ResiAlign.cpp

Go to the documentation of this file.

#include "include/ResiAlign.h"
#include "include/fun.h"
 
#include <cmath>
 
#include "TF1.h"
#include "TStyle.h"
#include "TCanvas.h"
 
ResiAlign::ResiAlign(){
     cout << "Alignment type: ResiAlign" << endl;
}
 
ResiAlign::~ResiAlign(){
}
 
void ResiAlign::init(TObjArray* hlist, MdcCosGeom* pGeom){
     m_pGeom = pGeom;
     char hname[200];
     m_hnTrk = new TH1F("mHNtrack", "", 10, -0.5, 9.5);
     hlist->Add(m_hnTrk);
 
     m_hnHit = new TH1F("mHNhit", "", 100, -0.5, 99.5);
     hlist->Add(m_hnHit);
 
     m_hlayHitmap = new TH1F("mHitmap", "", 43, -0.5, 42.5);
     hlist->Add(m_hnHit);
 
     m_hresAll = new TH1F("mHResAllInc", "", 200, -1.0, 1.0);
     hlist->Add(m_hresAll);
 
     m_hresInn = new TH1F("mHResInnInc", "", 200, -1.0, 1.0);
     hlist->Add(m_hresInn);
 
     m_hresStp = new TH1F("mHResStpInc", "", 200, -1.0, 1.0);
     hlist->Add(m_hresStp);
 
     m_hresOut = new TH1F("mHResOutInc", "", 200, -1.0, 1.0);
     hlist->Add(m_hresOut);
 
     for(int lay=0; lay<LAYERNMAX; lay++){
      sprintf(hname, "mRes_Layer%02d", lay);
      m_hresLay[lay] = new TH1F(hname, "", 200, -1.0, 1.0);
      hlist->Add(m_hresLay[lay]);
     }
 
     for(int iEP=0; iEP<NEP; iEP++){
      m_gr[iEP] = new TGraph();
      sprintf(hname, "mgrResi%02d", iEP);
      m_gr[iEP]->SetName(hname);
      hlist->Add(m_gr[iEP]);
 
      m_grSinPhi[iEP] = new TGraph();
      sprintf(hname, "mgrResi_sinPhi%02d", iEP);
      m_grSinPhi[iEP]->SetName(hname);
      hlist->Add(m_grSinPhi[iEP]);
 
      m_grCosPhi[iEP] = new TGraph();
      sprintf(hname, "mgrResi_cosPhi%02d", iEP);
      m_grCosPhi[iEP]->SetName(hname);
      hlist->Add(m_grCosPhi[iEP]);
 
      m_npoint[iEP] = 0;
     }
}
 
void ResiAlign::mergeHist(TFile* fhist){
     char hname[200];
     TH1F* hist;
     hist = (TH1F*)fhist->Get("HNtrack");
     m_hnTrk->Add(hist);
 
     hist = (TH1F*)fhist->Get("HNhit");
     m_hnHit->Add(hist);
 
     hist = (TH1F*)fhist->Get("Hitmap");
     m_hlayHitmap->Add(hist);
 
     hist = (TH1F*)fhist->Get("HResAllInc");
     m_hresAll->Add(hist);
 
     hist = (TH1F*)fhist->Get("HResInnInc");
     m_hresInn->Add(hist);
 
     hist = (TH1F*)fhist->Get("HResStpInc");
     m_hresStp->Add(hist);
 
     hist = (TH1F*)fhist->Get("HResOutInc");
     m_hresOut->Add(hist);
 
     for(int lay=0; lay<LAYERNMAX; lay++){
      sprintf(hname, "Res_Layer%02d", lay);
      hist = (TH1F*)fhist->Get(hname);
      m_hresLay[lay]->Add(hist);
     }
 
     for(int iEP=0; iEP<NEP; iEP++){
      sprintf(hname, "grResi%02d", iEP);
      TGraph* gr = (TGraph*)fhist->Get(hname);
      int np = gr->GetN();
      double xx;
      double yy;
      for(int i=0; i<np; i++){
           gr->GetPoint(i, xx, yy);
           m_gr[iEP]->SetPoint(m_npoint[iEP], xx, yy);
           m_grSinPhi[iEP]->SetPoint(m_npoint[iEP], sin(xx), yy);
           m_grCosPhi[iEP]->SetPoint(m_npoint[iEP], cos(xx), yy);
           m_npoint[iEP]++;
      }
     }
}
 
void ResiAlign::align(MdcAlignPar* alignPar){
     int iEP;
     double par[3];
     double err[3];
     double dx;
     double dy;
     double rz;
     double rLayer[] = { 120.225, 205.0, 237.55, 270.175, 302.625, 334.775, 366.65, 500.0,
             120.225, 205.0, 237.55, 270.175, 302.625, 334.775, 366.65, 500.0 };
 
