// //
///////////////////////////////////////////////////////////////////////////////
-#include <stdlib.h>
+//#include <stdlib.h>
#include <TLorentzVector.h>
-#include <TMath.h>
#include <TPDGCode.h>
-#include <TVirtualMC.h>
-
-#include "AliConst.h"
+#include <TString.h>
#include "AliLog.h"
-#include "AliMC.h"
-#include "AliRun.h"
-#include "AliTPCDigitsArray.h"
+#include "AliMathBase.h"
+#include "AliTrackReference.h"
#include "AliTPCParam.h"
-#include "AliTPCParamSR.h"
#include "AliTPCTrackHitsV2.h"
#include "AliTPCv2.h"
-#include "TGeoManager.h"
+#include "AliGeomManager.h"
#include "TGeoVolume.h"
#include "TGeoPcon.h"
#include "TGeoTube.h"
#include "TGeoTrd1.h"
#include "TGeoCompositeShape.h"
#include "TGeoPara.h"
+#include "TGeoPhysicalNode.h"
+#include "TGeoHalfSpace.h"
+#include "TTreeStream.h"
+
ClassImp(AliTPCv2)
//_____________________________________________________________________________
AliTPCv2::AliTPCv2(const char *name, const char *title) :
- AliTPC(name, title)
+ AliTPC(name, title),
+ fIdSens(0),
+ fIDrift(0),
+ fSecOld(0)
{
//
// Standard constructor for Time Projection Chamber version 2
//
- SetSens(-1); // no strips selected
-
SetBufferSize(128000);
- if (fTPCParam)
- fTPCParam->Write(fTPCParam->GetTitle());
+// if (fTPCParam)
+// fTPCParam->Write(fTPCParam->GetTitle());
}
//_____________________________________________________________________________
// here I define a volume TPC
// retrive the medium name with "TPC_" as a leading string
//
- TGeoPcon *tpc = new TGeoPcon(0.,360.,18); //18 sections
- tpc->DefineSection(0,-290.,77.,278.);
- tpc->DefineSection(1,-259.6,77.,278.);
+ TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections
+ //
+ tpc->DefineSection(0,-289.6,77.,278.);
+ tpc->DefineSection(1,-262.1,77.,278.);
+ //
+ tpc->DefineSection(2,-262.1,83.1,278.);
+ tpc->DefineSection(3,-260.,83.1,278.);
+ //
+ tpc->DefineSection(4,-260.,70.,278.);
+ tpc->DefineSection(5,-259.6,70.,278.);
+ //
+ tpc->DefineSection(6,-259.6,68.1,278.);
+ tpc->DefineSection(7,-253.6,68.1,278.);
+ //
+ tpc->DefineSection(8,-253.6,68.,278.);
+ tpc->DefineSection(9,-74.0,60.8,278.);
+ //
+ tpc->DefineSection(10,-74.0,60.1,278.);
+ tpc->DefineSection(11,-73.3,60.1,278.);
//
- tpc->DefineSection(2,-259.6,68.1,278.);
- tpc->DefineSection(3,-253.6,68.1,278.);
+ tpc->DefineSection(12,-73.3,56.9,278.);
+ tpc->DefineSection(13,-68.5,56.9,278.);
//
- tpc->DefineSection(4,-253.6,68.,278.);
- tpc->DefineSection(5,-74.0,60.8,278.);
+ tpc->DefineSection(14,-68.5,60.,278.);
+ tpc->DefineSection(15,-64.7,60.,278.);
//
- tpc->DefineSection(6,-74.0,60.1,278.);
- tpc->DefineSection(7,-73.3,60.1,278.);
+ tpc->DefineSection(16,-64.7,56.9,278.);
+ tpc->DefineSection(17,73.3,56.9,278.);
//
- tpc->DefineSection(8,-73.3,56.9,278.);
- tpc->DefineSection(9,73.3,56.9,278.);
+ tpc->DefineSection(18,73.3,60.1,278.);
+ tpc->DefineSection(19,74.0,60.1,278.);
//
- tpc->DefineSection(10,73.3,60.1,278.);
- tpc->DefineSection(11,74.0,60.1,278.);
+ tpc->DefineSection(20,74.0,60.8,278.);
+ tpc->DefineSection(21,253.6,65.5,278.);
//
- tpc->DefineSection(12,74.0,60.8,278.);
- tpc->DefineSection(13,253.6,65.5,278.);
+ tpc->DefineSection(22,253.6,65.6,278.);
+ tpc->DefineSection(23,259.6,65.6,278.);
//
- tpc->DefineSection(14,253.6,65.6,278.);
- tpc->DefineSection(15,259.6,65.6,278.);
+ tpc->DefineSection(24,259.6,70.0,278.);
+ tpc->DefineSection(25,260.,70.0,278.);
//
- tpc->DefineSection(16,259.6,77.0,278.);
- tpc->DefineSection(17,290.,77.,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);
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);
TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
//
+ TGeoRotation *segrot;//segment rotations
+ //
// outer containment vessel
//
TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
TGeoMedium *m3 = gGeoManager->GetMedium("TPC_Al");
TGeoVolume *v3 = new TGeoVolume("TPC_OCV",tocv,m3);
//
- TGeoTube *to1 = new TGeoTube(274.8174,277.995,252.1); //epoxy
- TGeoTube *to2 = new TGeoTube(274.8274,277.985,252.1); //tedlar
- TGeoTube *to3 = new TGeoTube(274.8312,277.9812,252.1);//prepreg2
- TGeoTube *to4 = new TGeoTube(274.9062,277.9062,252.1);//nomex
+ TGeoTubeSeg *to1 = new TGeoTubeSeg(274.8174,277.995,252.1,0.,59.9); //epoxy
+ TGeoTubeSeg *to2 = new TGeoTubeSeg(274.8274,277.985,252.1,0.,59.9); //tedlar
+ TGeoTubeSeg *to3 = new TGeoTubeSeg(274.8312,277.9812,252.1,0.,59.9);//prepreg2
+ TGeoTubeSeg *to4 = new TGeoTubeSeg(274.9062,277.9062,252.1,0.,59.9);//nomex
+ TGeoTubeSeg *tog5 = new TGeoTubeSeg(274.8174,277.995,252.1,59.9,60.);//epoxy
//
TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
- //-------------------------------------------------------
+ TGeoVolume *togv5 = new TGeoVolume("TPC_OCVG5",tog5,sm1);
+ //-------------------------------------------------------
// Tpc Outer Field Cage
// daughters - composite (sandwich)
//-------------------------------------------------------
//
TGeoVolume *v4 = new TGeoVolume("TPC_TOFC",tofc,m3);
//sandwich
- TGeoTube *tf1 = new TGeoTube(258.0,260.0676,252.1); //tedlar
- TGeoTube *tf2 = new TGeoTube(258.0038,260.0638,252.1); //prepreg3
- TGeoTube *tf3 = new TGeoTube(258.0338,260.0338,252.1);//nomex
+ TGeoTubeSeg *tf1 = new TGeoTubeSeg(258.0,260.0676,252.1,0.,59.9); //tedlar
+ TGeoTubeSeg *tf2 = new TGeoTubeSeg(258.0038,260.0638,252.1,0.,59.9); //prepreg3
+ TGeoTubeSeg *tf3 = new TGeoTubeSeg(258.0338,260.0338,252.1,0.,59.9);//nomex
+ TGeoTubeSeg *tfg4 = new TGeoTubeSeg(258.0,260.0676,252.1,59.9,60.); //epoxy glue
//
TGeoMedium *sm5 = gGeoManager->GetMedium("TPC_Prepreg3");
//
TGeoVolume *tf1v = new TGeoVolume("TPC_OFC1",tf1,sm2);
TGeoVolume *tf2v = new TGeoVolume("TPC_OFC2",tf2,sm5);
