Package ucar.visad.display

Class Contour2DDisplayable

java.lang.Object

ucar.visad.display.Displayable

ucar.visad.display.DisplayableData

ucar.visad.display.LineDrawing

ucar.visad.display.ContourLines

ucar.visad.display.Contour2DDisplayable

All Implemented Interfaces:

GridDisplayable

public class Contour2DDisplayable
extends ContourLines
implements GridDisplayable

A class to support showing 2D gridded data as colored contours on a plane in a NavigatedDisplay.

Version:

$Revision: 1.40 $

Author:

IDV Development Team

Nested Class Summary

Nested classes/interfaces inherited from class ucar.visad.display.DisplayableData

DisplayableData.DragAdapter

Field Summary

Fields

Modifier and Type	Field	Description
static final String	RGB_REAL_TYPE	The name of the "RGB real-type" property.

Fields inherited from class ucar.visad.display.ContourLines

COLOR_FILL, CONTOUR_LEVELS, CONTOUR_REAL_TYPE, LABELING

Fields inherited from class ucar.visad.display.LineDrawing

COLOR, LINE_STYLE, LINE_WIDTH, POINT_SIZE

Fields inherited from class ucar.visad.display.DisplayableData

MANIPULABLE, renderer, VISIBLE

Fields inherited from class ucar.visad.display.Displayable

DISPLAY, parent, SCALAR_MAP_SET

Constructor Summary

Constructors

Modifier	Constructor	Description
	Contour2DDisplayable(String name)	Constructs an instance with the supplied name and null initial RealType.
	Contour2DDisplayable(String name, boolean alphaFlag)	Constructs an instance with the supplied name and null initial RealType and given alphaFlag
	Contour2DDisplayable(String name, boolean alphaFlag, boolean colorFill)	Constructs an instance with the supplied name and null initial RealType and given alphaFlag and colorFill
	Contour2DDisplayable(String name, RealType c2dRealType, float[][] colorPalette)	Constructs from a name for the Displayable and the type of the parameter.
	Contour2DDisplayable(String name, RealType c2dRealType, float[][] colorPalette, boolean alphaFlag)	Constructs from a name for the Displayable and the type of the parameter.
	Contour2DDisplayable(String name, RealType c2dRealType, float[][] colorPalette, float[] rangeLimits)	Constructs from a name for the Displayable and the type of the parameter.
protected	Contour2DDisplayable(Contour2DDisplayable that)	Constructs from a Contour2DDisplayable.

Method Summary

Modifier and Type	Method	Description
Displayable	cloneForDisplay()	Returns a clone of this instance suitable for another VisAD display.
float[][]	getColorPalette()	Return the current color palette (color table).
double[]	getRangeforColor()	Get the color range
double[]	getRangeForColor()	Get the color range
RealType	getRGBRealType()	Returns the RealType of the RGB parameter.
boolean	hasRange()	Returns whether this Displayable has a valid range (i.e., lowRange and highRange are both not NaN's
void	loadData(FieldImpl field)	Set the appropriate ScalarMaps based on the data and then load the data into the DataReference.
void	setC2DRealType(RealType realType)	Sets the RealType of the parameter.
void	setColor(Color color)	Override setColor to actually set a color palette since this class has both
void	setColoredByAnother(boolean yesno)	Set whether this GridDisplayable should have the data colored by another parameter.
void	setColorFill(boolean yesorno)	Set whether the contours should be displayed as color-filled contours.
void	setColorPalette()	This method with no argument sets the default Vis5D color spectrum.
void	setColorPalette(float[][] colorPalette)	This method sets the color palette according to the color table in argument; pair this method with setRangeForColor below to get a fixed association of color table and range of values.
void	setColorUnit(Unit unit)	Set the units for the displayed range
void	setContourLevels(float interval, float base, float min, float max)	Set appropriate contour levels with super class's methods (BOTH REQUIRED IN THIS ORDER) setRange(min, max); invalid input: '&' setContourLevels (interval, base, min, max);
void	setContourLevels(float interval, float base, float min, float max, boolean dash)	Set appropriate contour levels with super class's methods (BOTH REQUIRED IN THIS ORDER) setRange(min, max); setContourLevels (interval, base, min, max);
void	setDisplayUnit(Unit unit)	Set the units for the displayed range
void	setGrid2D(FieldImpl field)	Set the data into the Displayable
void	setRangeForColor(double low, double high)	To make a connection between a particular color and a particular data value or a range of data values ...
protected void	setRGBRealType(RealType realType)	Sets the RealType of the RGB parameter.
protected boolean	useDisplayUnitForColor()	Does this object use the displayUnit (or the colorUnit) for its display unit.

