org.opensourcephysics.cabrillo.tracker
Class DynamicParticleConvertible

java.lang.Object
  org.opensourcephysics.cabrillo.tracker.TTrack
      org.opensourcephysics.cabrillo.tracker.PointMass
          org.opensourcephysics.cabrillo.tracker.ParticleModel
              org.opensourcephysics.cabrillo.tracker.DynamicParticle
                  org.opensourcephysics.cabrillo.tracker.DynamicParticleConvertible

All Implemented Interfaces:

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

public class DynamicParticleConvertible
extends DynamicParticle

DynamicParticle models a particle using Newton'w 2nd law.

Version:

1.0

Author:

W. Christian, D. Brown

Nested Class Summary

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

TTrack.StepArray

Field Summary

static java.lang.String	OMEGA
static java.lang.String	THETA

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

frameStates, initialState, iterationsPerStep, points, system

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

dt, endFrame, functionEditor, functionPanel, inspector, inspectorH, inspectorX, inspectorY, invalidWarningShown, lastValidFrame, loading, nan, prevX, prevY, refreshDerivsLater, refreshing, refreshStepsLater, showInspector, startFrame, startFrameUndefined, t0, time, timeFormat, tracePt, tracePtsPerStep, traceX, traceY, xLimit, yLimit

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

aAtOrigin, accelerationMenu, accelFootprintMenu, aDeriv, aDerivSpill, aFootprint, aFootprints, aMap, aTailsToOriginItem, aTailsToPositionItem, autotrackItem, aVisibleItem, aVisibleOnAll, aVisMap, dataDescriptions, derivData, mass, massField, massLabel, mSeparator, params, positionFootprintMenu, trace, traceStroke, traceVisible, validData, vAtOrigin, vDeriv, vDerivSpill, velocFootprintMenu, velocityMenu, vFootprint, vFootprints, vMap, vTailsToOriginItem, vTailsToPositionItem, vVisibleItem, vVisibleOnAll, vVisMap, xData, xVisibleOnAll, xVisMap, 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

DynamicParticleConvertible()

Method Summary

protected UserFunction[]	createPolarMainFunctions()
protected double[]	getCartesianState(double[] polarState) Converts a polar state {t, r, theta, vr, omega} to cartesian {t, x, y, vx, vy}, both relative to the origin.
static XML.ObjectLoader	getLoader() Returns an ObjectLoader to save and load data for this class.
protected java.awt.geom.Point2D[]	getNextTracePositions() Gets the next trace position.
protected double[]	getPolarState(double[] state) Converts a cartesian state {t, x, y, vx, vy} to polar {t, r, theta, vr, omega}, both relative to the origin.
void	getRate(double[] state, double[] rate) Gets the rate {vx, ax, vy, ay, 1} based on a specified state {x, vx, y, vy, t}.
double[]	getState() Gets the current state {x, vx, y, vy, t}.
protected void	initializeFunctionPanel() Creates the ModelFunctionPanel.
protected void	initializeParameters(double[] input) Creates the initial position and velocity parameters by converting from cartesian to polar or vice-versa.
void	reset() Resets parameters, initializes solver and sets position(s) for start frame or first clip frame following.
protected void	resetState(double[] input) Resets the state variables based on the specified input.
void	setSolver(java.lang.Class<?> solverClass) Sets the ODESolver type.

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

delete, draw, getDisplayName, getEndFrame, getInitialState, getStartFrame, getXYForces, initializeInitEditor, refreshSteps, resetState, restoreState, saveState, setEndFrame, setStartFrame, setTracePositions

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

cleanup, createMassAndTimeParameters, drawMe, findInteractive, getFunctionEditor, getInitEditor, getInitialValues, getInspector, getMass, getMenu, getModels, getParamEditor, getToolbarPointComponents, isAutoTrackable, isDependent, isModelsVisible, isStepComplete, propertyChange, refreshDerivsIfNeeded, refreshInitialTime, setAnglesInRadians, setLocked, setMass, setName, setTrackerPanel, trimSteps

