org.das2.event.BoxSelectionEvent

This is the range analog to the DataPointSelectionEvent. The DataPointSelectionEvent is a point, and this is a box. Note that it's acceptable to have null xrange and yrange, so that the same code can support a variety of applications. It's left to the programmer to see that these are used consistently.

BoxSelectionEvent( Object source, DatumRange xrange, DatumRange yrange )

create the BoxSelectionEvent with additional planes of data.

BoxSelectionEvent( Object source, DatumRange xrange, DatumRange yrange, java.util.HashMap planes )

create the BoxSelectionEvent with additional planes of data.

getDataSet

getDataSet( ) → QDataSet

get the dataset attached to this event.

Returns:

the dataset attached to this event.

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getFinishX

getFinishX( ) → Datum

get the X coordinate of the mouse button release

Returns:

the release coordinate X

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getFinishY

getFinishY( ) → Datum

get the Y coordinate of the mouse button release

Returns:

the release coordinate Y

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getPlane

getPlane( String plane ) → Object

get the data attached to the plane name. This allows applications to attach additional data to the event. For example, the BoxSelectorMouseModule attaches the key pressed.

Parameters

plane - a String

Returns:

the value associated with the plane, or null.

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getPlaneIds

getPlaneIds( ) → String[]

return the list of additional data planes attached to this event.

Returns:

a String[]

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getStartX

getStartX( ) → Datum

get the X coordinate or the mouse button press

Returns:

the X coordinate or the mouse button press

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getStartY

getStartY( ) → Datum

get the Y coordinate or the mouse button press

Returns:

the Y coordinate or the mouse button press

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getXRange

getXRange( ) → DatumRange

get the X data range of the gesture

Returns:

the X data range of the gesture

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getYRange

getYRange( ) → DatumRange

get the Y data range of the gesture

Returns:

the Y data range of the gesture

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setDataSet

setDataSet( QDataSet ds ) → void

attach a dataset to this event.

Parameters

ds - a dataset for this event.

Returns:

void (returns nothing)

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setFinish

setFinish( Datum x, Datum y ) → void

set the end coordinates of the mouse release.

Parameters

x - the release coordinate X
y - the release coordinate Y

Returns:

void (returns nothing)

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setStart

setStart( Datum x, Datum y ) → void

set the coordinates of the mouse button press

Parameters

x - the x coordinate
y - the y coordinate

Returns:

void (returns nothing)

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toString

toString( ) → String

Returns:

java.lang.String

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