org.opensourcephysics.frames
Class FFTFrame

java.lang.Object
  java.awt.Component
      java.awt.Container
          java.awt.Window
              java.awt.Frame
                  javax.swing.JFrame
                      org.opensourcephysics.display.OSPFrame
                          org.opensourcephysics.display.DrawingFrame
                              org.opensourcephysics.frames.FFTFrame

All Implemented Interfaces:

javax.accessibility.Accessible, java.awt.datatransfer.ClipboardOwner, java.awt.image.ImageObserver, java.awt.MenuContainer, java.awt.print.Printable, javax.swing.RootPaneContainer, java.io.Serializable, javax.swing.WindowConstants

public class FFTFrame

extends DrawingFrame

FFTFrame computes the FFT and displays the result using a ComplexDataset.

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class org.opensourcephysics.display.DrawingFrame

DrawingFrame.DrawingFrameLoader

Nested classes inherited from class javax.swing.JFrame

javax.swing.JFrame.AccessibleJFrame

Nested classes inherited from class java.awt.Frame

java.awt.Frame.AccessibleAWTFrame

Nested classes inherited from class java.awt.Window

java.awt.Window.AccessibleAWTWindow

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

protected ComplexDataset	complexDataset
protected DataTable	dataTable
protected int	domainType
static int	FREQ
static int	MODE
static int	MOMENTUM
static int	OMEGA
protected DataTableFrame	tableFrame
static int	WAVENUMBER

Fields inherited from class org.opensourcephysics.display.DrawingFrame

copyItem, customInspector, drawingPanel, editMenu, fileMenu, MENU_SHORTCUT_KEY_MASK, pasteItem, replaceItem, reply

Fields inherited from class org.opensourcephysics.display.OSPFrame

animated, applet, appletMode, authorMode, autoclear, buttonPanel, chooserDir, constructorThreadGroup, customButtons, DEFAULT_LOOK_AND_FEEL, defaultLocales, keepHidden, launcherMode, osp_icon_file, strategy

Fields inherited from class javax.swing.JFrame

accessibleContext, EXIT_ON_CLOSE, rootPane, rootPaneCheckingEnabled

Fields inherited from class java.awt.Frame

CROSSHAIR_CURSOR, DEFAULT_CURSOR, E_RESIZE_CURSOR, HAND_CURSOR, ICONIFIED, MAXIMIZED_BOTH, MAXIMIZED_HORIZ, MAXIMIZED_VERT, MOVE_CURSOR, N_RESIZE_CURSOR, NE_RESIZE_CURSOR, NORMAL, NW_RESIZE_CURSOR, S_RESIZE_CURSOR, SE_RESIZE_CURSOR, SW_RESIZE_CURSOR, TEXT_CURSOR, W_RESIZE_CURSOR, WAIT_CURSOR

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.print.Printable

NO_SUCH_PAGE, PAGE_EXISTS

Fields inherited from interface javax.swing.WindowConstants

DISPOSE_ON_CLOSE, DO_NOTHING_ON_CLOSE, HIDE_ON_CLOSE

Fields inherited from interface java.awt.image.ImageObserver

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

Constructor Summary

FFTFrame(java.lang.String xlabel, java.lang.String ylabel, java.lang.String title)
A DrawingFrame that displays a FFT as its drawable.

Method Summary

protected void	addMenuItems() Adds Views menu items on the menu bar.
void	clearData() Clears all the stored complex data.
void	clearDrawables() Removes drawable objects added by the user from this frame.
void	convertToAmpAndPhaseView()
void	convertToPhaseBarView()
void	convertToPostView()
void	doFFT(double[] data, double xmin, double xmax) Does an FFT of the given data array.
void	doFFT(Function reF, Function imF, double xmin, double xmax, int n) Does an FFT of the given real and imaginary function.
void	doRealFFT(double[] data, double xmin, double xmax) Does an FFT of the given data.
java.util.ArrayList	getDrawables() Gets Drawable objects added by the user to this frame.
java.util.ArrayList	getDrawables(java.lang.Class c) Gets Drawable objects added by the user of an assignable type.
void	setDomainType(int type) Sets the units for the FFT output.
void	setLogScale(boolean xlog, boolean ylog) Sets the axes to use a logarithmetic scale.
void	setXYColumnNames(java.lang.String xlabel, java.lang.String reLabel, java.lang.String imLabel) Sets the labels on the data table.
void	showDataTable(boolean show) Shows or hides the data table.
void	showLegend() Shows how phase angle is mapped to color.