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

createGUI, createStep, deleteStep, erase, erase, getAArray, getAcceleration, getAccelerationFootprint, getAccelerationFootprints, getAccelerations, getDataDescription, getDefaultAutoTrackerIndex, getFootprint, getFootprintLength, getFootprints, getNextVisibleStep, getPreviousVisibleStep, getRotationData, getRotationData, getStep, getStepLength, getTargetDescription, getToolbarTrackComponents, getVArray, getVelocities, getVelocity, getVelocityFootprint, getVelocityFootprints, getWorldAcceleration, getWorldPosition, getWorldVelocity, isAcceleration, isAVisible, isLabelsVisible, isPosition, isPositionVisible, isStepVisible, isTraceVisible, isVelocity, isVVisible, refreshData, remark, remark, setAccelerationFootprint, setAccelerationFootprints, setAVisible, setAVisibleOnAll, setColor, setFootprint, setLabelsVisible, setPositionVisible, setPositionVisibleOnAll, setTraceVisible, setVelocityFootprint, setVelocityFootprints, setVVisible, setVVisibleOnAll, updateDerivatives, updateDerivatives, updateDerivatives, updateDerivatives, updateDerivatives, updateDerivatives

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

addFootprint, addPropertyChangeListener, addPropertyChangeListener, autoMarkAt, createWarningDialog, 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, isEmpty, isEnabled, isLocked, isMarkByDefault, isMeasured, isTrailVisible, isViewable, isVisible, refreshData, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, setAutoAdvance, setColorToDefault, setDefaultNameAndColor, setDescription, setEnabled, setFootprint, setFootprints, setFootprints, setMarkByDefault, setMarking, setProperty, setTargetIndex, setTargetIndex, setTargetIndex, 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

THETA

public static final java.lang.String THETA

OMEGA

public static final java.lang.String OMEGA

Constructor Detail

DynamicParticleConvertible

public DynamicParticleConvertible()

Method Detail

reset

public void reset()

Description copied from class: DynamicParticle

Resets parameters, initializes solver and sets position(s) for start frame or first clip frame following.

Overrides:

reset in class DynamicParticle

getState

public double[] getState()

Description copied from class: DynamicParticle

Gets the current state {x, vx, y, vy, t}.

Specified by:

getState in interface ODE

Overrides:

getState in class DynamicParticle

Returns:

the state

getRate

public void getRate(double[] state,
                    double[] rate)

Description copied from class: DynamicParticle

Gets the rate {vx, ax, vy, ay, 1} based on a specified state {x, vx, y, vy, t}.

Specified by:

getRate in interface ODE

Overrides:

getRate in class DynamicParticle

Parameters:

state - the state

rate - the rate of change of the state

setSolver

public void setSolver(java.lang.Class<?> solverClass)

Sets the ODESolver type.

Overrides:

setSolver in class DynamicParticle

Parameters:

solverClass - the solver class

initializeFunctionPanel

protected void initializeFunctionPanel()

Creates the ModelFunctionPanel.

Overrides:

initializeFunctionPanel in class DynamicParticle

createPolarMainFunctions

protected UserFunction[] createPolarMainFunctions()

getNextTracePositions

protected java.awt.geom.Point2D[] getNextTracePositions()

Gets the next trace position.

Overrides:

getNextTracePositions in class DynamicParticle

Returns:

an array of points at the trace positions

resetState

protected void resetState(double[] input)

Resets the state variables based on the specified input. Note: if polarInitialConditions is true, the input must be polar. If not true, the input must be cartesian.

Parameters:

input - double[] {t, x, y, vx, vy} or {t, r, theta, vr, omega}

initializeParameters

protected void initializeParameters(double[] input)

Creates the initial position and velocity parameters by converting from cartesian to polar or vice-versa. Note: if polarInitialConditions is true, the input must be cartesian. If not, the input must be polar.

Parameters:

input - double[] {t, x, y, vx, vy} or {t, r, theta, vr, omega}

getPolarState

protected double[] getPolarState(double[] state)

Converts a cartesian state {t, x, y, vx, vy} to polar {t, r, theta, vr, omega}, both relative to the origin.

Parameters:

state - the cartesian state

Returns:

the polar state

getCartesianState

protected double[] getCartesianState(double[] polarState)

Converts a polar state {t, r, theta, vr, omega} to cartesian {t, x, y, vx, vy}, both relative to the origin.

Parameters:

polarState - the polar state

Returns:

the cartesian state

getLoader

public static XML.ObjectLoader getLoader()

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

Returns:

the object loader