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L1MuGMTPhiProjectionUnit Class Reference

L1 Global Muon Trigger Phi projection unit. More...

#include <L1Trigger/GlobalMuonTrigger/src/L1MuGMTPhiProjectionUnit.h>

List of all members.

Public Member Functions

int id () const
 return identifier
bool isSelected (int idx) const
 return phi select bit (idx: 0..17)
 L1MuGMTPhiProjectionUnit (const L1MuGMTMipIsoAU &miau, int id)
 constructor
void print () const
 print results after phi projection
void reset ()
 clear phi projection unit
void run ()
 run phi projection unit
virtual ~L1MuGMTPhiProjectionUnit ()
 destructor

Private Types

typedef std::bitset< 18 > TPhiBits

Private Member Functions

void load ()

Private Attributes

float m_fphi
int m_id
int m_iphi
const L1MuGMTMipIsoAU & m_MIAU
const L1MuRegionalCand * m_mu
TPhiBits m_phi_select

Detailed Description

L1 Global Muon Trigger Phi projection unit.

Projects a muon from the muon system to the calorimeter or vertex and selects one or more calorimeter regions in phi to be checked for MIP and Isolation.

Definition at line 55 of file L1MuGMTPhiProjectionUnit.h.

Member Typedef Documentation

typedef std::bitset<18> L1MuGMTPhiProjectionUnit::TPhiBits [private]

Definition at line 85 of file L1MuGMTPhiProjectionUnit.h.

Constructor & Destructor Documentation

L1MuGMTPhiProjectionUnit::L1MuGMTPhiProjectionUnit ( const L1MuGMTMipIsoAU &  miau,
int  id 
)

constructor

Definition at line 56 of file L1MuGMTPhiProjectionUnit.cc.

00056                                                                                       : 
00057   m_MIAU(miau), m_id(id), m_mu(0) {
00058 }

L1MuGMTPhiProjectionUnit::~L1MuGMTPhiProjectionUnit (  )  [virtual]

destructor

Definition at line 63 of file L1MuGMTPhiProjectionUnit.cc.

References reset().

00063                                                     { 
00064 
00065   reset();
00066   
00067 }

Member Function Documentation

int L1MuGMTPhiProjectionUnit::id ( void   )  const [inline]

return identifier

Definition at line 75 of file L1MuGMTPhiProjectionUnit.h.

References m_id.

00075 { return m_id; }

bool L1MuGMTPhiProjectionUnit::isSelected ( int  idx  )  const [inline]

return phi select bit (idx: 0..17)

Definition at line 78 of file L1MuGMTPhiProjectionUnit.h.

References m_phi_select.

00078 { return m_phi_select[idx]; }

void L1MuGMTPhiProjectionUnit::load ( void   )  [private]

Definition at line 153 of file L1MuGMTPhiProjectionUnit.cc.

References m_id, m_MIAU, m_mu, and L1MuGMTMipIsoAU::muon().

Referenced by run().

00153                                     {
00154 
00155   // retrieve muon from MIP & ISO bit assignment unit   
00156   m_mu = m_MIAU.muon( m_id % 8 );
00157 }

void L1MuGMTPhiProjectionUnit::print ( void   )  const

print results after phi projection

Definition at line 140 of file L1MuGMTPhiProjectionUnit.cc.

References i, and m_phi_select.

00140                                            {
00141 
00142   edm::LogVerbatim("GMT_PhiProjection_info") << "Phi select bits: ";
00143   for ( int i=0; i<18; i++ ) {
00144     edm::LogVerbatim("GMT_PhiProjection_info") << m_phi_select[i] << "  ";
00145   }
00146   edm::LogVerbatim("GMT_PhiProjection_info") << " ";
00147 }

void L1MuGMTPhiProjectionUnit::reset ( void   ) 

clear phi projection unit

Definition at line 128 of file L1MuGMTPhiProjectionUnit.cc.

References int, m_fphi, m_iphi, m_mu, and m_phi_select.

Referenced by ~L1MuGMTPhiProjectionUnit().

00128                                      {
00129 
00130   m_mu = 0;
00131   m_iphi = 0;
00132   m_fphi = 0.;
00133   m_phi_select = (unsigned int) 0;
00134 }

void L1MuGMTPhiProjectionUnit::run ( void   ) 

run phi projection unit

Definition at line 76 of file L1MuGMTPhiProjectionUnit.cc.

