Dev:Changes

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Revision as of 17:04, 15 January 2016 by Christian Rahmig (talk | contribs) (add to changelog 2.3: transition curves)
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This site is intended to collect the schema changes by topics, that influence the XML output. As it starts as a stub please refer to railML forum and SVN too.

railML schema changes since version 2

Between railML 2.0 and railML 2.1

Unfortunately no information available.

Between railML 2.1 and railML 2.2

Timetable subschema

To be filled.

Infrastructure subschema

ocp/@abbrevation

Fact: The abbrevation attribute in the <ocp> element is declared deprecated.
Reason: There are multiple different abbreviations for single operation or control points. They can't be defined with one attribute.
Recommendation: Use the new <tsi> and/or <designator> elements instead.
Related Trac Tickets: #112
Related SVN Commits: [335], [439]
Old sample (railML 2.1):
<ocp ... name="Passau Hbf." abbrevation="NPA"/>
New sample (railML 2.2):
<ocp ... name='Passau Hbf.' ...>
  <tsi country="80"/>
  <designator register='RL100' entry='NPA'/>
  <designator register='ENEE' entry='80-26506-6'/>
  <designator register='IBNR' entry='8000298'/>
  <designator register='DB640' entry='Pa'/>
</ocp>

Rollingstock subschema

Common subschema

Between railML 2.2 and railML 2.3

Timetable subschema

Infrastructure subschema

trainRadio, trainRadioChange

Fact: The <trainRadio> element and <trainRadioChange> element have been introduced.
Recommendation: Use the new <trainRadio> and <trainRadioChange> elements for defining conditions describing the train radio conditions along the track.
Related Trac Tickets: #43
Related SVN Commits: [630]
ocs element sample:
<ocsElements>
  <trainRadioChanges>
    <trainRadioChange id="trc01" pos="57.46" dir="up" radioSystem="GSM-R" broadcastCalls="true">
    </trainRadioChange>
  </trainRadioChanges>
</ocsElements>
infra attributes sample:
<infraAttrGroups>
  <infraAttributes id="ia01">
    <trainRadio radioSystem="GSM-R" broadcastCalls="true" />
  </infraAttributes>
</infraAttrGroups>

speedChange/@vMax

Fact: The parameter vMax in the <speedChange> element has been modified so that it can also handle the value "end".
Recommendation: Use the new value "end" in order to mark the end of a temporary speed restriction.
Related Trac Tickets: #97
Related SVN Commits: [609]
sample:
<speedChange id="sc7" pos="256.7" vMax="end" dir="up" />

radiusChange/@geometryElementDescription

Fact: A new attribute named geometryElementDescription has been added to the <radiusChange> element. It is an enumeration parameter, which provides the following entries that enable a more detailed description of transition curves:
  • TS_cubicParabola
  • TS_parabola4
  • TS_clothoide
  • TS_WienerBogen
  • TS_BlossBogen
  • TS_Sinusoide
  • TS_Cosinusoide
  • SC
  • (any other)
Reason: So far, it was not possible to model transition curves in railML although they represent a basic track alignment feature.
Recommendation: Use the new geometryElementDescription attribute in the <radiusChange> element for modelling the begin and end points of transition curves.
Related Trac Tickets: #251
Related SVN Commits: [616]
sample for transition curve begin:
<radiusChange ... geometryElementDescription='TS_clothoide' />
sample for transition curve end:
<radiusChange ... geometryElementDescription='SC' />


Rollingstock subschema

Common subschema