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=== Welcome to the {{rml|3|R=no|link=no}} Wiki / {{Deu| Willkommen im {{rml|3|R=no|link=no}}-Wiki}}===
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|style="width:45%" | {{rml}} ('''rail'''way '''M'''arkup '''L'''anguage) is an open, {{wiki|XML}} based data exchange format for data interoperability of railway applications. For further information please visit the {{site|https://www.railML.org|official project website|mode=silent}} or {{wiki|RailML|{{rml|link=no}} on Wikipedia}}.

This wiki is dedicated to all Versions of {{rml|3}}. A separate {{rml|2 Wiki}} is available. This wiki should support you in the development of {{rml|3}} interfaces and inform you about the basic elements and modelling concepts of the {{rml|3}} schema.

You are invited to contribute to this wiki and to the development of the {{rml}} schema. Please, see our guideline "''[[dev:How_to_join,_edit_and_create_the_railML_wiki#How_to_join_the_Wiki|How to edit and contribute to the Wiki]]''" to get to know the standards of railML's wiki and the procedure for getting a writer's account. You can find further guidelines on {{rml}} in section [[#Users_and_Developers_Guides]].

This wiki is currently being kept only in English.
|style="width:*" | {{Deu|{{rml}} ('''rail'''way '''M'''arkup '''L'''anguage) ist ein offenes, {{wiki|XML}}-basiertes Datenaustauschformat zur gegenseitigen Benützbarkeit der Daten von Anwendungen im Eisenbahnbereich. Für weitere Informationen besuchen Sie bitte die {{site|https://www.railML.org|offizielle Projektwebsite|mode=silent}} oder {{wiki|de:railML|{{rml|link=no}} auf Wikipedia}}.}}

{{Deu|Dieses Wiki ist sämtlichen Versionen von {{rml|3}} gewidmet. Finden Sie auch {{wiki2|Main Page|{{rml|2|link=no}} Wiki}}. Ziel dieses Wikis ist, Sie bei der Entwicklung von {{rml|3}}-Schnittstellen zu unterstützen und Sie über die grundlegenden Elemente und Modellierungskonzepte des {{rml|3}}-Schemas zu informieren.}}

{{Deu|Sie sind herzlich eingeladen, sich an der Entwicklung dieses Wikis sowie des {{rml}}-Schemas zu beteiligen. Lesen Sie dazu bitte unseren Leitfaden ''„[[dev:How_to_join,_edit_and_create_the_railML_wiki#How_to_join_the_Wiki|How to edit and contribute to the Wiki]]“'', um sich mit den Standards des {{rml}}-Wikis vertraut zu machen und die Vorgangsweise zur Erteilung eines Autorenaccounts kennenzulernen. Weitere Leitfäden, die {{rml}} betreffen, finden Sie im Abschnitt [[#Users_and_Developers_Guides]].}}

{{Deu|Dieses Wiki wird derzeit ausschließlich auf}} Englisch {{Deu|geführt.}}
|}

== Current {{rml}} subschemas ==

Currently, there are two subschemas available for productive use: Infrastructure (IS) and Interlocking (IL). The Timetable and Rostering (TT) and Rollingstock (RS) subschemas are in active development and can be obtained for development and test purposes. Elements that do not fit into this structure are subsumed in the class Common (CO).

Open {{coordinators}} for a list of the current coordinators of the respective schemas and their contact data.

Further subschemas could potentially be developed according to the needs of the community.
=== Interlocking (IL) ===
{{main|Interlocking}}
The [[interlocking|interlocking subschema]] will focus on information that infrastructure managers and signal manufacturing industry typically maintain in signal plans and route locking tables:
*Data transfer: a standard data exchange format will allow the automation of data transfer, which is the process of adapting a railway interlocking and signaling system to a specific yard.
*Simulation programs: the {{rml}} IL schema allows modelers to quickly absorb information about the interlocking systems such as timing behavior and routes and analyze the impact on railway capacity.

The subschema is developed with the participation of some European infrastructure managers and the signal manufacturing industry based on {{external|https://www.railtopomodel.org|RailTopoModel}}. A list of use cases for the {{rml}} interlocking schema can be found on page [[:Category:Use case (IL)]].

=== Infrastructure (IS) ===
{{main|Infrastructure}}
The {{rml}} [[Infrastructure|Infrastructure subschema]] is focused on the description of the railway network infrastructure including all its various facets that are needed by the data exchange applications. In particular, the {{rml}} infrastructure schema contains the following information:
* {{IS:Tag|topology}}: The track network is described as a topological node edge model, partly explained by the '''[[IS:topology|Simple example]]'''.
* Coordinates: All railway infrastructure elements can be located in an arbitrary 2- or 3-dimensional coordinate system, e.g. the {{wiki|World_Geodetic_System#WGS84}} that is widely used by today's navigation software.
* {{IS:Tag|geometry}}: The track geometry can be described in terms of {{@|radius|IS:horizontalCurve}} and {{@|gradient|IS:gradientCurve}}.
* Railway infrastructure elements: They enclose a variety of railway relevant assets that can be found on, under, over or next to the railway {{IS:Tag|track}}, e.g. {{IS:Tag|balise}}s, {{IS:Tag|platformEdge}}s, and {{IS:Tag|levelCrossingIS}}s.
* Further located elements encompass elements that are closely linked with the railway infrastructure, but that "cannot be touched", e.g. {{CO:Tag|speedProfile}}s and track conditions.
A list of use cases for the {{rml}} infrastructure schema can be found on page [[:Category:Use case (IS)]].