TGeoVolume *tf3v = new TGeoVolume("TPC_OFC3",tf3,sm4);
+ TGeoVolume *tfg4v = new TGeoVolume("TPC_OFCG4",tfg4,sm1);
//
// outer part - positioning
//
- tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);
- //
- tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);
- //
- v3->AddNode(tov1,1); v4->AddNode(tf1v,1);
+ tov1->AddNode(tov2,1); tov2->AddNode(tov3,1); tov3->AddNode(tov4,1);//ocv
+ //
+ tf1v->AddNode(tf2v,1); tf2v->AddNode(tf3v,1);//ofc
+ //
+ TGeoVolumeAssembly *t200 = new TGeoVolumeAssembly("TPC_OCVSEG");
+ TGeoVolumeAssembly *t300 = new TGeoVolumeAssembly("TPC_OFCSEG");
+ //
+ // assembly OCV and OFC
+ //
+ // 1st - no rotation
+ t200->AddNode(tov1,1); t200->AddNode(togv5,1);
+ t300->AddNode(tf1v,1); t300->AddNode(tfg4v,1);
+ // 2nd - rotation 60 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(60.);
+ t200->AddNode(tov1,2,segrot); t200->AddNode(togv5,2,segrot);
+ t300->AddNode(tf1v,2,segrot); t300->AddNode(tfg4v,2,segrot);
+ // 3rd rotation 120 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(120.);
+ t200->AddNode(tov1,3,segrot); t200->AddNode(togv5,3,segrot);
+ t300->AddNode(tf1v,3,segrot); t300->AddNode(tfg4v,3,segrot);
+ //4th rotation 180 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(180.);
+ t200->AddNode(tov1,4,segrot); t200->AddNode(togv5,4,segrot);
+ t300->AddNode(tf1v,4,segrot); t300->AddNode(tfg4v,4,segrot);
+ //5th rotation 240 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(240.);
+ t200->AddNode(tov1,5,segrot); t200->AddNode(togv5,5,segrot);
+ t300->AddNode(tf1v,5,segrot); t300->AddNode(tfg4v,5,segrot);
+ //6th rotation 300 deg
+ segrot = new TGeoRotation();
+ segrot->RotateZ(300.);
+ t200->AddNode(tov1,6,segrot); t200->AddNode(togv5,6,segrot);
+ t300->AddNode(tf1v,6,segrot); t300->AddNode(tfg4v,6,segrot);
+ //
+ v3->AddNode(t200,1,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(t300,1);
//
v2->AddNode(v3,1); v2->AddNode(v4,1);
//
TGeoTube *t1 = new TGeoTube(76.6774,78.845,0.75);
TGeoVolume *tv1 = new TGeoVolume("TPC_IFC2",t1,m3);
// sandwich - outermost parts - 2 copies
- TGeoTube *t2 = new TGeoTube(76.6774,78.845,74.175); // tedlar 38 microns
- TGeoTube *t3 = new TGeoTube(76.6812,78.8412,74.175); // prepreg2 500 microns
- TGeoTube *t4 = new TGeoTube(76.7312,78.7912,74.175); // prepreg3 300 microns
- TGeoTube *t5 = new TGeoTube(76.7612,78.7612,74.175); // nomex 2 cm
//
+ // segment outermost
+ //
+ TGeoTubeSeg *t2 = new TGeoTubeSeg(76.6774,78.845,74.175,350.,109.4); // tedlar 38 microns
+ TGeoTubeSeg *t3 = new TGeoTubeSeg(76.6812,78.8412,74.175,350.,109.4); // prepreg2 500 microns
+ TGeoTubeSeg *t4 = new TGeoTubeSeg(76.7312,78.7912,74.175,350.,109.4); // prepreg3 300 microns
+ TGeoTubeSeg *t5 = new TGeoTubeSeg(76.7612,78.7612,74.175,350.,109.4); // nomex 2 cm
+ TGeoTubeSeg *tepox1 = new TGeoTubeSeg(76.6774,78.845,74.175,109.4,110.);//epoxy
+ TGeoTubeSeg *tpr1 = new TGeoTubeSeg(78.845,78.885,74.175,109.,111.);
+
+ // volumes for the outer part
TGeoVolume *tv2 = new TGeoVolume("TPC_IFC3",t2,sm2);
TGeoVolume *tv3 = new TGeoVolume("TPC_IFC4",t3,sm3);
TGeoVolume *tv4 = new TGeoVolume("TPC_IFC5",t4,sm5);
TGeoVolume *tv5 = new TGeoVolume("TPC_IFC6",t5,sm4);
+ TGeoVolume *tvep1 = new TGeoVolume("TPC_IFEPOX1",tepox1,sm1);
+ TGeoVolume *tvpr1 = new TGeoVolume("TPC_PRSTR1",tpr1,sm2);
//
// middle parts - 2 copies
- TGeoTube *t6 = new TGeoTube(76.6774,78.795,5.); // tedlar 38 microns
- TGeoTube *t7 = new TGeoTube(76.6812,78.7912,5.); // prepreg2 250 microns
- TGeoTube *t8 = new TGeoTube(76.7062,78.7662,5.); // prepreg3 300 microns
- TGeoTube *t9 = new TGeoTube(76.7362,78.7362,5.); // nomex 2 cm
//
+ // segment middle
+ //
+ TGeoTubeSeg *t6 = new TGeoTubeSeg(76.6774,78.795,5.,350.,109.4); // tedlar 38 microns
+ TGeoTubeSeg *t7 = new TGeoTubeSeg(76.6812,78.7912,5.,350.,109.4); // prepreg2 250 microns
+ TGeoTubeSeg *t8 = new TGeoTubeSeg(76.7062,78.7662,5.,350.,109.4); // prepreg3 300 microns
+ TGeoTubeSeg *t9 = new TGeoTubeSeg(76.7362,78.7362,5.,350.,109.4); // nomex 2 cm
+ TGeoTubeSeg *tepox2 = new TGeoTubeSeg(76.6774,78.795,5.,109.4,110.);//epoxy
+ TGeoTubeSeg *tpr2 = new TGeoTubeSeg(78.795,78.835,5.,109.,111.);
+ // volumes for the middle part
TGeoVolume *tv6 = new TGeoVolume("TPC_IFC7",t6,sm2);
TGeoVolume *tv7 = new TGeoVolume("TPC_IFC8",t7,sm3);
TGeoVolume *tv8 = new TGeoVolume("TPC_IFC9",t8,sm5);
TGeoVolume *tv9 = new TGeoVolume("TPC_IFC10",t9,sm4);
+ TGeoVolume *tvep2 = new TGeoVolume("TPC_IFEPOX2",tepox2,sm1);
+ TGeoVolume *tvpr2 = new TGeoVolume("TPC_PRSTR2",tpr2,sm2);
// central part - 1 copy
- TGeoTube *t10 = new TGeoTube(76.6774,78.745,93.75); // tedlar 38 microns
- TGeoTube *t11 = new TGeoTube(76.6812,78.7412,93.75); // prepreg3 300 microns
- TGeoTube *t12 = new TGeoTube(76.7112,78.7112,93.75); // nomex 2 cm
- //
+ //
+ // segment central part
+ //
+ TGeoTubeSeg *t10 = new TGeoTubeSeg(76.6774,78.785,93.75,350.,109.4); // tedlar 38 microns
+ TGeoTubeSeg *t11 = new TGeoTubeSeg(76.6812,78.7812,93.75,350.,109.4); // prepreg3 500 microns
+ TGeoTubeSeg *t12 = new TGeoTubeSeg(76.7312,78.7312,93.75,350.,109.4); // nomex 2 cm
+ TGeoTubeSeg *tepox3 = new TGeoTubeSeg(76.6774,78.785,93.75,109.4,110.);//epoxy
+ TGeoTubeSeg *tpr3 = new TGeoTubeSeg(78.785,78.825,93.75,109.,111.);
+ // volumes for the central part
TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
+ TGeoVolume *tvep3 = new TGeoVolume("TPC_IFEPOX3",tepox3,sm1);
+ TGeoVolume *tvpr3 = new TGeoVolume("TPC_PRSTR3",tpr3,sm2);
//
- // inner part - positioning
+ // creating a sandwich for the outer par,t tv2 is the mother
//
- // creating a sandwich
tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
//
+ // creating a sandwich for the middle part, tv6 is the mother
+ //
tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
//
+ // creating a sandwich for the central part, tv10 is the mother
+ //
tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
//
- TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC");
+ TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC"); // ifc itself - 3 segments
+
//
- tv100->AddNode(tv10,1);
- tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75));
- tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75));
- tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925));
+ // first segment - no rotation
+ //
+ // central
+ tv100->AddNode(tv10,1); //sandwich
+ tv100->AddNode(tvep3,1);//epoxy
+ tv100->AddNode(tvpr3,1);//prepreg strip
+ // middle
+ tv100->AddNode(tv6,1,new TGeoTranslation(0.,0.,-98.75)); //sandwich1
+ tv100->AddNode(tv6,2,new TGeoTranslation(0.,0.,98.75)); // sandwich2
+ tv100->AddNode(tvep2,1,new TGeoTranslation(0.,0.,-98.75)); //epoxy
+ tv100->AddNode(tvep2,2,new TGeoTranslation(0.,0.,98.75)); //epoxy
+ tv100->AddNode(tvpr2,1,new TGeoTranslation(0.,0.,-98.75));//prepreg strip
+ tv100->AddNode(tvpr2,2,new TGeoTranslation(0.,0.,98.75));
+ // outer
+ tv100->AddNode(tv2,1,new TGeoTranslation(0.,0.,-177.925)); //sandwich
tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
+ tv100->AddNode(tvep1,1,new TGeoTranslation(0.,0.,-177.925)); //epoxy
+ tv100->AddNode(tvep1,2,new TGeoTranslation(0.,0.,177.925));
+ tv100->AddNode(tvpr1,1,new TGeoTranslation(0.,0.,-177.925));//prepreg strip
+ tv100->AddNode(tvpr1,2,new TGeoTranslation(0.,0.,-177.925));
+ //
+ // second segment - rotation 120 deg.
+ //
+ segrot = new TGeoRotation();
+ segrot->RotateZ(120.);
+ //
+ // central
+ tv100->AddNode(tv10,2,segrot); //sandwich
+ tv100->AddNode(tvep3,2,segrot);//epoxy
+ tv100->AddNode(tvpr3,2,segrot);//prepreg strip
+ // middle
+ tv100->AddNode(tv6,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1
+ tv100->AddNode(tv6,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2
+ tv100->AddNode(tvep2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy
+ tv100->AddNode(tvep2,4,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy
+ tv100->AddNode(tvpr2,3,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip
+ tv100->AddNode(tvpr2,4,new TGeoCombiTrans(0.,0.,98.75,segrot));
+ //outer
+ tv100->AddNode(tv2,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich
+ tv100->AddNode(tv2,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ tv100->AddNode(tvep1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy
+ tv100->AddNode(tvep1,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ tv100->AddNode(tvpr1,3,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip
+ tv100->AddNode(tvpr1,4,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ //
+ // third segment - rotation 240 deg.
+ //
+ segrot = new TGeoRotation();
+ segrot->RotateZ(240.);
+ //
+ // central
+ tv100->AddNode(tv10,3,segrot); //sandwich
+ tv100->AddNode(tvep3,3,segrot);//epoxy
+ tv100->AddNode(tvpr3,3,segrot);//prepreg strip
+ // middle
+ tv100->AddNode(tv6,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //sandwich1
+ tv100->AddNode(tv6,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); // sandwich2
+ tv100->AddNode(tvep2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot)); //epoxy
+ tv100->AddNode(tvep2,6,new TGeoCombiTrans(0.,0.,98.75,segrot)); //epoxy
+ tv100->AddNode(tvpr2,5,new TGeoCombiTrans(0.,0.,-98.75,segrot));//prepreg strip
+ tv100->AddNode(tvpr2,6,new TGeoCombiTrans(0.,0.,98.75,segrot));
+ //outer
+ tv100->AddNode(tv2,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//sandwich
+ tv100->AddNode(tv2,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ tv100->AddNode(tvep1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//epoxy
+ tv100->AddNode(tvep1,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ tv100->AddNode(tvpr1,5,new TGeoCombiTrans(0.,0.,-177.925,segrot));//prepreg strip
+ tv100->AddNode(tvpr1,6,new TGeoCombiTrans(0.,0.,177.925,segrot));
+ // Al parts - rings
tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
//
cfl->DefineSection(0,-71.1,59.7,61.2);
cfl->DefineSection(1,-68.6,59.7,61.2);
//
- cfl->DefineSection(2,-68.6,60.6324,61.2);
- cfl->DefineSection(3,68.6,60.6324,61.2);
+ cfl->DefineSection(2,-68.6,60.6124,61.2);
+ cfl->DefineSection(3,68.6,60.6124,61.2);
//
cfl->DefineSection(4,68.6,59.7,61.2);
cfl->DefineSection(5,71.1,59.7,61.2);
//
TGeoVolume *cflv = new TGeoVolume("TPC_CDR",cfl,m3);
// sandwich
- TGeoTube *cd1 = new TGeoTube(60.6424,61.19,71.1);
- TGeoTube *cd2 = new TGeoTube(60.6462,61.1862,71.1);
- TGeoTube *cd3 = new TGeoTube(60.6662,61.1662,71.1);
+ TGeoTubeSeg *cd1 = new TGeoTubeSeg(60.6224,61.19,71.1,0.1,119.9);
+ TGeoTubeSeg *cd2 = new TGeoTubeSeg(60.6262,61.1862,71.1,0.1,119.9);
+ TGeoTubeSeg *cd3 = new TGeoTubeSeg(60.6462,61.1662,71.1,0.1,119.9);
+ TGeoTubeSeg *cd4 = new TGeoTubeSeg(60.6562,61.1562,71.1,0.1,119.9);
+ TGeoTubeSeg *tepox4 = new TGeoTubeSeg(60.6224,61.19,71.1,359.9,0.1);
+ // TGeoTube *cd1 = new TGeoTube(60.6224,61.19,71.1);
+ // TGeoTube *cd2 = new TGeoTube(60.6262,61.1862,71.1);
+ // TGeoTube *cd3 = new TGeoTube(60.6462,61.1662,71.1);
+ // TGeoTube *cd4 = new TGeoTube(60.6562,61.1562,71.1);
//
TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
+ TGeoMedium *sm8 = gGeoManager->GetMedium("TPC_Epoxyfm");
TGeoVolume *cd1v = new TGeoVolume("TPC_CDR1",cd1,sm2); //tedlar
TGeoVolume *cd2v = new TGeoVolume("TPC_CDR2",cd2,sm6);// prepreg1
- TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm4); //nomex
+ TGeoVolume *cd3v = new TGeoVolume("TPC_CDR3",cd3,sm8); //epoxy film
+ TGeoVolume *cd4v = new TGeoVolume("TPC_CDR4",cd4,sm4); //nomex
