]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - ITS/AliITSsimulationSPD.cxx
Coverity fix: substituted sscanf by parser
[u/mrichter/AliRoot.git] / ITS / AliITSsimulationSPD.cxx
index 428a2a0fd249fdaf5f7c3cee0655a4b3bddbf260..ac65a13e6345d7eded82390dbd4553d5ab3e9b6e 100644 (file)
@@ -32,9 +32,12 @@ $Id$
 #include "AliLog.h"
 #include "AliRun.h"
 #include "AliMagF.h"
+#include "AliMathBase.h"
 
 //#define DEBUG
 
+using std::endl;
+using std::cout;
 ClassImp(AliITSsimulationSPD)
 ////////////////////////////////////////////////////////////////////////
 //  Version: 1
@@ -127,8 +130,8 @@ void AliITSsimulationSPD::Init(){
    } else {
        fCoupling=1;
    } // end if
-   //SetLorentzDrift(kTRUE);
-   if (fLorentz) SetTanLorAngle();
+   SetLorentzDrift(simpar->GetSPDLorentzDrift());
+   if (fLorentz) SetTanLorAngle(simpar->GetSPDLorentzHoleWeight());
    //SetStrobeGeneration(kFALSE);
    if (fStrobe) GenerateStrobePhase();
 }
@@ -154,13 +157,11 @@ Bool_t AliITSsimulationSPD::SetTanLorAngle(Double_t WeightHole) {
     }
     Double_t WeightEle=1.-WeightHole;
     AliITSSimuParam* simpar = fDetType->GetSimuParam();
-    Double_t pos[3]={0.,0.,0.};
-    Double_t B[3]={0.,0.,0.};
-    TGeoGlobalMagField::Instance()->Field(pos,B);
-    fTanLorAng = TMath::Tan(WeightHole*simpar->LorentzAngleHole(B[2]) +
-                             WeightEle*simpar->LorentzAngleElectron(B[2]));
-    fTanLorAng*=-1.; // this only for the old geometry
-                      // comment the upper line for the new geometry
+    AliMagF* fld = (AliMagF*)TGeoGlobalMagField::Instance()->GetField();
+    if (!fld) AliFatal("The field is not initialized");
+    Double_t bz = fld->SolenoidField();
+    fTanLorAng = TMath::Tan(WeightHole*simpar->LorentzAngleHole(bz) +
+                             WeightEle*simpar->LorentzAngleElectron(bz));
     return kTRUE;
 }
 //______________________________________________________________________
@@ -448,7 +449,7 @@ void AliITSsimulationSPD::HitToSDigit(AliITSmodule *mod){
                if(GetMap()->GetpListItem(i)==0) continue;
                else{
                    GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
-                   SetCoupling(iz,ix,idtrack,h);
+                   SetCoupling(iz,ix);
                } // end for i
            break;
        case 2: // case 4:
@@ -456,7 +457,7 @@ void AliITSsimulationSPD::HitToSDigit(AliITSmodule *mod){
                if(GetMap()->GetpListItem(i)==0) continue;
                else{
                    GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
-                   SetCouplingOld(iz,ix,idtrack,h);
+                   SetCouplingOld(iz,ix);
                } // end for i
            break;
        } // end switch
@@ -549,7 +550,7 @@ void AliITSsimulationSPD::HitToSDigitFast(AliITSmodule *mod){
                if(GetMap()->GetpListItem(i)==0) continue;
                else{
                    GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix);
-                   SetCoupling(iz,ix,idtrack,h);
+                   SetCoupling(iz,ix);
                } // end for i
            break;
        case 2: // case 4:
@@ -557,7 +558,7 @@ void AliITSsimulationSPD::HitToSDigitFast(AliITSmodule *mod){
                if(GetMap()->GetpListItem(i)==0) continue;
                else{
                    GetMap()->GetMapIndex(GetMap()->GetpListItem(i)->GetIndex(),iz,ix);  
-                   SetCouplingOld(iz,ix,idtrack,h);
+                   SetCouplingOld(iz,ix);
                } // end for i
            break;
        } // end switch
@@ -627,13 +628,13 @@ void AliITSsimulationSPD::SpreadCharge(Double_t x0,Double_t z0,
        z1 -= z0; // Distance from where track traveled
        z2 -= z0; // Distance from where track traveled
        s   = 0.25; // Correction based on definision of Erfc
-       s  *= TMath::Erfc(sp*x1) - TMath::Erfc(sp*x2);
+       s  *= AliMathBase::ErfcFast(sp*x1) - AliMathBase::ErfcFast(sp*x2);
        if(GetDebug(3)){
            cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<<
                " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<< 
                " sp*x1="<<sp*x1<<" sp*x2="<<sp*x2<<" s="<<s;
        } // end if GetDebug
-       s  *= TMath::Erfc(sp*z1) - TMath::Erfc(sp*z2);
+       s  *= AliMathBase::ErfcFast(sp*z1) - AliMathBase::ErfcFast(sp*z2);
        if(GetDebug(3)){
            cout<<" sp*z1="<<sp*z1<<" sp*z2="<<sp*z2<<" s="<<s<< endl;
        } // end if GetDebug
@@ -676,7 +677,7 @@ void AliITSsimulationSPD::SpreadChargeAsym(Double_t x0,Double_t z0,
 