Methods inherited from class org.opensourcephysics.display.DrawingFrame

addDrawable, clearDataAndRepaint, copyAction, getAxes, getDrawingPanel, getLoader, getObjectOfClass, inspectXML, invalidateImage, isAutoscaleX, isAutoscaleY, limitAutoscaleX, limitAutoscaleY, loadDisplayMenu, loadToolsMenu, lostOwnership, paint, pasteAction, refreshGUI, removeDrawable, removeObjectsOfClass, render, replaceAction, replaceDrawable, saveXML, setAutoscaleX, setAutoscaleY, setCartesian, setCustomInspector, setDrawingPanel, setEnabledCopy, setEnabledPaste, setEnabledReplace, setInteractiveMouseHandler, setInteriorBackground, setMessage, setMessage, setPixelsPerUnit, setPolar, setPreferredMinMax, setPreferredMinMaxX, setPreferredMinMaxY, setSquareAspect, setXLabel, setYLabel

Methods inherited from class org.opensourcephysics.display.OSPFrame

addButton, bufferStrategyShow, createBufferStrategy, dispose, getChooser, getConstructorThreadGroup, getDefaultLocales, getMenu, isAnimated, isAuthorMode, isAutoclear, isIconified, isKeepHidden, isLauncherMode, parseXMLMenu, parseXMLMenu, print, removeMenu, removeMenuItem, setAnimated, setAuthorMode, setAutoclear, setDefaultCloseOperation, setFontLevel, setKeepHidden, setLauncherMode, setSize, setTitle, setVisible, show, wishesToExit

Methods inherited from class javax.swing.JFrame

addImpl, createRootPane, frameInit, getAccessibleContext, getContentPane, getDefaultCloseOperation, getGlassPane, getJMenuBar, getLayeredPane, getRootPane, isDefaultLookAndFeelDecorated, isRootPaneCheckingEnabled, paramString, processWindowEvent, remove, setContentPane, setDefaultLookAndFeelDecorated, setGlassPane, setJMenuBar, setLayeredPane, setLayout, setRootPane, setRootPaneCheckingEnabled, update

Methods inherited from class java.awt.Frame

addNotify, finalize, getCursorType, getExtendedState, getFrames, getIconImage, getMaximizedBounds, getMenuBar, getState, getTitle, isResizable, isUndecorated, remove, removeNotify, setCursor, setExtendedState, setIconImage, setMaximizedBounds, setMenuBar, setResizable, setState, setUndecorated

Methods inherited from class java.awt.Window

addPropertyChangeListener, addPropertyChangeListener, addWindowFocusListener, addWindowListener, addWindowStateListener, applyResourceBundle, applyResourceBundle, createBufferStrategy, createBufferStrategy, getBufferStrategy, getFocusableWindowState, getFocusCycleRootAncestor, getFocusOwner, getFocusTraversalKeys, getGraphicsConfiguration, getInputContext, getListeners, getLocale, getMostRecentFocusOwner, getOwnedWindows, getOwner, getToolkit, getWarningString, getWindowFocusListeners, getWindowListeners, getWindowStateListeners, hide, isActive, isFocusableWindow, isFocusCycleRoot, isFocused, isShowing, pack, postEvent, processEvent, processWindowFocusEvent, processWindowStateEvent, removeWindowFocusListener, removeWindowListener, removeWindowStateListener, setCursor, setFocusableWindowState, setFocusCycleRoot, setLocationRelativeTo, toBack, toFront

