Template:Table/Dev:Semantic Constraints

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Element	ID	Proposal date	Date of acception	Date of deprecation	Description
<TT:timetablePeriod>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<TT:operatingPeriodRef>><TT:specialService>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<TT:operatingPeriod>><TT:specialService>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<TT:operatingPeriodRef>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<TT:operatingPeriod>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<TT:operatingDay>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<RS:state>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<TT:ocpTT> (first semantic constraint)	TT:002	2018-10-25	2019-06-20		The attribute sequence is shall be increasing according to the train path.
<TT:ocpTT> (second semantic constraint)		2018-10-25	discarded
<TT:circulation>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<TT:blockPart> (first semantic constraint)	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<TT:blockPart> (second semantic constraint)	TT:003	2019-07-13
<TT:blockPart> (third semantic constraint)	TT:004	2019-07-20
<RS:operator>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<RS:owner> (introduced with version 2.5)	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<IS:state>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<IS:state (with length)>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<IS:designator>	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<CO:phase> (introduced with version 2.5)	TT:001	2018-11-12	2019-03-21		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<IS:speedChange> (first semantic constraint)	IS:001	2019-04-11	discarded		Any starting time stamp (as it may result e.g. from a combination of startDate and startTime) shall be lower or equal any ending time stamp (e.g. endDate) if both are given. Must not overlap with other validity periods.
<IS:speedChange> (second semantic constraint)	IS:011	2022-03-14			Every <track> has to have at least one <speedChange> at the track begin with parameters @pos="0" and @dir="up". Every <track> has to have at least one <speedChange> at the track end with parameters @pos="{value equal to trackEnd@pos}" and @dir="down".
<TT:rostering>	TT:005	2019-05-22	2019-06-25
<TT:stopDescription> (first semantic constraint)	TT:006	2018-09-03	2019-06-20
<TT:stopDescription> (Stop on request / More than one stop type per OCP)	TT:007	2019-06-19	discarded	2020-04-23
<TT:trackInfo> (first semantic constraint)	TT:008	2018-08-21	2019-06-20
<TT:trackInfo> (second semantic constraint)	TT:009	2018-08-21	2019-06-20
<TT:times> (Correct encoding of run time supplements)	TT:010	2019-06-19	2020-10-15
<TT:times>	TT:011	2019-06-19
<TT:times>	TT:012	2019-06-19	2022-06-02
<TT:times>	TT:013	2019-06-19
<TT:times> (Arrival times for passing OCP's)	TT:014	2019-06-19	2022-06-02
<TT:times> (Arrival time at first OCP)	TT:015	2019-06-19	2022-06-02
<TT:times> (Departure time at last OCP)	TT:016	2020-10-09	2022-06-02
<TT:connection>	TT:017	2022-12-15	2022-12-15
<IS:trackEnd>	IS:002	2019-06-17			The value of @pos in <trackBegin> is always the lowest value of all specified <trackElements> and <ocsElements>. It is always lower than the value of @pos of <trackEnd>. The value of @pos in <trackEnd> is always the highest value of all specified <trackElements> and <ocsElements>. It is always higher than the value of @pos of <trackBegin>. Subtracting the value of @pos in <trackBegin> from the value of @pos in <trackEnd> will result in the length of the enclosing <track>. If two <track>s are connected, the @absPos values of the connected <trackBegin> and <trackEnd> must be identical if both are provided and no <mileageChange> is defined at this point and both <track>s belong to the same mileage system.
<IS:trackBegin>	IS:003	2019-06-17			The value of @pos in <trackBegin> is always the lowest value of all specified <trackElements> and <ocsElements>. It is always lower than the value of @pos of <trackEnd>. The value of @pos in <trackEnd> is always the highest value of all specified <trackElements> and <ocsElements>. It is always higher than the value of @pos of <trackBegin>. Subtracting the value of @pos in <trackBegin> from the value of @pos in <trackEnd> will result in the length of the enclosing <track>. If two <track>s are connected, the @absPos values of the connected <trackBegin> and <trackEnd> must be identical if both are provided and no <mileageChange> is defined at this point and both <track>s belong to the same mileage system.
<IS:track>	IS:004	2019-06-17			Single track railway lines shall have main driving direction @mainDir="none" if they are used in both directions
<IS:ocp>	IS:005	2019-06-19			An <ocp> that refers to a parent <ocp> via an @parentOcpRef overwrites the attributes and elements of the parent <ocp> if explicitely defined. If an element is specified on an <ocp> that uses a @parentOcpRef any information provided with that element on a higher layer of the <ocp>-tree is overwritten. There is no merging of element-information from different levels. The same applies for attributes of <ocp>.
<IS:mileageChange>	IS:006	2019-06-19			Define attributes @absPosIn and @absPos for "real" mileage changes Define attribute @absPosIn alone in case of an ending mileage Define attribute @absPos alone in case of a starting mileage For starting mileages and "real" mileage changes, the @absDir has to be fiven to define the ongoing orientation of the mileage
<IS:propOperational>	IS:007	2020-02-25	discarded
<IS:uptime>	IS:008	2020-02-28			An <ocp> with <propOperational>@operationalType=blockSignal shall not have @mode=manned (as a manned blockSignal shall be modelled in railML® 2.x as a blockPost).
<IS:uptime>	IS:009	2020-02-28			An <ocp> with attribute <propOperational>@operationalType=stoppingPoint shall not have @mode=manned (as a stoppingPoint has no operational usage and therefore no operational staff by the IM).
<IS:uptime>	IS:010	2020-02-28			An enumeration of several time periods by @from and @until for one <ocp> shall not overlap so that for every time there shall be a unique status of <uptime>.
<IS:speedProfile> (first semantic constraint)	IS:012	2022-03-14			@basicSpeedProfile is always linked with @influence=increasing
<IS:speedProfile> (second semantic constraint)	IS:013	2022-03-14			@influence=increasing: The <speedProfile> increases the permitted speed. If multiple "increasing" speed profiles are applicable, select the one with the highest @vMax value. @influence=decreasing: The <speedProfile> decreases the permitted speed. If multiple "decreasing" speed profiles are applicable, select the one with the lowest @vMax value. If this value is lower than the speed of an "increasing" speed profile, it overrides that speed.
<IS:tunnel>	IS:014	2022-03-14			Define the tunnel resistance factor @resistanceFactorPassenger resp. @resistanceFactorFreight only if @kind and @crossSection are not known.
<IS:ocp>	IS:015	2022-07-14			When specifying @parentOcpRef for an <ocp> circles are not allowed. That means that when following the chain of @parentOcpRef no <ocp> shall be visited twice.