BOSS_7.0.2: /home/bes3soft/bes3soft/Boss/7.0.2/dist/7.0.2/Reconstruction/MdcFastTrkAlg/MdcFastTrkAlg-00-04-09/src/MdcParameter.cxx Source File

00001 #include "MdcFastTrkAlg/MdcParameter.h"
00002 #include "GaudiKernel/Bootstrap.h"
00003 
00004 MdcParameter* MdcParameter::s_paramInstance = 0;
00005 
00006 MdcParameter* MdcParameter::instance() {
00007         //return a pointer to an exclusive instance of MdcParameter
00008         if (!s_paramInstance) s_paramInstance = new MdcParameter();
00009         return s_paramInstance;
00010 }
00011 
00012 MdcParameter::MdcParameter():
00013         _findEventVertex(1),
00014         _evtTimeCorr(1),
00015         _minPt(0.07), // minPt cut on r_phiFit
00016         _minDr(7.5), //dr cut on r_phiFit
00017         _t0OffSet(0.),
00018         _xtCoEff(0.0344), // approx. quadric relation between drift distance and time
00019         _doIt(1),
00020         _mkMdst(true),
00021         _mkTds(true),
00022         _alpha(333.564095),  //1.0Tesla
00023         _mfield(-0.0010),
00024 
00025         //control parameter in r-phi segment linking
00026         _chi2_kappa(4000.),  //
00027         _Min_chi2(5000.),    // (chi2-chi2_kappa) < Min_chi2 in track2D finding
00028         _deltaPhi(31.82*M_PI/180),  // seems not used
00029 
00030         _D_phi1(6.53*M_PI/180), // linkAxialSegments_2_34
00031         _D_phi2(4.45*M_PI/180.),// linkAxialSegments_3_4
00032         _D_phi3(3.08*M_PI/180.),// linkAxialSegments_9_10
00033         _chi2_1(0.039*3),  // linkAxialSegments_2_34
00034         _chi2_2(0.039*3), // linkAxialSegments_3_4
00035         _chi2_3(0.039*3), // linkAxialSegments_9_10
00036 
00037         _chi2_segfit(500), //reduce_noise
00038 
00039         _hitscut(1), //2D track re-fitting
00040 
00041         //parameter restriction on s_zFit
00042         _nseg(2), //number of stereo SL segments in s_zFit
00043         _nlength(2), //number of total hits 
00044         _nc(2),
00045         _z_cut1(7.), 
00046         _z_cut2(4.)
00047 {
00048 }
00049 
00050 MdcParameter::~MdcParameter(){
00051 }
00052