org.das2.event.HorizontalDragRangeSelectorMouseModule

With the HorizontalDragRangeRenderer and VerticalSpectrogramAverager, this shows the average over an interval.

getDataRangeSelectionListener

getDataRangeSelectionListener( int index ) → DataRangeSelectionListener

allow a peek at the listener.

Parameters

index -

Returns:

the listener at the index.

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getDataRangeSelectionListenerCount

getDataRangeSelectionListenerCount( ) → int

allow a peek at the listeners.

Returns:

the number of listeners.

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