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Set of rules to allow selection of peaks from an input time series.
Attributes
Requirements for definitions In the configuration of peak selections there are two choices for refining the selection:
- An attribute "peaksBeforeT0totalNumberBeforeT0" must be defined. The value attribute defines the maximum number of peaks to consider before T0.
- An attribute "peaksAfterT0totalNumberAfterT0" must be defined. The value attribute defines the maximum number of peaks to consider before after T0.
- An attribute "totalNumberOfPeaks " must be defined. The value must be set to zero.
The following two attributes are optional:
- An attribute "skipJustBeforeT0" indicates how many peaks to skip just before T0. (optional)
- An attribute "skipJustAfterT0" indicates how many peaks to skip just after T0.
...
- (optional)
or
- An attribute "totalNumber" must be defined. The value attribute defines the maximum number of peaks to consider.
Configuration example
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<transformation id="peaks function test">
<selection>
<peaks>
<inputVariable>
<timeSeriesSet>
<moduleInstanceId>SelectionPeaksFunctionTest</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>
<peaksBeforeT0>0<<totalNumberBeforeT0>3</peaksBeforeT0>totalNumberBeforeT0>
<peaksAfterT0>15<<totalNumberAfterT0>4</peaksAfterT0>totalNumberAfterT0>
<totalNumberOfPeaks>0</totalNumberOfPeaks>
<skipJustBeforeT0>0<<skipJustBeforeT0>2</skipJustBeforeT0>
<skipJustAfterT0>5<<skipJustAfterT0>2</skipJustAfterT0>
<outputVariable>
<timeSeriesSet>
<moduleInstanceId>SelectionPeaksFunctionTest</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>
</peaks>
</selection>
</transformation>
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In this example:
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- Only the last three peaks lows before T0 and the first four peaks lows after T0 are considered.
- The last first two peaks lows just before T0 are skipped, leaving only the third last one.
- Similarly the first peaks lows just after T0 are skipped, leaving the third and fourth ones.