weka.gui.visualize
Class VisualizePanel.PlotPanel

java.lang.Object
  java.awt.Component
      java.awt.Container
          javax.swing.JComponent
              javax.swing.JPanel
                  weka.gui.visualize.VisualizePanel.PlotPanel

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.image.ImageObserver, java.awt.MenuContainer, Plot2DCompanion, java.io.Serializable

Enclosing class:

VisualizePanel

protected class VisualizePanel.PlotPanel

extends javax.swing.JPanel

implements Plot2DCompanion

Inner class to handle plotting

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JPanel

javax.swing.JPanel.AccessibleJPanel

Nested classes inherited from class javax.swing.JComponent

javax.swing.JComponent.AccessibleJComponent

Nested classes inherited from class java.awt.Container

java.awt.Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy

Field Summary

private int	m_axisPad Axis padding
protected int	m_cIndex
private boolean	m_createShape True if the user is currently dragging a box.
private java.awt.Dimension	m_newMousePos contains the position of the mouse (used for rubberbanding).
protected PlotData2D	m_originalPlot The master plot
protected Plot2D	m_plot2D The actual generic plotting panel
protected Instances	m_plotInstances The instances from the master plot
private FastVector	m_shapePoints contains the points of the shape currently being drawn.
private FastVector	m_shapes contains all the shapes that have been drawn for these attribs
protected int	m_sIndex
private int	m_tickSize Tick size
private int	m_XaxisEnd
private int	m_XaxisStart the offsets of the axes once label metrics are calculated
protected int	m_xIndex Indexes of the attributes to go on the x and y axis and the attribute to use for colouring and the current shape for drawing
private int	m_YaxisEnd
private int	m_YaxisStart
protected int	m_yIndex

Fields inherited from class javax.swing.JPanel

Fields inherited from class javax.swing.JComponent

accessibleContext, 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.Container

Fields inherited from class java.awt.Component

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

VisualizePanel.PlotPanel()
Constructor

Method Summary

void	addPlot(PlotData2D newPlot) Adds a plot.
void	cancelShapes() Sets the list of shapes to empty and also cancels the current shape being drawn (if applicable).
private boolean	checkPoints(double x1, double y1) This will check the values of the screen points passed and make sure that they land on the screen
private void	drawShapes(java.awt.Graphics gx) This will draw the shapes created onto the panel.
FastVector	getShapes()
private int[]	getXCoords(FastVector v) This will extract from a polygon shape its x coodrdinates so that an awt.Polygon can be created.
private int[]	getYCoords(FastVector v) This will extract from a polygon shape its y coordinates so that an awt.Polygon can be created.
private boolean	inPoly(FastVector ob, double x, double y) This checks to see if The coordinate passed is inside the polygon that was passed.
private boolean	inPolyline(FastVector ob, double x, double y) Checks to see if the coordinate passed is inside the ployline passed, Note that this is done using attribute values and not there respective screen values.
boolean	inSplit(Instance i) This will check if an instance is inside or outside of the current shapes.
private double[]	lineIntersect(double x1, double y1, double x2, double y2, double x, double y, double offset) This is called for polylines to see where there two lines that extend to infinity cut the border of the view.
private FastVector	makePolygon(FastVector v) This will convert a polyline to a polygon for drawing purposes So that I can simply use the polygon drawing function.
private void	plotReset(Instances inst, int cIndex) Reset the visualize panel's buttons and the plot panels instances
void	prePlot(java.awt.Graphics gx) Renders the polygons if necessary
void	setCindex(int c) Set the index of the attribute to use for colouring
void	setColours(FastVector cols) Set a list of colours to use for plotting points
void	setJitter(int j) Set level of jitter and repaint the plot using the new jitter value
void	setMasterPlot(PlotData2D newPlot) Clears all existing plots and sets a new master plot
void	setShapes(FastVector v) This can be used to set the shapes that should appear.
void	setSindex(int s) Set the index of the attribute to use for the shape.
void	setXindex(int x) Set the index of the attribute to go on the x axis
void	setYindex(int y) Set the index of the attribute to go on the y axis
protected void	switchToLegend() Remove the attibute panel and replace it with the legend panel

Methods inherited from class javax.swing.JPanel

getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI

Methods inherited from class javax.swing.JComponent

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

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, 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, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, 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, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Field Detail

m_plot2D

protected Plot2D m_plot2D

The actual generic plotting panel

m_plotInstances

protected Instances m_plotInstances

The instances from the master plot

m_originalPlot

protected PlotData2D m_originalPlot

The master plot

m_xIndex

protected int m_xIndex

Indexes of the attributes to go on the x and y axis and the attribute to use for colouring and the current shape for drawing

m_yIndex

protected int m_yIndex

m_cIndex

protected int m_cIndex

m_sIndex

protected int m_sIndex

m_axisPad

private final int m_axisPad

Axis padding

See Also:

Constant Field Values

m_tickSize

private final int m_tickSize

Tick size

See Also:

Constant Field Values

m_XaxisStart

private int m_XaxisStart

the offsets of the axes once label metrics are calculated

m_YaxisStart

private int m_YaxisStart

m_XaxisEnd

private int m_XaxisEnd

m_YaxisEnd

private int m_YaxisEnd

m_createShape

private boolean m_createShape

True if the user is currently dragging a box.

m_shapes

private FastVector m_shapes

contains all the shapes that have been drawn for these attribs

m_shapePoints

private FastVector m_shapePoints

contains the points of the shape currently being drawn.

m_newMousePos

private java.awt.Dimension m_newMousePos

contains the position of the mouse (used for rubberbanding).

