infovis.visualization.color
Class OrderedColor

java.lang.Object
  infovis.visualization.ColorVisualization
      infovis.visualization.color.OrderedColor

All Implemented Interfaces:

EventListener, ChangeListener

Direct Known Subclasses:

EqualizedOrderedColor

public class OrderedColor
extends ColorVisualization

Color BasicVisualization for Ordered values.

Version:

$Revision: 1.20 $

Author:

Jean-Daniel Fekete

Constructor Summary

OrderedColor(NumberColumn column)
Creates a new OrderedColor object.

OrderedColor(NumberColumn column, Color[] ramp)

OrderedColor(NumberColumn column, Color start, Color end)
Constructor for OrderedColor.

Method Summary

Color[]	getCache()
int	getCacheSize()
Color	getColor(int row) Returns a
int	getColorAtParameter(double t)
int	getColorFor(double value)
double	getColorParameterFor(double value)
int	getColorValue(int row) Returns the color value omputed for the specified row.
Column	getColumn() Returns the managed Column.
static Color[]	getDefaultRamp()
Color	getEnd() Returns the end Color.
Color[]	getRampReference()
Color	getStart() Returns the start Color.
void	setCacheSize(int cacheSize)
void	setColumn(Column c) Sets the managed column.
static void	setDefaultRamp(Color[] ramp)
static void	setDefaults(Color[] ramp)
void	setEnd(Color end) Sets the end color.
void	setRamp(Color[] ramp)
void	setRange(double min, double max)
void	setStart(Color start) Sets the start color.
void	stateChanged(ChangeEvent e)
void	update()

Methods inherited from class infovis.visualization.ColorVisualization

colorComplement, computeColor

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

OrderedColor

public OrderedColor(NumberColumn column,
                    Color[] ramp)

OrderedColor

public OrderedColor(NumberColumn column,
                    Color start,
                    Color end)

Constructor for OrderedColor.

OrderedColor

public OrderedColor(NumberColumn column)

Creates a new OrderedColor object.

Parameters:

column - the managed column.

Method Detail

setDefaults

public static void setDefaults(Color[] ramp)

setColumn

public void setColumn(Column c)

Sets the managed column.

Overrides:

setColumn in class ColorVisualization

Parameters:

c - the column.

stateChanged

public void stateChanged(ChangeEvent e)

See Also:

ChangeListener.stateChanged(ChangeEvent)

getCache

public Color[] getCache()

update

public void update()

getColumn

public Column getColumn()

Description copied from class: ColorVisualization

Returns the managed Column.

Overrides:

getColumn in class ColorVisualization

Returns:

the managed Column.

See Also:

ColorVisualization.getColumn()

getColorParameterFor

public double getColorParameterFor(double value)

getColorAtParameter

public int getColorAtParameter(double t)

getColorFor

public int getColorFor(double value)

getColorValue

public int getColorValue(int row)

Description copied from class: ColorVisualization

Returns the color value omputed for the specified row.

Color are coded as a 32bits integers. If the color is coded with red, green, blue and alpha floating point values between 0 and 1, the returned value is: ((((int)(a * 255)) & 0xFF) << 24) | ((((int)(r * 255)) & 0xFF) << 16) | ((((int)(g * 255)) & 0xFF) << 8) | ((((int)(b * 255)) & 0xFF) << 0);

Specified by:

getColorValue in class ColorVisualization

Returns:

the color computed for the specified row.

See Also:

ColorVisualization.getColor(int)

getColor

public Color getColor(int row)

Description copied from class: ColorVisualization

Returns a

Overrides:

getColor in class ColorVisualization

getRampReference

public Color[] getRampReference()

setRamp

public void setRamp(Color[] ramp)

getStart

public Color getStart()

Returns the start Color.

Returns:

the start Color.

setStart

public void setStart(Color start)

Sets the start color.

Parameters:

start - the start Color.

getEnd

public Color getEnd()

Returns the end Color.

Returns:

the end Color.

setEnd

public void setEnd(Color end)

Sets the end color.

Parameters:

end - the end Color.

getDefaultRamp

public static Color[] getDefaultRamp()

setDefaultRamp

public static void setDefaultRamp(Color[] ramp)

getCacheSize

public int getCacheSize()

setCacheSize

public void setCacheSize(int cacheSize)

setRange

public void setRange(double min,
                     double max)