org.opensourcephysics.cabrillo.tracker
Class PointMass

java.lang.Object
  org.opensourcephysics.cabrillo.tracker.TTrack
      org.opensourcephysics.cabrillo.tracker.PointMass

All Implemented Interfaces:

java.beans.PropertyChangeListener, java.util.EventListener, Drawable, Interactive, Measurable, Trackable

Direct Known Subclasses:

CenterOfMass, ParticleModel

public class PointMass
extends TTrack

A PointMass tracks the position, velocity and acceleration of a point mass.

Author:

Douglas Brown

Nested Class Summary

Nested classes/interfaces inherited from class org.opensourcephysics.cabrillo.tracker.TTrack

TTrack.StepArray

Field Summary

protected boolean	aAtOrigin
protected javax.swing.JMenu	accelerationMenu
protected javax.swing.JMenu	accelFootprintMenu
protected Derivative	aDeriv
protected int	aDerivSpill
protected Footprint	aFootprint
protected Footprint[]	aFootprints
protected java.util.Map<TrackerPanel,TTrack.StepArray>	aMap
protected javax.swing.JMenuItem	aTailsToOriginItem
protected javax.swing.JMenuItem	aTailsToPositionItem
protected javax.swing.JMenuItem	autotrackItem
protected javax.swing.JCheckBoxMenuItem	aVisibleItem
protected boolean	aVisibleOnAll
protected java.util.Map<TrackerPanel,java.lang.Boolean>	aVisMap
protected java.lang.String[]	dataDescriptions
protected java.lang.Object[]	derivData
protected double	mass
protected NumberField	massField
protected javax.swing.JLabel	massLabel
protected java.awt.Component	mSeparator
protected int[]	params
protected javax.swing.JMenu	positionFootprintMenu
protected java.awt.geom.GeneralPath	trace
protected java.awt.Stroke	traceStroke
protected boolean	traceVisible
protected boolean[]	validData
protected boolean	vAtOrigin
protected Derivative	vDeriv
protected int	vDerivSpill
protected javax.swing.JMenu	velocFootprintMenu
protected javax.swing.JMenu	velocityMenu
protected Footprint	vFootprint
protected Footprint[]	vFootprints
protected java.util.Map<TrackerPanel,TTrack.StepArray>	vMap
protected javax.swing.JMenuItem	vTailsToOriginItem
protected javax.swing.JMenuItem	vTailsToPositionItem
protected javax.swing.JCheckBoxMenuItem	vVisibleItem
protected boolean	vVisibleOnAll
protected java.util.Map<TrackerPanel,java.lang.Boolean>	vVisMap
protected double[]	xData
protected boolean	xVisibleOnAll
protected java.util.Map<TrackerPanel,java.lang.Boolean>	xVisMap
protected double[]	yData

Fields inherited from class org.opensourcephysics.cabrillo.tracker.TTrack

alphabet, angleField, angleLabel, angleSeparator, autoAdvance, autoAdvanceItem, autoTrackerMarking, circleFootprintListener, clearStepsItem, closeButton, colorItem, constantsLoadedFromXML, data, dataBuilderItem, dataFrames, dataProp, dataValid, defaultColors, defaultFootprint, deleteItem, description, descriptionItem, enabled, fieldBorder, footprint, footprintListener, footprintMenu, footprints, frc, hint, isMarking, keyFrames, labelFont, locked, lockedItem, magField, magLabel, magSeparator, markByDefault, markByDefaultItem, menu, name, nameAction, nameDialog, nameField, nameItem, panels, partName, point, preferredColumnOrder, properties, refreshDataLater, skippedStepWarningCheckbox, skippedStepWarningDialog, skippedStepWarningOn, skippedStepWarningTextpane, stepLabel, steps, stepSeparator, stepSizeWhenFirstMarked, stepValueLabel, support, targetIndex, tField, tLabel, toolbarPointComponents, toolbarTrackComponents, trackerPanel, trailLength, trailVisible, trailVisibleItem, tSeparator, tValueLabel, viewable, visible, visibleItem, worldBounds, xField, xLabel, xSeparator, xSpinner, yField, yLabel, ySeparator, ySpinner

Constructor Summary

PointMass()
Constructs a PointMass with mass 1.0.