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getAlignmentX, getAlignmentY, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalPolicy, getInsets, getLayout, getMaximumSize, getMinimumSize, getPreferredSize, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, print, printComponents, processContainerEvent, remove, removeAll, removeContainerListener, setFocusTraversalKeys, setFocusTraversalPolicy, setFont, 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, contains, createImage, createImage, createVolatileImage, createVolatileImage, disable, disableEvents, dispatchEvent, enable, enable, enableEvents, enableInputMethods, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocation, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, prepareImage, prepareImage, printAll, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processKeyEvent, processMouseEvent, processMouseMotionEvent, processMouseWheelEvent, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeysEnabled, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, show, size, toString, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.awt.MenuContainer

getFont, postEvent

Field Detail

MODE

public static final int MODE

See Also:

Constant Field Values

FREQ

public static final int FREQ

See Also:

Constant Field Values

OMEGA

public static final int OMEGA

See Also:

Constant Field Values

WAVENUMBER

public static final int WAVENUMBER

See Also:

Constant Field Values

MOMENTUM

public static final int MOMENTUM

See Also:

Constant Field Values

domainType

protected int domainType

complexDataset

protected ComplexDataset complexDataset

dataTable

protected DataTable dataTable

tableFrame

protected DataTableFrame tableFrame

Constructor Detail

FFTFrame

public FFTFrame(java.lang.String xlabel,
                java.lang.String ylabel,
                java.lang.String title)

A DrawingFrame that displays a FFT as its drawable.

Parameters:

xlabel - String

ylabel - String

title - String

Method Detail

addMenuItems

protected void addMenuItems()

Adds Views menu items on the menu bar.

setXYColumnNames

public void setXYColumnNames(java.lang.String xlabel,
                             java.lang.String reLabel,
                             java.lang.String imLabel)

Sets the labels on the data table. The xlabel resets the x axis label on the plot.

Parameters:

xlabel - String

reLabel - String

imLabel - String

setDomainType

public void setDomainType(int type)

Sets the units for the FFT output. Domain types are: MODE, FREQ, OMEGA, WAVENUMBER, MOMENTUM

Parameters:

type - int

convertToPostView

public void convertToPostView()

convertToAmpAndPhaseView

public void convertToAmpAndPhaseView()

convertToPhaseBarView

public void convertToPhaseBarView()

doFFT

public void doFFT(Function reF,
                  Function imF,
                  double xmin,
                  double xmax,
                  int n)

Does an FFT of the given real and imaginary function. The function is evaulauted on the interval [xmin, xmax). Note that the endpoint, xmax, is excluded.

Parameters:

reF - function the real part of the function.

imF - function the imaginary part of the function.

xmin - double

xmax - double

n - int number of compelx data points

doRealFFT

public void doRealFFT(double[] data,
                      double xmin,
                      double xmax)

Does an FFT of the given data. The array is assumed to contain real numbers. The given array remains unchanged.

Parameters:

data - double[]

xmin - double

xmax - double

doFFT

public void doFFT(double[] data,
                  double xmin,
                  double xmax)

Does an FFT of the given data array. The data array is assumed to contain complex numbers stored as successive (re,im) pairs. The given array remains unchanged.

Parameters:

data - double[]

xmin - double

xmax - double

getDrawables

public java.util.ArrayList getDrawables()

Gets Drawable objects added by the user to this frame.

Overrides:

getDrawables in class DrawingFrame

Returns:

the list

clearDrawables

public void clearDrawables()

Removes drawable objects added by the user from this frame.

Overrides:

clearDrawables in class DrawingFrame

getDrawables

public java.util.ArrayList getDrawables(java.lang.Class c)

Gets Drawable objects added by the user of an assignable type. The list contains objects that are assignable from the class or interface.

Overrides:

getDrawables in class DrawingFrame

Parameters:

c - the type of Drawable object

Returns:

the cloned list

See Also:

DrawingFrame.getObjectOfClass(Class c)

clearData

public void clearData()

Clears all the stored complex data.

Overrides:

clearData in class OSPFrame

setLogScale

public void setLogScale(boolean xlog,
                        boolean ylog)

Sets the axes to use a logarithmetic scale.

Overrides:

setLogScale in class DrawingFrame

Parameters:

xlog -

ylog -

showLegend

public void showLegend()

Shows how phase angle is mapped to color.

showDataTable

public void showDataTable(boolean show)

Shows or hides the data table.

Parameters:

show - boolean