Package org.opensourcephysics.cabrillo.tracker

Class CoordAxesStep

java.lang.Object

org.opensourcephysics.cabrillo.tracker.Step

org.opensourcephysics.cabrillo.tracker.CoordAxesStep

All Implemented Interfaces:

Cloneable

public class CoordAxesStep
extends Step

This is a Step for a CoordAxes. It is used for displaying the axes and for setting the origin, angle and/or scale of an ImageCoordSystem.

Author:

Douglas Brown

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
CoordAxesStep(CoordAxes track, int n)	Constructs an AxesStep.

Method Summary

Modifier and Type	Method	Description
Object	clone()	Clones this Step.
protected void	dispose()	Disposes of this step.
void	draw(DrawingPanel panel, Graphics _g)	Overrides Step draw method.
Interactive	findInteractive(DrawingPanel panel, int xpix, int ypix)	Overrides Step findInteractive method.
TPoint	getHandle()	Gets the handle.
static int	getLength()	Gets the step length.
protected Mark	getMark(TrackerPanel trackerPanel)	Overrides Step getMark method.
TPoint	getOrigin()	Gets the origin.
int	getPointIndex(TPoint p)	Overrides Step getPointIndex method.
boolean	isHandleEnabled()	Gets whether the handle is enabled.
boolean	isOriginEnabled()	Gets whether the origin is enabled.
void	setHandleEnabled(boolean enabled)	Enables and disables the interactivity of the handle.
void	setOriginEnabled(boolean enabled)	/** Enables and disables the interactivity of the origin.
String	toString()	Returns a String describing this.

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

erase, erase, getDefaultPoint, getFrameNumber, 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

CoordAxesStep

public CoordAxesStep(CoordAxes track,
 int n)

Constructs an AxesStep.

Parameters:

track - the track

n - the frame number

Method Details

getOrigin

public TPoint getOrigin()

Gets the origin.

Returns:

the origin

getHandle

public TPoint getHandle()

Gets the handle.

Returns:

the origin

setOriginEnabled

public void setOriginEnabled(boolean enabled)

/** Enables and disables the interactivity of the origin.

Parameters:

enabled - true to enable the origin

isOriginEnabled

public boolean isOriginEnabled()

Gets whether the origin is enabled.

Returns:

true if the origin is enabled

setHandleEnabled

public void setHandleEnabled(boolean enabled)

Enables and disables the interactivity of the handle.

Parameters:

enabled - true to enable the handle

isHandleEnabled

public boolean isHandleEnabled()

Gets whether the handle is enabled.

Returns:

true if the handle is enabled

findInteractive

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

Overrides Step findInteractive method.

Overrides:

findInteractive in class Step

Parameters:

panel - the drawing panel

xpix - the x pixel position

ypix - the y pixel position

Returns:

the TPoint that is hit, or null

draw

public void draw(DrawingPanel panel,
 Graphics _g)

Overrides Step draw method.

Overrides:

draw in class Step

Parameters:

panel - the drawing panel requesting the drawing

_g - the graphics context on which to draw

getMark

protected Mark getMark(TrackerPanel trackerPanel)

Overrides Step getMark method.

Overrides:

getMark in class Step

Parameters:

trackerPanel - the tracker panel

Returns:

the mark

getPointIndex

public int getPointIndex(TPoint p)

Overrides Step getPointIndex method.

Overrides:

getPointIndex in class Step

Parameters:

p - the point

Returns:

the index, or -1 if not found

clone

public Object clone()

Clones this Step.

Overrides:

clone in class Step

Returns:

a clone of this step

toString

public String toString()

Returns a String describing this.

Overrides:

toString in class Step

Returns:

a descriptive string

getLength

public static int getLength()

Gets the step length.

Returns:

the length of the points array

dispose

protected void dispose()

Description copied from class: Step

Disposes of this step.

Overrides:

dispose in class Step