Package ucar.visad.display

Class CrossSectionSelector

java.lang.Object

ucar.visad.display.Displayable

ucar.visad.display.CompositeDisplayable

ucar.visad.display.SelectorDisplayable

ucar.visad.display.CrossSectionSelector

public class CrossSectionSelector
extends SelectorDisplayable

CrossSectionSelector is a composite of two endpoints that can be moved independently, a line connecting the two points, and a middle point that can be used to move orthoganally to the line.

Version:

$Revision: 1.28 $

Author:

Don Murray

Field Summary

Fields

Modifier and Type	Field	Description
static final int	POINT_END	end point id
static final int	POINT_MID	mid point id
static final int	POINT_START	start point id
static final String	PROPERTY_ENDPOINT	position property
static final String	PROPERTY_MIDPOINT	position property
static final String	PROPERTY_STARTPOINT	position property

Fields inherited from class ucar.visad.display.SelectorDisplayable

PROPERTY_POSITION

Fields inherited from class ucar.visad.display.CompositeDisplayable

cnt, label

Fields inherited from class ucar.visad.display.Displayable

DISPLAY, parent, SCALAR_MAP_SET

Constructor Summary

Constructors

Constructor	Description
CrossSectionSelector()	Construct a CrossSectionSelector with default.
CrossSectionSelector(CrossSectionSelector that)	Construct a CrossSectionSelector from another instance
CrossSectionSelector(RealTuple startPoint, RealTuple endPoint)	Construct a CrossSectionSelector along the points specified.
CrossSectionSelector(RealTuple startPoint, RealTuple endPoint, Color color)	Construct a CrossSectionSelector along the points specified in the Color specified.

Method Summary

Modifier and Type	Method	Description
void	addEndPropertyChangeListener(PropertyChangeListener action)	Adds a listener for data changes.
void	addMidPropertyChangeListener(PropertyChangeListener action)	Adds a listener for data changes.
void	addStartPropertyChangeListener(PropertyChangeListener action)	Adds a listener for data changes.
Displayable	cloneForDisplay()	Returns a clone of this instance suitable for another VisAD display.
void	dontShowEndPoint()	Remove the end point
void	dontShowMiddlePoint()	Remove the mid point
void	dontShowStartPoint()	Remove the start point
RealTuple	getEndPoint()	Get the position of the ending point of the line.
SelectorPoint	getEndSelectorPoint()	get the selector point
SelectorPoint	getMiddleSelectorPoint()	get the selector point
RealTuple	getMidPoint()	Get the position of the middle point of the line.
RealTuple[]	getPosition()	Get the position of the ending point of the line.
RealTuple	getStartPoint()	Get the position of the starting point of the line
SelectorPoint	getStartSelectorPoint()	get the selector point
protected void	positionHasChanged()	Called when the position has changed
void	removeEndPropertyChangeListener(PropertyChangeListener action)	Removes a listener for data changes.
void	removeMidPropertyChangeListener(PropertyChangeListener action)	Removes a listener for data changes.
void	removeStartPropertyChangeListener(PropertyChangeListener action)	Removes a listener for data changes.
void	setAutoSize(boolean yesorno)	Set whether the marker should automatically resize as the display is zoomed.
void	setColor(Color newColor)	Set the color of the selector points.
void	setConstantPosition(double value, DisplayRealType type)	Override base class method
void	setEndPoint(RealTuple point)	Set the position of the ending point of the line.
void	setEndPointFixed(boolean value)	set whether the end point can be moved or not by user; true=yes
void	setEndPointVisible(boolean value)	Set whether the end point is visible; true=yes
void	setInterpolateLinePoints(boolean value)	SHould we interpolate the line points
void	setMidPoint(RealTuple point)	Set the position of the ending point of the line; using current start and end points (ie "does nothing" -for persistence)
void	setMidPointVisible(boolean value)	Set whether the mid point is visible; true=yes
void	setPoint(int which, RealTuple point)	Set the position of one end point of the line.
void	setPointSize(float size)	Set the size of the selector points.
void	setPosition(RealTuple[] position)	Set the position of the ending point of the line.
void	setPosition(RealTuple startPosition, RealTuple endPosition)	Set the position of the ending point of the line.
void	setStartPoint(RealTuple point)	Set the position of the starting point of the line.
void	setStartPointFixed(boolean value)	set whether the start point can be moved or not by user; true=yes
void	setStartPointVisible(boolean value)	Set whether the start point is visible; true=yes
void	setStartPtFixed(boolean value)	set whether the start point can be moved or not by user; true=yes deprecated Should use setStartPointFixed
void	setZValue(double zValue)	Set the location along the Z Axis that you want to have the line and points displayed