PointMass(double mass)
Constructs a PointMass with specified mass.

Method Summary

protected void	cleanup() Cleans up associated resources when this track is deleted or cleared.
protected void	createGUI() Creates the GUI.
Step	createStep(int n, double x, double y) Creates a new position step.
Step	deleteStep(int n) Overrides TTrack deleteStep method.
void	draw(DrawingPanel panel, java.awt.Graphics _g) Overrides TTrack draw method.
void	erase() Overrides TTrack erase method to include v, a and the autoTracker.
void	erase(TrackerPanel trackerPanel) Overrides TTrack erase method.
Interactive	findInteractive(DrawingPanel panel, int xpix, int ypix) Overrides TTrack findInteractive method.
protected TTrack.StepArray	getAArray(TrackerPanel trackerPanel) Gets the acceleration StepArray for the specified panel.
VectorStep	getAcceleration(int n, TrackerPanel trackerPanel) Gets the acceleration for the specified frame number and panel.
Footprint	getAccelerationFootprint() Gets the current acceleration footprint.
Footprint[]	getAccelerationFootprints() Gets the acceleration footprint choices.
Step[]	getAccelerations(TrackerPanel trackerPanel) Gets the acceleration step array for the specified panel.
java.lang.String	getDataDescription(int index) Gets the description of a data variable.
int	getDefaultAutoTrackerIndex() Gets the default step point index.
Footprint	getFootprint(Step step) Gets the current footprint of the specified step.
int	getFootprintLength() Gets the length of the footprints required by this track.
Footprint[]	getFootprints(Step step) Gets the footprint choices.
static XML.ObjectLoader	getLoader() Returns an ObjectLoader to save and load data for this class.
double	getMass() Gets the mass.
javax.swing.JMenu	getMenu(TrackerPanel trackerPanel) Returns a menu with items that control this track.
Step	getNextVisibleStep(Step step, TrackerPanel trackerPanel) Gets next step after the specified step.
Step	getPreviousVisibleStep(Step step, TrackerPanel trackerPanel) Gets step before the specified step.
protected java.lang.Object[]	getRotationData() Gets the rotational data.
protected java.lang.Object[]	getRotationData(int startFrame, int stepCount) Gets the rotational data.
Step	getStep(TPoint point, TrackerPanel trackerPanel) Overrides TTrack getStep method.
int	getStepLength() Gets the length of the steps created by this track.
protected java.lang.String	getTargetDescription(int pointIndex) Returns a description of the point at a given index.
java.util.ArrayList<java.awt.Component>	getToolbarPointComponents(TrackerPanel trackerPanel, TPoint point) Overrides TTrack getToolbarPointComponents method.
java.util.ArrayList<java.awt.Component>	getToolbarTrackComponents(TrackerPanel trackerPanel) Overrides TTrack getToolbarTrackComponents method.
protected TTrack.StepArray	getVArray(TrackerPanel trackerPanel) Gets the velocity StepArray for the specified panel.
Step[]	getVelocities(TrackerPanel trackerPanel) Gets the velocity step array for the specified panel.
VectorStep	getVelocity(int n, TrackerPanel trackerPanel) Gets the velocity for the specified frame number and panel.
Footprint	getVelocityFootprint() Gets the current velocity footprint.
Footprint[]	getVelocityFootprints() Gets the velocity footprint choices.
java.awt.geom.Point2D	getWorldAcceleration(int n, TrackerPanel trackerPanel) Gets the world acceleration for the specified frame number and panel.
java.awt.geom.Point2D	getWorldPosition(int n, TrackerPanel trackerPanel) Gets the world position for the specified frame number and panel.
