graph

Class Contour

java.lang.Object

java.awt.Component

java.awt.Canvas

graph.Graph2D

graph.G2Dint

graph.Contour

All Implemented Interfaces:

ImageObserver, MenuContainer, Serializable, Accessible

public class Contour
extends G2Dint

This class extends the interactive graphics class G2Dint to incorporate contouring.

See Also:

Serialized Form

Nested Class Summary

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

Component.BaselineResizeBehavior

Field Summary

Fields

Modifier and Type	Field and Description
boolean	noContours Boolean value if true Contours will not be calculated

Fields inherited from class graph.Graph2D

borderBottom, borderLeft, borderRight, borderTop, clearAll, datarect, drawgrid, drawzero, frame, framecolor, gridcolor, lastText, loadingData, paintAll, square, zerocolor

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

Constructors

Constructor and Description
Contour() Instantaite the class

Method Summary

Modifier and Type	Method and Description
void	attachContours() Attach contours so that they will be plotted.
void	deleteContours() Delete all the Contours
void	detachContours() Detach contours so that they will not be plotted.
int[]	getDim() return the dimensions of the grid
double[]	getGrid() Return the grid
int	getLabelPrecision() Get the label precision.
int	getLabelSignificance() Get the number of significant figures for labels.
int	getLabelStyle() Get the label style, either TextLine.SCIENTIFIC or TextLine.ALGEBRAIC.
double[]	getLevels() Return the contour levels.
double[]	getRange() Return the range of the grid
boolean	keyDown(Event e, int key) Add extra events to the G2Dint event handler.
boolean	loadGrid(URL file) Load the grid to contour from a URL.
void	paintFirst(Graphics g, Rectangle r) A hook into the Graph2D.paint method.
void	paintLast(Graphics g, Rectangle rect) A hook into the Graph2D.paint method.
void	setAutoLevels(boolean b) If true contour levels are calculated automatically.
void	setContourColor(Color c) Set the contour's color.
void	setDrawLabels(boolean b) If true contour levels are not labeled.
void	setGrid(double[] grid, int nx, int ny) Set the grid to be contoured.
void	setLabelColor(Color c) Set the Color to be used with all the labels.
void	setLabelFont(Font f) Set the font to be used with All the labels
void	setLabelledContourColor(Color c) Set the labelled contour's color.
void	setLabelLevels(int i) Set the contour levels that are to have labels.
void	setLabelPrecision(int p) Set the label precision.
void	setLabels(TextLine[] labels, int nl) Manually set the Contour labels.
void	setLabelSignificance(int s) Set the label significant figures.
void	setLabelStyle(int s) Set the label style, either TextLine.SCIENTIFIC or TextLine.ALGEBRAIC.
void	setLevels(double[] levels, int nl) Manually set the contour levels.
void	setLimitsToGrid(boolean b) If true the limits of the plot will be the grid limits.
void	setLogLevels(boolean b) If true contour levels are calculated on a log scale.
void	setNLevels(int l) Set the number of contour levels.
void	setRange(double xmin, double xmax, double ymin, double ymax) Set the range of the grid

Methods inherited from class graph.G2Dint

action, attachAxis, createXAxis, createYAxis, mouseDown, mouseDrag, mouseMove, mouseUp, update

Methods inherited from class graph.Graph2D

attachDataSet, createAxis, detachAxes, detachAxis, detachDataSet, detachDataSets, finishedloading, getMarkers, getXmax, getXmin, getYmax, getYmin, loadDataSet, loadFile, loadmessage, paint, paintBeforeData, setDataBackground, setGraphBackground, setMarkers, startedloading

Methods inherited from class java.awt.Canvas

addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy

Methods inherited from class java.awt.Component

add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, dispatchEvent, doLayout, enable, enable, enableInputMethods, 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, getPeer, 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, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseEnter, mouseExit, move, nextFocus, paintAll, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocusInWindow, reshape, resize, resize, revalidate, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setMaximumSize, setMinimumSize, setName, setPreferredSize, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate

Methods inherited from class java.lang.Object

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

Field Detail

noContours

public boolean noContours

Boolean value if true Contours will not be calculated

Constructor Detail

Contour

public Contour()

Instantaite the class

Method Detail

loadGrid

public boolean loadGrid(URL file)

Load the grid to contour from a URL. There are 2 formats for the data optionally the limits of the grid can be parsed.