 
    if(GetDebug(4)) Info("SpreadChargeAsym","(x0=%e,z0=%e,ix0=%d,iz0=%d,el=%e,"
-                        "sig=%e,t=%d,i=%d)",x0,z0,ix0,iz0,el,sigx,sigz,t,hi);
+                        "sigx=%e, sigz=%e, t=%d,i=%d)",x0,z0,ix0,iz0,el,sigx,sigz,t,hi);
    if(sigx<=0.0 || sigz<=0.0) { // if sig<=0 No diffusion to simulate.
        GetMap()->AddSignal(iz0,ix0,t,hi,GetModuleNumber(),el);
        if(GetDebug(2)){
@@ -707,13 +708,13 @@ void AliITSsimulationSPD::SpreadChargeAsym(Double_t x0,Double_t z0,
        z1 -= z0; // Distance from where track traveled
        z2 -= z0; // Distance from where track traveled
        s   = 0.25; // Correction based on definision of Erfc
-       s  *= TMath::Erfc(spx*x1) - TMath::Erfc(spx*x2);
+       s  *= AliMathBase::ErfcFast(spx*x1) - AliMathBase::ErfcFast(spx*x2);
        if(GetDebug(3)){
            cout <<"el="<<el<<" ix0="<<ix0<<" ix="<<ix<<" x0="<<x<<
                " iz0="<<iz0<<" iz="<<iz<<" z0="<<z<< 
                " spx*x1="<<spx*x1<<" spx*x2="<<spx*x2<<" s="<<s;
        } // end if GetDebug
-       s  *= TMath::Erfc(spz*z1) - TMath::Erfc(spz*z2);
+       s  *= AliMathBase::ErfcFast(spz*z1) - AliMathBase::ErfcFast(spz*z2);
        if(GetDebug(3)){
            cout<<" spz*z1="<<spz*z1<<" spz*z2="<<spz*z2<<" s="<<s<< endl;
        } // end if GetDebug
@@ -839,7 +840,7 @@ void AliITSsimulationSPD::CreateHistograms(){
    fSPDname="spd_";
    for(Int_t i=0;i<GetNPixelsZ();i++) {
        Char_t pixelz[4];
-       sprintf(pixelz,"%d",i);
+       snprintf(pixelz,3,"%d",i);
        fSPDname.Append(pixelz);
        fHis->AddAt(new TH1F(fSPDname.Data(),"SPD maps",
                             GetNPixelsX(),0.,(Double_t)GetNPixelsX()),i);
@@ -877,8 +878,7 @@ void AliITSsimulationSPD::ResetHistograms(){
 }
 