java.awt.geom.Point2D	getWorldVelocity(int n, TrackerPanel trackerPanel) Gets the world velocity for the specified frame number and panel.
boolean	isAcceleration(Step step) Determines whether the specified step is an acceleration step.
protected boolean	isAutoTrackable() Determines if any point in this track is autotrackable.
boolean	isAVisible(TrackerPanel trackerPanel) Gets whether the accelerations are visible on the specified panel.
boolean	isLabelsVisible(TrackerPanel panel) Gets the labels visibility.
boolean	isPosition(Step step) Determines whether the specified step is a position step.
boolean	isPositionVisible(TrackerPanel trackerPanel) Gets whether the positions are visible on the specified panel.
boolean	isStepComplete(int n) Returns true if the step at the specified frame number is complete.
boolean	isStepVisible(Step step, TrackerPanel trackerPanel) Reports whether or not the specified step is visible.
boolean	isTraceVisible() Gets trace visibility.
boolean	isVelocity(Step step) Determines whether the specified step is a velocity step.
boolean	isVVisible(TrackerPanel trackerPanel) Gets whether the velocities are visible on the specified panel.
void	propertyChange(java.beans.PropertyChangeEvent e) Responds to property change events.
protected void	refreshData(DatasetManager data, TrackerPanel trackerPanel) Refreshes the data.
void	remark() Overrides TTrack remark method.
void	remark(TrackerPanel trackerPanel) Overrides TTrack remark method.
void	setAccelerationFootprint(java.lang.String name) Sets the aceleration footprint.
void	setAccelerationFootprints(Footprint[] choices) Sets the acceleration footprint choices.
void	setAVisible(TrackerPanel trackerPanel, boolean visible) Shows and hides accelerations on the specified panel.
void	setAVisibleOnAll(boolean visible) Sets whether accelerations are visible on all tracker panels.
void	setColor(java.awt.Color color) Overrides TTrack setColor method.
void	setFootprint(java.lang.String name, Step step) Sets the footprint to the specified choice.
void	setLabelsVisible(TrackerPanel panel, boolean visible) Sets the visibility of labels on the specified panel.
void	setMass(double mass) Sets the mass.
void	setPositionVisible(TrackerPanel trackerPanel, boolean visible) Shows and hides positions on the specified panel.
void	setPositionVisibleOnAll(boolean visible) Sets whether positions are visible on all tracker panels.
void	setTraceVisible(boolean visible) Sets whether traces are visible.
void	setVelocityFootprint(java.lang.String name) Sets the velocity footprint.
void	setVelocityFootprints(Footprint[] choices) Sets the velocity footprint choices.
void	setVVisible(TrackerPanel trackerPanel, boolean visible) Shows and hides velocities on the specified panel.
void	setVVisibleOnAll(boolean visible) Sets whether velocities are visible on all tracker panels.
protected void	updateDerivatives() Updates all velocity and acceleration steps on all TrackerPanels.
protected void	updateDerivatives(int frameNumber) Updates velocity and acceleration steps around a give frame number.
protected void	updateDerivatives(int startFrame, int stepCount) Updates velocity and acceleration steps for a specified start frame and step count.
protected void	updateDerivatives(TrackerPanel trackerPanel) Updates all velocity and acceleration steps on a TrackerPanel.
protected void	updateDerivatives(TrackerPanel trackerPanel, int frameNumber) Updates velocity and acceleration steps around a give frame number on a TrackerPanel.
protected void	updateDerivatives(TrackerPanel trackerPanel, int startFrame, int stepCount) Updates velocity and acceleration steps for a specified start frame and step count.