Methods inherited from class ucar.visad.display.ContourLines

getColorFillEnabled, getContourLevels, getContourRealType, getContourValues, getDashedStyle, isLabeling, setContourInfo, setContourInterval, setContourInterval, setContourLevels, setContourRealType, setDashedStyle, setFont, setLabelFreq, setLabeling, setLabelSkip, setRange, setScalarMaps

Methods inherited from class ucar.visad.display.LineDrawing

getColor, getLineStyle, getLineWidth, getPointSize, setHSV, setHSV, setLineStyle, setLineWidth, setPointSize, setRGB, setRGB, setRGBA, setRGBA

Methods inherited from class ucar.visad.display.DisplayableData

addAction, dataChange, destroy, getActive, getAnimationSet, getData, getDataRenderer, getName, hasData, hasDataObject, isManipulable, isPickable, myAddConstantMaps, myAddDataReferences, myRemoveDataReferences, removeAction, setActive, setData, setDataReference, setDragAdapter, setManipulable, setPickable, setPointMode, setUseFastRendering, setVisible, showme, toString

Methods inherited from class ucar.visad.display.Displayable

addConstantMap, addConstantMaps, addDataReferences, addPropertyChangeListener, addPropertyChangeListener, addRefsInvoked, addScalarMap, addScalarMaps, applyColorUnit, applyDisplayUnit, checkUnit, combineConstantMaps, destroyDisplayable, firePropertyChange, firePropertyChange, fireScalarMapSetChange, getColorUnit, getConstantMaps, getDestroyed, getDisplay, getDisplayMaster, getDisplayUnit, getPointMode, getScalarMap, getScalarMap, getScalarMap, getScalarMapSet, getUseFastRendering, getUseTimesInAnimation, getVisible, isActive, isUnitCompatible, isVisible, logException, removeConstantMap, removeDataReferences, removePropertyChangeListener, removePropertyChangeListener, removeScalarMap, replaceScalarMap, setAdjustFlow, setColorPalette, setConstantPosition, setDisplay, setDisplayActive, setDisplayInactive, setDisplayMaster, setOverrideAnimationSet, setOverrideAnimationSet, setParent, setRangeForColor, setScalarMapSet, setSelectedRange, setSelectedRange, setUseTimesInAnimation, toFront

Methods inherited from class java.lang.Object

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

Field Details

RGB_REAL_TYPE

public static final String RGB_REAL_TYPE

The name of the "RGB real-type" property.

See Also:

• Constant Field Values

Constructor Details

Contour2DDisplayable

public Contour2DDisplayable(String name)
                     throws VisADException,
RemoteException

Constructs an instance with the supplied name and null initial RealType.

