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The RTM Quick Start will give you a first overview of RailTopoModel® including its business case oriented approach, its benefits and a simple real world

tailored for railway applications. It includes railML2 (link to the railML® website), railML3 (link to the railML® website) as well as railML Ontology, which

according to RFC 2119 (external link) (see wikipedia (external link) to learn more about RFCs, and CEN/CENELEC Rules of Procedure (external link)). Must (also:

RailTopoModel® Quick Start RailTopoModel® Modelling Concepts RailTopoModel® External References Section Connexity graph Core elements Levels of detail Subection

wiki page for referring to a certain railML® element documentation page. The link is shown in angle brackets: <...>. It looks like an XML element. Please,

back. Any number of external reference systems can be linked to an element and an external reference system may of course be linked with several elements

RailTopoModel® approach considers several different levels of detail that are linked with each other via aggregation. Read Levels of detail if you want to learn

defined within the Geography Markup Language GML. The model integrates a link between the linear positioning system and the intrinsic positioning system

grouped to make a simpler, more manageable network. Of course, information linked to lower level must also be transmitted to the higher levels. By aggregating

coordinates), this referencing system is strictly logical and not human-usable. The link to Geographical/Geometrical or the more widely used Mileage system is part

concept of connexity just for two adjacent vertices, i. e. two vertices linked by an edge. More simply, we use the edges two define a relation of connexity

aggregation/disaggregation procedures: Depending on how the created level will be linked to the existing level, the procedure might produce a higher or a lower description