Package gov.nih.mipav.view

Class ColorWheel

java.lang.Object

java.awt.Component

java.awt.Canvas

gov.nih.mipav.view.ColorWheel

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, Accessible

public class ColorWheel
extends Canvas

Author:

pandyan This is the Color Wheel class for the DTI Color Display Plugin References: Developed in concert with Sinisa Pajevic from the NIH/CIT/DCB/MSCL group, Lin-Ching Chang D.Sc., Carlo Pierpaoli MD Ph.D., and Lindsay Walker MS from the the NIH/NICHD/LIMB/STBB group and Olga Vogt from the NIH/CIT/DCB/ISL/BIRSS group: Mathematical and Statistical Computing Laboratory (MSCL) Biomedical Imaging Research Services Section (BIRSS) Imaging Sciences Laboratory (ISL) Division of Cumputational Bioscience (DCB) Center for Informational Technology (CIT) Section on Tissue Biophysics and Biomimetics (STBB) Laboratory of Integrative and Medical Biophysics (LIMB) National Institute of Child Health invalid input: '&' Humann Development National Institutes of Health Publication Reference: S. Pajevic and C. Pierpaoli, "Color Schemes to Represent the Orientation of Anisotropic Tissues from Diffusion Tensor Data: Application to White Matter Fiber Tract Mapping in the Human Brain," Magnetic Resonance in Medicine, vol. 42, no. 3, pp. 526-540, 1999

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.awt.Canvas

Canvas.AccessibleAWTCanvas

Nested classes/interfaces inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BaselineResizeBehavior, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields

Modifier and Type	Field	Description
private float[]	blueShiftColors	array of r,g,b values after blue shifting
private float	gamma	gamma correction
private float[]	greenAdjColors	array of r,g,b values after green adj
private Graphics	offGraphics	offscreen graphics handle
private Image	offImage	offscreen image
private float	pB	blue saturation
private float	pC	color range
private float	pG	green adj
private float	pS	sat vs theta
private int	r1	radii of all the circles...r6 is the outermost radius
private int	r2	radii of all the circles...r6 is the outermost radius
private int	r3	radii of all the circles...r6 is the outermost radius
private int	r4	radii of all the circles...r6 is the outermost radius
private int	r5	radii of all the circles...r6 is the outermost radius
private int	r6	radii of all the circles...r6 is the outermost radius
private float[]	redShiftColors	array of r,g,b values after red shifting
private float	stevensBeta	Stevens Beta
private String	type	type of color wheel ABSVAL, NOSYMM, ROTATIONALSYMM, MIRRORSYMM

Fields inherited from class java.awt.Component

accessibleContext, BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Constructors

Constructor	Description
ColorWheel(String initialType, int radius)	constructor

Method Summary

Modifier and Type	Method	Description
float[]	adjustGreen(float r1, float g1, float b1)	adjust green intensity
void	calculateRadii()	calculates radii of the interior circles using Lambertian equal areas equation used: r = 2 |sin(theta/2)|
String	getType()
void	paint(Graphics g)	paint method
void	paintAbsValColorWheel()	Paints the Absolute Value Color Wheel
void	paintMirrorSymmColorWheel()	Paints the Mirror Symmetry Color Wheel
void	paintNoSymmColorWheel()	Paints the No Symmetry Color Wheel
void	paintRotationalSymmColorWheel()	Paints the Rotational Symmetry Color Wheel
void	setGamma(float gamma)
void	setPB(float pb)
void	setPC(float pc)
void	setPG(float pg)
void	setPS(float ps)
void	setStevensBeta(float stevensBeta)
void	setType(String type)
float[]	shiftBlue(float r1, float g1, float b1)	blue shift
float[]	shiftRed(float r1, float g1, float b1)	red shift
void	update(Graphics g)	Calls paint without erasing background - this reduces flicker!

Methods inherited from class java.awt.Canvas

addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, coalesceEvents, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, disableEvents, dispatchEvent, doLayout, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAlignmentX, getAlignmentY, getBackground, getBaseline, getBaselineResizeBehavior, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, paramString, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, processComponentEvent, processEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, revalidate, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setMixingCutoutShape, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate

Methods inherited from class java.lang.Object

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

Field Details

offImage

private Image offImage

offscreen image

offGraphics

private Graphics offGraphics

offscreen graphics handle

r1

private int r1

radii of all the circles...r6 is the outermost radius

r2

private int r2

radii of all the circles...r6 is the outermost radius

r3

private int r3

radii of all the circles...r6 is the outermost radius

r4

private int r4

radii of all the circles...r6 is the outermost radius

r5

private int r5

radii of all the circles...r6 is the outermost radius

r6

private int r6

radii of all the circles...r6 is the outermost radius

type

private String type

type of color wheel ABSVAL, NOSYMM, ROTATIONALSYMM, MIRRORSYMM

pS

private float pS

sat vs theta

pC

private float pC

color range

pB

private float pB

blue saturation

gamma

private float gamma

gamma correction

pG

private float pG

green adj

stevensBeta

private float stevensBeta

Stevens Beta

blueShiftColors

private float[] blueShiftColors

array of r,g,b values after blue shifting

redShiftColors

private float[] redShiftColors

array of r,g,b values after red shifting

greenAdjColors

private float[] greenAdjColors

array of r,g,b values after green adj

Constructor Details

ColorWheel

public ColorWheel(String initialType,
 int radius)

constructor

Parameters:

radius -

type -

Method Details

paint

public void paint(Graphics g)

paint method

Overrides:

paint in class Canvas

calculateRadii

public void calculateRadii()

calculates radii of the interior circles using Lambertian equal areas equation used: r = 2 |sin(theta/2)|

paintAbsValColorWheel

public void paintAbsValColorWheel()

Paints the Absolute Value Color Wheel

paintNoSymmColorWheel

public void paintNoSymmColorWheel()

Paints the No Symmetry Color Wheel

paintRotationalSymmColorWheel

public void paintRotationalSymmColorWheel()

Paints the Rotational Symmetry Color Wheel

paintMirrorSymmColorWheel

public void paintMirrorSymmColorWheel()

Paints the Mirror Symmetry Color Wheel

shiftBlue

public float[] shiftBlue(float r1,
 float g1,
 float b1)

blue shift

Parameters:

r1 -

g1 -

b1 -

Returns:

shiftRed

public float[] shiftRed(float r1,
 float g1,
 float b1)

red shift

Parameters:

r1 -

g1 -

b1 -

Returns:

adjustGreen

public float[] adjustGreen(float r1,
 float g1,
 float b1)

adjust green intensity

Parameters:

r1 -

g1 -

b1 -

Returns:

update

public void update(Graphics g)

Calls paint without erasing background - this reduces flicker!

Overrides:

update in class Canvas

Parameters:

g - Graphics handle

setGamma

public void setGamma(float gamma)

setPB

public void setPB(float pb)

setPC

public void setPC(float pc)

setPG

public void setPG(float pg)

setPS

public void setPS(float ps)

setStevensBeta

public void setStevensBeta(float stevensBeta)

setType

public void setType(String type)

getType

public String getType()