Export AliDAQ header file into include

[u/mrichter/AliRoot.git] / EMCAL / AliEMCALGeometryOfflineTrd1.cxx

diff --git a/EMCAL/AliEMCALGeometryOfflineTrd1.cxx b/EMCAL/AliEMCALGeometryOfflineTrd1.cxx
index 9842cd73037bb24f98d3220695ed329b71b37c9a..804d6b502346d576fb64926a654631b619b26536 100644 (file)
--- a/EMCAL/AliEMCALGeometryOfflineTrd1.cxx
+++ b/EMCAL/AliEMCALGeometryOfflineTrd1.cxx
@@ -13,6 +13,10 @@
  * provided "as is" without express or implied warranty.                  *
  **************************************************************************/
 // GeometryOfflineTrd1 class  for EMCAL : singleton
+//  implementation of 
+//  specific geometry
+//  for trd 1
+//
 //*-- Author: Aleksei Pavlinov (WSU)
 
 /* $Id$*/
@@ -33,6 +37,7 @@ AliEMCALGeometryOfflineTrd1* AliEMCALGeometryOfflineTrd1::fgGeomOfflineTrd1=0;
 
 AliEMCALGeometryOfflineTrd1* AliEMCALGeometryOfflineTrd1::GetInstance()
 {
+  //retrurn instance of the geometry
   if(fgGeomOfflineTrd1==0) {
     fgGeomOfflineTrd1 = new AliEMCALGeometryOfflineTrd1();
   }
@@ -40,7 +45,8 @@ AliEMCALGeometryOfflineTrd1* AliEMCALGeometryOfflineTrd1::GetInstance()
 }
 
 AliEMCALGeometryOfflineTrd1::AliEMCALGeometryOfflineTrd1() : TNamed("geomTRD1","")
-{ // this private constarctor
+{ 
+  // this private constarctor
   fGeometry = AliEMCALGeometry::GetInstance("SHISH_62_TRD1");
   Init();
 }
@@ -53,12 +59,12 @@ void AliEMCALGeometryOfflineTrd1::Init()
   fTrd1Modules[0] =  new AliEMCALShishKebabTrd1Module();
   fSMMaxEta = 2*fMaxInEta;
   fSMPositionEta = new TVector2[fSMMaxEta];
-  fSMPositionEta[0] = fTrd1Modules[0]->GetCenterOfCell(1);
-  fSMPositionEta[1] = fTrd1Modules[0]->GetCenterOfCell(2);
+  fSMPositionEta[0] = fTrd1Modules[0]->GetCenterOfCellInLocalCoordinateofSM(1);
+  fSMPositionEta[1] = fTrd1Modules[0]->GetCenterOfCellInLocalCoordinateofSM(2);
   for(Int_t i=1; i<fMaxInEta; i++) {
     fTrd1Modules[i] = new AliEMCALShishKebabTrd1Module(*(fTrd1Modules[i-1]));
-    fSMPositionEta[2*i]   = fTrd1Modules[i]->GetCenterOfCell(1);
-    fSMPositionEta[2*i+1] = fTrd1Modules[i]->GetCenterOfCell(2);
+    fSMPositionEta[2*i]   = fTrd1Modules[i]->GetCenterOfCellInLocalCoordinateofSM(1);
+    fSMPositionEta[2*i+1] = fTrd1Modules[i]->GetCenterOfCellInLocalCoordinateofSM(2);
   }
   // PHI direction
   fSMPositionPhi.Set(2*fGeometry->GetNPhi());
@@ -103,8 +109,10 @@ void AliEMCALGeometryOfflineTrd1::Init()
   }
 }
 
-TVector3& AliEMCALGeometryOfflineTrd1::PosInSuperModule(const int nSupMod, const Int_t nTower,const Int_t nIphi,const Int_t nIeta)
-{ // 10-nov-04
+TVector3& AliEMCALGeometryOfflineTrd1::PosInSuperModule(int nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta)
+{ 
+  //return location of position within supermodule
+  // 10-nov-04
   static Int_t iphi, ieta;
   static TVector3 v;
   fGeometry->GetCellPhiEtaIndexInSModule(nSupMod, nTower,nIphi,nIeta, iphi,ieta);
@@ -114,9 +122,11 @@ TVector3& AliEMCALGeometryOfflineTrd1::PosInSuperModule(const int nSupMod, const
   return v;
 } 
 