Methods inherited from class ucar.visad.display.SelectorDisplayable

addPropertyChangeListener, getAutoSize, getFiringEvent, getOkToFireEvents, getPointSize, notifyListenersOfMove, removePropertyChangeListener, setOkToFireEvents

Methods inherited from class ucar.visad.display.CompositeDisplayable

addConstantMap, addDisplayable, addListDataListener, clearDisplayables, debug, destroy, destroyAll, displayableCount, fireListDataContentsChanged, fireListDataIntervalAdded, fireListDataIntervalRemoved, getAnimationSet, getDisplayable, indexOf, iterator, lastDisplayable, myAddDataReferences, myRemoveDataReferences, removeDisplayable, removeDisplayable, removeListDataListener, setAdjustFlow, setColorPalette, setColorUnit, setDisplay, setDisplayable, setDisplayMaster, setDisplayUnit, setLineWidth, setManipulable, setPointMode, setSelectedRange, setUseFastRendering, setUseTimesInAnimation, setVisible, setVisible, setVisible, toFront, toString

Methods inherited from class ucar.visad.display.Displayable

addConstantMaps, addDataReferences, addPropertyChangeListener, addRefsInvoked, addScalarMap, addScalarMaps, applyColorUnit, applyDisplayUnit, checkUnit, combineConstantMaps, destroyDisplayable, firePropertyChange, firePropertyChange, fireScalarMapSetChange, getColorUnit, getConstantMaps, getData, getDestroyed, getDisplay, getDisplayMaster, getDisplayUnit, getPointMode, getScalarMap, getScalarMap, getScalarMap, getScalarMapSet, getUseFastRendering, getUseTimesInAnimation, getVisible, hasDataObject, isActive, isUnitCompatible, isVisible, logException, myAddConstantMaps, removeConstantMap, removeDataReferences, removePropertyChangeListener, removeScalarMap, replaceScalarMap, setColorPalette, setContourInfo, setDisplayActive, setDisplayInactive, setOverrideAnimationSet, setOverrideAnimationSet, setParent, setRangeForColor, setRangeForColor, setScalarMapSet, setSelectedRange

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

PROPERTY_STARTPOINT

public static final String PROPERTY_STARTPOINT

position property

See Also:

• Constant Field Values

PROPERTY_ENDPOINT

public static final String PROPERTY_ENDPOINT

position property

See Also:

• Constant Field Values

PROPERTY_MIDPOINT

public static final String PROPERTY_MIDPOINT

position property

See Also:

• Constant Field Values

POINT_START

public static final int POINT_START

start point id

See Also:

• Constant Field Values

POINT_END

public static final int POINT_END

end point id

See Also:

• Constant Field Values

POINT_MID

public static final int POINT_MID

mid point id

See Also:

• Constant Field Values

Constructor Details

CrossSectionSelector

public CrossSectionSelector()
                     throws VisADException,
RemoteException

Construct a CrossSectionSelector with default. Line will run from (-1, 0) to (1,0) in (X,Y) space.

Throws:

VisADException - VisAD error

RemoteException - remote error

CrossSectionSelector

public CrossSectionSelector(RealTuple startPoint,
 RealTuple endPoint)
                     throws VisADException,
RemoteException

Construct a CrossSectionSelector along the points specified.

Parameters:

startPoint - XY position of starting point

endPoint - XY position of ending point

Throws:

VisADException - VisAD error

RemoteException - remote error

CrossSectionSelector

public CrossSectionSelector(RealTuple startPoint,
 RealTuple endPoint,
 Color color)
                     throws VisADException,
RemoteException

Construct a CrossSectionSelector along the points specified in the Color specified.

