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Corrected UInt_t <-> Int_t conversion
[u/mrichter/AliRoot.git] / TPC / AliTPCv2.cxx
diff --git a/TPC/AliTPCv2.cxx b/TPC/AliTPCv2.cxx
index f0307f2f7dd96ed50a2678a6a3bc9f8a87b83f15..35ff89532f40c5cf3e4f740ae19c4bbce2ca7868 100644 (file)
--- a/TPC/AliTPCv2.cxx
+++ b/TPC/AliTPCv2.cxx
@@ -103,43 +103,52 @@ void AliTPCv2::CreateGeometry()
   // here I define a volume TPC
   // retrive the medium name with "TPC_" as a leading string
   //
-  TGeoPcon *tpc = new TGeoPcon(0.,360.,24); //24 sections
+  TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections
   //
-  tpc->DefineSection(0,-291.,77.,278.);
-  tpc->DefineSection(1,-270,77.,278.);
+  tpc->DefineSection(0,-289.6,77.,278.);
+  tpc->DefineSection(1,-262.1,77.,278.);
   //
-  tpc->DefineSection(2,-270.,77.,278.);
-  tpc->DefineSection(3,-259.6,70.,278.);
+  tpc->DefineSection(2,-262.1,83.1,278.);
+  tpc->DefineSection(3,-260.,83.1,278.);
   //
-  tpc->DefineSection(4,-259.6,68.1,278.);
-  tpc->DefineSection(5,-253.6,68.1,278.);
+  tpc->DefineSection(4,-260.,70.,278.);    
+  tpc->DefineSection(5,-259.6,70.,278.);
   //
-  tpc->DefineSection(6,-253.6,68.,278.);
-  tpc->DefineSection(7,-74.0,60.8,278.);
+  tpc->DefineSection(6,-259.6,68.1,278.);
+  tpc->DefineSection(7,-253.6,68.1,278.);
   //
-  tpc->DefineSection(8,-74.0,60.1,278.);
-  tpc->DefineSection(9,-73.3,60.1,278.);
+  tpc->DefineSection(8,-253.6,68.,278.);
+  tpc->DefineSection(9,-74.0,60.8,278.);
   //
-  tpc->DefineSection(10,-73.3,56.9,278.); 
-  tpc->DefineSection(11,-68.5,56.9,278.);
+  tpc->DefineSection(10,-74.0,60.1,278.);
+  tpc->DefineSection(11,-73.3,60.1,278.);
   //
-  tpc->DefineSection(12,-68.5,60.,278.);
-  tpc->DefineSection(13,-65.,60.,278.);
+  tpc->DefineSection(12,-73.3,56.9,278.); 
+  tpc->DefineSection(13,-68.5,56.9,278.);
   //
-  tpc->DefineSection(14,-65.,56.9,278.); 
-  tpc->DefineSection(15,73.3,56.9,278.);
+  tpc->DefineSection(14,-68.5,60.,278.);
+  tpc->DefineSection(15,-64.7,60.,278.);
   //
-  tpc->DefineSection(16,73.3,60.1,278.);
-  tpc->DefineSection(17,74.0,60.1,278.);
+  tpc->DefineSection(16,-64.7,56.9,278.); 
+  tpc->DefineSection(17,73.3,56.9,278.);
   //
-  tpc->DefineSection(18,74.0,60.8,278.);
-  tpc->DefineSection(19,253.6,65.5,278.);
+  tpc->DefineSection(18,73.3,60.1,278.);
+  tpc->DefineSection(19,74.0,60.1,278.);
   //
-  tpc->DefineSection(20,253.6,65.6,278.);
-  tpc->DefineSection(21,259.6,65.6,278.);
+  tpc->DefineSection(20,74.0,60.8,278.);
+  tpc->DefineSection(21,253.6,65.5,278.);
   //
-  tpc->DefineSection(22,259.6,70.0,278.);
-  tpc->DefineSection(23,291.,77.,278.);
+  tpc->DefineSection(22,253.6,65.6,278.);
+  tpc->DefineSection(23,259.6,65.6,278.);
+  //
+  tpc->DefineSection(24,259.6,70.0,278.);
+  tpc->DefineSection(25,260.,70.0,278.);
+  //
+  tpc->DefineSection(26,260.,83.1,278.);
+  tpc->DefineSection(27,262.1,83.1,278.);
+  //
+  tpc->DefineSection(28,262.1,77.,278);
+  tpc->DefineSection(29,289.6,77.,278.);
   //
   TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
   TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
@@ -157,7 +166,7 @@ void AliTPCv2::CreateGeometry()
   dvol->DefineSection(4,253.6,74.5,264.4);
   dvol->DefineSection(5,260.,74.5,264.4);
   //
-  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2");
+  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-2");
   TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
   //
   v1->AddNode(v9,1);
@@ -1514,113 +1523,6 @@ void AliTPCv2::SetOuterChambersAlignable() const
   }
 }
 
-//_____________________________________________________________________________
-void AliTPCv2::DrawDetector() const
-{
-  //
-  // Draw a shaded view of the Time Projection Chamber version 1
-  //
-
-  // Set everything unseen
-  gMC->Gsatt("*", "seen", -1);
-  // 
-  // Set ALIC mother transparent
-  gMC->Gsatt("ALIC","SEEN",0);
-  //
-  // Set the volumes visible
-  //
-
-  gMC->Gsatt("TPC ","SEEN",0);
-  gMC->Gsatt("TOIN","SEEN",1);
-  gMC->Gsatt("TOIN","COLO",7);
-  gMC->Gsatt("TOCV","SEEN",1);
-  gMC->Gsatt("TOCV","COLO",4);
-  gMC->Gsatt("TSA1","SEEN",0);
-  gMC->Gsatt("TSA2","SEEN",0);
-  gMC->Gsatt("TSA3","SEEN",0);
-  gMC->Gsatt("TSA4","SEEN",0);  
-  gMC->Gsatt("TSA5","SEEN",0);
-  gMC->Gsatt("TOFC","SEEN",1);
-  gMC->Gsatt("TOFC","COLO",4);
-  gMC->Gsatt("TSA6","SEEN",0);
-  gMC->Gsatt("TSA7","SEEN",0);
-  gMC->Gsatt("TSA8","SEEN",0);    
-  gMC->Gsatt("TIIN","SEEN",1);
-  gMC->Gsatt("TIIN","COLO",7);
-  gMC->Gsatt("TII1","SEEN",0);
-  gMC->Gsatt("TIFC","SEEN",1);
-  gMC->Gsatt("TIFC","COLO",4);
-  gMC->Gsatt("TSA9","SEEN",0); 
-  gMC->Gsatt("TS10","SEEN",0);
-  gMC->Gsatt("TS11","SEEN",0);
-  gMC->Gsatt("TS12","SEEN",0);
-  gMC->Gsatt("TS13","SEEN",0);
-  gMC->Gsatt("TS14","SEEN",0);
-  gMC->Gsatt("TICC","SEEN",0);
-  gMC->Gsatt("TICM","SEEN",0);
-  gMC->Gsatt("TS15","SEEN",0);
-  gMC->Gsatt("TS16","SEEN",0);
-  gMC->Gsatt("TS17","SEEN",0);
-  gMC->Gsatt("TS18","SEEN",0);  
-  gMC->Gsatt("TS19","SEEN",0); 
-  gMC->Gsatt("TPJ1","SEEN",0);
-  gMC->Gsatt("TPJ2","SEEN",0);
