PFGeometry Class Reference

General CMS geometry parameters used during Particle Flow reconstruction or drawing. All methods and members are static. More...

#include <PFGeometry.h>

Public Types
enum	Layers_t {   BeamPipe = 0, PS1 = 1, PS2 = 2, ECALBarrel = 3,   ECALEndcap = 4, HCALBarrel = 5, HCALEndcap = 6, HOBarrel = 7,   NPoints = 8 }
enum	Surface_t {   BeamPipeWall = 0, PS1Wall = 1, PS2Wall = 2, ECALInnerWall = 3,   HCALInnerWall = 4, HCALOuterWall = 5, HOInnerWall = 6, HOOuterWall = 7,   NSurfPoints = 8 }

Public Member Functions
float	innerRadius (PFGeometry::Layers_t layer) const
	return inner radius of a given layer More...
float	innerZ (PFGeometry::Layers_t layer) const
	return inner position along z axis of a given layer More...
float	outerRadius (PFGeometry::Layers_t layer) const
	return outer radius of a given layer More...
float	outerZ (PFGeometry::Layers_t layer) const
	return outer position along z axis of a given layer More...
	PFGeometry ()
	constructor More...
float	tanTh (PFGeometry::Surface_t iSurf) const
	return tan(theta) of the cylinder corner More...
virtual	~PFGeometry ()
	destructor More...

Private Attributes
std::vector< float >	innerRadius_
std::vector< float >	innerZ_
std::vector< float >	outerRadius_
std::vector< float >	outerZ_
std::vector< float >	tanTh_

Detailed Description

General CMS geometry parameters used during Particle Flow reconstruction or drawing. All methods and members are static.

Author

Renaud Bruneliere

Date

August 2006

Definition at line 23 of file PFGeometry.h.

Member Enumeration Documentation

enum PFGeometry::Layers_t

Enumerator
BeamPipe
PS1
PS2
ECALBarrel
ECALEndcap
HCALBarrel
HCALEndcap
HOBarrel
NPoints

Definition at line 25 of file PFGeometry.h.

               {
    BeamPipe = 0,
    PS1 = 1,
    PS2 = 2,
    ECALBarrel = 3,
    ECALEndcap = 4,
    HCALBarrel = 5,
    HCALEndcap = 6,
    HOBarrel = 7,
    NPoints = 8
  } Layers_t;

enum PFGeometry::Surface_t

Enumerator
BeamPipeWall
PS1Wall
PS2Wall
ECALInnerWall
HCALInnerWall
HCALOuterWall
HOInnerWall
HOOuterWall
NSurfPoints

Definition at line 37 of file PFGeometry.h.

               {
    BeamPipeWall = 0,
    PS1Wall = 1,
    PS2Wall = 2,
    ECALInnerWall = 3,
    HCALInnerWall = 4,
    HCALOuterWall = 5,
    HOInnerWall = 6,
    HOOuterWall = 7,
    NSurfPoints = 8
  } Surface_t;

Constructor & Destructor Documentation

PFGeometry::PFGeometry

(

)

constructor

Definition at line 7 of file PFGeometry.cc.

References BeamPipe, ECALBarrel, ECALEndcap, HCALBarrel, HCALEndcap, innerRadius_, innerZ_, outerRadius_, outerZ_, PS1, PS2, and tanTh_.

