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Hierarchy scopes

The Scope container under each hierarchy can contain one or more HierarchyScopes over which the hierarchy can be generated. The default is the station (or Component Space) scope.

The value in the Scope ORD subproperty limits the query to a specific location within the station, such as station:|slot:/Model/Westerre/W1. An alternative to limiting the scope is to use additional LevelDefs in a hierarchy definition.

 NOTE: The “nspace” and “sys” ORD schemes support querying for indexed entities in the System Database (an added feature in Niagara 4.6 and later). These ORD schemes allow you to query the entire SystemDb, as well as to execute scoped queries against the SystemDb. For details see the procedure, “Accessing hierarchies scoped against the SystemDb” in Chapter 1 of this guide. For complete details on the System Database and System Indexing, see the Niagara System Database and System Indexing Guide. 

Related Links

  • Hierarchy reference (Parent Topic)

    • Related Tasks

  • Accessing hierarchies scoped against the SystemDb

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