optics
Class GaussianSpectrum

java.lang.Object
  optics.Optics
      optics.WaveLengthFunction
          optics.WaveLengthSpectrum
              optics.ConstantSpectrum
                  optics.GaussianSpectrum

Direct Known Subclasses:

PhotopicSpectrum, ScotopicSpectrum

public class GaussianSpectrum
extends ConstantSpectrum

Class to implement an Gaussian spectral response with specified peak and width.

Field Summary

protected double	peak Location of the peak in microns
protected double	width Width of Gaussian, being exp(-1) intensity point.

Fields inherited from class optics.ConstantSpectrum

brightness

Fields inherited from class optics.WaveLengthFunction

maxPlotLambda, minPlotLambda, plotPoints

Fields inherited from class optics.Optics

DEFAULT_WAVELENGTH, errorStream, fmt, MICRONS, version

Constructor Summary

GaussianSpectrum(double peak, double width)
Form a GaussianSpectrum with specified peak wavelength and and width with defaults unit brightness.

GaussianSpectrum(double b, double peak, double width)
Form a GaussianSpectrum with specified brightness, peak wavelength and width.

GaussianSpectrum(GaussianSpectrum s)
Form a GaussianSpectrum with paramter from speficied GaussianSpectrum.

Method Summary

GaussianSpectrum	clone() Methed to clone the current GuassianSpectrum
double	getIntensity(double lambda) Method to return intensity at a specified wavelength
void	setGaussian(double pk, double w) Method to set the peak and width.
String	toString() Public toString method to report type and information

Methods inherited from class optics.ConstantSpectrum

setBrightness

Methods inherited from class optics.WaveLengthSpectrum

getValue

Methods inherited from class optics.WaveLengthFunction

getPlot, getPlotPoints, setPlot, 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

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

Field Detail

peak

protected double peak

Location of the peak in microns

width

protected double width

Width of Gaussian, being exp(-1) intensity point.

Constructor Detail

GaussianSpectrum

public GaussianSpectrum(double b,
                        double peak,
                        double width)

Form a GaussianSpectrum with specified brightness, peak wavelength and width.

Parameters:

b - brightness.

peak - peak wavelength in microns

width - width specified by exp(-1) point in microns.

GaussianSpectrum

public GaussianSpectrum(double peak,
                        double width)

Form a GaussianSpectrum with specified peak wavelength and and width with defaults unit brightness.

Parameters:

peak - peak wavelength in microns

width - width specified by exp(-1) point in microns.

GaussianSpectrum

public GaussianSpectrum(GaussianSpectrum s)

Form a GaussianSpectrum with paramter from speficied GaussianSpectrum.

Parameters:

s - the spectrum.

Method Detail

clone

public GaussianSpectrum clone()

Methed to clone the current GuassianSpectrum

Overrides:

clone in class ConstantSpectrum

Returns:

GaussianSpectrum clone of current.

setGaussian

public void setGaussian(double pk,
                        double w)

Method to set the peak and width.

Parameters:

pk - the peak in microns.

w - the width specified by exp(-1) point in microns.

getIntensity

public double getIntensity(double lambda)

Method to return intensity at a specified wavelength

Overrides:

getIntensity in class ConstantSpectrum

Parameters:

lambda - the wavelength in microns.

Returns:

double the intensity.

toString

public String toString()

Public toString method to report type and information

Overrides:

toString in class ConstantSpectrum

Returns:

String informative String.