genie::geometry::PointGeomAnalyzer Class Reference

The PointGeomAnalyzer class is the simplest implementation of the GeomAnalyserI interface and defines a simple 'point-like' geometry. More...

#include <PointGeomAnalyzer.h>

Inheritance diagram for genie::geometry::PointGeomAnalyzer:

Public Member Functions
	PointGeomAnalyzer (int tgtpdgc)
	PointGeomAnalyzer (unsigned int n, const int tgt_pdg[], const double weight[])
	PointGeomAnalyzer (const map< int, double > &tgtmap)
	~PointGeomAnalyzer ()
const PDGCodeList &	ListOfTargetNuclei (void)
const PathLengthList &	ComputeMaxPathLengths (void)
const PathLengthList &	ComputePathLengths (const TLorentzVector &x, const TLorentzVector &p)
const TVector3 &	GenerateVertex (const TLorentzVector &x, const TLorentzVector &p, int tgtpdg)
Public Member Functions inherited from genie::GeomAnalyzerI
virtual	~GeomAnalyzerI ()

Private Member Functions
void	Initialize (const map< int, double > &tgtmap)
void	CleanUp (void)

Private Attributes
TVector3 *	fCurrVertex
	current generated vertex More...
PathLengthList *	fCurrPathLengthList
	current list of path-lengths More...
PDGCodeList *	fCurrPDGCodeList
	current list of target nuclei More...

Additional Inherited Members
Protected Member Functions inherited from genie::GeomAnalyzerI
	GeomAnalyzerI ()

Detailed Description

The PointGeomAnalyzer class is the simplest implementation of the GeomAnalyserI interface and defines a simple 'point-like' geometry.

Use this geometry analyzer to generate events when you do not want to use a detailed GEANT/ROOT geometry description but you only need to generate events for a 'single' nuclear target while you still want to use the GENIE MC job driver 'loaded' with a GENIE flux driver. The geometry can also support a mix of targets, each with its corresponding weight.

Author

Costas Andreopoulos <constantinos.andreopoulos cern.ch> University of Liverpool & STFC Rutherford Appleton Laboratory

July 14, 2005

Copyright (c) 2003-2020, The GENIE Collaboration For the full text of the license visit http://copyright.genie-mc.org

Definition at line 38 of file PointGeomAnalyzer.h.

Constructor & Destructor Documentation

PointGeomAnalyzer::PointGeomAnalyzer

(

int

tgtpdgc

)

Definition at line 33 of file PointGeomAnalyzer.cxx.

                                            :
GeomAnalyzerI()
{
  map<int,double> tgtmap;
  tgtmap.insert( map<int, double>::value_type(pdg, 1.) );

  this->Initialize(tgtmap);
}

PointGeomAnalyzer::PointGeomAnalyzer	(	unsigned int	n,
		const int	tgt_pdg[],
		const double	weight[]
	)

Definition at line 42 of file PointGeomAnalyzer.cxx.

                                                                       :
GeomAnalyzerI()
{
  map<int,double> tgtmap;
  for(unsigned int i=0; i<n; i++) 
     tgtmap.insert( map<int, double>::value_type(tgtpdgc[i], weight[i]) );

  this->Initialize(tgtmap);
}

PointGeomAnalyzer::PointGeomAnalyzer

(

const map< int, double > &

tgtmap

)

Definition at line 53 of file PointGeomAnalyzer.cxx.

                                                                   :
GeomAnalyzerI()
{
  this->Initialize(tgtmap);
}

PointGeomAnalyzer::~PointGeomAnalyzer

(

)

Definition at line 59 of file PointGeomAnalyzer.cxx.

{
  this->CleanUp();
}

Member Function Documentation

void PointGeomAnalyzer::CleanUp ( void  )

private

Definition at line 116 of file PointGeomAnalyzer.cxx.

{
  if( fCurrVertex )         delete fCurrVertex;
  if( fCurrPathLengthList ) delete fCurrPathLengthList;
  if( fCurrPDGCodeList    ) delete fCurrPDGCodeList;
}

const PathLengthList & PointGeomAnalyzer::ComputeMaxPathLengths ( void  )

virtual

Implements genie::GeomAnalyzerI.

Definition at line 72 of file PointGeomAnalyzer.cxx.

{
// this is irrelevant for the 'point' geometry - return a path length of 1.
// for the only defined material

  return *fCurrPathLengthList;
}

const PathLengthList & PointGeomAnalyzer::ComputePathLengths ( const TLorentzVector &  x, const TLorentzVector &  p  )

virtual

Implements genie::GeomAnalyzerI.

Definition at line 80 of file PointGeomAnalyzer.cxx.

{
// this is irrelevant for the 'point' geometry - return a path length of 1.
// for the only defined material

  return *fCurrPathLengthList;
}

const TVector3 & PointGeomAnalyzer::GenerateVertex ( const TLorentzVector &  x, const TLorentzVector &  p, int  tgtpdg  )

virtual

Implements genie::GeomAnalyzerI.

Definition at line 89 of file PointGeomAnalyzer.cxx.

{
// this is irrelevant for the 'point' geometry - return a vtx at (0,0,0)

  return *fCurrVertex;
}

void PointGeomAnalyzer::Initialize ( const map< int, double > &  tgtmap )

private

Definition at line 97 of file PointGeomAnalyzer.cxx.

{
  fCurrVertex = new TVector3(0,0,0);

  fCurrPDGCodeList = new PDGCodeList;
  fCurrPDGCodeList->clear();

  map<int,double>::const_iterator iter;
  for(iter = tgtmap.begin(); iter != tgtmap.end(); ++iter) {
        int tgtpdgc = iter->first;
        fCurrPDGCodeList->push_back(tgtpdgc);
  }

  fCurrPathLengthList = new PathLengthList(tgtmap);

  LOG("PointGeom", pNOTICE) << *fCurrPDGCodeList;
  LOG("PointGeom", pNOTICE) << *fCurrPathLengthList;
}

const PDGCodeList & PointGeomAnalyzer::ListOfTargetNuclei ( void  )

virtual

Implements genie::GeomAnalyzerI.

Definition at line 64 of file PointGeomAnalyzer.cxx.

{
// pdg code list contains a single code corresponding to the material passed
// at the geom analyser ctor

  return *fCurrPDGCodeList;
}

Member Data Documentation

PathLengthList* genie::geometry::PointGeomAnalyzer::fCurrPathLengthList

private

current list of path-lengths

Definition at line 63 of file PointGeomAnalyzer.h.

PDGCodeList* genie::geometry::PointGeomAnalyzer::fCurrPDGCodeList

private

current list of target nuclei

Definition at line 64 of file PointGeomAnalyzer.h.

TVector3* genie::geometry::PointGeomAnalyzer::fCurrVertex

private

current generated vertex

Definition at line 62 of file PointGeomAnalyzer.h.

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The documentation for this class was generated from the following files:

• Generator/src/Tools/Geometry/PointGeomAnalyzer.h
• Generator/src/Tools/Geometry/PointGeomAnalyzer.cxx