Implementation of the JScatteringModel interface with isotropic scattering. More...

#include <JScatteringModel.hh>

Inheritance diagram for JMARKOV::JIsotropicScattering:

Public Member Functions
	JIsotropicScattering (double _lambda_scat)
	Constructor. More...

double	getScatteringProbability (double ct)
	Return the probability density as a function of cos(theta) More...

JVersor3D	generateDirection ()
	Return a randomly generated direction according to the scattering probability distribution. More...

virtual double	getScatteringLength ()

Protected Attributes
double	lambda_scat

Detailed Description

Implementation of the JScatteringModel interface with isotropic scattering.

Definition at line 447 of file JScatteringModel.hh.

Constructor & Destructor Documentation

JMARKOV::JIsotropicScattering::JIsotropicScattering ( double _lambda_scat )

inline

Constructor.

Definition at line 454 of file JScatteringModel.hh.

                                                 {
       lambda_scat  = _lambda_scat ;
     }

Member Function Documentation

double JMARKOV::JIsotropicScattering::getScatteringProbability ( double ct )

inlinevirtual

Return the probability density as a function of cos(theta)

dP / dOmega = dP / dcosTheta dPhi

to scatter in a given direction. Theta=0 is forward scattering.

Implements JMARKOV::JScatteringModel.

Definition at line 458 of file JScatteringModel.hh.

                                                  {
       return 1.0/(4.0*M_PI) ;
     }

JVersor3D JMARKOV::JIsotropicScattering::generateDirection ( )

inlinevirtual

Return a randomly generated direction according to the scattering probability distribution.

This uses gRandom.

Implements JMARKOV::JScatteringModel.

Definition at line 462 of file JScatteringModel.hh.

                                   {
       double phi = gRandom->Uniform(0,2*M_PI) ;
       double ct  = gRandom->Uniform(-1,1) ;
       return JDirection3D( JAngle3D( acos(ct),phi) ) ;
     }