  The expected format of the data 
           1st Number:   nx
           2nd Number:   ny
           nx*ny numbers following

  Optionally
           1st Number:   nx
           2nd Number:   ny
           3rd Number:   xmin
           4th Number:   xmax
           5th Number:   ymin
           6th Number:   ymax
           nx*ny numbers following
  

If xmin, xmax, ymin, ymax are not specified they are assumed to be [1.0,nx,1.0,ny]

Parameters:

file - URL of the file to load

Returns:

true of the load was successful.

setRange

public void setRange(double xmin,
                     double xmax,
                     double ymin,
                     double ymax)

Set the range of the grid

Parameters:

xmin - Minimum X value

xmax - Maximum X value

ymin - Minimum Y value

ymax - Maximum Y value

getRange

public double[] getRange()

Return the range of the grid

Returns:

An array contining xmin,xmax,ymin,ymax.

getDim

public int[] getDim()

return the dimensions of the grid

Returns:

An array containing the number of columns, number of rows.

getGrid

public double[] getGrid()

Return the grid

Returns:

An array of size nx by ny contining the data grid.

setLevels

public void setLevels(double[] levels,
                      int nl)

Manually set the contour levels.

Parameters:

levels - An array containing the contour levels

nl - The number of contour levels in the arrray

setLabels

public void setLabels(TextLine[] labels,
                      int nl)

Manually set the Contour labels.

Parameters:

labels - An array containing the labels.

nl - Number of labels in the Array.

setLabelFont

public void setLabelFont(Font f)

Set the font to be used with All the labels

Parameters:

f - Font

setLabelColor

public void setLabelColor(Color c)

Set the Color to be used with all the labels.

Parameters:

c - Color

setGrid

public void setGrid(double[] grid,
                    int nx,
                    int ny)

Set the grid to be contoured.

Parameters:

grid - Array of values

nx - Number of columns

ny - Number of rows

deleteContours

public void deleteContours()

Delete all the Contours

detachContours

public void detachContours()

Detach contours so that they will not be plotted.

attachContours

public void attachContours()

Attach contours so that they will be plotted.

setContourColor

public void setContourColor(Color c)

Set the contour's color.

Parameters:

c - Color

setLabelledContourColor

public void setLabelledContourColor(Color c)

Set the labelled contour's color.

Parameters:

c - Color

getLevels

public double[] getLevels()

Return the contour levels.

Returns:

An array containing the contour levels

setLimitsToGrid

public void setLimitsToGrid(boolean b)

If true the limits of the plot will be the grid limits. If false the limits of the plot will be the contours.

Parameters:

b - boolean

setLabelLevels

public void setLabelLevels(int i)

Set the contour levels that are to have labels.

    if 0 no labels are drawn
    if 1 every level gets a label
    If 2 every 2nd level gets a label
    etc.
 

setLogLevels

public void setLogLevels(boolean b)

If true contour levels are calculated on a log scale.

Parameters:

b - boolean

setNLevels

public void setNLevels(int l)

Set the number of contour levels.

setAutoLevels

public void setAutoLevels(boolean b)

If true contour levels are calculated automatically.

Parameters:

b - boolean

setDrawLabels

public void setDrawLabels(boolean b)

If true contour levels are not labeled.

Parameters:

b - boolean

setLabelStyle

public void setLabelStyle(int s)

Set the label style, either TextLine.SCIENTIFIC or TextLine.ALGEBRAIC.

Parameters:

s - Style

getLabelStyle

public int getLabelStyle()

Get the label style, either TextLine.SCIENTIFIC or TextLine.ALGEBRAIC.

Returns:

style

setLabelPrecision

public void setLabelPrecision(int p)

Set the label precision.

Parameters:

s - Precision

getLabelPrecision

public int getLabelPrecision()

Get the label precision.

Returns:

precision

setLabelSignificance

public void setLabelSignificance(int s)

Set the label significant figures.

Parameters:

s - number of significant figures

getLabelSignificance

public int getLabelSignificance()

Get the number of significant figures for labels.

Returns:

number of significant figures

keyDown

public boolean keyDown(Event e,
                       int key)

Add extra events to the G2Dint event handler. If 'l' is pressed repaint without the labels If 'L' is pressed repaint with the labels.

Overrides:

keyDown in class G2Dint

paintFirst

public void paintFirst(Graphics g,
                       Rectangle r)

Description copied from class: Graph2D

A hook into the Graph2D.paint method. This is called before anything is plotted. The rectangle passed is the dimension of the canvas minus the border dimensions.

Overrides:

paintFirst in class Graph2D

paintLast

public void paintLast(Graphics g,
                      Rectangle rect)

Description copied from class: Graph2D

A hook into the Graph2D.paint method. This is called after everything has been drawn. The rectangle passed is the dimension of the data window.

Overrides:

paintLast in class Graph2D