Constructor Detail

VisualizePanel.PlotPanel

public VisualizePanel.PlotPanel()

Constructor

Method Detail

getShapes

public FastVector getShapes()

Returns:

The FastVector containing all the shapes.

cancelShapes

public void cancelShapes()

Sets the list of shapes to empty and also cancels the current shape being drawn (if applicable).

setShapes

public void setShapes(FastVector v)

This can be used to set the shapes that should appear.

Parameters:

v - The list of shapes.

checkPoints

private boolean checkPoints(double x1,
                            double y1)

This will check the values of the screen points passed and make sure that they land on the screen

Parameters:

x1 - The x coord.

y1 - The y coord.

inSplit

public boolean inSplit(Instance i)

This will check if an instance is inside or outside of the current shapes.

Parameters:

i - The instance to check.

Returns:

True if 'i' falls inside the shapes, false otherwise.

inPolyline

private boolean inPolyline(FastVector ob,
                           double x,
                           double y)

Checks to see if the coordinate passed is inside the ployline passed, Note that this is done using attribute values and not there respective screen values.

Parameters:

ob - The polyline.

x - The x coord.

y - The y coord.

Returns:

True if it falls inside the polyline, false otherwise.

inPoly

private boolean inPoly(FastVector ob,
                       double x,
                       double y)

This checks to see if The coordinate passed is inside the polygon that was passed.

Parameters:

ob - The polygon.

x - The x coord.

y - The y coord.

Returns:

True if the coordinate is in the polygon, false otherwise.

setJitter

public void setJitter(int j)

Set level of jitter and repaint the plot using the new jitter value

Parameters:

j - the level of jitter

setXindex

public void setXindex(int x)

Set the index of the attribute to go on the x axis

Parameters:

x - the index of the attribute to use on the x axis

setYindex

public void setYindex(int y)

Set the index of the attribute to go on the y axis

Parameters:

y - the index of the attribute to use on the y axis

setCindex

public void setCindex(int c)

Set the index of the attribute to use for colouring

Parameters:

c - the index of the attribute to use for colouring

setSindex

public void setSindex(int s)

Set the index of the attribute to use for the shape.

Parameters:

s - the index of the attribute to use for the shape

setMasterPlot

public void setMasterPlot(PlotData2D newPlot)
                   throws java.lang.Exception

Clears all existing plots and sets a new master plot

Parameters:

newPlot - the new master plot

Throws:

java.lang.Exception - if plot could not be added

addPlot

public void addPlot(PlotData2D newPlot)
             throws java.lang.Exception

Adds a plot. If there are no plots so far this plot becomes the master plot and, if it has a custom colour defined then the class panel is removed.

Parameters:

newPlot - the plot to add.

Throws:

java.lang.Exception - if plot could not be added

switchToLegend

protected void switchToLegend()

Remove the attibute panel and replace it with the legend panel

plotReset

private void plotReset(Instances inst,
                       int cIndex)

Reset the visualize panel's buttons and the plot panels instances

setColours

public void setColours(FastVector cols)

Set a list of colours to use for plotting points

Parameters:

cols - a list of java.awt.Colors

drawShapes

private void drawShapes(java.awt.Graphics gx)

This will draw the shapes created onto the panel. For best visual, this should be the first thing to be drawn (and it currently is).

Parameters:

gx - The graphics context.

lineIntersect

private double[] lineIntersect(double x1,
                               double y1,
                               double x2,
                               double y2,
                               double x,
                               double y,
                               double offset)

This is called for polylines to see where there two lines that extend to infinity cut the border of the view.

Parameters:

x1 - an x point along the line

y1 - the accompanying y point.

x2 - The x coord of the end point of the line.

y2 - The y coord of the end point of the line.

x - 0 or the width of the border line if it has one.

y - 0 or the height of the border line if it has one.

offset - The offset for the border line (either for x or y dependant on which one doesn't change).

Returns:

double array that contains the coordinate for the point that the polyline cuts the border (which ever side that may be).

makePolygon

private FastVector makePolygon(FastVector v)

This will convert a polyline to a polygon for drawing purposes So that I can simply use the polygon drawing function.

Parameters:

v - The polyline to convert.

Returns:

A FastVector containing the polygon.

getXCoords

private int[] getXCoords(FastVector v)

This will extract from a polygon shape its x coodrdinates so that an awt.Polygon can be created.

Parameters:

v - The polygon shape.

Returns:

an int array containing the screen x coords for the polygon.

getYCoords

private int[] getYCoords(FastVector v)

This will extract from a polygon shape its y coordinates so that an awt.Polygon can be created.

Parameters:

v - The polygon shape.

Returns:

an int array containing the screen y coords for the polygon.

prePlot

public void prePlot(java.awt.Graphics gx)

Renders the polygons if necessary

Specified by:

prePlot in interface Plot2DCompanion

Parameters:

gx - the graphics context