=== Rollingstock (RS) ===
{{main|Rollingstock}}
The [[rollingstock|rollingstock subschema]] is part of the complete {{rml}} schema providing a data structure in {{wiki|XML}} language for the exchange of railway specific data.

The rollingstock schema provides a container for all data about any kind of rail vehicle including locomotives, multiple units, passenger and freight wagons. The second part of the schema enables the combination of single vehicles to formations as a fixed composition within a train or an entire train. It is intended to use this data schema for vehicle management as well as for detailed run-time calculations.

The Rollingstock schema comprises the following features:

* separate parts for vehicles and for train parts or complete trains
* possible specification of vehicle families and individual vehicles using the common features of the family
* different level of detail for data
** vehicles as black boxes (with respect to dynamic characteristics) with only mean values
** vehicles as black boxes (with respect to dynamic characteristics) with curves for particular values being variable within the operating range
** vehicles as white boxes with details about the internal propulsion system
* vehicles with motive power, for passenger or freight use
* combination of vehicles to formations, i.e. train parts or complete trains

=== Timetable and Rostering (TT) ===
{{main|Timetable|Timetable and Rostering}}
The [[timetable|timetable subschema]] is part of the complete {{rml}} schema providing a data structure in {{wiki|XML}} for the exchange of railway specific data. It is the subschema that is most widely used.

The timetable subschema is used for all data necessary to exchange any kind of timetable for operational or conceptional purposes including the following information:
* Operating Periods: The operating days for train services or rostering.
* Train Parts: The basic parts of a train with the same characteristics such as formation and operating period. The train part includes the actual information regarding the path of the train as a sequence of operation or control points together with the corresponding schedule information.
* Trains: One or more train parts make up a train and represent either the operational or the commercial view of the train run.
* Connections: The relevant connections/associations between trains at a particular operation or control point.
* Rostering: Train parts can be linked to form the circulations necessary for rostering (rolling stock schedules).
A list of use cases for the {{rml}} timetable schema can be found on page [[:Category:Use case (TT)]].

=== Common (CO) ===
{{main|Common}}
The [[Common]] class shall cover all topics, which affect all other railML-schemas alike.

The actual planned tasks and enhancements can be found in {{ticket|2=2|3=the {{#vardefine:space|{{#if:2|&#32;}}}}railML<sup><small>®</small></sup>{{#var:space}}2 ticket system}} and {{ticket|2=3|3=the {{rml|3}} ticket system}} respectively.

Please note that 2023-04-24 Common was split into Common and Generic due to technical reasons <ref> {{commit|a881cdcfa4dcc1a6de061b304d17147dfd688b7f}} </ref>.

== Codelists ==
{{main|dev:Codelists|Codelists}}
Certain attributes require a choice from a vast, highly standardized but shifting set of values. For instance, there are many regional {{wiki|Loading_gauge}}s. As to facilitate the usage and update of the sets, this Information is outsourced into [[dev:Codelists|codelists]] outside the {{rml}} schema.

The codelists are identically available for {{rml|2}} and {{rml|3}}.

==Versions==
The latest {{rml|3}} version is {{current}}. For {{rml|2}} see [[wiki2:|railML2 Wiki]]. For more details see {{site|https://www.railml.org/en/developer/version-timeline.html|our version timeline}}. The development of {{rml|3}} can be tracked on {{site|https://development.railml.org/railml/version3}}. {{rml}} is licensed dually under a restricted form of the Creative Commons License {{external|1=https://creativecommons.org/licenses/by-nc-nd/4.0/|2=CC-BY-NC-ND}} and a commercial license. An overview of the regarding licenses can be found under {{site|https://www.railml.org/en/licence}}.<!-- To learn about the version history and the changes between the respective versions see [[Dev:changes]].-->

== Users and Developers Guides ==

{{main|Dev:Guides}}

*[[Dev:How to join, edit and create the railML wiki|How to join, edit and create the railML wiki]]
*[[Dev:Wiki Documentation Guidelines|Wiki Documentation Guidelines]]
*[[Dev:Special Wiki Markup|Special Wiki Markup]]
* [[RailML3_Wiki:Statistics|Statistics]]

==Contact==
Feel free to direct any comments, questions or remarks to the {{coordinators|coordinators of {{rml}}}}.

For our contact information see ''[[wiki2:wiki.railML.org:Contact|Contact]]''.

== References ==
<references />


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