-void AliEMCALGeometryOfflineTrd1::PositionInSuperModule(const Int_t iphi, const Int_t ieta, 
+void AliEMCALGeometryOfflineTrd1::PositionInSuperModule(Int_t iphi, Int_t ieta, 
 double &lphi, double &leta)
 { 
+  //return location of position within supermodule
+
   static Int_t ie=0;
   lphi = fSMPositionPhi[iphi-1];
   ie = ieta - 1;
@@ -125,29 +135,37 @@ double &lphi, double &leta)
   leta = fSMPositionEta[ie].X();
 }
 
-void AliEMCALGeometryOfflineTrd1::PositionInSuperModule(const int nSupMod, const Int_t nTower, const Int_t nIphi, const Int_t nIeta,
+void AliEMCALGeometryOfflineTrd1::PositionInSuperModule(int nSupMod, Int_t nTower, Int_t nIphi, Int_t nIeta,
 double &lphi, double &leta)
 {
+  //return location of position within supermodule
+
   static Int_t iphi,ieta;
   fGeometry->GetCellPhiEtaIndexInSModule(nSupMod, nTower,nIphi,nIeta,iphi,ieta);
   PositionInSuperModule(iphi,ieta, lphi,leta);
 }
 
 TRotation* AliEMCALGeometryOfflineTrd1::Rotation(Int_t module)
-{ // module chabge from 1 to 12
+{ 
+  //return rotation matrix for module
+  // module chabge from 1 to 12
   if(module<1)  module=1;
   if(module>12) module=12;
   return &fSuperModuleRotation[module];
 }
 
 TVector3* AliEMCALGeometryOfflineTrd1::CellPosition(int absId)
-{ // 15-nov-04
+{ 
+  //return cell position given absoluted cell id
+  // 15-nov-04
   if(absId<1 || absId>fXYZofCells->GetSize()) return 0;
   return (TVector3*)fXYZofCells->At(absId-1);
 }
 
 void AliEMCALGeometryOfflineTrd1::PrintSuperModule()
-{ // 12-nov-04
+{
+  //utility method for printing supermodule info
+  // 12-nov-04
   printf(" ** Super module ** fSMMaxEta %i fSMMaxPHI %i\n ETA     eta(Z)          (X)\n",
   fSMMaxEta,fSMPositionPhi.GetSize());
   for(Int_t i=0; i<fSMMaxEta; i++) {
@@ -161,6 +179,7 @@ void AliEMCALGeometryOfflineTrd1::PrintSuperModule()
 
 void AliEMCALGeometryOfflineTrd1::PrintCell(Int_t absId)
 {
+  //utility method for printing cell info
   Int_t nSupMod, nTower, nIphi, nIeta, iphi, ieta;
   if(fGeometry->GetCellIndex(absId, nSupMod,nTower,nIphi,nIeta)){
      fGeometry->GetCellPhiEtaIndexInSModule(nSupMod,nTower,nIphi,nIeta, iphi,ieta);
@@ -174,6 +193,7 @@ void AliEMCALGeometryOfflineTrd1::PrintCell(Int_t absId)
 
 void AliEMCALGeometryOfflineTrd1::Browse(TBrowser* b)
 {
+  //Browse the geometry
   if(fGeometry) b->Add(fGeometry);
 
   for(Int_t i=0; i<fMaxInEta; i++)  if(fTrd1Modules[i]>0) b->Add(fTrd1Modules[i]);
@@ -193,5 +213,6 @@ void AliEMCALGeometryOfflineTrd1::Browse(TBrowser* b)
 
 Bool_t AliEMCALGeometryOfflineTrd1::IsFolder() const
 {
+  //folder check
   return kTRUE;
 }