optics
Class PlankSpectrum

java.lang.Object
  optics.Optics
      optics.WaveLengthFunction
          optics.WaveLengthSpectrum
              optics.PlankSpectrum

public class PlankSpectrum
extends WaveLengthSpectrum

Class to implement Plank Spectral response specified by temperature and constant emissitivity.

Field Summary

protected double	emissivity The emisivity
protected double	temperature The temperature in Kelvin

Fields inherited from class optics.WaveLengthFunction

maxPlotLambda, minPlotLambda, plotPoints

Fields inherited from class optics.Optics

DEFAULT_WAVELENGTH, errorStream, fmt, MICRONS

Constructor Summary

PlankSpectrum()
Form a PlankSpectrum with default temperature of 3,000 K and emisivity of 1.0.

PlankSpectrum(double t)
Form a PlankSpectrum with specfied temperature and emisivity of 1.0.

PlankSpectrum(double t, double e)
Form a PlankSpectrum with specfied temperature and emisivity.

Method Summary

double	getIntensity(double lambda) Method Get the intensity at a specified wavelength.
void	setEmissivity(double e) Method to set emissivity
void	setTemperature(double t) Method to set the temperature.
java.lang.String	toString() Method to return default toString()

Methods inherited from class optics.WaveLengthSpectrum

getValue

Methods inherited from class optics.WaveLengthFunction

getPlot, getPlotPoints, setPlotPoints, setPlotRange, setPlotRange, toGraph, toPlot, toPlot, toPlot

Methods inherited from class optics.Optics

getDefaultWaveLength, getErrorStream, getFormatString, getName, getStaticName, getVersion, printError, setDefaultWaveLength, setErrorStream, setFormatString, setMicrons

Methods inherited from class java.lang.Object

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

Field Detail

temperature

protected double temperature

The temperature in Kelvin

emissivity

protected double emissivity

The emisivity

Constructor Detail

PlankSpectrum

public PlankSpectrum()

Form a PlankSpectrum with default temperature of 3,000 K and emisivity of 1.0.

PlankSpectrum

public PlankSpectrum(double t)

Form a PlankSpectrum with specfied temperature and emisivity of 1.0.

Parameters:

t - temperature in Kelvin.

PlankSpectrum

public PlankSpectrum(double t,
                     double e)

Form a PlankSpectrum with specfied temperature and emisivity.

Parameters:

t - temperature in degrees Kelvin

e - emissivity

Method Detail

toString

public java.lang.String toString()

Method to return default toString()

Overrides:

toString in class java.lang.Object

Returns:

String informative String.

setTemperature

public void setTemperature(double t)

Method to set the temperature.

Parameters:

t - the temperature in Kelvin

setEmissivity

public void setEmissivity(double e)

Method to set emissivity

Parameters:

e - the temperature

getIntensity

public double getIntensity(double lambda)

Method Get the intensity at a specified wavelength.

Specified by:

getIntensity in class WaveLengthSpectrum

Parameters:

lambda - wavelength in microns

Returns:

double the intensity.