     TCanvas c1("c1", "c1", 10, 10, 700, 500);
     c1.SetFillColor(10);
 
     TF1* fResPhi = new TF1("fResPhi", funResi, 0, PI2, 3);
     fResPhi->SetParameter(0, 0.0);
     fResPhi->SetParameter(1, 0.0);
     fResPhi->SetParameter(2, 0.0);
 
     for(iEP=0; iEP<NEP; iEP++){
      if((m_gr[iEP]->GetN()) > 500){
           // align dx, dy, rz
           m_gr[iEP]->Fit("fResPhi", "V");
           par[0] = fResPhi->GetParameter(0);
           par[1] = fResPhi->GetParameter(1);
           par[2] = fResPhi->GetParameter(2);
           err[0] = fResPhi->GetParError(0);
           err[1] = fResPhi->GetParError(1);
           err[2] = fResPhi->GetParError(2);
 
           // align dx and rz
//         m_grSinPhi[iEP]->Fit("pol1");
//         par[0] = m_grSinPhi[iEP]->GetFunction("pol1")->GetParameter(0);
//         par[1] = m_grSinPhi[iEP]->GetFunction("pol1")->GetParameter(1);
//         par[2] = 0.0;
//         err[0] = m_grSinPhi[iEP]->GetFunction("pol1")->GetParError(0);
//         err[1] = m_grSinPhi[iEP]->GetFunction("pol1")->GetParError(1);
//         err[2] = 0.0;
 
           // align dy
//         m_grCosPhi[iEP]->Fit("pol1");
//         par[0] = 0.0;
//         par[1] = 0.0;
//         par[2] = m_grCosPhi[iEP]->GetFunction("pol1")->GetParameter(1);
//         err[0] = 0.0;
//         err[1] = 0.0;
//         err[2] = m_grCosPhi[iEP]->GetFunction("pol1")->GetParError(1);
 
           dx = -1.0 * par[1];
           dy = par[2];
           rz = par[0] / rLayer[iEP];
 
           if (7==iEP || 15==iEP) {
            dx = 0.0;
            dy = 0.0;
            rz = 0.0;
            par[0] = 0.0;
            par[1] = 0.0;
            par[2] = 0.0;
           }
           alignPar->setDelDx(iEP, dx);
           alignPar->setDelDy(iEP, dy);
           alignPar->setDelRz(iEP, rz);
 
           alignPar->setErrDx(iEP, err[1]);
           alignPar->setErrDy(iEP, err[2]);
           alignPar->setErrRz(iEP, err[0]/rLayer[iEP]);
      }
     }
     renameHist();
     delete fResPhi;
}
 
void ResiAlign::renameHist(){
     char hname[200];
     m_hnTrk->SetName("HNtrack");
     m_hnHit->SetName("HNhit");
     m_hlayHitmap->SetName("Hitmap");
     m_hresAll->SetName("HResAllInc");
     m_hresInn->SetName("HResInnInc");
     m_hresStp->SetName("HResStpInc");
     m_hresOut->SetName("HResOutInc");
     for(int lay=0; lay<LAYERNMAX; lay++){
      sprintf(hname, "Res_Layer%02d", lay);
      m_hresLay[lay]->SetName(hname);
     }
     for(int iEP=0; iEP<NEP; iEP++){
      sprintf(hname, "grResi%02d", iEP);
      m_gr[iEP]->SetName(hname);
 
      sprintf(hname, "grResi_sinPhi%02d", iEP);
      m_grSinPhi[iEP]->SetName(hname);
 
      sprintf(hname, "grResi_cosPhi%02d", iEP);
      m_grCosPhi[iEP]->SetName(hname);
     }
}
 
Double_t ResiAlign::funResi(Double_t* x, Double_t* par){
     Double_t val;
     val = par[0] + par[1]*sin(x[0]) + par[2]*cos(x[0]);
     return val;
}