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Set of rules to allow selection of lows from an input time series.
Attributes
Requirements for definitions *In the configuration of low selections there are two choices for refining the selection:
- An attribute "
- totalNumberBeforeT0" must be defined. The value attribute defines the maximum number of lows to consider before T0.
- An attribute "
- totalNumberAfterT0" must be defined. The value attribute defines the maximum number of lows to consider
- after T0.
*or - An attribute "
- totalNumber" must be defined. The value
- attribute defines the maximum number of lows to consider.
The following two attributes are optional:
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Code Block | ||||||||
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<transformation id="lows function test"> <selection> <lows> <inputVariable> <timeSeriesSet> <moduleInstanceId>SelectionLowsFunctionTest</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> <lowsBeforeT0>0<<totalNumberBeforeT0>3</lowsBeforeT0>totalNumberBeforeT0> <lowsAfterT0>15<<totalNumberAfterT0>4</lowsAfterT0>totalNumberAfterT0> <totalNumberOfLows>0</totalNumberOfLows> <skipJustBeforeT0>0</<skipJustBeforeT0>2</skipJustBeforeT0> <skipJustAfterT0>5<<skipJustAfterT0>2</skipJustAfterT0> <outputVariable> <timeSeriesSet> <moduleInstanceId>SelectionLowsFunctionTest</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> </lows> </selection> </transformation> |
In this example:
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- Only the last three lows before T0 and the first four lows after T0 are considered.
- The last first two lows just before T0 are skipped, leaving only the third last one.
- Similarly the first lows just after T0 are skipped, leaving the third and fourth ones.