Methods inherited from class org.opensourcephysics.cabrillo.tracker.TTrack

addFootprint, addPropertyChangeListener, addPropertyChangeListener, autoMarkAt, createWarningDialog, delete, firePropertyChange, getColor, getData, getDataName, getDescription, getFootprint, getFootprints, getFrameForData, getMarkedPoint, getMarkingCursor, getMessage, getName, getPreferredDataOrder, getProperty, getPropertyNames, getSkippedStepWarningDialog, getStep, getSteps, getStepSizeWarningDialog, getTargetIndex, getTrailLength, getWorldBounds, getX, getXMax, getXMax, getXMin, getXMin, getY, getYMax, getYMax, getYMin, getYMin, isAutoAdvance, isAutoTrackable, isDependent, isEmpty, isEnabled, isLocked, isMarkByDefault, isMeasured, isTrailVisible, isViewable, isVisible, refreshData, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, setAnglesInRadians, setAutoAdvance, setColorToDefault, setDefaultNameAndColor, setDescription, setEnabled, setFootprint, setFootprints, setFootprints, setLocked, setMarkByDefault, setMarking, setName, setProperty, setTargetIndex, setTargetIndex, setTargetIndex, setTrackerPanel, setTrailLength, setTrailVisible, setViewable, setVisible, setX, setXY, setY, toString

Methods inherited from class java.lang.Object

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

Field Detail

mass

protected double mass

vFootprints

protected Footprint[] vFootprints

vFootprint

protected Footprint vFootprint

aFootprints

protected Footprint[] aFootprints

aFootprint

protected Footprint aFootprint

vMap

protected java.util.Map<TrackerPanel,TTrack.StepArray> vMap

aMap

protected java.util.Map<TrackerPanel,TTrack.StepArray> aMap

xVisMap

protected java.util.Map<TrackerPanel,java.lang.Boolean> xVisMap

vVisMap

protected java.util.Map<TrackerPanel,java.lang.Boolean> vVisMap

aVisMap

protected java.util.Map<TrackerPanel,java.lang.Boolean> aVisMap

xVisibleOnAll

protected boolean xVisibleOnAll

vVisibleOnAll

protected boolean vVisibleOnAll

aVisibleOnAll

protected boolean aVisibleOnAll

vDeriv

protected Derivative vDeriv

vDerivSpill

protected int vDerivSpill

aDeriv

protected Derivative aDeriv

aDerivSpill

protected int aDerivSpill

params

protected int[] params

xData

protected double[] xData

yData

protected double[] yData

validData

protected boolean[] validData

derivData

protected java.lang.Object[] derivData

massLabel

protected javax.swing.JLabel massLabel

massField

protected NumberField massField

mSeparator

protected java.awt.Component mSeparator

positionFootprintMenu

protected javax.swing.JMenu positionFootprintMenu

velocFootprintMenu

protected javax.swing.JMenu velocFootprintMenu

accelFootprintMenu

protected javax.swing.JMenu accelFootprintMenu

velocityMenu

protected javax.swing.JMenu velocityMenu

accelerationMenu

protected javax.swing.JMenu accelerationMenu

vTailsToOriginItem

protected javax.swing.JMenuItem vTailsToOriginItem

vTailsToPositionItem

protected javax.swing.JMenuItem vTailsToPositionItem

aTailsToOriginItem

protected javax.swing.JMenuItem aTailsToOriginItem

aTailsToPositionItem

protected javax.swing.JMenuItem aTailsToPositionItem

autotrackItem

protected javax.swing.JMenuItem autotrackItem

vVisibleItem

protected javax.swing.JCheckBoxMenuItem vVisibleItem

aVisibleItem

protected javax.swing.JCheckBoxMenuItem aVisibleItem

dataDescriptions

protected java.lang.String[] dataDescriptions

vAtOrigin

protected boolean vAtOrigin

aAtOrigin

protected boolean aAtOrigin

traceVisible

protected boolean traceVisible

trace

protected java.awt.geom.GeneralPath trace

traceStroke

protected java.awt.Stroke traceStroke

Constructor Detail

PointMass

public PointMass()

Constructs a PointMass with mass 1.0.

