]/
│   │   ├── [first specification-specific annex].adoc
│   │   └── ...
│   └── ...
├── loft/
│   ├── list_of_figures.adoc
│   └── list_of_tables.adoc
├── _config.adoc
├── bibliography.bib
└── index.adoc

content/
├── _images/
│   └── ...
├── ...
├── loft/
│   └── ...
└── index.adoc

[preface]
include::00_preface/00_foreword.adoc[leveloffset=+1]
[preface]
include::00_preface/00_introduction.adoc[leveloffset=+1]

:sectnums:
include::01_scope/01_scope.adoc[leveloffset=+1]

include::02_normative_references/02_normative_references.adoc[leveloffset=+1]

include::03_terms_and_definitions/03_terms_and_definitions.adoc[leveloffset=+1]

include::04_abbreviations/04_abbreviations.adoc[leveloffset=+1]

include::05_backward_compatibility/05_backward_compatibility.adoc[leveloffset=+1]

include::06_general_architecture/06_00_general_architecture.adoc[leveloffset=+1]

include::07_additional_data/07_00_additional_data.adoc[leveloffset=+1]

include::08_coordinate_systems/08_00_coordinate_systems.adoc[leveloffset=+1]
include::08_coordinate_systems/08_01_coordinate_systems_overview.adoc[leveloffset=+2]
include::08_coordinate_systems/08_02_inertial_coordinate_system.adoc[leveloffset=+2]
include::08_coordinate_systems/08_04_local_coordinate_system.adoc[leveloffset=+2]
include::08_coordinate_systems/08_03_reference_line_coordinate_system.adoc[leveloffset=+2]
include::08_coordinate_systems/08_05_summary_coordinate_systems.adoc[leveloffset=+2]
include::08_coordinate_systems/08_06_geo_referencing.adoc[leveloffset=+2]

...

:sectnums!:
== Annexes
[appendix]
include::16_annexes/enumerations/map_uml_enumerations.adoc[leveloffset=+2]
[appendix]
include::16_annexes/map_uml_data_types.adoc[leveloffset=+2]


[bibliography]
== Bibliography
bibliography::[]

:sectnums!:
include::loft/list_of_figures.adoc[leveloffset=+1]

:sectnums!:
include::loft/list_of_tables.adoc[leveloffset=+1]

=== Normative and informative content

Content in this specification can be normative or informative.
The sections listed in <<tab-normative-informative-content>> are normative or informative per definition.
Further informative content is shown in table <<tab-informative-text-components>>.

[#tab-normative-informative-content]
.Normative and informative sections
[%header, cols=2*]
|===
|Section                                      |Indication
|Foreword                                     |Informative
|Introduction                                 |Informative
|Scope                                        |Normative
|Normative references                         |Informative
|Terms and definitions                        |Normative
|Abbreviations                                |Normative
|Backward compatibility                       |Normative
|First to last specification-specific section |Normative
|Annexes                                      |Annexes can be normative or informative. The annex heading contains the indication "(normative)" or "(informative)".
|Bibliography                                 |Informative
|===

All other sections in this specification are normative.

[#tab-informative-text-components]
.Informative text components
[%header, cols="25, 25, 50"]
|===
|Text components   |Indication  |Hints
|Notes             |Informative |The document shall be usable without notes.
|Footnotes         |Informative |The document shall be usable without footnotes.
|Examples          |Informative |The document shall be usable without examples.
|Sequence diagrams |Informative |The document shall be usable without sequence diagrams.
|===

Notes, footnotes, and examples shall not contain requirements or any information considered indispensable for the use of the document, for example, instructions or permission.

[#sec-modal-verbs]
=== Modal verbs

To ensure compliance with the {THIS_STANDARD} specification, users need to be able to distinguish between requirements, recommendations, permissions, possibilities and capabilities, and external constraints.

[#tab-modal-verbs]
.Verbal forms for expressions of provisions
[%header, cols="20, 15, 65"]
|===
|Provision                  |Verbal form        |Definition
|Requirement                |shall, shall not   |A requirement conveys objectively verifiable criteria to be fulfilled and from which no deviation is permitted if conformance with the document is to be claimed.
|Recommendation             |should, should not |A recommendation conveys a suggested possible choice or course of action deemed to be particularly suitable without necessarily mentioning or excluding others.
|Permission                 |may                |A permission conveys consent or liberty (or opportunity) to do something.
|Possibility and capability |can, cannot        |A possibility conveys expected or conceivable material, physical or causal outcome. +
                                                 A capability conveys the ability, fitness, or quality necessary to do or achieve a specified thing.
|External constraint        |must               |An external constraint or obligation on the user of the document, for example laws of nature or particular conditions existing in some countries or regions, that is not stated as a provision of the document.
                                                 External constraints are not requirements of the document.
                                                 They are given for the information of the user.
|===

<Official name of the standard> is a registered trade mark of ASAM e.V.