References L1MuRegionalCand::charge_packed(), L1MuGlobalMuonTrigger::DebugBlockForFill(), L1MuRegionalCand::empty(), eta, L1MuRegionalCand::eta_packed(), L1MuGMTConfig::getMIAUEtaConvLUT(), L1MuGMTConfig::getMIAUPhiPro1LUT(), L1MuGMTConfig::getMIAUPhiPro2LUT(), L1MuGMTMipIsoAU::GMT(), i, load(), m_id, m_MIAU, m_mu, m_phi_select, phi, L1MuRegionalCand::phi_packed(), L1MuRegionalCand::pt_packed(), L1MuGMTDebugBlock::SetPhiSelBits(), L1MuGMTMIAUPhiPro1LUT::SpecificLookup_cphi_fine(), L1MuGMTMIAUPhiPro1LUT::SpecificLookup_cphi_ofs(), L1MuGMTMIAUEtaConvLUT::SpecificLookup_eta_out(), and L1MuGMTMIAUPhiPro2LUT::SpecificLookup_phi_sel().

00076                                    {
00077 
00078   load();
00079   if (m_mu && ( !m_mu->empty() ) ) {
00080     int lut_id = m_id / 4;
00081 
00082     // obtain inputs as coded in HW
00083     unsigned pt  = m_mu->pt_packed();
00084     unsigned charge  = m_mu->charge_packed();
00085     unsigned eta = m_mu->eta_packed();
00086     unsigned phi = m_mu->phi_packed();
00087 
00088     // split phi in fine and coarse
00089     unsigned phi_fine = phi & ( (1<<3) - 1 ); // lower 3 bits
00090     unsigned phi_coarse = phi >> 3; // upper 5 bits
00091 
00092     // eta conversion lookup
00093     L1MuGMTMIAUEtaConvLUT* etaconv_lut = L1MuGMTConfig::getMIAUEtaConvLUT();
00094     unsigned eta4bit = etaconv_lut->SpecificLookup_eta_out (lut_id, eta);
00095     
00096     // phi projection 1 lookups
00097     L1MuGMTMIAUPhiPro1LUT* phipro1_lut = L1MuGMTConfig::getMIAUPhiPro1LUT();
00098     unsigned cphi_fine = phipro1_lut->SpecificLookup_cphi_fine (lut_id, phi_fine, eta4bit, pt, charge);
00099     unsigned cphi_ofs  = phipro1_lut->SpecificLookup_cphi_ofs  (lut_id, phi_fine, eta4bit, pt, charge);
00100 
00101     // phi projection 2 lookup
00102     L1MuGMTMIAUPhiPro2LUT* phipro2_lut = L1MuGMTConfig::getMIAUPhiPro2LUT();
00103     unsigned phi_sel_bits = phipro2_lut->SpecificLookup_phi_sel (lut_id, phi_coarse, cphi_fine, cphi_ofs, charge);
00104 
00105     // convert to bit array
00106     //
00107     // see comments in L1MuGMTMIAUEtaProLUT.cc
00108     //
00109     m_phi_select = (unsigned) 0;
00110     
00111     //  shift by 9 bits  //FIXME: fix when calo delivers the MIP bits correctly!
00112     for (unsigned int i=0; i<9; i++)
00113       if ( (phi_sel_bits & (1 << i))  == (unsigned) (1<<i))
00114         m_phi_select[i+9] = 1;
00115     
00116     for (unsigned int i=9; i<18; i++)
00117       if ( (phi_sel_bits & (1 << i))  == (unsigned) (1<<i))
00118         m_phi_select[i-9] = 1;
00119     
00120     m_MIAU.GMT().DebugBlockForFill()->SetPhiSelBits( m_id, m_phi_select.to_ulong()) ;
00121   }
00122 }

Member Data Documentation

float L1MuGMTPhiProjectionUnit::m_fphi [private]

Definition at line 95 of file L1MuGMTPhiProjectionUnit.h.

Referenced by reset().

int L1MuGMTPhiProjectionUnit::m_id [private]

Definition at line 90 of file L1MuGMTPhiProjectionUnit.h.

Referenced by id(), load(), and run().

int L1MuGMTPhiProjectionUnit::m_iphi [private]

Definition at line 94 of file L1MuGMTPhiProjectionUnit.h.

Referenced by reset().

const L1MuGMTMipIsoAU& L1MuGMTPhiProjectionUnit::m_MIAU [private]

Definition at line 87 of file L1MuGMTPhiProjectionUnit.h.

Referenced by load(), and run().

const L1MuRegionalCand* L1MuGMTPhiProjectionUnit::m_mu [private]

Definition at line 92 of file L1MuGMTPhiProjectionUnit.h.

Referenced by load(), reset(), and run().

TPhiBits L1MuGMTPhiProjectionUnit::m_phi_select [private]

Definition at line 97 of file L1MuGMTPhiProjectionUnit.h.

Referenced by isSelected(), print(), reset(), and run().

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