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Set of rules to allow selection of lows from an input time series.
This transformation will select only the lows which occur within the defined gap in time between lows.
Input
Timeseries
Options
Requirements for definitions of low selections using gaps to define independence are:
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- An attribute "totalNumber" must be defined. The value attribute defines the maximum number of lows to consider.
Output
Timeseries containing the selection of lows
Configuration example
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<transformation id="independent lows function test">
<selection>
<independentLows>
<inputVariable>
<timeSeriesSet>
<moduleInstanceId>SelectionIndependentLowsFunctionTest</moduleInstanceId>
<valueType>scalar</valueType>
<parameterId>H.tidal</parameterId>
<locationId>H-2010</locationId>
<timeSeriesType>external historical</timeSeriesType>
<timeStep unit="minute" multiplier="15"/>
<relativeViewPeriod unit="day" start="0" end="365"/>
<readWriteMode>editing visible to all future task runs</readWriteMode>
</timeSeriesSet>
</inputVariable>
<gapLengthInSec>2700</gapLengthInSec>
<totalNumberBeforeT0>3</totalNumberBeforeT0>
<totalNumberAfterT0>4</totalNumberAfterT0>
<skipJustBeforeT0>2</skipJustBeforeT0>
<skipJustAfterT0>2</skipJustAfterT0>
<outputVariable>
<timeSeriesSet>
<moduleInstanceId>SelectionIndependentLowsFunctionTest</moduleInstanceId>
<valueType>scalar</valueType>
<parameterId>H.updated</parameterId>
<locationId>H-2010</locationId>
<timeSeriesType>external historical</timeSeriesType>
<timeStep unit="nonequidistant"/>
<relativeViewPeriod unit="day" start="-5" end="15"/>
<readWriteMode>add originals</readWriteMode>
</timeSeriesSet>
</outputVariable>
</independentLows>
</selection>
</transformation>
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