org.opensourcephysics.sip.ch18
Class ObservedRing

java.lang.Object
  org.opensourcephysics.sip.ch18.ContractedRing
      org.opensourcephysics.sip.ch18.ObservedRing

All Implemented Interfaces:

Drawable

public class ObservedRing
extends ContractedRing

ObservedRing models the appearance of a ring at relativistic speeds.

Constructor Summary

ObservedRing(double x0, double y0, double vx, int numPts)
Constructs an ObservedRing at the given position.

Method Summary

void	draw(DrawingPanel panel, java.awt.Graphics g) Draws the ring as seen by a single observer at the origin.

Methods inherited from class org.opensourcephysics.sip.ch18.ContractedRing

setTime

Methods inherited from class java.lang.Object

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

Constructor Detail

ObservedRing

public ObservedRing(double x0,
                    double y0,
                    double vx,
                    int numPts)

Constructs an ObservedRing at the given position.

Parameters:

x0 - double

y0 - double

vx - double

numPts - int

Method Detail

draw

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

Draws the ring as seen by a single observer at the origin.

Specified by:

draw in interface Drawable

Overrides:

draw in class ContractedRing

Parameters:

panel - DrawingPanel

g - Graphics