Package cnuphys.magfield

Class MagneticFieldCanvas

java.lang.Object

java.awt.Component

java.awt.Container

javax.swing.JComponent

cnuphys.magfield.MagneticFieldCanvas

All Implemented Interfaces:

IComponentZoomable, ImageObserver, MenuContainer, Serializable

public class MagneticFieldCanvas
extends JComponent
implements IComponentZoomable

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	MagneticFieldCanvas.CSType
class	MagneticFieldCanvas.Trajectory

Nested classes/interfaces inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

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

Container.AccessibleAWTContainer

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
protected AffineTransform	_localToWorld
protected Rectangle2D.Double	_worldSystem
protected AffineTransform	_worldToLocal
protected Font	font
protected Font	font2

Fields inherited from class javax.swing.JComponent

listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

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
MagneticFieldCanvas(int sector, double xmin, double perpMin, double width, double height, MagneticFieldCanvas.CSType type)	Create a canvas

Method Summary

Modifier and Type	Method	Description
void	addTrajectory(double[] xx, double[] yy, double[] zz, Color lc, Stroke ls)	Set a trajectory
void	clearTrajectories()	Remove all trajectories
protected void	drawGrid(Graphics g, Rectangle bounds)
protected void	drawMagneticField(Graphics g, Rectangle bounds)
protected void	drawTrajectories(Graphics g, Rectangle bounds)	Draw a single trajectory
JComponent	getComponent()	Get the component being zoomed
static Color[]	getFieldColors()	Get the color array for the plot.
static double[]	getFieldValues()	Get the values array for the plot.
JPanel	getPanelWithStatus(int width, int height)
Rectangle2D.Double	getWorldSystem()	Get the current world system
void	localToWorld(Point pp, Point2D.Double wp)	This converts a screen or pixel point to a world point.
void	paintComponent(Graphics g)
protected void	setAffineTransforms()
void	setExtraText(String s)
void	setSector(int sect)
void	setShowGradient(boolean grad)
void	setWorldSystem(Rectangle2D.Double wr)	Set the world system
void	worldToLocal(Point pp, Point2D.Double wp)	This converts a world point to a screen or pixel point.

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUI, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paint, paintBorder, paintChildren, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update, updateUI

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Details

_localToWorld

protected AffineTransform _localToWorld

_worldToLocal

protected AffineTransform _worldToLocal

_worldSystem

protected Rectangle2D.Double _worldSystem

font

protected Font font

font2

protected Font font2

Constructor Details

MagneticFieldCanvas

public MagneticFieldCanvas(int sector,
 double xmin,
 double perpMin,
 double width,
 double height,
 MagneticFieldCanvas.CSType type)

Create a canvas

Parameters:

xmin -

perpMin - min value in direction perpendicular to z (the beam direction)

width -

height -

Method Details

setExtraText

public void setExtraText(String s)

setShowGradient

public void setShowGradient(boolean grad)

setSector

public void setSector(int sect)

clearTrajectories

public void clearTrajectories()

Remove all trajectories

addTrajectory

public void addTrajectory(double[] xx,
 double[] yy,
 double[] zz,
 Color lc,
 Stroke ls)

Set a trajectory

Parameters:

xx -

yy -

zz -

paintComponent

public void paintComponent(Graphics g)

Overrides:

paintComponent in class JComponent

drawTrajectories

protected void drawTrajectories(Graphics g,
 Rectangle bounds)

Draw a single trajectory

Parameters:

g - the graphics context

bounds -

setAffineTransforms

protected void setAffineTransforms()

drawGrid

protected void drawGrid(Graphics g,
 Rectangle bounds)

drawMagneticField

protected void drawMagneticField(Graphics g,
 Rectangle bounds)

localToWorld

public void localToWorld(Point pp,
 Point2D.Double wp)

This converts a screen or pixel point to a world point.

Specified by:

localToWorld in interface IComponentZoomable

Parameters:

pp - contains the local (screen-pixel) point.

wp - will hold the resultant world point.

worldToLocal

public void worldToLocal(Point pp,
 Point2D.Double wp)

This converts a world point to a screen or pixel point.

Specified by:

worldToLocal in interface IComponentZoomable

Parameters:

pp - will hold the resultant local (screen-pixel) point.

wp - contains world point.

getFieldValues

public static double[] getFieldValues()

Get the values array for the plot.

Returns:

the values array.

getFieldColors

public static Color[] getFieldColors()

Get the color array for the plot.

Returns:

the color array for the plot.

getPanelWithStatus

public JPanel getPanelWithStatus(int width,
 int height)

getComponent

public JComponent getComponent()

Description copied from interface: IComponentZoomable

Get the component being zoomed

Specified by:

getComponent in interface IComponentZoomable

Returns:

the component being zoomed

getWorldSystem

public Rectangle2D.Double getWorldSystem()

Description copied from interface: IComponentZoomable

Get the current world system

Specified by:

getWorldSystem in interface IComponentZoomable

Returns:

the current world system

setWorldSystem

public void setWorldSystem(Rectangle2D.Double wr)

Description copied from interface: IComponentZoomable

Set the world system

Specified by:

setWorldSystem in interface IComponentZoomable

Parameters:

wr - the world system