PointMass

public PointMass(double mass)

Constructs a PointMass with specified mass.

Parameters:

mass - the mass

Method Detail

setColor

public void setColor(java.awt.Color color)

Overrides TTrack setColor method.

Overrides:

setColor in class TTrack

Parameters:

color - the desired color

createStep

public Step createStep(int n,
                       double x,
                       double y)

Creates a new position step.

Specified by:

createStep in class TTrack

Parameters:

n - the frame number

x - the x coordinate in image space

y - the y coordinate in image space

Returns:

the new step

deleteStep

public Step deleteStep(int n)

Overrides TTrack deleteStep method.

Overrides:

deleteStep in class TTrack

Parameters:

n - the frame number

Returns:

the deleted step

getStep

public Step getStep(TPoint point,
                    TrackerPanel trackerPanel)

Overrides TTrack getStep method.

Overrides:

getStep in class TTrack

Parameters:

point - a TPoint

trackerPanel - the tracker panel

Returns:

the step containing the TPoint

getNextVisibleStep

public Step getNextVisibleStep(Step step,
                               TrackerPanel trackerPanel)

Gets next step after the specified step. May return null.

Overrides:

getNextVisibleStep in class TTrack

Parameters:

step - the step

trackerPanel - the tracker panel

Returns:

the next step

getPreviousVisibleStep

public Step getPreviousVisibleStep(Step step,
                                   TrackerPanel trackerPanel)

Gets step before the specified step. May return null.

Overrides:

getPreviousVisibleStep in class TTrack

Parameters:

step - the step

trackerPanel - the tracker panel

Returns:

the previous step

getStepLength

public int getStepLength()

Gets the length of the steps created by this track.

Specified by:

getStepLength in class TTrack

Returns:

the footprint length

getDefaultAutoTrackerIndex

public int getDefaultAutoTrackerIndex()

Gets the default step point index.

Specified by:

getDefaultAutoTrackerIndex in class TTrack

Returns:

the step pint index

isAutoTrackable

protected boolean isAutoTrackable()

Determines if any point in this track is autotrackable.

Overrides:

isAutoTrackable in class TTrack

Returns:

true if autotrackable

getFootprintLength

public int getFootprintLength()

Gets the length of the footprints required by this track.

Specified by:

getFootprintLength in class TTrack

Returns:

the footprint length

getVelocityFootprints

public Footprint[] getVelocityFootprints()

Gets the velocity footprint choices.

Returns:

the velocity footprint choices

setVelocityFootprints

public void setVelocityFootprints(Footprint[] choices)

Sets the velocity footprint choices.

Parameters:

choices - the velocity footprint choices

getVelocityFootprint

public Footprint getVelocityFootprint()

Gets the current velocity footprint.

Returns:

the velocity footprint

setVelocityFootprint

public void setVelocityFootprint(java.lang.String name)

Sets the velocity footprint.

Parameters:

name - the name of the desired footprint

getAccelerationFootprints

public Footprint[] getAccelerationFootprints()

Gets the acceleration footprint choices.

Returns:

the acceleration footprint choices

setAccelerationFootprints

public void setAccelerationFootprints(Footprint[] choices)

Sets the acceleration footprint choices.

Parameters:

choices - the acceleration footprint choices

getAccelerationFootprint

public Footprint getAccelerationFootprint()

Gets the current acceleration footprint.

Returns:

the acceleration footprint

setAccelerationFootprint

public void setAccelerationFootprint(java.lang.String name)

Sets the aceleration footprint.

Parameters:

name - the name of the desired footprint

getFootprints

public Footprint[] getFootprints(Step step)

Gets the footprint choices. Overrides TTrack.

Overrides:

getFootprints in class TTrack

Parameters:

step - the step that identifies the step array

Returns:

the array of Footprints available

setFootprint

public void setFootprint(java.lang.String name,
                         Step step)

Sets the footprint to the specified choice. Overrides TTrack.