Parameters:

name - a String identifier

Throws:

VisADException - from construction of super class

RemoteException - from construction of super class

Contour2DDisplayable

public Contour2DDisplayable(String name,
 boolean alphaFlag)
                     throws VisADException,
RemoteException

Constructs an instance with the supplied name and null initial RealType and given alphaFlag

Parameters:

name - a String identifier

alphaFlag - true if should use RGBA

Throws:

VisADException - from construction of super class

RemoteException - from construction of super class

Contour2DDisplayable

public Contour2DDisplayable(String name,
 boolean alphaFlag,
 boolean colorFill)
                     throws VisADException,
RemoteException

Constructs an instance with the supplied name and null initial RealType and given alphaFlag and colorFill

Parameters:

name - a String identifier

alphaFlag - true if should use RGBA

colorFill - true if contours should be color filled

Throws:

VisADException - from construction of super class

RemoteException - from construction of super class

Contour2DDisplayable

public Contour2DDisplayable(String name,
 RealType c2dRealType,
 float[][] colorPalette,
 float[] rangeLimits)
                     throws VisADException,
RemoteException

Constructs from a name for the Displayable and the type of the parameter.

Parameters:

name - The name for the displayable.

c2dRealType - The type of the parameter. May be null.

colorPalette - The initial colorPalette to use. May be null (Vis5D palette used as default).

rangeLimits - limits of the color range

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure. deprecated rangeLimits not needed

Contour2DDisplayable

public Contour2DDisplayable(String name,
 RealType c2dRealType,
 float[][] colorPalette)
                     throws VisADException,
RemoteException

Constructs from a name for the Displayable and the type of the parameter.

Parameters:

name - The name for the displayable.

c2dRealType - The type of the parameter. May be null.

colorPalette - The initial colorPalette to use. May be null (Vis5D palette used as default).

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

Contour2DDisplayable

public Contour2DDisplayable(String name,
 RealType c2dRealType,
 float[][] colorPalette,
 boolean alphaFlag)
                     throws VisADException,
RemoteException

Constructs from a name for the Displayable and the type of the parameter.

Parameters:

name - The name for the displayable.

c2dRealType - The type of the parameter. May be null.

colorPalette - The initial colorPalette to use. May be null (Vis5D palette used as default).

alphaFlag - true if should use RGBA

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

Contour2DDisplayable

protected Contour2DDisplayable(Contour2DDisplayable that)
                        throws VisADException,
RemoteException

Constructs from a Contour2DDisplayable.

Parameters:

that - a Contour2DDisplayable.

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

Method Details

useDisplayUnitForColor

protected boolean useDisplayUnitForColor()

Does this object use the displayUnit (or the colorUnit) for its display unit.

Returns:

false if contour lines are colored by another field otherwise true

setC2DRealType

public void setC2DRealType(RealType realType)
                    throws RemoteException,
VisADException

Sets the RealType of the parameter.

Parameters:

realType - The RealType of the parameter. May not be null.

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

setColorPalette

public void setColorPalette()
                     throws RemoteException,
VisADException

This method with no argument sets the default Vis5D color spectrum.

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setColor

public void setColor(Color color)
              throws RemoteException,
VisADException

Override setColor to actually set a color palette since this class has both

Overrides:

setColor in class LineDrawing

Parameters:

color - Color to use

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setColorPalette

public void setColorPalette(float[][] colorPalette)
                     throws RemoteException,
VisADException

This method sets the color palette according to the color table in argument; pair this method with setRangeForColor below to get a fixed association of color table and range of values.

Overrides:

setColorPalette in class Displayable

Parameters:

colorPalette - The initial colorPalette to use. May be null (Vis5D palette used as default).

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

setRangeForColor

public void setRangeForColor(double low,
 double high)
                      throws VisADException,
RemoteException

To make a connection between a particular color and a particular data value or a range of data values ... "This mapping is determined by the low and high values passed to ScalarMap.setRange(), and by the 'float[][] table' array passed to BaseColorControl.setTable(). The table values (length = table[0].length) are distributed evenly over the (low, high) range. If an application does not call setRange(), then the range is determined by the range of values in displayed data objects." (BH)

Overrides:

setRangeForColor in class Displayable

Parameters:

low - The minimum value of the parameter matched to the low end of the color table.

high - The maximum value of the parameter matched to the high end of the color table.

