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

◆ Layers_t

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;

◆ Surface_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::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]);
   }
 }