IS:point
Revision as of 09:32, 24 October 2022 by RailML Orga Ontology (talk | contribs) (added attributes, deleted missing info block)
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Scheme description / Schemenbeschreibung / Description du schéma
Position of point in the XML-Tree / Position von point im XML-Baum / position de point dans l’aborescence XML
- Parent: <polygon>
- Children: None
Multiplicity / Anzahl / Multiplicité
Semantics / Bedeutung / Sémantique
Specification of the polygon by its bounding nodes; first and last point are connected to close the polygon.(introduced with version 2.5)
Attributes of point / Attribute von point / Attributs de point
- coord: This is a list of values representing the coordinates.
- extraHeight: This is a separate value for the altitude/height. It is used: 1) if altitudes are stored in an own reference system (i. e. epsgCode refers to a GeodeticCRS rather than a CompoundCRS); 2) if there are no long/lat coords given or known but a height. See <geoCoord> notes.
- epsgCode: This is an URI pointing to the EPSG-Code (external link) as reference system for the coordinates in coord.
- heightEpsgCode: This is an URI pointing to the EPSG-Code (external link) for the separate altitude reference system.
Syntactic Constraints / Syntaktische Beschränkungen / Contraintes syntactiques
- coord: Restriction of tDoubleList, a coordinate list consisting of two or three coordinates. Required
- extraHeight: xs:double, optional
- epsgCode: xs:anyURI, optional
- heightEpsgCode: xs:anyURI, optional
Best practice & Examples / Empfohlene Anwendung & Beispiele / Bonnes pratiques & exemples
Not yet described. / Noch nicht beschrieben. / Pas encore décrit.
Notes / Anmerkungen / Notes
Not yet described. / Noch nicht beschrieben. / Pas encore décrit.
Open issues / Offene Punkte/Pendenzen / Questions ouvertes
Not yet described. / Noch nicht beschrieben. / Pas encore décrit.