Parameters:

startPoint - XY position of starting point

endPoint - XY position of ending point

color - color for all components of this composite

Throws:

VisADException - VisAD error

RemoteException - remote error

CrossSectionSelector

public CrossSectionSelector(CrossSectionSelector that)
                     throws VisADException,
RemoteException

Construct a CrossSectionSelector from another instance

Parameters:

that - other instance

Throws:

VisADException - VisAD error

RemoteException - remote error

Method Details

getStartSelectorPoint

public SelectorPoint getStartSelectorPoint()

get the selector point

Returns:

the selector point

getEndSelectorPoint

public SelectorPoint getEndSelectorPoint()

get the selector point

Returns:

the selector point

getMiddleSelectorPoint

public SelectorPoint getMiddleSelectorPoint()

get the selector point

Returns:

the selector point

dontShowStartPoint

public void dontShowStartPoint()
                        throws VisADException,
RemoteException

Remove the start point

Throws:

RemoteException - On badness

VisADException - On badness

dontShowMiddlePoint

public void dontShowMiddlePoint()
                         throws VisADException,
RemoteException

Remove the mid point

Throws:

RemoteException - On badness

VisADException - On badness

dontShowEndPoint

public void dontShowEndPoint()
                      throws VisADException,
RemoteException

Remove the end point

Throws:

RemoteException - On badness

VisADException - On badness

setPointSize

public void setPointSize(float size)
                  throws VisADException,
RemoteException

Set the size of the selector points. The middle point is always just a little bigger than the end points

Overrides:

setPointSize in class SelectorDisplayable

Parameters:

size - point size in pixels

Throws:

VisADException - VisAD error

RemoteException - remote error

setColor

public void setColor(Color newColor)
              throws VisADException,
RemoteException

Set the color of the selector points. The middle point is always just a little darker than the end points

Overrides:

setColor in class CompositeDisplayable

Parameters:

newColor - color for components

Throws:

VisADException - VisAD error

RemoteException - remote error

setAutoSize

public void setAutoSize(boolean yesorno)
                 throws VisADException,
RemoteException

Set whether the marker should automatically resize as the display is zoomed.

Overrides:

setAutoSize in class SelectorDisplayable

Parameters:

yesorno - true to automatically resize the marker.

Throws:

RemoteException

VisADException

setZValue

public void setZValue(double zValue)
               throws VisADException,
RemoteException

Set the location along the Z Axis that you want to have the line and points displayed

Parameters:

zValue - position along Z axis where components should be located

Throws:

VisADException - VisAD error

RemoteException - remote error

setConstantPosition

public void setConstantPosition(double value,
 DisplayRealType type)
                         throws VisADException,
RemoteException

Override base class method

Overrides:

setConstantPosition in class CompositeDisplayable

Parameters:

value - Value

type - Type

Throws:

RemoteException - On badness

VisADException - On badness

setStartPtFixed

public void setStartPtFixed(boolean value)
                     throws VisADException,
RemoteException

set whether the start point can be moved or not by user; true=yes deprecated Should use setStartPointFixed

Parameters:

value - true to be fixed

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setStartPointFixed

public void setStartPointFixed(boolean value)
                        throws VisADException,
RemoteException

set whether the start point can be moved or not by user; true=yes

Parameters:

value - true to be fixed

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setEndPointFixed

public void setEndPointFixed(boolean value)
                      throws VisADException,
RemoteException

set whether the end point can be moved or not by user; true=yes

Parameters:

value - true to be fixed

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setStartPointVisible

public void setStartPointVisible(boolean value)
                          throws VisADException,
RemoteException

Set whether the start point is visible; true=yes

Parameters:

value - true to be fixed

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setEndPointVisible

public void setEndPointVisible(boolean value)
                        throws VisADException,
RemoteException

Set whether the end point is visible; true=yes

Parameters:

value - true for visible

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setMidPointVisible

public void setMidPointVisible(boolean value)
                        throws VisADException,
RemoteException

Set whether the mid point is visible; true=yes

Parameters:

value - true for visible

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setStartPoint

public void setStartPoint(RealTuple point)
                   throws VisADException,
RemoteException

Set the position of the starting point of the line.

