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A time series set may be defined to retrieve all members of an ensemble at once (for example in evaluation of ensemble statistics). This is done by defining the optional ensembleId. The ensembleId should also be defined when writing new ensemble members. (e.g. on importing ensembles in the import module).
Example:
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<timeSeriesSet>
<description>Example time series set</description>
<moduleInstanceId>ImportTelemetry</moduleInstanceId>
<valueType>scalar</valueType>
<parameterId>H.obs</parameterId>
<locationId>4539.TF</locationId>
<timeSeriesType>external historical</timeSeriesType>
<timeStep unit="minute" multiplier="15"/>
<relativeViewPeriod unit="hour" start="-48" end="24" endOverrulable="true"/>
<readWriteMode>read only</readWriteMode>
<synchLevel>1</synchLevel>
<expiryTime unit="day" multiplier="100"/>
</timeSeriesSet>
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When dealing with ensembles, the ensembleId need only be defined if the workflow activity these are used in must retrieve the complete ensemble, or if members are to be written under a new ensembleId. In other cases the ensembleId need only be defined in the workflow definition (see Workflows chapter). For the TimeSeriesSets defined in modules there is then no difference between running in ensemble mode and running normally. |