+ TGeoVolume *tvep4 = new TGeoVolume("TPC_IFEPOX4",tepox4,sm1);
+
//
// seals for central drum 2 copies
//
TGeoTube *cs = new TGeoTube(56.9,61.2,0.1);
TGeoMedium *sm7 = gGeoManager->GetMedium("TPC_Mylar");
TGeoVolume *csv = new TGeoVolume("TPC_CDRS",cs,sm7);
- v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.));
- v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.));
+ v1->AddNode(csv,1,new TGeoTranslation(0.,0.,-71.2));
+ v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
//
// seal collars
TGeoPcon *se = new TGeoPcon(0.,360.,6);
//
// define reflection matrix
//
- TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,270.,180.,0.);
- //
- cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1);
- //
- v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-72.1));
- v1->AddNode(siv,2,new TGeoTranslation(0.,0.,72.1));
+ TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
+ //
+ cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cd3v->AddNode(cd4v,1); //sandwich
+ // first segment
+ cflv->AddNode(cd1v,1); cflv->AddNode(tvep4,1);
+ // second segment
+ segrot = new TGeoRotation();
+ segrot->RotateZ(120.);
+ cflv->AddNode(cd1v,2,segrot); cflv->AddNode(tvep4,2,segrot);
+ // third segment
+ segrot = new TGeoRotation();
+ segrot->RotateZ(240.);
+ cflv->AddNode(cd1v,3,segrot); cflv->AddNode(tvep4,3,segrot);
+ //
+ v1->AddNode(siv,1,new TGeoTranslation(0.,0.,-69.9));
+ v1->AddNode(siv,2,new TGeoTranslation(0.,0.,69.9));
v1->AddNode(sev,1); v1->AddNode(sev,2,ref); v1->AddNode(cflv,1);
//
// central membrane - 2 rings and a mylar membrane - assembly
//
TGeoTube *ih = new TGeoTube(81.05,84.05,0.3);
- TGeoTube *oh = new TGeoTube(250.,256.,.5);
- TGeoTube *mem = new TGeoTube(84.05,250,0.01);
+ TGeoTube *oh = new TGeoTube(250.,256.,0.5);
+ TGeoTube *mem = new TGeoTube(84.05,250.,0.00115);
+
+ //
+ TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
+ //
TGeoVolume *ihv = new TGeoVolume("TPC_IHVH",ih,m3);
TGeoVolume *ohv = new TGeoVolume("TPC_OHVH",oh,m3);
+
TGeoVolume *memv = new TGeoVolume("TPC_HV",mem,sm7);
//
TGeoVolumeAssembly *cm = new TGeoVolumeAssembly("TPC_HVMEM");
cm->AddNode(ihv,1);
cm->AddNode(ohv,1);
cm->AddNode(memv,1);
+
v9->AddNode(cm,1);
//
// end caps - they are make as an assembly of single segments
// containing both readout chambers
//
- Double_t OpeningAngle = 10.*TMath::DegToRad();
+ Double_t openingAngle = 10.*TMath::DegToRad();
Double_t thick=1.5; // rib
- Double_t shift = thick/TMath::Sin(OpeningAngle);
+ Double_t shift = thick/TMath::Sin(openingAngle);
//
- Double_t LowEdge = 86.3; // hole in the wheel
- Double_t UpEdge = 240.4; // hole in the wheel
+ Double_t lowEdge = 86.3; // hole in the wheel
+ Double_t upEdge = 240.4; // hole in the wheel
//
new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
//
TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
//
- hole->DefineSection(0,-3.5,LowEdge-shift,UpEdge-shift);
- hole->DefineSection(1,-1.5,LowEdge-shift,UpEdge-shift);
+ hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
+ hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
//
- hole->DefineSection(2,-1.5,LowEdge-shift,UpEdge+3.-shift);
- hole->DefineSection(3,3.5,LowEdge-shift,UpEdge+3.-shift);
+ hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
+ hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
//
- Double_t ys = shift*TMath::Sin(OpeningAngle);
- Double_t xs = shift*TMath::Cos(OpeningAngle);
+ Double_t ys = shift*TMath::Sin(openingAngle);
+ Double_t xs = shift*TMath::Cos(openingAngle);
TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
tr->RegisterYourself();
TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
//
TGeoBBox *conn = new TGeoBBox(0.4,0.3,4.675); // identical for iroc and oroc
TGeoVolume *connv = new TGeoVolume("TPC_RCCON",conn,m1);
+ TString fileName(gSystem->Getenv("ALICE_ROOT"));
+ fileName += "/TPC/conn_iroc.dat";
ifstream in;
- in.open("conn_iroc.dat", ios_base::in); // asci file
+ in.open(fileName.Data(), ios_base::in); // asci file
+ TGeoRotation *rrr[86];
for(Int_t i =0;i<86;i++){
- Double_t y = 3.9;
+ Double_t y = 3.99;
Double_t x,z,ang;
in>>x>>z>>ang;
- TGeoRotation *rrr = new TGeoRotation();
- rrr->RotateY(ang);
- TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr);
- ibdv->AddNode(connv,i+1,trans);
+ z-=26.5;
+ rrr[i]= new TGeoRotation();
+ rrr[i]->RotateY(ang);
+ ibdv->AddNode(connv,i+1,new TGeoCombiTrans(x,y,z,rrr[i]));
}
in.close();
// "cap"
// pad plane and wire fixations
//
TGeoTrd1 *pp = new TGeoTrd1(14.5974,23.3521,0.3,24.825); //pad+iso
- TGeoMedium *m4 = gGeoManager->GetMedium("TPC_G10");
TGeoVolume *ppv = new TGeoVolume("TPC_IRPP",pp,m4);
TGeoPara *f1 = new TGeoPara(.6,.5,24.825,0.,-10.,0.);
TGeoVolume *f1v = new TGeoVolume("TPC_IRF1",f1,m4);
//
// holes for connectors
//
- in.open("conn_oroc.dat", ios_base::in); // asci file
+ fileName = gSystem->Getenv("ALICE_ROOT");
+ fileName += "/TPC/conn_oroc.dat";
+ in.open(fileName.Data(), ios_base::in); // asci file
+ TGeoRotation *rr[78];
for(Int_t i =0;i<78;i++){
Double_t y =3.89;
Double_t x,z,ang;
//
x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
//
- TGeoRotation *rr = new TGeoRotation();
- rr->RotateY(ang);
+ rr[i]= new TGeoRotation();
+ rr[i]->RotateY(ang);
z1-=54.95;
z2-=54.95;
- TGeoCombiTrans *trans1 = new TGeoCombiTrans("trans1",x1,y,z1,rr);
- TGeoCombiTrans *trans2 = new TGeoCombiTrans("trans2",x2,y,z2,rr);
- obdv->AddNode(connv,i+1,trans1);
- obdv->AddNode(connv,i+79,trans2);
+ //
+ obdv->AddNode(connv,i+1,new TGeoCombiTrans(x1,y,z1,rr[i]));
+ obdv->AddNode(connv,i+79,new TGeoCombiTrans(x2,y,z2,rr[i]));
}
in.close();
// cap
//
// now iroc and oroc are placed into a sector...
