## org.das2.event.HorizontalDragRangeSelectorMouseModule

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

## HorizontalDragRangeSelectorMouseModule( org.das2.graph.DasPlot parent, org.das2.dataset.DataSetConsumer dataSetConsumer, org.das2.graph.DasAxis axis )

## addDataRangeSelectionListener

addDataRangeSelectionListener( org.das2.event.DataRangeSelectionListener listener ) → void

Registers DataRangeSelectionListener to receive events.

### Parameters

listener - The listener to register.

### Returns:

void (returns nothing)
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## create

create( org.das2.graph.DasPlot parent ) → org.das2.event.HorizontalDragRangeSelectorMouseModule

### Parameters

parent - a DasPlot

### Returns:

org.das2.event.HorizontalDragRangeSelectorMouseModule
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## getDataRangeSelectionListener

getDataRangeSelectionListener( int index ) → org.das2.event.DataRangeSelectionListener

allow a peek at the listener.

### Parameters

index - an int

### 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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## mouseRangeSelected

mouseRangeSelected( org.das2.event.MouseDragEvent e0 ) → void

### Parameters

e0 - a MouseDragEvent

### Returns:

void (returns nothing)
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## removeDataRangeSelectionListener

removeDataRangeSelectionListener( org.das2.event.DataRangeSelectionListener listener ) → void

Removes DataRangeSelectionListener from the list of listeners.

### Parameters

listener - The listener to remove.

### Returns:

void (returns nothing)
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