Geometrical and topological information on RP silicon detector. Uses coordinate a frame with origin in the center of the wafer. More...

#include <RPTopology.h>

Inheritance diagram for RPTopology:

Public Member Functions
double	DetEdgeLength () const

double	DetPitch () const

unsigned short	DetStripNo () const

double	DetThickness () const

double	DetXWidth () const

double	DetYWidth () const

double	GetHitPositionInReadoutDirection (double strip_no) const

const HepMC::ThreeVector &	GetNormalDirection () const

const HepMC::ThreeVector &	GetStripDirection () const

const HepMC::ThreeVector &	GetStripReadoutAxisDir () const

	RPTopology ()

Static Public Member Functions
static bool	IsHit (double u, double v, double insensitiveMargin=0)

Public Attributes
HepMC::ThreeVector	normal_direction_

HepMC::ThreeVector	strip_direction_

HepMC::ThreeVector	strip_readout_direction_

Static Public Attributes
static const double	last_strip_to_border_dist_ = 1.4175

static const double	last_strip_to_center_dist_ = RPTopology::x_width_/2. - RPTopology::last_strip_to_border_dist_

static const unsigned short	no_of_strips_ = 512

static const double	phys_edge_lenght_ = 22.276

static const double	pitch_ = 66E-3

static const double	sqrt_2 = std::sqrt(2.0)

static const double	thickness_ = 0.3

static const double	x_width_ = 36.07

static const double	y_width_ = 36.07

Detailed Description

Geometrical and topological information on RP silicon detector. Uses coordinate a frame with origin in the center of the wafer.

Definition at line 29 of file RPTopology.h.

Constructor & Destructor Documentation

RPTopology::RPTopology ( )

Definition at line 27 of file RPTopology.cc.

  : strip_readout_direction_(0, 1, 0),
    strip_direction_(1,0,0),
    normal_direction_(0,0,1)
 {
 }

Member Function Documentation

double RPTopology::DetEdgeLength ( ) const

inline

Definition at line 46 of file RPTopology.h.

46 {return phys_edge_lenght_;}

RPTopology::phys_edge_lenght_

static const double phys_edge_lenght_

Definition: RPTopology.h:63

double RPTopology::DetPitch ( ) const

inline

Definition at line 48 of file RPTopology.h.

48 {return pitch_;}

RPTopology::pitch_

static const double pitch_

Definition: RPTopology.h:58

unsigned short RPTopology::DetStripNo ( ) const

inline

Definition at line 49 of file RPTopology.h.

References findQualityFiles::v.

49 {return no_of_strips_;}

RPTopology::no_of_strips_

static const unsigned short no_of_strips_

Definition: RPTopology.h:60

double RPTopology::DetThickness ( ) const

inline

Definition at line 47 of file RPTopology.h.

47 {return thickness_;}

RPTopology::thickness_

static const double thickness_

Definition: RPTopology.h:59

double RPTopology::DetXWidth ( ) const

inline

Definition at line 44 of file RPTopology.h.

44 {return x_width_;}

RPTopology::x_width_

static const double x_width_

Definition: RPTopology.h:61

double RPTopology::DetYWidth ( ) const

inline

Definition at line 45 of file RPTopology.h.

45 {return y_width_;}

RPTopology::y_width_

static const double y_width_

Definition: RPTopology.h:62

double RPTopology::GetHitPositionInReadoutDirection ( double strip_no ) const

inline

method converts strip number to a hit position [mm] in det readout coordinate in the origin in the middle of the si detector strip_no is assumed in the range 0 ... no_of_strips_ - 1

Definition at line 40 of file RPTopology.h.

Referenced by TotemRPRecHitProducerAlgorithm::buildRecoHits().

42 {return last_strip_to_border_dist_ + (no_of_strips_-1)*pitch_ - y_width_/2. - strip_no * pitch_;}

RPTopology::no_of_strips_

static const unsigned short no_of_strips_

Definition: RPTopology.h:60

RPTopology::y_width_

static const double y_width_

Definition: RPTopology.h:62

RPTopology::last_strip_to_border_dist_

static const double last_strip_to_border_dist_

Definition: RPTopology.h:64

RPTopology::pitch_

static const double pitch_

Definition: RPTopology.h:58

const HepMC::ThreeVector& RPTopology::GetNormalDirection ( ) const

inline

Definition at line 35 of file RPTopology.h.

35 {return normal_direction_;}

RPTopology::normal_direction_

HepMC::ThreeVector normal_direction_

Definition: RPTopology.h:69

const HepMC::ThreeVector& RPTopology::GetStripDirection ( ) const

inline

Definition at line 34 of file RPTopology.h.

34 {return strip_direction_;}

RPTopology::strip_direction_

HepMC::ThreeVector strip_direction_

Definition: RPTopology.h:68

const HepMC::ThreeVector& RPTopology::GetStripReadoutAxisDir ( ) const

inline

Definition at line 33 of file RPTopology.h.

33 {return strip_readout_direction_;}

RPTopology::strip_readout_direction_

HepMC::ThreeVector strip_readout_direction_

Definition: RPTopology.h:67

bool RPTopology::IsHit	(	double	u,
		double	v,
		double	insensitiveMargin = `0`
	)

static

returns true if hit at coordinates u, v (in mm) falls into the sensitive area can take into account insensitive margin (in mm) at the beam-facing edge

Definition at line 36 of file RPTopology.cc.

References last_strip_to_center_dist_, phys_edge_lenght_, sqrt_2, findQualityFiles::v, x_width_, and y.

Referenced by CTPPSDirectProtonSimulation::processProton().

 {
   // assumes square shape
 
   if (fabs(u) > last_strip_to_center_dist_)
     return false;
 
   if (fabs(v) > last_strip_to_center_dist_)
     return false;
 
   double y = (u + v) / sqrt_2;
   double edge_to_ceter_dist = (x_width_ - phys_edge_lenght_ / sqrt_2) / sqrt_2 - insensitiveMargin;
   if (y < -edge_to_ceter_dist)
     return false;
 
   return true;
 }