org.das2.qds.demos

Class PlasmaModel

java.lang.Object

org.das2.qds.demos.PlasmaModel

public class PlasmaModel
extends java.lang.Object

Model of plasma distribution function for given density, temperature, speed. A java.util.Random object is passed in so that the data may be reproducible (by using a given starting seed).

Constructor Summary

Constructors

Constructor and Description
PlasmaModel()

Method Summary

Modifier and Type	Method and Description
int	counts(Datum energy, Datum pitch, java.util.Random random) return the counts at this energy and pitch angle, with Poisson noise added to the result.
int	counts(Datum energy, java.util.Random random) return the counts at this energy, assuming an isotropic distribution, and Poisson noise is added to the result.
double	f(Datum energy) return f at the given energy
double	f(Datum energy, Datum pitchAngle)
double	fcounts(Datum energy) return the counts at this energy, assuming an isotropic distribution.
double	fcounts(Datum energy, Datum pitch) return the counts at this energy and pitch angle, without Poisson noise added to the result.
Datum	getDensity() get the model density
Datum	getGeomFactor() get the detector geometry factor
QDataSet	getRank2() return a rank 2 dataset with time as DEPEND_0 and energy as DEPEND_1.
QDataSet	getRank3() return a rank 2 dataset with time as DEPEND_0 and energy as DEPEND_1.
Datum	getWcParl() get the parallel speed.
Datum	getWcPerp() get the perpendicular speed
void	setDensity(Datum density) set the model density
void	setGeomFactor(Datum geom) set the detector geometry factor
void	setWcparl(Datum wcparl) set the parallel speed
void	setWcPerp(Datum wcperp) set the perpendicular speed

Methods inherited from class java.lang.Object

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

Constructor Detail

PlasmaModel

public PlasmaModel()

Method Detail

setDensity

public void setDensity(Datum density)

set the model density

Parameters:

density -

getDensity

public Datum getDensity()

get the model density

Returns:

setWcparl

public void setWcparl(Datum wcparl)

set the parallel speed

Parameters:

wcparl -

getWcParl

public Datum getWcParl()

get the parallel speed.

Returns:

setWcPerp

public void setWcPerp(Datum wcperp)

set the perpendicular speed

Parameters:

wcperp - perpendicular speed

getWcPerp

public Datum getWcPerp()

get the perpendicular speed

Returns:

the perpendicular speed

setGeomFactor

public void setGeomFactor(Datum geom)

set the detector geometry factor

Parameters:

geom - the detector geometry factor

getGeomFactor

public Datum getGeomFactor()

get the detector geometry factor

Returns:

the detector geometry factor

f

public double f(Datum energy)

return f at the given energy

Parameters:

energy -

Returns:

f

public double f(Datum energy,
                Datum pitchAngle)

fcounts

public double fcounts(Datum energy)

return the counts at this energy, assuming an isotropic distribution. No Poisson noise is added to the output.

Parameters:

energy -

Returns:

counts

public int counts(Datum energy,
                  java.util.Random random)

return the counts at this energy, assuming an isotropic distribution, and Poisson noise is added to the result.

Parameters:

energy - in eV

random - source of random numbers.

Returns:

fcounts

public double fcounts(Datum energy,
                      Datum pitch)

return the counts at this energy and pitch angle, without Poisson noise added to the result.

Parameters:

energy -

pitch -

Returns:

the floating point count rate.

counts

public int counts(Datum energy,
                  Datum pitch,
                  java.util.Random random)

return the counts at this energy and pitch angle, with Poisson noise added to the result.

Parameters:

energy -

pitch -

random - random number source

Returns:

the count rate

getRank2

public QDataSet getRank2()

return a rank 2 dataset with time as DEPEND_0 and energy as DEPEND_1.

Returns:

getRank3

public QDataSet getRank3()

return a rank 2 dataset with time as DEPEND_0 and energy as DEPEND_1.

Returns: