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UML to XSD

Explore AIXM feature identification, dynamic modeling with UML, GML concepts, and object properties. Understand dynamic features, relationships, inheritance, and identification requirements.

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UML to XSD

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  1. UML to XSD

  2. Assumptions • Basic Understanding of UML • Basic Understanding of XML • Basic Understanding of XSD schemas

  3. Discussion Points • AIXM Features, Objects and Properties • AIXM UML modelling concepts • GML concepts • Dynamic Features • GML Object-Property concept • Feature identification

  4. Features • Real World • Fundamental objects • Change in time • UML Class stereotype

  5. Objects • Do not exist alone • 0…M • UML class

  6. Properties Attributes and Relationships about the Feature or Object. Simple Properties

  7. Properties Uni-directional association used when the relationship refers to a feature. Composition Aggregation used when the property describes an attribute(s) with cardinality = many.

  8. Properties Standard UML association class is used to describe attributes about the relationship.

  9. Properties Inheritance - The specialized feature inherits all of the properties of the more general feature.

  10. Discussion Points • AIXM Features, Objects and Properties • AIXM UML modelling concepts • GML concepts • Dynamic Features • GML Object-Property concept • Feature identification

  11. Dynamic Feature • Change over time • Timeslice

  12. GML Object – Property Concept • Create Type • Define attributes and relationships

  13. Object - Type • Create object • Assign type to object

  14. Discussion Points • AIXM Features, Objects and Properties • AIXM UML modelling concepts • GML concepts • Dynamic Features • GML Object-Property concept • Feature identification

  15. Feature Identification • AIXM Feature Identification requirements • Identification provided by GML • AIXM Identification

  16. AIXM Identification Requirements • System independent • Globally unique • Need not be understood • Remain the same over time • Repeatable within a GML document

  17. GML Identification • gml:id a local ID <aixm:PointReference gml:id="IDPR1"> <aixm:PointReference gml:id=“_001"> • gml:identifier <gml:identifier codeSpace=”urn:UUID”>d6cd9be0-15d4-11da-8cd6-0800200c9a66</gml:identifier> <aixm:identifier codeSpace="www.faa.gov/avn/avnis">1111</aixm:identifier> <aixm:identifier codeSpace="www.faa.gov/ato/usnof">53232</aixm:identifier>

  18. Property Type • Created property type to define the relationship. • If the relationship points to an object, include object in the property type • If the relationship points to a feature, include attribute xlink:href.

  19. XLINK:HREF Within the Document: <aixm:uses_PointReference xlink:href="#IDPR1"/> External to the Document: <aixm:usedOn_Procedure xlink:href ="www.faa.gov/avnis#//InstrumentDepartureProcedure[aixm:identifer='55423' or (timeSlice/InstrumentDepartureProcedureTimeSlice/interpretation='BASELINE' and timeSlice/InstrumentDepartureProcedureTimeSlice/designator='BODINE RNAV') and /substring(gml:beginPosition,1,10) &gt;= '2006-05-11' and (substring(gml:endPosition,1,10) &lt;= '2006-05-11' )" "/>

  20. Summary • AIXM Features, Objects and Properties • AIXM UML modelling concepts • GML concepts • Dynamic Features • GML Object-Property concept • Feature identification

  21. Questions?

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