Package org.opensourcephysics.cabrillo.tracker

Class PerspectiveStep

java.lang.Object

org.opensourcephysics.cabrillo.tracker.Step

org.opensourcephysics.cabrillo.tracker.PerspectiveStep

All Implemented Interfaces:

Cloneable

public class PerspectiveStep
extends Step

This is a Step for a PerspectiveTrack.

Author:

Douglas Brown

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
class	PerspectiveStep.Corner	A corner TPoint class to fire property change events

Field Summary

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

dataVisible, defaultIndex, footprint, format, hitRect, n, panelMarks, points, screenPoints, selectionShape, selectionStroke, trackID, transform, type, TYPE_ACCELERATION, TYPE_UNKNOWN, TYPE_VELOCITY, valid

Constructor Summary

Constructors

Constructor	Description
PerspectiveStep(PerspectiveTrack track, int n, double x, double y)	Constructs a PerspectiveStep with specified image coordinates.

Method Summary

Modifier and Type	Method	Description
Object	clone()	Clones this Step.
TPoint	getDefaultPoint()	Gets the default point.
protected Mark	getMark(TrackerPanel trackerPanel)	Overrides Step getMark method.
int	getPointIndex(TPoint p)	Gets the index of a position or perspective filter corner point.
String	toString()	Returns a String describing this step.

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

dispose, draw, erase, erase, findInteractive, getFrameNumber, getLength, getPoints, getTrack, remark, remark, repaint, repaint, setDefaultPointIndex, setFootprint, setHitRectCenter

Methods inherited from class java.lang.Object

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

Constructor Details

PerspectiveStep

public PerspectiveStep(PerspectiveTrack track,
 int n,
 double x,
 double y)

Constructs a PerspectiveStep with specified image coordinates.

Parameters:

track - the PerspectiveTrack track

n - the frame number

x - the x coordinate

y - the y coordinate

Method Details

getPointIndex

public int getPointIndex(TPoint p)

Gets the index of a position or perspective filter corner point.

Overrides:

getPointIndex in class Step

Parameters:

p - the point

Returns:

the index, or -1 if not found

getDefaultPoint

public TPoint getDefaultPoint()

Gets the default point.

Overrides:

getDefaultPoint in class Step

Returns:

the default TPoint

getMark

protected Mark getMark(TrackerPanel trackerPanel)

Overrides Step getMark method.

Overrides:

getMark in class Step

Parameters:

trackerPanel - the tracker panel

Returns:

the mark

clone

public Object clone()

Clones this Step.

Overrides:

clone in class Step

Returns:

a cloned step

toString

public String toString()

Returns a String describing this step.

Overrides:

toString in class Step

Returns:

a descriptive string