//
- TGeoVolumeAssembly *sect = new TGeoVolumeAssembly("TPC_SECT");
+ TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
+ TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
TGeoRotation rot1("rot1",90.,90.,0.);
TGeoRotation rot2("rot2");
rot2.RotateY(10.);
*rot=rot1*rot2;
//
Double_t x0,y0;
- x0=110.2*TMath::Cos(OpeningAngle);
- y0=110.2*TMath::Sin(OpeningAngle);
- TGeoCombiTrans *combi1 = new TGeoCombiTrans("combi1",x0,y0,1.09,rot);
- x0=188.45*TMath::Cos(OpeningAngle);
- y0=188.45*TMath::Sin(OpeningAngle);
- TGeoCombiTrans *combi2 = new TGeoCombiTrans("combi2",x0,y0,0.99,rot);
+ x0=110.2*TMath::Cos(openingAngle);
+ y0=110.2*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
+ TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
+ x0=188.45*TMath::Cos(openingAngle);
+ y0=188.45*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
+ TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
+ //
+ //
+ // A-side
+ //
+ secta->AddNode(ch,1);
+ secta->AddNode(iroc,1,combi1a);
+ secta->AddNode(oroc,1,combi2a);
//
- sect->AddNode(ch,1);
- sect->AddNode(iroc,1,combi1);
- sect->AddNode(oroc,1,combi2);
+ // C-side
//
- // segment is ready...
- // now I try to make a wheel...
+ sectc->AddNode(ch,1);
+ sectc->AddNode(iroc,1,combi1c);
+ sectc->AddNode(oroc,1,combi2c);
//
- TGeoVolumeAssembly *wheel = new TGeoVolumeAssembly("TPC_ENDCAP");
+ // now I try to make wheels...
//
+ TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
+ TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
+ //
+ TGeoRotation *rwh[18];
for(Int_t i =0;i<18;i++){
Double_t phi = (20.*i);
- TGeoRotation *r = new TGeoRotation();
- r->RotateZ(phi);
- wheel->AddNode(sect,i+1,r);
+ rwh[i]=new TGeoRotation();
+ rwh[i]->RotateZ(phi);
+ wheela->AddNode(secta,i+1,rwh[i]);
+ wheelc->AddNode(sectc,i+1,rwh[i]);
}
- // wheels in the drift volume!
- v9->AddNode(wheel,1,new TGeoTranslation(0.,0.,-256.6));
+ // wheels in the drift volume!
+
TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
- v9->AddNode(wheel,2,combi3);
-
+ v9->AddNode(wheela,1,combi3);
+ v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
//_____________________________________________________________
// service support wheel
//_____________________________________________________________
TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
//
thick=1.;
- shift = thick/TMath::Sin(OpeningAngle);
+ shift = thick/TMath::Sin(openingAngle);
TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
sh->DefineSection(1,4.,81.5-shift,250.75-shift);
TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
//
- ys = shift*TMath::Sin(OpeningAngle);
- xs = shift*TMath::Cos(OpeningAngle);
+ TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
+ TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
+ el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
+ el->DefineSection(1,1.872,81.5-shift,250.75-shift);
+ TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
+ //
+ shv->AddNode(elv,1);
+ //
+ //
+ ys = shift*TMath::Sin(openingAngle);
+ xs = shift*TMath::Cos(openingAngle);
swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
// cover
TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
// hole in a cover
TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
- shift=4./TMath::Sin(OpeningAngle);
+ shift=4./TMath::Sin(openingAngle);
coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
coh->DefineSection(1,0.5,85.-shift,247.25-shift);
//
TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
//
- ys = shift*TMath::Sin(OpeningAngle);
- xs = shift*TMath::Cos(OpeningAngle);
+ ys = shift*TMath::Sin(openingAngle);
+ xs = shift*TMath::Cos(openingAngle);
cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
//
// Sector as an Assembly
//
// SSW as an Assembly of sectors
//
- TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
+ TGeoRotation *rsw[18];
+ TGeoVolumeAssembly *swheel = new TGeoVolumeAssembly("TPC_SSWHEEL");
for(Int_t i =0;i<18;i++){
Double_t phi = (20.*i);
- TGeoRotation *r = new TGeoRotation();
- r->RotateZ(phi);
- swheel->AddNode(swhs,i+1,r);
+ rsw[i] = new TGeoRotation();
+ rsw[i]->RotateZ(phi);
+ swheel->AddNode(swhs,i+1,rsw[i]);
}
v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
}
}//strips
//----------------------------------------------------------
- // TPc Support Rods - MAKROLON
+ // TPC Support Rods - MAKROLON
//----------------------------------------------------------
TGeoMedium *m6=gGeoManager->GetMedium("TPC_Makrolon");
TGeoMedium *m7=gGeoManager->GetMedium("TPC_Cu");
- // upper and lower rods differ in length!
- delete [] upar;
- upar=NULL;
- gGeoManager->Volume("TPC_Rod","TUBE",m6->GetId(),upar);
- upar=new Double_t [3];
- upar[0]=1.8;
- upar[1]=2.2;
-
+ TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
+ TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
+ TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
+ TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass");
+ //
+ // tpc rod is an assembly of 10 long parts and 2 short parts
+ // connected with alu rings and plagged on both sides.