-  gMC->Gsatt("TICS","SEEN",0);
-  gMC->Gsatt("TDGN","SEEN",0); 
-  gMC->Gsatt("TIRC","SEEN",0);
-  gMC->Gsatt("TIC1","SEEN",1);
-  gMC->Gsatt("TIPP","SEEN",0);
-  gMC->Gsatt("TIC3","SEEN",0);
-  gMC->Gsatt("TRCE","SEEN",0);
-  gMC->Gsatt("TPSC","SEEN",0);
-  gMC->Gsatt("TPCC","SEEN",0); 
-  gMC->Gsatt("TORC","SEEN",0);
-  gMC->Gsatt("TOPP","SEEN",0);
-  gMC->Gsatt("TOC3","SEEN",0);
-  gMC->Gsatt("TOC1","SEEN",1);
-  gMC->Gsatt("TSSW","SEEN",1);
-  gMC->Gsatt("TSWC","SEEN",1);
-  gMC->Gsatt("TSSW","COLO",3);
-  gMC->Gsatt("TSWC","COLO",3);
-  gMC->Gsatt("TSCE","COLO",6);
-  gMC->Gsatt("TSCE","SEEN",1);
-  gMC->Gsatt("TWES","SEEN",0);
-  gMC->Gsatt("TSWB","SEEN",0);
-  gMC->Gsatt("TPEL","SEEN",0);
-  gMC->Gsatt("TPMW","SEEN",1);
-  gMC->Gsatt("TESR","SEEN",1);
-  gMC->Gsatt("TPMW","COLO",12);
-  gMC->Gsatt("TIC1","COLO",5);
-  gMC->Gsatt("TOC1","COLO",5);
-  gMC->Gsatt("TESB","SEEN",0);
-  gMC->Gsatt("THVM","SEEN",1);
-  gMC->Gsatt("THVM","COLO",11);
-  gMC->Gsatt("THVH","SEEN",0);
-  gMC->Gsatt("TPSR","SEEN",0); 
-  gMC->Gsatt("THVL","SEEN",0);
-  gMC->Gsatt("THVC","SEEN",0);  
-  gMC->Gsatt("THVE","SEEN",0);
-  gMC->Gsatt("THVR","SEEN",0);
-  gMC->Gsatt("TPSS","SEEN",0);
-  gMC->Gsatt("TPUS","SEEN",0);
-  gMC->Gsatt("TPLS","SEEN",0);
-
-  //
-  gMC->Gdopt("hide", "on");
-  gMC->Gdopt("shad", "on");
-  gMC->Gsatt("*", "fill", 7);
-  gMC->SetClipBox(".");
-  gMC->SetClipBox("TPMW",-300,300,-300,300,254.,270.);
-  gMC->SetClipBox("TESR",-300,300,-300,300,254.,270.);
-  gMC->SetClipBox("TSSW",-300,300,-300,300,283.,284.);
-  gMC->SetClipBox("TSWC",-300,300,-300,300,283.,284.);
-  gMC->SetClipBox("*", 0, 300, -300, 300, -290, 290);
-  gMC->DefaultRange();
-  gMC->Gdraw("alic", 40, 30, 0, 12, 9.5, .025, .025);
-  gMC->Gdhead(1111, "Time Projection Chamber");
-  gMC->Gdman(18, 4, "MAN");
-  gMC->Gdopt("hide","off");
-}
 
 //_____________________________________________________________________________
 void AliTPCv2::CreateMaterials()
@@ -1706,6 +1608,15 @@ void AliTPCv2::StepManager()
   id = gMC->CurrentVolID(copy); // vol ID and copy number (starts from 1!)
   if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume 
 
+  if ( fPrimaryIonisation && id == fIDrift ) {
+    Double_t rnd = gMC->GetRandom()->Rndm();
+    gMC->SetMaxStep(0.2+(2.*rnd-1.)*0.05);  // 2 mm +- rndm*0.5mm step
+  }   
+
+  //if ( fPrimaryIonisation && id == fIDrift && gMC->IsTrackEntering()) {
+  //  gMC->SetMaxStep(0.2);  // 2 mm 
+  //}   
+  
   gMC->TrackPosition(p);
   Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
   //