Overrides:

setFootprint in class TTrack

Parameters:

name - the name of the desired footprint

step - the step that identifies the step array

getFootprint

public Footprint getFootprint(Step step)

Gets the current footprint of the specified step. Overrides TTrack.

Overrides:

getFootprint in class TTrack

Parameters:

step - the step that identifies the step array

Returns:

the footprint

getMass

public double getMass()

Gets the mass.

Returns:

the mass

setMass

public void setMass(double mass)

Sets the mass.

Parameters:

mass - the mass

isStepComplete

public boolean isStepComplete(int n)

Returns true if the step at the specified frame number is complete. Overrides TTrack isStepComplete method.

Overrides:

isStepComplete in class TTrack

Parameters:

n - the frame number

Returns:

true if the step is complete

getWorldPosition

public java.awt.geom.Point2D getWorldPosition(int n,
                                              TrackerPanel trackerPanel)

Gets the world position for the specified frame number and panel. May return null;

Parameters:

n - the frame number

trackerPanel - the tracker panel

Returns:

a Point2D containing the position components

getWorldVelocity

public java.awt.geom.Point2D getWorldVelocity(int n,
                                              TrackerPanel trackerPanel)

Gets the world velocity for the specified frame number and panel. May return null;

Parameters:

n - the frame number

trackerPanel - the tracker panel

Returns:

a Point2D containing the velocity components

getWorldAcceleration

public java.awt.geom.Point2D getWorldAcceleration(int n,
                                                  TrackerPanel trackerPanel)

Gets the world acceleration for the specified frame number and panel. May return null;

Parameters:

n - the frame number

trackerPanel - the tracker panel

Returns:

a Point2D containing the acceleration components

getTargetDescription

protected java.lang.String getTargetDescription(int pointIndex)

Returns a description of the point at a given index. Used by AutoTracker.

Overrides:

getTargetDescription in class TTrack

Parameters:

pointIndex - the points[] index

Returns:

the description

refreshData

protected void refreshData(DatasetManager data,
                           TrackerPanel trackerPanel)

Refreshes the data.

Overrides:

refreshData in class TTrack

Parameters:

data - the DatasetManager

trackerPanel - the tracker panel

getDataDescription

public java.lang.String getDataDescription(int index)

Gets the description of a data variable. Index zero is the shared x-variable, indices 1-n+1 are the y-variables.

Overrides:

getDataDescription in class TTrack

Parameters:

index - the dataset index

Returns:

a String data description

draw

public void draw(DrawingPanel panel,
                 java.awt.Graphics _g)

Overrides TTrack draw method.

Specified by:

draw in interface Drawable

Overrides:

draw in class TTrack

Parameters:

panel - the drawing panel requesting the drawing

_g - the graphics context on which to draw

findInteractive

public Interactive findInteractive(DrawingPanel panel,
                                   int xpix,
                                   int ypix)

Overrides TTrack findInteractive method.

Specified by:

findInteractive in interface Interactive

Overrides:

findInteractive in class TTrack

Parameters:

panel - the drawing panel

xpix - the x pixel position on the panel

ypix - the y pixel position on the panel

Returns:

the first step or motion vector that is hit

isStepVisible

public boolean isStepVisible(Step step,
                             TrackerPanel trackerPanel)

Reports whether or not the specified step is visible.

Overrides:

isStepVisible in class TTrack

Parameters:

step - the step

trackerPanel - the tracker panel

Returns:

true if the step is visible

setVVisibleOnAll

public void setVVisibleOnAll(boolean visible)

Sets whether velocities are visible on all tracker panels.

Parameters:

visible - true to show velocities

setVVisible

public void setVVisible(TrackerPanel trackerPanel,
                        boolean visible)

Shows and hides velocities on the specified panel.