+ //
+ //
+// tpc rod long
+//
+ TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6);
+ rod->DefineSection(0,-10.43,1.92,2.08);
+ rod->DefineSection(1,-9.75,1.92,2.08);
+
+ rod->DefineSection(2,-9.75,1.8,2.2);
+ rod->DefineSection(3,9.75,1.8,2.2);
+
+ rod->DefineSection(4,9.75,1.92,2.08);
+ rod->DefineSection(5,10.43,1.92,2.08);
+ //
+ TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6);
+ //
+ // tpc rod short
+ //
+ TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6);
+ rod1->DefineSection(0,-8.93,1.92,2.08);
+ rod1->DefineSection(1,-8.25,1.92,2.08);
+
+ rod1->DefineSection(2,-8.25,1.8,2.2);
+ rod1->DefineSection(3,8.25,1.8,2.2);
+
+ rod1->DefineSection(4,8.25,1.92,2.08);
+ rod1->DefineSection(5,8.93,1.92,2.08);
+ //
+ TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6);
+ //
+ // below is for the resistor rod
+ //
+ // hole for the brass connectors
+ //
+
+ new TGeoTube("hhole",0.,0.3,0.3);
+ //
+ //transformations for holes - initialy they
+ // are placed at x=0 and negative y
+ //
+ TGeoRotation *rhole = new TGeoRotation();
+ rhole->RotateX(90.);
+ TGeoCombiTrans *transf[13];
+ Char_t name[30];
+ for(Int_t i=0;i<13;i++){
+ //sprintf(name,"transf%d",i);
+ snprintf(name,30,"transf%d",i);
+ transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole);
+ transf[i]->RegisterYourself();
+ }
+ // union expression for holes
+ TString operl("hhole:transf0");
+ for (Int_t i=1;i<13;i++){
+ //sprintf(name,"+hhole:transf%d",i);
+ snprintf(name,30,"+hhole:transf%d",i);
+ operl.Append(name);
+ }
+ //
+ TString opers("hhole:transf1");
+ for (Int_t i=2;i<12;i++){
+ //sprintf(name,"+hhole:transf%d",i);
+ snprintf(name,30,"+hhole:transf%d",i);
+ opers.Append(name);
+ }
+ //union of holes
+ new TGeoCompositeShape("hlv",operl.Data());
+ new TGeoCompositeShape("hsv",opers.Data());
+ //
+ TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv");
+ TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv");
+ //rods - volumes - makrolon rods with holes
+ TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6);
+ TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6);
+ //brass connectors
+ //connectors
+ TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors
+ TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13);
+ //
+ // hooks holding strips
+ //
+ new TGeoBBox("hk1",0.625,0.015,0.75);
+ new TGeoBBox("hk2",0.625,0.015,0.15);
+ TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6);
+ TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6);
+ tr21->RegisterYourself();
+ tr12->RegisterYourself();
+
+ TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12");
+ TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13);
+ //
+ // assembly of the short rod with connectors and hooks
+ //
+ //
+ // short rod
+ //
+ TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart");
+ //
+ spart->AddNode( rodsv,1);
+ for(Int_t i=1;i<12;i++){
+ spart->AddNode(bconv,i,transf[i]);
+ }
+ for(Int_t i =0;i<11;i++){
+ spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5));
+ }
+ //
+ // long rod
+ //
+ TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart");
+ //
+ lpart->AddNode( rodlv,1);
+ for(Int_t i=0;i<13;i++){
+ lpart->AddNode(bconv,i+12,transf[i]);
+ }
+ for(Int_t i =0;i<13;i++){
+ lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5));
+ }
+ //
+ // alu ring
+ //
+ new TGeoTube("ring1",2.1075,2.235,0.53);
+ new TGeoTube("ring2",1.7925,1.89,0.43);
+ new TGeoTube("ring3",1.89,2.1075,0.05);
+ TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3");
+ TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3);
+ //
+ // rod assembly
+ //
+ TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod
+ TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod
+ //long pieces
+ for(Int_t i=0;i<11;i++){
+ tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21));
+ tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21));
+ }
+ for(Int_t i=0;i<10;i++){
+ tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));
+ tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));
+ }
+ //
+ // short pieces
+ //
+ tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.));
+ tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.));
+ tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.));
+ tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.));
+ //
+ tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.));
+ tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.));
+ tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.));
+ tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.));
+ //
+ // left plaque
+ //
+ TGeoPcon *lp = new TGeoPcon(0.,360.,4);
+ //
+ lp->DefineSection(0,-125.8,1.92,2.235);
+ lp->DefineSection(1,-124.8,1.92,2.235);
+ //
+ lp->DefineSection(2,-124.8,1.92,2.08);
+ lp->DefineSection(3,-123.1,1.92,2.08);
+ //
+ TGeoVolume *lpv1 = new TGeoVolume("TPC_lpv1",lp,m6);
+ TGeoVolume *lpv2 = new TGeoVolume("TPC_lpv2",lp,m6);
+ // left ring
+ TGeoTube *lr = new TGeoTube(2.1075,2.235,0.5);
+ TGeoVolume *lrv = new TGeoVolume("TPC_lrv",lr,m3);
+ //
+ lpv2->AddNode(lrv,1,new TGeoTranslation(0.,0.,-125.3));
+ //
+ tpcrrod->AddNode(lpv2,1);
+ tpcmrod->AddNode(lpv1,1);
+ //
+ // right plaque
+ //
+ TGeoTube *rp = new TGeoTube(1.92,2.08,2.025);
+ TGeoVolume *rpv = new TGeoVolume("TPC_rpv",rp,m6);
+ tpcrrod->AddNode(rpv,1, new TGeoTranslation(0.,0.,125.125));
+ tpcmrod->AddNode(rpv,2,new TGeoTranslation(0.,0.,125.125));
+ //
//
//HV rods - makrolon + 0.58cm (diameter) Cu
- TGeoTube *hvr = new TGeoTube(0.,4.4,126.64);
- TGeoTube *hvc = new TGeoTube(0.,0.29,126.64);
+ TGeoTube *hvr = new TGeoTube(0.,1.465,126.5);
+ TGeoTube *hvc = new TGeoTube(0.,0.29,126.5);
//
TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
hvrv->AddNode(hvcv,1);
+ //
+ //resistor rod
+ //
+ TGeoTube *cr = new TGeoTube(0.,0.45,126.2);
+ TGeoTube *cw = new TGeoTube(0.,0.15,126.2);
+ TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10);
+ TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12);
+ //
+ // ceramic rod with water
+ //
+ crv->AddNode(cwv,1);
+ //
+ //peek rod
+ //
+ TGeoTube *pr =new TGeoTube(0.2,0.35,126.2);
+ TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11);
+ //
+ // copper plates with connectors
+ //
+ new TGeoTube("tub",0.,1.7,0.025);
+ //
+ // half space - points on the plane and a normal vector
