simulations.experiments.electrostatics
Class ColorTestExperiment

java.lang.Object
  simulations.experiments.BaseExperiment
      simulations.experiments.electrostatics.ColorTestExperiment

public class ColorTestExperiment

extends BaseExperiment

Color Test exeriment with a simple field

Version:

1.0

Author:

John Belcher

Nested Class Summary

private class

ColorTestExperiment.Motion The equation of motion governing the evolution of the system

Field Summary

private double	ACT The value at the origin of the color test field
private double	BCT The slope of the color test field
private EMCollection	collection
private ColorTestField	ctf The first charge, which moves
private ColorTestExperiment.Motion	equations The equation of motion for the system (just Coulomb repulsion)
private RungeKuttaIntegration	integrator The integrator used to evolve the system
private double	t The time t

Fields inherited from class simulations.experiments.BaseExperiment

eps, FieldMotionType, FieldType, FluidFlowSpeed, Fnorm, Fpower, numberSmallSteps

Constructor Summary

ColorTestExperiment(double ACT, double BCT)
Constructs the color test field

Method Summary

void	ConstructEMSource() Construct the EMColletion object
void	Evolve(double dt) Evolves the experiment by a time step "dt" using an RK4 integrator by taking numberSmallSteps between t and t + dt, for accuracy.
void	Evolve(double dt, double maxStep) Evolves the experiment a time step dt
BaseObject	getEMSource() Returns the BaseObject that is colortest field alone
double	getFlowSpeed(Vec3 r, Vec RegionFlow) Method to find the flow speed in a given region when we are determining that speed according to region.
double	getFlowSpeed(Vec3 r, Vec RegionFlow, Vec RegionParameter)
double	getHue(double TargetHue, Vec2 xpos, Vec RegionColor, Vec RegionParameter)
double	getHue(double TargetHue, Vec3 r, Vec RegionColor) Method to find the hue in a given region when we are coloring according to region (Color Mode 4).

Methods inherited from class java.lang.Object

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

Field Detail

ACT

private double ACT

The value at the origin of the color test field

BCT

private double BCT

The slope of the color test field

t

private double t

The time t

ctf

private ColorTestField ctf

The first charge, which moves

collection

private EMCollection collection

equations

private ColorTestExperiment.Motion equations

The equation of motion for the system (just Coulomb repulsion)

integrator

private RungeKuttaIntegration integrator

The integrator used to evolve the system

Constructor Detail

ColorTestExperiment

public ColorTestExperiment(double ACT,
                           double BCT)

Constructs the color test field

Parameters:

ACT - the value of the z component of the field at the origin

BCT - the slope of the z component of the field

Method Detail

ConstructEMSource

public void ConstructEMSource()

Construct the EMColletion object

Specified by:

ConstructEMSource in class BaseExperiment

getEMSource

public BaseObject getEMSource()

Returns the BaseObject that is colortest field alone

Specified by:

getEMSource in class BaseExperiment

Evolve

public void Evolve(double dt,
                   double maxStep)

Evolves the experiment a time step dt

getHue

public double getHue(double TargetHue,
                     Vec2 xpos,
                     Vec RegionColor,
                     Vec RegionParameter)

getFlowSpeed

public double getFlowSpeed(Vec3 r,
                           Vec RegionFlow,
                           Vec RegionParameter)

Evolve

public void Evolve(double dt)

Evolves the experiment by a time step "dt" using an RK4 integrator by taking numberSmallSteps between t and t + dt, for accuracy.

Specified by:

Evolve in class BaseExperiment

getHue

public double getHue(double TargetHue,
                     Vec3 r,
                     Vec RegionColor)

Method to find the hue in a given region when we are coloring according to region (Color Mode 4).

Specified by:

getHue in class BaseExperiment

Parameters:

TargetHue - This is the target hue from the renderer.

r - This is the vector postion of the point in the image.

RegionColor - This is the varous hues for the regions.

Returns:

The hue for the part of the image map at r.

getFlowSpeed

public double getFlowSpeed(Vec3 r,
                           Vec RegionFlow)

Method to find the flow speed in a given region when we are determining that speed according to region. This method is used when we have set experiment.FieldMotionType to one of either Constants.FIELD_MOTION_VREFIELD or Constants.FIELD_MOTION_VRBFIELD.

Specified by:

getFlowSpeed in class BaseExperiment

Parameters:

r - This is the vector postion of the point in the image.

RegionFlow - This is the flow speeds for the regions.

Returns:

The flow speed for the part of the image map at r.