Parameters:

trackerPanel - the tracker panel

visible - true to show velocities

isVVisible

public boolean isVVisible(TrackerPanel trackerPanel)

Gets whether the velocities are visible on the specified panel.

Parameters:

trackerPanel - the tracker panel

Returns:

true if velocities are visible

setPositionVisibleOnAll

public void setPositionVisibleOnAll(boolean visible)

Sets whether positions are visible on all tracker panels.

Parameters:

visible - true to show positions

setTraceVisible

public void setTraceVisible(boolean visible)

Sets whether traces are visible.

Parameters:

visible - true to show traces

isTraceVisible

public boolean isTraceVisible()

Gets trace visibility.

Returns:

true if traces are visible

isPosition

public boolean isPosition(Step step)

Determines whether the specified step is a position step.

Parameters:

step - the step

Returns:

true if the step is a position

setPositionVisible

public void setPositionVisible(TrackerPanel trackerPanel,
                               boolean visible)

Shows and hides positions on the specified panel.

Parameters:

trackerPanel - the tracker panel

visible - true to show positions

isPositionVisible

public boolean isPositionVisible(TrackerPanel trackerPanel)

Gets whether the positions are visible on the specified panel.

Parameters:

trackerPanel - the tracker panel

Returns:

true if positions are visible

getVelocity

public VectorStep getVelocity(int n,
                              TrackerPanel trackerPanel)

Gets the velocity for the specified frame number and panel.

Parameters:

n - the frame number

trackerPanel - the tracker panel

Returns:

the velocity

getVelocities

public Step[] getVelocities(TrackerPanel trackerPanel)

Gets the velocity step array for the specified panel.

Parameters:

trackerPanel - the tracker panel

Returns:

the velocity step array

isVelocity

public boolean isVelocity(Step step)

Determines whether the specified step is a velocity step.

Parameters:

step - the step

Returns:

true if the step is a velocity VectorStep

setAVisibleOnAll

public void setAVisibleOnAll(boolean visible)

Sets whether accelerations are visible on all tracker panels.

Parameters:

visible - true to show accelerations

setAVisible

public void setAVisible(TrackerPanel trackerPanel,
                        boolean visible)

Shows and hides accelerations on the specified panel.

Parameters:

trackerPanel - the tracker panel

visible - true to show accelerations

isAVisible

public boolean isAVisible(TrackerPanel trackerPanel)

Gets whether the accelerations are visible on the specified panel.

Parameters:

trackerPanel - the tracker panel

Returns:

true if accelerations are visible

getAcceleration

public VectorStep getAcceleration(int n,
                                  TrackerPanel trackerPanel)

Gets the acceleration for the specified frame number and panel.

Parameters:

n - the frame number

trackerPanel - the tracker panel

Returns:

the acceleration vector

getAccelerations

public Step[] getAccelerations(TrackerPanel trackerPanel)

Gets the acceleration step array for the specified panel.

Parameters:

trackerPanel - the tracker panel

Returns:

the acceleration step array

isAcceleration

public boolean isAcceleration(Step step)

Determines whether the specified step is an acceleration step.

Parameters:

step - the step

Returns:

true if the step is an acceleration VectorStep

setLabelsVisible

public void setLabelsVisible(TrackerPanel panel,
                             boolean visible)

Sets the visibility of labels on the specified panel.

Parameters:

panel - the tracker panel

visible - true to show all labels

isLabelsVisible

public boolean isLabelsVisible(TrackerPanel panel)

Gets the labels visibility.

Parameters:

panel - the tracker panel

Returns:

true if labels are visible

updateDerivatives

protected void updateDerivatives()

Updates all velocity and acceleration steps on all TrackerPanels.

updateDerivatives

protected void updateDerivatives(int startFrame,
                                 int stepCount)

Updates velocity and acceleration steps for a specified start frame and step count.

