exclusive bins for high pT dihadron study

[u/mrichter/AliRoot.git] / ITS / AliITSv11GeometrySDD.cxx

diff --git a/ITS/AliITSv11GeometrySDD.cxx b/ITS/AliITSv11GeometrySDD.cxx
index 5c1e3510522865223845030e882c5a992de9137e..f0a601053bd8eff20fc4d9cb1ddb3b2604b97c6c 100755 (executable)
--- a/ITS/AliITSv11GeometrySDD.cxx
+++ b/ITS/AliITSv11GeometrySDD.cxx
@@ -497,11 +497,8 @@ const Double_t AliITSv11GeometrySDD::fgkSDDCableR5    =  37*fgkcm; // third part
 const Double_t AliITSv11GeometrySDD::fgkSDDCableZ5    =  65*fgkcm; // third part of "cable cone"
 
 
-
-
-
-
-
+using std::endl;
+using std::cout;
 ClassImp(AliITSv11GeometrySDD)
 
 //________________________________________________________________________
@@ -829,6 +826,7 @@ void AliITSv11GeometrySDD::CreateBasicObjects() {
   TGeoMedium *stainless       = GetMedium("AISI304L$"); // for screws
   TGeoMedium *coolerMediumSDD = GetMedium("WATER$");
   TGeoMedium *raccordMedium   = GetMedium("INOX$");  // same as AISI 316-L
+  TGeoMedium *copperMedium    = GetMedium("COPPER$");
 
   //********************************************************************
   // pieces of the carbon fiber structure
@@ -979,6 +977,14 @@ void AliITSv11GeometrySDD::CreateBasicObjects() {
   TGeoCombiTrans *bottomBeamTransf5 = new TGeoCombiTrans
     (0,-(fgkLadderHeight/2-fgkLadderBeamRadius)-dy,fgkSegmentLength/4, bottomBeamRot5);
 
+  // The ground wire running on the top vertex - M.S. 12 nov 2013
+  TGeoTube *groundWire = new TGeoTube(0, fgkEndLadderEarthCableR, fgkSegmentLength/2);
+  TGeoVolume *groundWireVol = new TGeoVolume("ITSsddGroundWire", groundWire,
+                                            copperMedium);
+  groundWireVol->SetLineColor(41); // should be something brown-ish
+  TGeoTranslation *trGroundWire = new TGeoTranslation(0,
+                              fgkLadderHeight/2-5*fgkEndLadderEarthCableR, 0);
+
   fLaddSegCommonVol[0] = cfLaddTopVol1;  fLaddSegCommonTr[0] = trTop1;
   fLaddSegCommonVol[1] = cfLaddTopVol2;  fLaddSegCommonTr[1] = trTop1;
   fLaddSegCommonVol[2] = cfLaddSideVol1; fLaddSegCommonTr[2] = ctSideR;
@@ -998,6 +1004,7 @@ void AliITSv11GeometrySDD::CreateBasicObjects() {
   fLaddSegCommonVol[16]= bottomBeam2Vol; fLaddSegCommonTr[16]= bottomBeamTransf3;
   fLaddSegCommonVol[17]= bottomBeam3Vol; fLaddSegCommonTr[17]= bottomBeamTransf4;
   fLaddSegCommonVol[18]= bottomBeam3Vol; fLaddSegCommonTr[18]= bottomBeamTransf5;
+  fLaddSegCommonVol[19]= groundWireVol;  fLaddSegCommonTr[19]= trGroundWire;
 
  
   //********************************************************************
@@ -1906,7 +1913,7 @@ TGeoVolumeAssembly *AliITSv11GeometrySDD::CreateLadder(Int_t iLay) {
     cableHV[iSegment].SetInitialNode(virtualLadder);
   };
   Double_t x1[3], x2[3], x3[3],
-          vY[3] = {0,1,0}, vZ[3] = {0,0,1}, vYZ[3]={0,1,1};
+    vY[3] = {0,1,0}, vZ[3] = {0,0,1};
 
   x1[0] = -fgkTransitHVtailXpos;
   x2[0] = -fgkTransitHVtailXpos;
@@ -1933,7 +1940,7 @@ TGeoVolumeAssembly *AliITSv11GeometrySDD::CreateLadder(Int_t iLay) {
     cableHV[iSegment].CreateAndInsertBoxCableSegment(2,0);
   };
 
-  vYZ[2] = -1;
+  //  vYZ[2] = -1;
   x1[0] = fgkTransitHVtailXpos;
   x2[0] = fgkTransitHVtailXpos;
   x3[0] = fgkTransitHVtailXpos;
@@ -5434,14 +5441,14 @@ TGeoVolumeAssembly *AliITSv11GeometrySDD::CreateDetectorsAssembly(Int_t iLay) {
 //
   
   Int_t    nDetectors   = fgkLay3Ndet;
-  Double_t ladderLength = fgkLay3LadderLength;
+  //  Double_t ladderLength = fgkLay3LadderLength;
   Double_t *sensorZPos  = fLay3sensorZPos;
   TGeoVolume *sensorSDD = fSDDsensor3;
 
   if (iLay==3) {}
   else if (iLay==4) {
     nDetectors   = fgkLay4Ndet;
-    ladderLength = fgkLay4LadderLength;
+    //    ladderLength = fgkLay4LadderLength;
     sensorZPos   = fLay4sensorZPos;
     sensorSDD    = fSDDsensor4;
   } else {