]> git.uio.no Git - u/mrichter/AliRoot.git/blobdiff - TPC/AliTPCv3.cxx
Removing obsolete mapping macro
[u/mrichter/AliRoot.git] / TPC / AliTPCv3.cxx
index c3e08c0044ff5c7713f72c05fe9d423eeec0865b..53faf0ca1b4318708e871968c965cc7895b80eda 100644 (file)
@@ -41,6 +41,7 @@
 
 #include "AliConst.h"
 #include "AliRun.h"
+#include "AliMathBase.h"
 #include "AliTPCDigitsArray.h"
 #include "AliTPCParam.h"
 #include "AliTPCParamSR.h"
@@ -858,8 +859,8 @@ void AliTPCv3::CreateGeometry()
   //
   // resistor rods assembly
   //
-   TGeoRotation rotr("rotr");
-   rotr.RotateZ(-21.);
+   TGeoRotation *rotr = new TGeoRotation("rotr");
+   rotr->RotateZ(-21.);
   //
   TGeoTube *rri = new TGeoTube(1.8,2.2,126.64);//inner
   TGeoTube *rro = new TGeoTube(1.8,2.2,126.54);//inner
@@ -867,13 +868,17 @@ void AliTPCv3::CreateGeometry()
   TGeoVolume *rriv = new TGeoVolume("TPC_RR_I",rri,m6);
   TGeoVolume *rrov = new TGeoVolume("TPC_RR_O",rro,m6);  
   //
-  rrov->AddNode(crov,1,new TGeoCombiTrans(0.5,0.866,0.,&rotr));
-  rrov->AddNode(crov,2,new TGeoCombiTrans(0.5,-0.866,0.,&rotr));
-  rrov->AddNode(prov,1);
-  //
-  rriv->AddNode(criv,1,new TGeoCombiTrans(0.5,0.866,0.,&rotr));
-  rriv->AddNode(criv,2,new TGeoCombiTrans(0.5,-0.866,0.,&rotr));
-  rriv->AddNode(priv,1); 
+  TGeoVolumeAssembly *rrin = new TGeoVolumeAssembly("TPC_RROD_I");
+  TGeoVolumeAssembly *rrou = new TGeoVolumeAssembly("TPC_RROD_O");
+  rrin->AddNode(rriv,1);
+  rrin->AddNode(criv,1,new TGeoTranslation(0.5,0.866, 0.));
+  rrin->AddNode(criv,2,new TGeoTranslation(0.5,-0.866, 0.)); 
+  rrin->AddNode(priv,1); 
+  //
+  rrou->AddNode(rrov,1);
+  rrou->AddNode(crov,1,new TGeoTranslation(0.5,0.866, 0.));
+  rrou->AddNode(crov,2,new TGeoTranslation(0.5,-0.866, 0.)); 
+  rrou->AddNode(prov,1);
   for(Int_t i=0;i<18;i++){
     Double_t angle,x,y;
     Double_t z,r; 
@@ -885,8 +890,8 @@ void AliTPCv3::CreateGeometry()
     z= 126.96;
     //
     if(i==3){
-      v9->AddNode(rriv,1,new TGeoTranslation(x,y,z)); //A
-      v9->AddNode(rriv,2,new TGeoTranslation(x,y,-z)); //C      
+      v9->AddNode(rrin,1,new TGeoCombiTrans(x,y,z,rotr)); //A
+      v9->AddNode(rrin,2,new TGeoCombiTrans(x,y,-z,rotr)); //C 
     } 
     else { 
       gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
@@ -901,12 +906,13 @@ void AliTPCv3::CreateGeometry()
     upar[2]=126.54; //upper
     z=127.06;
     if(i==15){
-      v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only
+      //v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));//A-side only
+      v9->AddNode(hvrv,1,new TGeoTranslation(x,y,127.14));//A-side only
       gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
     }
     else if(i==11){
-      v9->AddNode(rrov,1,new TGeoTranslation(x,y,z)); //A
-      v9->AddNode(rrov,2,new TGeoTranslation(x,y,-z)); //C
+      v9->AddNode(rrou,1,new TGeoCombiTrans(x,y,z,rotr)); //A
+      v9->AddNode(rrou,2,new TGeoCombiTrans(x,y,-z,rotr)); //C
     }
     else{
     //
@@ -923,7 +929,7 @@ void AliTPCv3::CreateGeometry()
 } // end of function
  
 //_____________________________________________________________________________
-void AliTPCv3::DrawDetector()
+void AliTPCv3::DrawDetector() const
 {
   //
   // Draw a shaded view of the Time Projection Chamber version 3
@@ -1156,7 +1162,7 @@ void AliTPCv3::StepManager()
   else
     {
       betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); 
-      pp=kprim*BetheBloch(betaGamma);    
+      pp=kprim*AliMathBase::BetheBlochAleph(betaGamma);    
       if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
     }
   
@@ -1165,27 +1171,3 @@ void AliTPCv3::StepManager()
   gMC->SetMaxStep(-TMath::Log(rnd)/pp);
   
 }
-
-//_____________________________________________________________________________
-Float_t AliTPCv3::BetheBloch(Float_t bg)
-{
-  //
-  // Bethe-Bloch energy loss formula
-  //
-  const Double_t kp1=0.76176e-1;
-  const Double_t kp2=10.632;
-  const Double_t kp3=0.13279e-4;
-  const Double_t kp4=1.8631;
-  const Double_t kp5=1.9479;
-
-  Double_t dbg = (Double_t) bg;
-
-  Double_t beta = dbg/TMath::Sqrt(1.+dbg*dbg);
-
-  Double_t aa = TMath::Power(beta,kp4);
-  Double_t bb = TMath::Power(1./dbg,kp5);
-
-  bb=TMath::Log(kp3+bb);
-  
-  return ((Float_t)((kp2-aa-bb)*kp1/aa));
-}