Parameters:

startFrame - the start frame

stepCount - the step count

updateDerivatives

protected void updateDerivatives(int frameNumber)

Updates velocity and acceleration steps around a give frame number.

Parameters:

frameNumber - the frame number

updateDerivatives

protected void updateDerivatives(TrackerPanel trackerPanel,
                                 int frameNumber)

Updates velocity and acceleration steps around a give frame number on a TrackerPanel.

Parameters:

trackerPanel - the TrackerPanel

frameNumber - the frame number

updateDerivatives

protected void updateDerivatives(TrackerPanel trackerPanel)

Updates all velocity and acceleration steps on a TrackerPanel.

Parameters:

trackerPanel - the TrackerPanel

updateDerivatives

protected void updateDerivatives(TrackerPanel trackerPanel,
                                 int startFrame,
                                 int stepCount)

Updates velocity and acceleration steps for a specified start frame and step count.

Parameters:

trackerPanel - the TrackerPanel

startFrame - the start frame

stepCount - the step count

getRotationData

protected java.lang.Object[] getRotationData()

Gets the rotational data.

Returns:

Object[] {theta, omega, alpha}

getRotationData

protected java.lang.Object[] getRotationData(int startFrame,
                                             int stepCount)

Gets the rotational data.

Returns:

Object[] {theta, omega, alpha}

erase

public void erase()

Overrides TTrack erase method to include v, a and the autoTracker.

Overrides:

erase in class TTrack

remark

public void remark()

Overrides TTrack remark method.

Overrides:

remark in class TTrack

erase

public void erase(TrackerPanel trackerPanel)

Overrides TTrack erase method.

Overrides:

erase in class TTrack

Parameters:

trackerPanel - the tracker panel

remark

public void remark(TrackerPanel trackerPanel)

Overrides TTrack remark method.

Overrides:

remark in class TTrack

Parameters:

trackerPanel - the tracker panel

propertyChange

public void propertyChange(java.beans.PropertyChangeEvent e)

Responds to property change events. PointMass listens for the following events: "transform" from TrackerPanel.

Specified by:

propertyChange in interface java.beans.PropertyChangeListener

Overrides:

propertyChange in class TTrack

Parameters:

e - the property change event

getMenu

public javax.swing.JMenu getMenu(TrackerPanel trackerPanel)

Returns a menu with items that control this track.

Overrides:

getMenu in class TTrack

Parameters:

trackerPanel - the tracker panel

Returns:

a menu

getToolbarTrackComponents

public java.util.ArrayList<java.awt.Component> getToolbarTrackComponents(TrackerPanel trackerPanel)

Overrides TTrack getToolbarTrackComponents method.

Overrides:

getToolbarTrackComponents in class TTrack

Parameters:

trackerPanel - the tracker panel

Returns:

a list of components

getToolbarPointComponents

public java.util.ArrayList<java.awt.Component> getToolbarPointComponents(TrackerPanel trackerPanel,
                                                                         TPoint point)

Overrides TTrack getToolbarPointComponents method.

Overrides:

getToolbarPointComponents in class TTrack

Parameters:

trackerPanel - the tracker panel

point - the TPoint

Returns:

a list of components

getLoader

public static XML.ObjectLoader getLoader()

Returns an ObjectLoader to save and load data for this class.

Returns:

the object loader

createGUI

protected void createGUI()

Creates the GUI.

getVArray

protected TTrack.StepArray getVArray(TrackerPanel trackerPanel)

Gets the velocity StepArray for the specified panel.

Parameters:

trackerPanel - the tracker panel

Returns:

the velocity StepArray

getAArray

protected TTrack.StepArray getAArray(TrackerPanel trackerPanel)

Gets the acceleration StepArray for the specified panel.

Parameters:

trackerPanel - the tracker panel

Returns:

the acceleration StepArray

cleanup

protected void cleanup()

Cleans up associated resources when this track is deleted or cleared.

Overrides:

cleanup in class TTrack