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

getRangeforColor

public double[] getRangeforColor()

Get the color range

Returns:

an array of the low and high values for the range deprecated use #getRangeForColor()

getRangeForColor

public double[] getRangeForColor()

Get the color range

Returns:

an array of the low and high values for the range

getColorPalette

public float[][] getColorPalette()

Return the current color palette (color table).

Returns:

float[][] a VisAD color table

setGrid2D

public void setGrid2D(FieldImpl field)
               throws RemoteException,
VisADException

Set the data into the Displayable

Parameters:

field - a VisAD FieldImpl with a 2D nature.

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object deprecated Should use loadData now

loadData

public void loadData(FieldImpl field)
              throws VisADException,
RemoteException

Set the appropriate ScalarMaps based on the data and then load the data into the DataReference.

Specified by:

loadData in interface GridDisplayable

Parameters:

field - a 2D VisAD Field representing the data

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setRGBRealType

protected void setRGBRealType(RealType realType)
                       throws RemoteException,
VisADException

Sets the RealType of the RGB parameter.

Parameters:

realType - The RealType of the RGB parameter. May not be null.

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

setColorFill

public void setColorFill(boolean yesorno)
                  throws VisADException,
RemoteException

Set whether the contours should be displayed as color-filled contours. Need to override because if color filled is turned on, we need to make sure that the RGB type is the same as the Contour type.

Overrides:

setColorFill in class ContourLines

Parameters:

yesorno - true for color fill

Throws:

VisADException - unable to set this

RemoteException - unable to set this on remote display

getRGBRealType

public RealType getRGBRealType()

Returns the RealType of the RGB parameter.

Returns:

The RealType of the color parameter. May be null.

setContourLevels

public void setContourLevels(float interval,
 float base,
 float min,
 float max)
                      throws VisADException,
RemoteException

Set appropriate contour levels with super class's methods (BOTH REQUIRED IN THIS ORDER) setRange(min, max); invalid input: '&' setContourLevels (interval, base, min, max);

Parameters:

interval - delta value between contours

base - one contour must be of this value

min - no contour below this value

max - no contour above this value

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

setContourLevels

public void setContourLevels(float interval,
 float base,
 float min,
 float max,
 boolean dash)
                      throws VisADException,
RemoteException

Set appropriate contour levels with super class's methods (BOTH REQUIRED IN THIS ORDER) setRange(min, max); setContourLevels (interval, base, min, max);

Parameters:

interval - delta value between contours

base - one contour must be of this value

min - no contour below this value

max - no contour above this value

dash - dash contours below base

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

hasRange

public boolean hasRange()

Returns whether this Displayable has a valid range (i.e., lowRange and highRange are both not NaN's

Returns:

true if the range for color has been set (i.e. not NaN)

setDisplayUnit

public void setDisplayUnit(Unit unit)
                    throws VisADException,
RemoteException

Set the units for the displayed range

Overrides:

setDisplayUnit in class ContourLines

Parameters:

unit - Unit for display

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

setColorUnit

public void setColorUnit(Unit unit)
                  throws VisADException,
RemoteException

Set the units for the displayed range

Overrides:

setColorUnit in class Displayable

Parameters:

unit - Unit for display

Throws:

RemoteException - Java RMI error

VisADException - problem creating VisAD object

cloneForDisplay

public Displayable cloneForDisplay()
                            throws RemoteException,
VisADException

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

Overrides:

cloneForDisplay in class DisplayableData

Returns:

A semi-deep clone of this instance.

Throws:

VisADException - VisAD failure.

RemoteException - Java RMI failure.

setColoredByAnother

public void setColoredByAnother(boolean yesno)

Set whether this GridDisplayable should have the data colored by another parameter.

Specified by:

setColoredByAnother in interface GridDisplayable

Parameters:

yesno - true if colored by another