+ //
+ Double_t n[3],p[3];
+ Double_t slope = TMath::Tan(22.*TMath::DegToRad());
+ Double_t intp = 1.245;
+ //
+ Double_t b = slope*slope+1.;
+ p[0]=intp*slope/b;
+ p[1]=-intp/b;
+ p[2]=0.;
+ //
+ n[0]=-p[0];
+ n[1]=-p[1];
+ n[2]=0.;
+ Double_t norm;
+ norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
+ n[0] /= norm;
+ n[1] /=norm;
+ //
+ new TGeoHalfSpace("sp1",p,n);
+ //
+ slope = -slope;
+ //
+ p[0]=intp*slope/b;
+ p[1]=-intp/b;
+ //
+ n[0]=-p[0];
+ n[1]=-p[1];
+ norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
+ n[0] /= norm;
+ n[1] /=norm;
+ //
+ new TGeoHalfSpace("sp2",p,n);
+ // holes for rods
+ //holes
+ new TGeoTube("h1",0.,0.5,0.025);
+ new TGeoTube("h2",0.,0.35,0.025);
+ //translations:
+ TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.);
+ TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.);
+ ttr11->RegisterYourself();
+ ttr22->RegisterYourself();
+ // elastic connector
+ new TGeoBBox("elcon",0.72,0.005,0.3);
+ TGeoRotation *crr1 = new TGeoRotation();
+ crr1->RotateZ(-22.);
+TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1);
+ctr1->RegisterYourself();
+ TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1",
+"(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1");
+ //
+ TGeoVolume *csvv = new TGeoVolume("TPC_RR_CU",cs1,m7);
+ //
+ // resistor rod assembly 2 ceramic rods, peak rod, Cu plates
+ // and resistors
+ //
+ TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN");
+ // rods
+ rrod->AddNode(crv,1,ttr11);
+ rrod->AddNode(crv,2,ttr22);
+ rrod->AddNode(prv,1);
+ //Cu plates
+ for(Int_t i=0;i<165;i++){
+ rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5));
+ }
+ //resistors
+ TGeoTube *res = new TGeoTube(0.,0.15,0.5);
+ TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m10);
+ TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH");
+ ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.));
+ ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.));
+ //
+ TGeoRotation *crr2 = new TGeoRotation();
+ crr2->RotateY(30.);
+ TGeoRotation *crr3 = new TGeoRotation();
+ crr3->RotateY(-30.);
+ //
+ for(Int_t i=0;i<164;i+=2){
+ rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2));
+ rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3));
+ }
+
+ tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1));
+ //
+ // guard ring resistor chain
+ //
+
+ TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc
+ //
+ TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m10);
+
+ //
+ Double_t xrc,yrc;
+ //
+ xrc=79.3*TMath::Cos(350.*TMath::DegToRad());
+ yrc=79.3*TMath::Sin(350.*TMath::DegToRad());
+ //
+ v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9));
+ v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9));
+ //
+ xrc=79.3*TMath::Cos(190.*TMath::DegToRad());
+ yrc=79.3*TMath::Sin(190.*TMath::DegToRad());
+ //
+ v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9));
+ v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9));
+ //------------------------------------------------------------------
+ TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.);
+ TGeoRotation rotrod("rotrod");
+ //
+ TGeoRotation *rotpos[2];
+ //
+ TGeoRotation *rotrod1[2];
+ TGeoTubeSeg *irh = new TGeoTubeSeg(78.825,79.25,1.5,358.5,1.5);
+ TGeoTubeSeg *orh = new TGeoTubeSeg(256.5,257.95,1.5,359.5,0.5);
+ TGeoTubeSeg *ohh = new TGeoTubeSeg(256.5,257.95,1.5,9.5,10.5);
+ TGeoVolume *irhv = new TGeoVolume("TPC_IRHH",irh,m4);
+ TGeoVolume *orhv = new TGeoVolume("TPC_ORHH",orh,m4);
+ TGeoVolume *ohhv = new TGeoVolume("TPC_OHVHH",ohh,m4);
- for(Int_t i=0;i<17;i++){
+ //v9 - drift gas
+
+ for(Int_t i=0;i<18;i++){
Double_t angle,x,y;
Double_t z,r;
angle=TMath::DegToRad()*20.*(Double_t)i;
+ TGeoRotation *roth = new TGeoRotation(); //rotation for rod holders
+ roth->RotateZ(angle);
+ //inner rods
r=81.5;
x=r * TMath::Cos(angle);
y=r * TMath::Sin(angle);
- upar[2]=126.64; //lower
- z= 126.96;
- if(i==15){
- v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z));
- v9->AddNode(hvrv,2,new TGeoTranslation(x,y,-z));
- }
- else{
- gGeoManager->Node("TPC_Rod",i+1,"TPC_Drift",x,y,z,0,kTRUE,upar,3);//shaft
- gGeoManager->Node("TPC_Rod",i+18,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
+ z = 126.1;
+ //
+ v9->AddNode(irhv,i+1,roth);
+ v9->AddNode(orhv,i+1,roth);
+ v9->AddNode(ohhv,i+1,roth);
+ //
+ if(i==11){//resistor rod inner
+ rotrod.RotateZ(-90.+angle);
+ rotrod1[0]= new TGeoRotation();
+ rotpos[0]= new TGeoRotation();
+ //
+ rotrod1[0]->RotateZ(-90.+angle);
+ *rotpos[0] = refl*rotrod; //rotation+reflection
+ v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A
+ v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C
+ }
+ else {
+ v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft
+ v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon
}
+ // outer rods
r=254.25;
x=r * TMath::Cos(angle);
y=r * TMath::Sin(angle);
- upar[2]=126.54; //upper
- z=127.06;
- gGeoManager->Node("TPC_Rod",i+36,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
- gGeoManager->Node("TPC_Rod",i+54,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
- }
+ z=126.3;
+ //
+ if(i==3){//resistor rod outer
+ rotrod.RotateZ(90.+angle);
+ rotrod1[1]= new TGeoRotation();
+ rotpos[1]= new TGeoRotation();
+ rotrod1[1]->RotateZ(90.+angle);
+ *rotpos[1] = refl*rotrod;//rotation+reflection
+ v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A
+ v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C
+ }
+ else {
+ v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft
+ v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon
+ }
+ if(i==15){
+ v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only
+ }
+ } //end of rods positioning
+ TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
+ alice->AddNode(v1,1);
- gMC->Gspos("TPC_M ",1,"ALIC",0.,0.,0.,0,"ONLY");
-
} // end of function
//_____________________________________________________________________________
-void AliTPCv2::DrawDetector()
+void AliTPCv2::AddAlignableVolumes() const
{
//
- // Draw a shaded view of the Time Projection Chamber version 1
- //
-
- // Set everything unseen
- gMC->Gsatt("*", "seen", -1);
+ // Create entries for alignable volumes associating the symbolic volume
+ // name with the corresponding volume path. Needs to be syncronized with
+ // eventual changes in the geometry.