 //______________________________________________________________________
-void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack,
-                                     Int_t idhit) {
+void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row) {
    //  Take into account the coupling between adiacent pixels.
    //  The parameters probcol and probrow are the probability of the
    //  signal in one pixel shared in the two adjacent pixels along
@@ -899,8 +899,6 @@ void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack,
    // Inputs:
    //    Int_t col            z cell index
    //    Int_t row            x cell index
-   //    Int_t ntrack         track incex number
-   //    Int_t idhit          hit index number
    // Outputs:
    //    none.
    // Return:
@@ -911,9 +909,9 @@ void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack,
    Double_t xr=0.;
 
    GetCouplings(couplC,couplR);
-   if(GetDebug(3)) Info("SetCoupling","(col=%d,row=%d,ntrack=%d,idhit=%d) "
+   if(GetDebug(3)) Info("SetCoupling","(col=%d,row=%d) "
                         "Calling SetCoupling couplC=%e couplR=%e",
-                        col,row,ntrack,idhit,couplC,couplR);
+                        col,row,couplC,couplR);
    j1 = col;
    j2 = row;
    pulse1 = GetMap()->GetSignalOnly(col,row);
@@ -926,7 +924,7 @@ void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack,
                j1 = col;
                flag = 1;
            }else{
-               UpdateMapSignal(row,j1,ntrack,idhit,pulse1);
+               UpdateMapNoise(row,j1,pulse1);
                //  flag = 0;
                flag = 1; // only first next!!
            } // end if
@@ -939,7 +937,7 @@ void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack,
                j2 = row;
                flag = 1;
            }else{
-               UpdateMapSignal(j2,col,ntrack,idhit,pulse2);
+               UpdateMapNoise(j2,col,pulse2);
                //  flag = 0;
                flag = 1; // only first next!!
            } // end if
@@ -947,8 +945,7 @@ void AliITSsimulationSPD::SetCoupling(Int_t col, Int_t row, Int_t ntrack,
    } // for isign
 }
 //______________________________________________________________________
-void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row,
-               Int_t ntrack,Int_t idhit) {
+void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row) {
    //  Take into account the coupling between adiacent pixels.
    //  The parameters probcol and probrow are the fractions of the
    //  signal in one pixel shared in the two adjacent pixels along
@@ -967,8 +964,6 @@ void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row,
    // Inputs:
    //    Int_t col            z cell index
    //    Int_t row            x cell index
-   //    Int_t ntrack         track incex number
-   //    Int_t idhit          hit index number
    //    Int_t module         module number
    // Outputs:
    //    none.
@@ -984,9 +979,9 @@ void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row,
 //    cout << "Threshold --> " << GetThreshold() << endl;  // dom
 //    cout << "Couplings --> " << couplC << " " << couplR << endl;  // dom
 
-   if(GetDebug(3)) Info("SetCouplingOld","(col=%d,row=%d,ntrack=%d,idhit=%d) "
+   if(GetDebug(3)) Info("SetCouplingOld","(col=%d,row=%d) "
                         "Calling SetCoupling couplC=%e couplR=%e",
-                        col,row,ntrack,idhit,couplC,couplR);
+                        col,row,couplC,couplR);
    for (Int_t isign=-1;isign<=1;isign+=2){// loop in col direction
    pulse1 = GetMap()->GetSignalOnly(col,row);
    pulse2 = pulse1;
@@ -1000,7 +995,7 @@ void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row,
                j1 = col;
                flag = 1;
            }else{
-               UpdateMapSignal(row,j1,ntrack,idhit,pulse1);
+               UpdateMapNoise(row,j1,pulse1);
                // flag = 0;
                flag = 1;  // only first next !!
            } // end if
@@ -1014,7 +1009,7 @@ void AliITSsimulationSPD::SetCouplingOld(Int_t col, Int_t row,
                j2 = row;
                flag = 1;
            }else{
-               UpdateMapSignal(j2,col,ntrack,idhit,pulse2);
+               UpdateMapNoise(j2,col,pulse2);
                // flag = 0;
                flag = 1; // only first next!!
            } // end if