org.opensourcephysics.sip.ch10
Class FieldLineApp

java.lang.Object
  org.opensourcephysics.controls.AbstractCalculation
      org.opensourcephysics.sip.ch10.FieldLineApp

All Implemented Interfaces:

Calculation, InteractiveMouseHandler

public class FieldLineApp
extends AbstractCalculation
implements InteractiveMouseHandler

ElectricFieldApp draws electric field lines.

Field Summary

Fields inherited from class org.opensourcephysics.controls.AbstractCalculation

control, decimalFormat, mainFrame

Constructor Summary

FieldLineApp()
The FieldLineApp constructor.

Method Summary

void	calculate() Adds a charge to the panel and does the calculation.
void	handleMouseAction(InteractivePanel panel, java.awt.event.MouseEvent evt) Handles mouse actions by dragging charges and starting field line calculations.
static void	main(java.lang.String[] args) The main method starts the Java application.
void	reset() Removes all charges and field lines and sets the initial conditions.

Methods inherited from class org.opensourcephysics.controls.AbstractCalculation

addChildFrame, clearChildFrames, getChildFrames, getLoader, getMainFrame, getOSPApp, resetCalculation, setControl

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldLineApp

public FieldLineApp()

The FieldLineApp constructor.

Method Detail

calculate

public void calculate()

Adds a charge to the panel and does the calculation.

Specified by:

calculate in interface Calculation

Specified by:

calculate in class AbstractCalculation

reset

public void reset()

Removes all charges and field lines and sets the initial conditions.

Overrides:

reset in class AbstractCalculation

handleMouseAction

public void handleMouseAction(InteractivePanel panel,
                              java.awt.event.MouseEvent evt)

Handles mouse actions by dragging charges and starting field line calculations.

Specified by:

handleMouseAction in interface InteractiveMouseHandler

Parameters:

panel -

evt -

main

public static void main(java.lang.String[] args)

The main method starts the Java application.

Parameters:

args[] - the input parameters