{
  if (innerRadius_.empty()) {
    // All distances are in cm
    // BeamPipe
    innerRadius_.push_back(2.5);
    outerRadius_.push_back(2.5);
    innerZ_.push_back(0.);
    outerZ_.push_back(500.);
    // PS1
    innerRadius_.push_back(45.0);
    outerRadius_.push_back(125.0);
    innerZ_.push_back(303.16);
    outerZ_.push_back(303.16);
    // PS2
    innerRadius_.push_back(45.0);
    outerRadius_.push_back(125.0);
    innerZ_.push_back(307.13);
    outerZ_.push_back(307.13);
    // ECALBarrel
    innerRadius_.push_back(129.0);
    outerRadius_.push_back(175.0);
    innerZ_.push_back(0.);
    outerZ_.push_back(304.5);
    // ECALEndcap
    innerRadius_.push_back(31.6);
    outerRadius_.push_back(171.1);
    innerZ_.push_back(317.0);
    outerZ_.push_back(388.0);
    // HCALBarrel
    innerRadius_.push_back(183.0);
    outerRadius_.push_back(285.0);
    innerZ_.push_back(0.);
    outerZ_.push_back(433.2);
    // HCALEndcap
    innerRadius_.push_back(31.6); // !!! Do not use : Probably wrong !!!    
    outerRadius_.push_back(285.0); // !!! Do not use : Probably wrong !!! 
    innerZ_.push_back(388.0);
    outerZ_.push_back(560.0);

    // HO Barrel
    innerRadius_.push_back(387.6);
    outerRadius_.push_back(410.2);
    innerZ_.push_back(0.);
    outerZ_.push_back(700.25);

    // Define reference surfaces
    tanTh_.push_back(innerRadius_[BeamPipe]/outerZ_[BeamPipe]);
    tanTh_.push_back(outerRadius_[PS1]/outerZ_[PS1]);
    tanTh_.push_back(outerRadius_[PS2]/outerZ_[PS2]);
    tanTh_.push_back(innerRadius_[ECALBarrel]/innerZ_[ECALEndcap]);
    tanTh_.push_back(innerRadius_[HCALBarrel]/innerZ_[HCALEndcap]);
    tanTh_.push_back(outerRadius_[HCALBarrel]/outerZ_[HCALEndcap]);
  }
}

virtual PFGeometry::~PFGeometry ( )

inlinevirtual

destructor

Definition at line 53 of file PFGeometry.h.

{ }

Member Function Documentation

float PFGeometry::innerRadius ( PFGeometry::Layers_t  layer ) const

inline

return inner radius of a given layer

Definition at line 56 of file PFGeometry.h.

References innerRadius_.

    { return innerRadius_[layer]; }

float PFGeometry::innerZ ( PFGeometry::Layers_t  layer ) const

inline

return inner position along z axis of a given layer

Definition at line 64 of file PFGeometry.h.

References innerZ_.

    { return innerZ_[layer]; }

float PFGeometry::outerRadius ( PFGeometry::Layers_t  layer ) const

inline

return outer radius of a given layer

Definition at line 60 of file PFGeometry.h.

References outerRadius_.

Referenced by PFTrackTransformer::addPoints(), and PFTrackTransformer::addPointsAndBrems().

    { return outerRadius_[layer]; }

float PFGeometry::outerZ ( PFGeometry::Layers_t  layer ) const

inline

return outer position along z axis of a given layer

Definition at line 68 of file PFGeometry.h.

References outerZ_.

Referenced by PFTrackTransformer::addPoints(), and PFTrackTransformer::addPointsAndBrems().

    { return outerZ_[layer]; }

float PFGeometry::tanTh ( PFGeometry::Surface_t  iSurf ) const

inline

return tan(theta) of the cylinder corner

Definition at line 72 of file PFGeometry.h.

References tanTh_.

  { return tanTh_[unsigned(iSurf)]; }

Member Data Documentation

std::vector< float > PFGeometry::innerRadius_

private

Definition at line 76 of file PFGeometry.h.

Referenced by innerRadius(), and PFGeometry().

std::vector< float > PFGeometry::innerZ_

private

Definition at line 78 of file PFGeometry.h.

Referenced by innerZ(), and PFGeometry().

std::vector< float > PFGeometry::outerRadius_

private

Definition at line 77 of file PFGeometry.h.

Referenced by outerRadius(), and PFGeometry().

std::vector< float > PFGeometry::outerZ_

private

Definition at line 79 of file PFGeometry.h.

Referenced by outerZ(), and PFGeometry().

std::vector< float > PFGeometry::tanTh_

private

Definition at line 80 of file PFGeometry.h.

Referenced by PFGeometry(), and tanTh().