Parameters:

point - XY position as a RealTuple

Throws:

VisADException - bad point

RemoteException - Java RMI error

getStartPoint

public RealTuple getStartPoint()

Get the position of the starting point of the line

Returns:

XY position as a RealTuple

setMidPoint

public void setMidPoint(RealTuple point)
                 throws VisADException,
RemoteException

Set the position of the ending point of the line; using current start and end points (ie "does nothing" -for persistence)

Parameters:

point - XY position as a RealTuple

Throws:

VisADException - bad point

RemoteException - Java RMI error

getMidPoint

public RealTuple getMidPoint()

Get the position of the middle point of the line.

Returns:

XY position as a RealTuple

setEndPoint

public void setEndPoint(RealTuple point)
                 throws VisADException,
RemoteException

Set the position of the ending point of the line.

Parameters:

point - XY position as a RealTuple

Throws:

VisADException - bad point

RemoteException - Java RMI error

getEndPoint

public RealTuple getEndPoint()

Get the position of the ending point of the line.

Returns:

XY position as a RealTuple

setPoint

public void setPoint(int which,
 RealTuple point)
              throws VisADException,
RemoteException

Set the position of one end point of the line. The mid point is automatically fit between them.

Parameters:

which - either CrossSectionSelector.POINT_START or POINT_END

point - point position

Throws:

RemoteException - Java RMI error

VisADException - bad point

setPosition

public void setPosition(RealTuple[] position)
                 throws VisADException,
RemoteException

Set the position of the ending point of the line.

Parameters:

position - an array of size 2 that holds the start and end points

Throws:

RemoteException - Java RMI error

VisADException - bad point

getPosition

public RealTuple[] getPosition()
                        throws VisADException,
RemoteException

Get the position of the ending point of the line.

Returns:

an array of size 2 that holds the start and end points

Throws:

RemoteException - Java RMI error

VisADException - bad point

setPosition

public void setPosition(RealTuple startPosition,
 RealTuple endPosition)
                 throws VisADException,
RemoteException

Set the position of the ending point of the line.

Parameters:

startPosition - starting position for the selector line

endPosition - ending position for the selector line

Throws:

RemoteException - Java RMI error

VisADException - bad point

positionHasChanged

protected void positionHasChanged()
                           throws VisADException,
RemoteException

Called when the position has changed

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

cloneForDisplay

public Displayable cloneForDisplay()
                            throws VisADException,
RemoteException

Returns a clone of this instance suitable for another VisAD display. Underlying data objects are not cloned.

Overrides:

cloneForDisplay in class CompositeDisplayable

Returns:

A semi-deep clone of this instance.

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

addStartPropertyChangeListener

public void addStartPropertyChangeListener(PropertyChangeListener action)

Adds a listener for data changes.

Parameters:

action - The listener for changes to the underlying data.

removeStartPropertyChangeListener

public void removeStartPropertyChangeListener(PropertyChangeListener action)

Removes a listener for data changes.

Parameters:

action - The listener for changes to the underlying data.

addEndPropertyChangeListener

public void addEndPropertyChangeListener(PropertyChangeListener action)

Adds a listener for data changes.

Parameters:

action - The listener for changes to the underlying data.

removeEndPropertyChangeListener

public void removeEndPropertyChangeListener(PropertyChangeListener action)

Removes a listener for data changes.

Parameters:

action - The listener for changes to the underlying data.

addMidPropertyChangeListener

public void addMidPropertyChangeListener(PropertyChangeListener action)

Adds a listener for data changes.

Parameters:

action - The listener for changes to the underlying data.

removeMidPropertyChangeListener

public void removeMidPropertyChangeListener(PropertyChangeListener action)

Removes a listener for data changes.

Parameters:

action - The listener for changes to the underlying data.

setInterpolateLinePoints

public void setInterpolateLinePoints(boolean value)
                              throws VisADException,
RemoteException

SHould we interpolate the line points

Parameters:

value - interpolate

Throws:

RemoteException - on badness

VisADException - on badness