//
- // Set ALIC mother transparent
- gMC->Gsatt("ALIC","SEEN",0);
- //
- // Set the volumes visible
+ SetInnerChambersAlignable();
+ SetOuterChambersAlignable();
+}
+
+//_____________________________________________________________________________
+void AliTPCv2::SetInnerChambersAlignable() const
+{
//
+ AliGeomManager::ELayerID idTPC1 = AliGeomManager::kTPC1;
+ Int_t modUID, modnum = 0;
+ TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
+ TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
+ TString vpappend = "/TPC_IROC_1";
+ TString snstr1="TPC/EndcapA/Sector";
+ TString snstr2="TPC/EndcapC/Sector";
+ TString snappend="/InnerChamber";
+ TString volpath, symname;
+
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++);
+ volpath = vpstr1;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr1;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ }
- 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);
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC1,modnum++);
+ volpath = vpstr2;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr2;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ }
+}
+//_____________________________________________________________________________
+void AliTPCv2::SetOuterChambersAlignable() const
+{
//
- 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");
+ AliGeomManager::ELayerID idTPC2 = AliGeomManager::kTPC2;
+ Int_t modUID, modnum = 0;
+ TString vpstr1 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_1/TPC_SECT_";
+ TString vpstr2 = "ALIC_1/TPC_M_1/TPC_Drift_1/TPC_ENDCAP_2/TPC_SECT_";
+ TString vpappend = "/TPC_OROC_1";
+ TString snstr1="TPC/EndcapA/Sector";
+ TString snstr2="TPC/EndcapC/Sector";
+ TString snappend="/OuterChamber";
+ TString volpath, symname;
+
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++);
+ volpath = vpstr1;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr1;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ }
+
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ modUID = AliGeomManager::LayerToVolUID(idTPC2,modnum++);
+ volpath = vpstr2;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr2;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data(),modUID))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntryByUID(modUID);
+ TGeoHMatrix* globMatrix = alignableEntry->GetGlobalOrig();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ }
}
+
//_____________________________________________________________________________
void AliTPCv2::CreateMaterials()
{
fIDrift=gMC->VolId("TPC_Drift");
fSecOld=-100; // fake number
- gMC->SetMaxNStep(30000); // max. number of steps increased
+ gMC->SetMaxNStep(-30000); // max. number of steps increased
+
+ if (fPrimaryIonisation) {
+ // for FLUKA
+ gMC->Gstpar(idtmed[2],"PRIMIO_E", 20.77); // 1st ionisation potential
+
+ gMC->Gstpar(idtmed[2],"PRIMIO_N", 14.35);
+ gMC->Gstpar(idtmed[2],"LOSS", 14); // specific energy loss
+ gMC->Gstpar(idtmed[2],"STRA",4);
+ }
+ // specific energy loss for geant3 is now defined in galice.cuts
- gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss
- AliInfo("*** TPC version 2 initialized ***");
- AliInfo(Form("Maximum number of steps = %d",gMC->GetMaxNStep()));
+ AliDebug(1,"*** TPC version 2 initialized ***");
+ AliDebug(1,Form("Maximum number of steps = %d",gMC->GetMaxNStep()));
//
const Float_t kprim = 14.35; // number of primary collisions per 1 cm
const Float_t kpoti = 20.77e-9; // first ionization potential for Ne/CO2
const Float_t kwIon = 35.97e-9; // energy for the ion-electron pair creation
-
+ const Int_t kMaxDistRef =15; // maximal difference between 2 stored references
const Float_t kbig = 1.e10;
vol[1]=0; // preset row number to 0
//
- gMC->SetMaxStep(kbig);
+ if (!fPrimaryIonisation) gMC->SetMaxStep(kbig);
if(!gMC->IsTrackAlive()) return; // particle has disappeared
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]);
//
fTPCParam->AdjustCosSin(sector,cos,sin);
Float_t x1=p[0]*cos + p[1]*sin;
// check if within sector's limits
- if(x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp()
- ||x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp()){
+ if((x1>=fTPCParam->GetInnerRadiusLow()&&x1<=fTPCParam->GetInnerRadiusUp())
+ ||(x1>=fTPCParam->GetOuterRadiusLow()&&x1<=fTPCParam->GetOuterRadiusUp())){
// calculate real sector number...
if (x1>fTPCParam->GetOuterRadiusLow()){
sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/
//
vol[0]=sector;
+
+ static Double_t lastReferenceR=0;
+ if (TMath::Abs(lastReferenceR-r)>kMaxDistRef){
+ AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC);
+ lastReferenceR = r;
+ }
+
// check if change of sector
if(sector != fSecOld){
fSecOld=sector;
// add track reference
- AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
+ AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber(), AliTrackReference::kTPC);
}
// track is in the sensitive strip
if(id == fIdSens){
// charged particle is in the sensitive drift volume
//-----------------------------------------------------------------
if(gMC->TrackStep() > 0) {
-
- Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
+ Int_t nel=0;
+ if (!fPrimaryIonisation) {
+ nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
+ }
+ else {
+ Float_t edep = gMC->Edep();
+ if (edep > 0.) nel = (Int_t)((gMC->Edep()*1.5)/kwIon) + 1;
+ }
nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV
//
gMC->TrackPosition(p);
hits[4]=gMC->TrackTime();
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
-
+ if (fDebugStreamer){
+ // You can dump here what you need
+ // function CreateDebugStremer() to be called in the Config.C macro
+ // if you want to enable it
+ // By default debug streaemer is OFF
+ Float_t edep = gMC->Edep();
+ Float_t tstep = gMC->TrackStep();
+ Int_t pid=gMC->TrackPid();
+ (*fDebugStreamer)<<"hit"<<
+ "x="<<hits[0]<< // hit position
+ "y="<<hits[1]<<
+ "z="<<hits[2]<<
+ "nel="<<hits[3]<< // number of electorns
+ "tof="<<hits[4]<< // hit TOF
+ "edep="<<edep<< // energy deposit
+ "pid="<<pid<< // pid
+ "step="<<tstep<<
+ "p.="<<&p<<
+ "\n";
+ }
+
} // step>0
} //within sector's limits
// Stemax calculation for the next step
Float_t pp;
TLorentzVector mom;
- gMC->TrackMomentum(mom);
- Float_t ptot=mom.Rho();
- Float_t betaGamma = ptot/gMC->TrackMass();
-
- Int_t pid=gMC->TrackPid();
- if((pid==kElectron || pid==kPositron) && ptot > 0.002)
- {
- pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau!
- }
- else
- {
+ // below is valid only for Geant3 (fPromaryIonisation not set)
+ if(!fPrimaryIonisation){
+ gMC->TrackMomentum(mom);
+ Float_t ptot=mom.Rho();
+ Float_t betaGamma = ptot/gMC->TrackMass();
- betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
- pp=kprim*BetheBloch(betaGamma);
+ Int_t pid=gMC->TrackPid();
+ if((pid==kElectron || pid==kPositron) && ptot > 0.002)
+ {
+ pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau!
+ }
+ else
+ {
+
+ betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
+ pp=kprim*AliMathBase::BetheBlochAleph(betaGamma);
- if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
}
- Double_t rnd = gMC->GetRandom()->Rndm();
-
- gMC->SetMaxStep(-TMath::Log(rnd)/pp);
+ Double_t rnd = gMC->GetRandom()->Rndm();
+ gMC->SetMaxStep(-TMath::Log(rnd)/pp);
+ }
}
-//_____________________________________________________________________________
-Float_t AliTPCv2::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));
-}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff