+/**************************************************************************
+ * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * *
+ * Author: The ALICE Off-line Project. *
+ * Contributors are mentioned in the code where appropriate. *
+ * *
+ * Permission to use, copy, modify and distribute this software and its *
+ * documentation strictly for non-commercial purposes is hereby granted *
+ * without fee, provided that the above copyright notice appears in all *
+ * copies and that both the copyright notice and this permission notice *
+ * appear in the supporting documentation. The authors make no claims *
+ * about the suitability of this software for any purpose. It is *
+ * provided "as is" without express or implied warranty. *
+ **************************************************************************/
+
+/* $Id$ */
+
+//
///////////////////////////////////////////////////////////////////////////////
// //
// Time Projection Chamber version 2 -- detailed TPC and slow simulation //
// //
///////////////////////////////////////////////////////////////////////////////
-#include <TMath.h>
+//#include <stdlib.h>
+#include <TLorentzVector.h>
+#include <TPDGCode.h>
+#include <TString.h>
+#include "AliLog.h"
+#include "AliTPCParam.h"
+#include "AliTPCTrackHitsV2.h"
#include "AliTPCv2.h"
-#include "AliTPCD.h"
-#include "AliRun.h"
-#include "AliConst.h"
+#include "TGeoVolume.h"
+#include "TGeoPcon.h"
+#include "TGeoTube.h"
+#include "TGeoPgon.h"
+#include "TGeoTrd1.h"
+#include "TGeoCompositeShape.h"
+#include "TGeoPara.h"
+#include "TGeoPhysicalNode.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
//
- fIdSens1=0;
- fIdSens2=0;
+
+
SetBufferSize(128000);
+
+
+ if (fTPCParam)
+ fTPCParam->Write(fTPCParam->GetTitle());
}
//_____________________________________________________________________________
//
//Begin_Html
/*
- <img src="picts/AliTPCv2.gif">
+ <img src="picts/AliTPC.gif">
*/
//End_Html
//Begin_Html
*/
//End_Html
- Int_t *idtmed = fIdtmed->GetArray()-399;
+ //----------------------------------------------------------
+ // This geometry is written using TGeo class
+ // Firstly the shapes are defined, and only then the volumes
+ // What is recognized by the MC are volumes
+ //----------------------------------------------------------
+ //
+ // tpc - this will be the mother volume
+ //
- AliTPCParam * fTPCParam = &(fDigParam->GetParam());
+ //
+ // 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,-259.6,70.,278.);
+ //
+ tpc->DefineSection(2,-259.6,68.1,278.);
+ tpc->DefineSection(3,-253.6,68.1,278.);
+ //
+ tpc->DefineSection(4,-253.6,68.,278.);
+ tpc->DefineSection(5,-74.0,60.8,278.);
+ //
+ tpc->DefineSection(6,-74.0,60.1,278.);
+ tpc->DefineSection(7,-73.3,60.1,278.);
+ //
+ tpc->DefineSection(8,-73.3,56.9,278.);
+ tpc->DefineSection(9,73.3,56.9,278.);
+ //
+ tpc->DefineSection(10,73.3,60.1,278.);
+ tpc->DefineSection(11,74.0,60.1,278.);
+ //
+ tpc->DefineSection(12,74.0,60.8,278.);
+ tpc->DefineSection(13,253.6,65.5,278.);
+ //
+ tpc->DefineSection(14,253.6,65.6,278.);
+ tpc->DefineSection(15,259.6,65.6,278.);
+ //
+ tpc->DefineSection(16,259.6,70.0,278.);
+ tpc->DefineSection(17,290.,77.,278.);
+ //
+ TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
+ TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
+ //
+ // drift volume - sensitive volume, extended beyond the
+ // endcaps, because of the alignment
+ //
+ TGeoPcon *dvol = new TGeoPcon(0.,360.,6);
+ dvol->DefineSection(0,-260.,74.5,264.4);
+ dvol->DefineSection(1,-253.6,74.5,264.4);
+ //
+ dvol->DefineSection(2,-253.6,76.6774,258.);
+ dvol->DefineSection(3,253.6,76.6774,258.);
+ //
+ 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");
+ TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
+ //
+ v1->AddNode(v9,1);
+ //
+ // outer insulator
+ //
+ TGeoPcon *tpco = new TGeoPcon(0.,360.,6); //insulator
+ //
+ tpco->DefineSection(0,-256.6,264.8,278.);
+ tpco->DefineSection(1,-253.6,264.8,278.);
+ //
+ tpco->DefineSection(2,-253.6,258.,278.);
+ tpco->DefineSection(3,250.6,258.,278.);
+ //
+ tpco->DefineSection(4,250.6,258.,275.5);
+ tpco->DefineSection(5,253.6,258.,275.5);
+ //
+ TGeoMedium *m2 = gGeoManager->GetMedium("TPC_CO2");
+ TGeoVolume *v2 = new TGeoVolume("TPC_OI",tpco,m2);
+ //
+ // outer containment vessel
+ //
+ TGeoPcon *tocv = new TGeoPcon(0.,360.,6); // containment vessel
+ //
+ tocv->DefineSection(0,-256.6,264.8,278.);
+ tocv->DefineSection(1,-253.6,264.8,278.);
+ //
+ tocv->DefineSection(2,-253.6,274.8124,278.);
+ tocv->DefineSection(3,247.6,274.8124,278.);
+ //
+ tocv->DefineSection(4,247.6,270.4,278.);
+ tocv->DefineSection(5,250.6,270.4,278.);
+ //
+ 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
+ //
+ TGeoMedium *sm1 = gGeoManager->GetMedium("TPC_Epoxy");
+ TGeoMedium *sm2 = gGeoManager->GetMedium("TPC_Tedlar");
+ TGeoMedium *sm3 = gGeoManager->GetMedium("TPC_Prepreg2");
+ TGeoMedium *sm4 = gGeoManager->GetMedium("TPC_Nomex");
+ //
+ TGeoVolume *tov1 = new TGeoVolume("TPC_OCV1",to1,sm1);
+ TGeoVolume *tov2 = new TGeoVolume("TPC_OCV2",to2,sm2);
+ TGeoVolume *tov3 = new TGeoVolume("TPC_OCV3",to3,sm3);
+ TGeoVolume *tov4 = new TGeoVolume("TPC_OCV4",to4,sm4);
+ //-------------------------------------------------------
+ // Tpc Outer Field Cage
+ // daughters - composite (sandwich)
+ //-------------------------------------------------------
- Float_t tana;
- Int_t isll;
- Float_t rlsl, wlsl, rssl, rlsu, wssl, wlsu, rssu, wssu;
- Int_t i;
- Float_t alpha, x, y, z, sec_thick;
-
- Float_t r1, r2, x1, z0, z1, x2, theta1, theta2, theta3, dm[21];
- Int_t il, iu;
- Float_t z_side, zz;
- Int_t idrotm[100];
-
- Float_t x0l, x0u;
- Int_t idr;
- Float_t thl, opl;
- Int_t ils, iss;
- Float_t thu, opu;
- Int_t ifl1 = 0, ifl2 = 0;
- Float_t phi1, phi2, phi3;
-
- // ---------------------------------------------------
- // sector specification check
- // ---------------------------------------------------
- if (fSecAL >= 0) {
- ifl1 = 0;
+ TGeoPcon *tofc = new TGeoPcon(0.,360.,6);
+ //
+ tofc->DefineSection(0,-253.6,258.,269.6);
+ tofc->DefineSection(1,-250.6,258.,269.6);
+ //
+ tofc->DefineSection(2,-250.6,258.,260.0676);
+ tofc->DefineSection(3,250.6,258.,260.0676);
+ //
+ tofc->DefineSection(4,250.6,258.,275.5);
+ tofc->DefineSection(5,253.6,258.,275.5);
+ //
+ 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
+ //
+ 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);
+ //
+ // 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,new TGeoTranslation(0.,0.,-1.5)); v4->AddNode(tf1v,1);
+ //
+ v2->AddNode(v3,1); v2->AddNode(v4,1);
+ //
+ v1->AddNode(v2,1);
+ //--------------------------------------------------------------------
+ // Tpc Inner INsulator (CO2)
+ // the cones, the central drum and the inner f.c. sandwich with a piece
+ // of the flane will be placed in the TPC
+ //--------------------------------------------------------------------
+ TGeoPcon *tpci = new TGeoPcon(0.,360.,4);
+ //
+ tpci->DefineSection(0,-253.6,68.4,76.6774);
+ tpci->DefineSection(1,-74.0,61.2,76.6774);
+ //
+ tpci->DefineSection(2,74.0,61.2,76.6774);
+ //
+ tpci->DefineSection(3,253.6,65.9,76.6774);
+ //
+ TGeoVolume *v5 = new TGeoVolume("TPC_INI",tpci,m2);
+ //
+ // now the inner field cage - only part of flanges (2 copies)
+ //
+ TGeoTube *tif1 = new TGeoTube(69.9,76.6774,1.5);
+ TGeoVolume *v6 = new TGeoVolume("TPC_IFC1",tif1,m3);
+ //
+ //---------------------------------------------------------
+ // Tpc Inner Containment vessel - Muon side
+ //---------------------------------------------------------
+ TGeoPcon *tcms = new TGeoPcon(0.,360.,10);
+ //
+ tcms->DefineSection(0,-259.1,68.1,74.2);
+ tcms->DefineSection(1,-253.6,68.1,74.2);
+ //
+ tcms->DefineSection(2,-253.6,68.1,68.4);
+ tcms->DefineSection(3,-74.0,60.9,61.2);
+ //
+ tcms->DefineSection(4,-74.0,60.1,61.2);
+ tcms->DefineSection(5,-73.3,60.1,61.2);
+ //
+ tcms->DefineSection(6,-73.3,56.9,61.2);
+ tcms->DefineSection(7,-73.0,56.9,61.2);
+ //
+ tcms->DefineSection(8,-73.0,56.9,58.8);
+ tcms->DefineSection(9,-71.3,56.9,58.8);
+ //
+ TGeoVolume *v7 = new TGeoVolume("TPC_ICVM",tcms,m3);
+ //-----------------------------------------------
+ // inner containment vessel - shaft side
+ //-----------------------------------------------
+ TGeoPcon *tcss = new TGeoPcon(0.,360.,10);
+ //
+ tcss->DefineSection(0,71.3,56.9,58.8);
+ tcss->DefineSection(1,73.0,56.9,58.8);
+ //
+ tcss->DefineSection(2,73.0,56.9,61.2);
+ tcss->DefineSection(3,73.3,56.9,61.2);
+ //
+ tcss->DefineSection(4,73.3,60.1,61.2);
+ tcss->DefineSection(5,74.0,60.1,61.2);
+ //
+ tcss->DefineSection(6,74.0,60.9,61.2);
+ tcss->DefineSection(7,253.6,65.6,65.9);
+ //
+ tcss->DefineSection(8,253.6,65.6,74.2);
+ tcss->DefineSection(9,258.1,65.6,74.2);
+ //
+ TGeoVolume *v8 = new TGeoVolume("TPC_ICVS",tcss,m3);
+ //-----------------------------------------------
+ // Inner field cage
+ // define 4 parts and make an assembly
+ //-----------------------------------------------
+ // part1 - Al - 2 copies
+ 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
+ //
+ 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);
+ //
+ // 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
+ //
+ 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);
+ // 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
+ //
+ TGeoVolume *tv10 = new TGeoVolume("TPC_IFC11",t10,sm2);
+ TGeoVolume *tv11 = new TGeoVolume("TPC_IFC12",t11,sm5);
+ TGeoVolume *tv12 = new TGeoVolume("TPC_IFC13",t12,sm4);
+ //
+ // inner part - positioning
+ //
+ // creating a sandwich
+ tv2->AddNode(tv3,1); tv3->AddNode(tv4,1); tv4->AddNode(tv5,1);
+ //
+ tv6->AddNode(tv7,1); tv7->AddNode(tv8,1); tv8->AddNode(tv9,1);
+ //
+ tv10->AddNode(tv11,1); tv11->AddNode(tv12,1);
+ //
+ TGeoVolumeAssembly *tv100 = new TGeoVolumeAssembly("TPC_IFC");
+ //
+ 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));
+ tv100->AddNode(tv2,2,new TGeoTranslation(0.,0.,177.925));
+ tv100->AddNode(tv1,1,new TGeoTranslation(0.,0.,-252.85));
+ tv100->AddNode(tv1,2,new TGeoTranslation(0.,0.,252.85));
+ //
+ v5->AddNode(v6,1, new TGeoTranslation(0.,0.,-252.1));
+ v5->AddNode(v6,2, new TGeoTranslation(0.,0.,252.1));
+ v1->AddNode(v5,1); v1->AddNode(v7,1); v1->AddNode(v8,1);
+ v9->AddNode(tv100,1);
+ //
+ // central drum
+ //
+ // flange + sandwich
+ //
+ TGeoPcon *cfl = new TGeoPcon(0.,360.,6);
+ 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(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);
+ //
+ TGeoMedium *sm6 = gGeoManager->GetMedium("TPC_Prepreg1");
+ 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
+ //
+ // 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.));
+ //
+ // seal collars
+ TGeoPcon *se = new TGeoPcon(0.,360.,6);
+ se->DefineSection(0,-72.8,59.7,61.2);
+ se->DefineSection(1,-72.3,59.7,61.2);
+ //
+ se->DefineSection(2,-72.3,58.85,61.2);
+ se->DefineSection(3,-71.6,58.85,61.2);
+ //
+ se->DefineSection(4,-71.6,59.7,61.2);
+ se->DefineSection(5,-71.3,59.7,61.2);
+ //
+ TGeoVolume *sev = new TGeoVolume("TPC_CDCE",se,m3);
+ //
+ TGeoTube *si = new TGeoTube(56.9,58.8,1.);
+ TGeoVolume *siv = new TGeoVolume("TPC_CDCI",si,m3);
+ //
+ // define reflection matrix
+ //
+ TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,90.,180.,0.);
+ //
+ cd1v->AddNode(cd2v,1); cd2v->AddNode(cd3v,1); cflv->AddNode(cd1v,1);
+ //
+ 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);
+ 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 thick=1.5; // rib
+ 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
+ //
+ 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(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);
+ TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
+ tr->RegisterYourself();
+ TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
+ TGeoVolume *sv = new TGeoVolume("TPC_WSEG",chamber,m3);
+ TGeoPgon *bar = new TGeoPgon("bar",0.,20.,1,2);
+ bar->DefineSection(0,-3.,131.5-shift,136.5-shift);
+ bar->DefineSection(1,1.5,131.5-shift,136.5-shift);
+ TGeoVolume *barv = new TGeoVolume("TPC_WBAR",bar,m3);
+ TGeoVolumeAssembly *ch = new TGeoVolumeAssembly("TPC_WCH");//empty segment
+ //
+ ch->AddNode(sv,1); ch->AddNode(barv,1,tr);
+ //
+ // readout chambers
+ //
+ // IROC first
+ //
+ TGeoTrd1 *ibody = new TGeoTrd1(13.8742,21.3328,4.29,21.15);
+ TGeoVolume *ibdv = new TGeoVolume("TPC_IROCB",ibody,m3);
+ // empty space
+ TGeoTrd1 *emp = new TGeoTrd1(12.3742,19.8328,3.99,19.65);
+ TGeoVolume *empv = new TGeoVolume("TPC_IROCE",emp,m1);
+ ibdv->AddNode(empv,1,new TGeoTranslation(0.,-0.3,0.));
+ //bars
+ Double_t tga = (19.8328-12.3742)/39.3;
+ Double_t xmin,xmax;
+ xmin = 9.55*tga+12.3742;
+ xmax = 9.95*tga+12.3742;
+ TGeoTrd1 *ib1 = new TGeoTrd1(xmin,xmax,3.29,0.2);
+ TGeoVolume *ib1v = new TGeoVolume("TPC_IRB1",ib1,m3);
+ empv->AddNode(ib1v,1,new TGeoTranslation("tt1",0.,0.7,-9.9));
+ xmin=19.4*tga+12.3742;
+ xmax=19.9*tga+12.3742;
+ TGeoTrd1 *ib2 = new TGeoTrd1(xmin,xmax,3.29,0.25);
+ TGeoVolume *ib2v = new TGeoVolume("TPC_TRB2",ib2,m3);
+ empv->AddNode(ib2v,1,new TGeoTranslation(0.,0.7,0.));
+ xmin=29.35*tga+12.3742;
+ xmax=29.75*tga+12.3742;
+ TGeoTrd1 *ib3 = new TGeoTrd1(xmin,xmax,3.29,0.2);
+ TGeoVolume *ib3v = new TGeoVolume("TPC_IRB3",ib3,m3);
+ empv->AddNode(ib3v,1,new TGeoTranslation(0.,0.7,9.9));
+ //
+ // holes for connectors
+ //
+ 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(fileName.Data(), ios_base::in); // asci file
+ for(Int_t i =0;i<86;i++){
+ Double_t y = 3.99;
+ Double_t x,z,ang;
+ in>>x>>z>>ang;
+ z-=26.5;
+ TGeoRotation *rrr = new TGeoRotation();
+ rrr->RotateY(ang);
+ TGeoCombiTrans *trans = new TGeoCombiTrans("trans",x,y,z,rrr);
+ ibdv->AddNode(connv,i+1,trans);
+ }
+ in.close();
+ // "cap"
+ new TGeoTrd1("icap",14.5974,23.3521,1.19,24.825);
+ // "hole"
+ new TGeoTrd1("ihole",13.8742,21.3328,1.2,21.15);
+ TGeoTranslation *tr1 = new TGeoTranslation("tr1",0.,0.,1.725);
+ tr1->RegisterYourself();
+ TGeoCompositeShape *ic = new TGeoCompositeShape("icap-ihole:tr1");
+ TGeoVolume *icv = new TGeoVolume("TPC_IRCAP",ic,m3);
+ //
+ // 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);
+ TGeoPara *f2 = new TGeoPara(.6,.5,24.825,0.,10.,0.);
+ TGeoVolume *f2v = new TGeoVolume("TPC_IRF2",f2,m4);
+ //
+ TGeoVolumeAssembly *iroc = new TGeoVolumeAssembly("TPC_IROC");
+ //
+ iroc->AddNode(ibdv,1);
+ iroc->AddNode(icv,1,new TGeoTranslation(0.,3.1,-1.725));
+ iroc->AddNode(ppv,1,new TGeoTranslation(0.,4.59,-1.725));
+ tga =(23.3521-14.5974)/49.65;
+ Double_t xx = 24.825*tga+14.5974-0.6;
+ iroc->AddNode(f1v,1,new TGeoTranslation(-xx,5.39,-1.725));
+ iroc->AddNode(f2v,1,new TGeoTranslation(xx,5.39,-1.725));
+ //
+ // OROC
+ //
+ TGeoTrd1 *obody = new TGeoTrd1(22.2938,40.5084,4.19,51.65);
+ TGeoVolume *obdv = new TGeoVolume("TPC_OROCB",obody,m3);
+ TGeoTrd1 *oemp = new TGeoTrd1(20.2938,38.5084,3.89,49.65);
+ TGeoVolume *oempv = new TGeoVolume("TPC_OROCE",oemp,m1);
+ obdv->AddNode(oempv,1,new TGeoTranslation(0.,-0.3,0.));
+ //horizontal bars
+ tga=(38.5084-20.2938)/99.3;
+ xmin=tga*10.2+20.2938;
+ xmax=tga*10.6+20.2938;
+ TGeoTrd1 *ob1 = new TGeoTrd1(xmin,xmax,2.915,0.2);
+ TGeoVolume *ob1v = new TGeoVolume("TPC_ORB1",ob1,m3);
+ //
+ xmin=22.55*tga+20.2938;
+ xmax=24.15*tga+20.2938;
+ TGeoTrd1 *ob2 = new TGeoTrd1(xmin,xmax,2.915,0.8);
+ TGeoVolume *ob2v = new TGeoVolume("TPC_ORB2",ob2,m3);
+ //
+ xmin=36.1*tga+20.2938;
+ xmax=36.5*tga+20.2938;
+ TGeoTrd1 *ob3 = new TGeoTrd1(xmin,xmax,2.915,0.2);
+ TGeoVolume *ob3v = new TGeoVolume("TPC_ORB3",ob3,m3);
+ //
+ xmin=49.0*tga+20.2938;
+ xmax=50.6*tga+20.2938;
+ TGeoTrd1 *ob4 = new TGeoTrd1(xmin,xmax,2.915,0.8);
+ TGeoVolume *ob4v = new TGeoVolume("TPC_ORB4",ob4,m3);
+ //
+ xmin=63.6*tga+20.2938;
+ xmax=64.0*tga+20.2938;
+ TGeoTrd1 *ob5 = new TGeoTrd1(xmin,xmax,2.915,0.2);
+ TGeoVolume *ob5v = new TGeoVolume("TPC_ORB5",ob5,m3);
+ //
+ xmin=75.5*tga+20.2938;
+ xmax=77.15*tga+20.2938;
+ TGeoTrd1 *ob6 = new TGeoTrd1(xmin,xmax,2.915,0.8);
+ TGeoVolume *ob6v = new TGeoVolume("TPC_ORB6",ob6,m3);
+ //
+ xmin=88.7*tga+20.2938;
+ xmax=89.1*tga+20.2938;
+ TGeoTrd1 *ob7 = new TGeoTrd1(xmin,xmax,2.915,0.2);
+ TGeoVolume *ob7v = new TGeoVolume("TPC_ORB7",ob7,m3);
+ //
+ oempv->AddNode(ob1v,1,new TGeoTranslation(0.,0.975,-39.25));
+ oempv->AddNode(ob2v,1,new TGeoTranslation(0.,0.975,-26.3));
+ oempv->AddNode(ob3v,1,new TGeoTranslation(0.,0.975,-13.35));
+ oempv->AddNode(ob4v,1,new TGeoTranslation(0.,0.975,0.15));
+ oempv->AddNode(ob5v,1,new TGeoTranslation(0.,0.975,14.15));
+ oempv->AddNode(ob6v,1,new TGeoTranslation(0.,0.975,26.7));
+ oempv->AddNode(ob7v,1,new TGeoTranslation(0.,0.975,39.25));
+ // vertical bars
+ TGeoBBox *ob8 = new TGeoBBox(0.8,2.915,5.1);
+ TGeoBBox *ob9 = new TGeoBBox(0.8,2.915,5.975);
+ TGeoBBox *ob10 = new TGeoBBox(0.8,2.915,5.775);
+ TGeoBBox *ob11 = new TGeoBBox(0.8,2.915,6.25);
+ TGeoBBox *ob12 = new TGeoBBox(0.8,2.915,6.5);
+ //
+ TGeoVolume *ob8v = new TGeoVolume("TPC_ORB8",ob8,m3);
+ TGeoVolume *ob9v = new TGeoVolume("TPC_ORB9",ob9,m3);
+ TGeoVolume *ob10v = new TGeoVolume("TPC_ORB10",ob10,m3);
+ TGeoVolume *ob11v = new TGeoVolume("TPC_ORB11",ob11,m3);
+ TGeoVolume *ob12v = new TGeoVolume("TPC_ORB12",ob12,m3);
+ //
+ oempv->AddNode(ob8v,1,new TGeoTranslation(0.,0.975,-44.55));
+ oempv->AddNode(ob8v,2,new TGeoTranslation(0.,0.975,44.55));
+ oempv->AddNode(ob9v,1,new TGeoTranslation(0.,0.975,-33.075));
+ oempv->AddNode(ob9v,2,new TGeoTranslation(0.,0.975,-19.525));
+ oempv->AddNode(ob10v,1,new TGeoTranslation(0.,0.975,20.125));
+ oempv->AddNode(ob10v,2,new TGeoTranslation(0.,0.975,33.275));
+ oempv->AddNode(ob11v,1,new TGeoTranslation(0.,0.975,-6.9));
+ oempv->AddNode(ob12v,1,new TGeoTranslation(0.,0.975,7.45));
+ //
+ // holes for connectors
+ //
+ fileName = gSystem->Getenv("ALICE_ROOT");
+ fileName += "/TPC/conn_oroc.dat";
+ in.open(fileName.Data(), ios_base::in); // asci file
+ for(Int_t i =0;i<78;i++){
+ Double_t y =3.89;
+ Double_t x,z,ang;
+ Double_t x1,z1,x2,z2;
+ in>>x>>z>>ang;
+ Double_t xr = 4.7*TMath::Sin(ang*TMath::DegToRad());
+ Double_t zr = 4.7*TMath::Cos(ang*TMath::DegToRad());
+ //
+ x1=xr+x; x2=-xr+x; z1=zr+z; z2 = -zr+z;
+ //
+ TGeoRotation *rr = new TGeoRotation();
+ rr->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);
+ }
+ in.close();
+ // cap
+ new TGeoTrd1("ocap",23.3874,43.5239,1.09,57.1);
+ new TGeoTrd1("ohole",22.2938,40.5084,1.09,51.65);
+ TGeoTranslation *tr5 = new TGeoTranslation("tr5",0.,0.,-2.15);
+ tr5->RegisterYourself();
+ TGeoCompositeShape *oc = new TGeoCompositeShape("ocap-ohole:tr5");
+ TGeoVolume *ocv = new TGeoVolume("TPC_ORCAP",oc,m3);
+ //
+ // pad plane and wire fixations
+ //
+ TGeoTrd1 *opp = new TGeoTrd1(23.3874,43.5239,0.3,57.1);
+ TGeoVolume *oppv = new TGeoVolume("TPC_ORPP",opp,m4);
+ //
+ tga=(43.5239-23.3874)/114.2;
+ TGeoPara *f3 = new TGeoPara(.7,.6,57.1,0.,-10.,0.);
+ TGeoPara *f4 = new TGeoPara(.7,.6,57.1,0.,10.,0.);
+ xx = 57.1*tga+23.3874-0.7;
+ TGeoVolume *f3v = new TGeoVolume("TPC_ORF1",f3,m4);
+ TGeoVolume *f4v = new TGeoVolume("TPC_ORF2",f4,m4);
+ //
+ TGeoVolumeAssembly *oroc = new TGeoVolumeAssembly("TPC_OROC");
+ //
+ oroc->AddNode(obdv,1);
+ oroc->AddNode(ocv,1,new TGeoTranslation(0.,3.1,2.15));
+ oroc->AddNode(oppv,1,new TGeoTranslation(0.,4.49,2.15));
+ oroc->AddNode(f3v,1,new TGeoTranslation(-xx,5.39,2.15));
+ oroc->AddNode(f4v,1,new TGeoTranslation(xx,5.39,2.15));
+ //
+ // now iroc and oroc are placed into a sector...
+ //
+ 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.);
+ TGeoRotation *rot = new TGeoRotation("rot");
+ *rot=rot1*rot2;
+ //
+ Double_t x0,y0;
+ x0=110.2*TMath::Cos(openingAngle);
+ y0=110.2*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //a-side
+ TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //c-side
+ x0=188.45*TMath::Cos(openingAngle);
+ y0=188.45*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //a-side
+ TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //c-side
+ //
+ //
+ // A-side
+ //
+ secta->AddNode(ch,1);
+ secta->AddNode(iroc,1,combi1a);
+ secta->AddNode(oroc,1,combi2a);
+ //
+ // C-side
+ //
+ sectc->AddNode(ch,1);
+ sectc->AddNode(iroc,1,combi1c);
+ sectc->AddNode(oroc,1,combi2c);
+ //
+ // now I try to make wheels...
+ //
+ TGeoVolumeAssembly *wheela = new TGeoVolumeAssembly("TPC_ENDCAP");
+ TGeoVolumeAssembly *wheelc = new TGeoVolumeAssembly("TPC_ENDCAP");
+ //
+ for(Int_t i =0;i<18;i++){
+ Double_t phi = (20.*i);
+ TGeoRotation *r = new TGeoRotation();
+ r->RotateZ(phi);
+ wheela->AddNode(secta,i+1,r);
+ wheelc->AddNode(sectc,i+1,r);
- for (i = 0; i < 6; ++i) {
- if (fSecLows[i] > 0 && fSecLows[i] <25) {
- ifl1 = 1;
- printf("*** SECTOR %d selected\n",fSecLows[i]);
- }
- }
+ }
+ // wheels in the drift volume!
- } else {
- printf("*** ALL LOWER SECTORS SELECTED ***\n");
- ifl1 = 1;
- }
+ TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
+ v9->AddNode(wheela,1,combi3);
+ v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
+ //_____________________________________________________________
+ // service support wheel
+ //_____________________________________________________________
+ TGeoPgon *sw = new TGeoPgon(0.,20.,1,2);
+ sw->DefineSection(0,-4.,80.5,251.75);
+ sw->DefineSection(1,4.,80.5,251.75);
+ TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
+ //
+ thick=1.;
+ 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
+ //
+ 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);
+ co->DefineSection(0,-0.5,77.,255.25);
+ co->DefineSection(1,0.5,77.,255.25);
+ 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);
+ 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);
+ cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
+ //
+ // Sector as an Assembly
+ //
+ TGeoVolumeAssembly *swhs = new TGeoVolumeAssembly("TPC_SSWSEC");
+ swhs->AddNode(swv,1);
+ swhs->AddNode(cov,1,new TGeoTranslation(0.,0.,-4.5));
+ swhs->AddNode(cov,2,new TGeoTranslation(0.,0.,4.5));
+ //
+ // SSW as an Assembly of sectors
+ //
+ 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);
+ }
+ v1->AddNode(swheel,1,new TGeoTranslation(0.,0.,-284.6));
+ v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
- if (fSecAU >= 0) {
- ifl2 = 0;
-
- for (i = 0; i < 12; ++i) {
- if (fSecUps[i] > 24 && fSecUps[i] < 73) {
- ifl2 = 1;
- printf("*** SECTOR %d selected\n",fSecUps[i]);
- }
- }
-
- } else {
- printf("*** ALL UPPER SECTORS SELECTED ***\n");
- ifl1 = 1;
- }
-
- if (ifl1 == 0 && ifl2 == 0) {
- printf("*** ERROR: AT LEAST ONE SECTOR MUST BE SPECIFIED ***\n");
- printf("!!! PROGRAM STOPPED !!!\n");
- exit(1);
- }
-
- if ((fSecAL < 0 || fSecAU < 0) && fSens >= 0) {
- printf("** ERROR: STRIPS CANNOT BE SPECIFIED FOR ALL SECTORS **\n");
- printf("!!! PROGRAM STOPPED !!!\n");
- exit(1);
- }
- // ----------------------------------------------------
- // FIELD CAGE WITH ENDCAPS - CARBON FIBER
- // THIS IS ALSO A TPC MOTHER VOLUME
- // ----------------------------------------------------
- dm[0] = 76.;
- dm[1] = 278.;
- dm[2] = 275.;
-
- gMC->Gsvolu("TPC ", "TUBE", idtmed[407], dm, 3);
- // -------------------------------------------------------
- // drift gas Ne/CO2 (90/10 volume) - nonsensitive
- // field cage thickness = 0.52% X0
- // ----------------------------------------------------
- dm[0] = 76.+0.09776;
- dm[1] = 257.;
- dm[2] = 250.;
-
- gMC->Gsvolu("TGAS", "TUBE", idtmed[402], dm, 3);
- // ------------------------------------------------------
- // "side" gas volume (the same as drift gas),
- // here the readout chambers are positioned
- // ------------------------------------------------------
- dm[2] = 0.5*(275.-250.);
- z_side = dm[2];
-
- gMC->Gsvolu("TPSG", "TUBE", idtmed[401], dm, 3);
- // ------------------------------------------------------
- // HV midplane - 20 microns of mylar
- // -----------------------------------------------------
- dm[2] = .001;
-
- gMC->Gsvolu("TPHV", "TUBE", idtmed[405], dm, 3);
-
- // ====================================================
- // lower and upper readout chambers
- // ====================================================
- // sectros opening angles in degrees
- // ---------------------------------------------------
- opl = 30.;
- opu = 15.;
- thl = TMath::Tan(opl * .5 * kDegrad);
- thu = TMath::Tan(opu * .5 * kDegrad);
- // ---------------------------------------------------
- // S and L-sectors radii
- // ---------------------------------------------------
- rssl = 88.;
- rssu = 136.;
- rlsl = 142.;
- rlsu = 250.;
- // --------------------------------------------------
- // Sectors widths
- // --------------------------------------------------
- wssl = 46.5;
- wssu = 72.2;
- wlsl = 37.;
- wlsu = 65.4;
- // ---------------------------------------------------
- // Sector thickness 25% of X0 (Al)
- // ---------------------------------------------------
- sec_thick = 2.225;
- // ---------------------------------------------------
- // S-sectors (lower sectors)
- // ---------------------------------------------------
- dm[0] = wssl * .5;
- dm[1] = wssu * .5;
- dm[2] = sec_thick * .5;
- dm[3] = (rssu - rssl) * .5;
-
- x0l = rssl + dm[3];
+ // sensitive strips - strip "0" is always set
+ // conditional
+ Int_t totrows;
+ totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp();
+ Double_t *upar;
+ upar=NULL;
+ gGeoManager->Volume("TPC_Strip","PGON",m5->GetId(),upar);
+ upar=new Double_t [10];
+ upar[0]=0.;
+ upar[1]=360.;
+ upar[2]=18.;
+ upar[3]=2.;
+ //
+ upar[4]=-124.8;
+ upar[7]=124.8;
+
+ Double_t rlow=fTPCParam->GetPadRowRadiiLow(0);
+
+ upar[5]=rlow;
+ upar[6]=rlow+.01;
+ upar[8]=upar[5];
+ upar[9]=upar[6];
+ //
+ gGeoManager->Node("TPC_Strip",1,"TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
+ gGeoManager->Node("TPC_Strip",totrows+1,
+ "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
+ //
+ // now, strips optionally
+ //
+ if(fSens){
+ //lower sectors
+ for(Int_t i=2;i<fTPCParam->GetNRowLow()+1;i++){
+ rlow=fTPCParam->GetPadRowRadiiLow(i-1);
+ upar[5]=rlow;
+ upar[6]=rlow+.01;
+ upar[8]=upar[5];
+ upar[9]=upar[6];
+ gGeoManager->Node("TPC_Strip",i,
+ "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
+ gGeoManager->Node("TPC_Strip",totrows+i,
+ "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
+ }
+ //upper sectors
+ for(Int_t i=1;i<fTPCParam->GetNRowUp()+1;i++){
+ rlow=fTPCParam->GetPadRowRadiiUp(i-1);
+ upar[5]=rlow;
+ upar[6]=rlow+.01;
+ upar[8]=upar[5];
+ upar[9]=upar[6];
+ gGeoManager->Node("TPC_Strip",i+fTPCParam->GetNRowLow(),
+ "TPC_Drift",0.,0.,124.82,0,kTRUE,upar,10);
+ gGeoManager->Node("TPC_Strip",totrows+i+fTPCParam->GetNRowLow(),
+ "TPC_Drift",0.,0.,-124.82,0,kTRUE,upar,10);
+ }
+ }//strips
+ //----------------------------------------------------------
+ // 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;
- gMC->Gsvolu("TRCS", "TRD1", idtmed[399], dm, 4);
- // -----------------------------------------------------
- // S-sectors --> "gas sectors" - sensitive
- // -----------------------------------------------------
- dm[2] = (250.-0.001)/2.;
- gMC->Gsvolu("TSGA", "TRD1", idtmed[403], dm, 4);
- // -------------------------------------------------------------
- // Only for the debugging purpose and resolution calculation
- // Sensitive strips at the pad-row center
- // -------------------------------------------------------------
- if (fSens >= 0) {
- gMC->Gsvolu("TSST", "TRD1", idtmed[403], dm, 0);
- dm[3] = .005;
+ //
+ //HV rods - makrolon + 0.58cm (diameter) Cu
+ TGeoTube *hvr = new TGeoTube(0.,2.2,126.64);
+ TGeoTube *hvc = new TGeoTube(0.,0.29,126.64);
+ //
+ TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
+ TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
+ hvrv->AddNode(hvcv,1);
- z0 = rssl + (rssu - rssl) * .5;
-
- for (iss = 0; iss < fTPCParam->GetNRowLow(); ++iss) {
- r1 = fTPCParam->GetPadRowRadiiLow(iss);
- r2 = r1 + dm[3] * 2.;
- dm[0] = r1 * thl - 2.63;
- dm[1] = r2 * thl - 2.63;
-
- zz = -z0 + r1 +dm[3];
-
- gMC->Gsposp("TSST", iss+1, "TSGA", 0, 0, zz, 0, "ONLY", dm, 4);
+ for(Int_t i=0;i<18;i++){
+ Double_t angle,x,y;
+ Double_t z,r;
+ angle=TMath::DegToRad()*20.*(Double_t)i;
+ 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+19,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
}
- gMC->Gsord("TSGA", 3);
+ 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+37,"TPC_Drift",x,y,z,0,kTRUE,upar,3);
+ gGeoManager->Node("TPC_Rod",i+55,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
}
- // ---------------------------------------------------
- // L-sectors (upper sectors)
- // ---------------------------------------------------
- dm[0] = wlsl * .5;
- dm[1] = wlsu * .5;
- dm[2] = sec_thick * .5;
- dm[3] = (rlsu - rlsl) * .5;
+
+ TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
+ alice->AddNode(v1,1);
- x0u = rlsl + dm[3];
+} // end of function
+
+//_____________________________________________________________________________
+void AliTPCv2::AddAlignableVolumes() const
+{
+ //
+ // 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.
+ //
+ SetInnerChambersAlignable();
+ SetOuterChambersAlignable();
+}
+
+//_____________________________________________________________________________
+void AliTPCv2::SetInnerChambersAlignable() const
+{
+ //
+ Int_t 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;
- gMC->Gsvolu("TRCL", "TRD1", idtmed[399], dm, 4);
- // -----------------------------------------------------
- // L-sectors - "gas sectors" - sensitive!
- // -----------------------------------------------------
- dm[2] = (250.-0.001)/2.;
- gMC->Gsvolu("TLGA", "TRD1", idtmed[403], dm, 4);
- // -------------------------------------------------------------
- // Only for the debugging purpose and resolution calculation
- // Sensitive strips at the pad-row center
- // -------------------------------------------------------------
- if (fSens >= 0) {
- gMC->Gsvolu("TLST", "TRD1", idtmed[403], dm, 0);
-
- dm[3] = .005;
-
- z0 = rlsl+ (rlsu - rlsl) * .5;
-
- for (ils = 0; ils <fTPCParam->GetNRowUp(); ++ils) {
- r1 = fTPCParam->GetPadRowRadiiUp(ils);
- r2 = r1 + dm[3] * 2.;
- dm[0] = r1 * thu - 2.63;
- dm[1] = r2 * thu - 2.63;
-
- zz = -z0 + r1 +dm[3];
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ volpath = vpstr1;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr1;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ //
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data());
+ const char *path = alignableEntry->GetTitle();
+ if (!gGeoManager->cd(path))
+ AliFatal(Form("Volume path %s not valid!",path));
+ TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ modnum++;
+ }
- gMC->Gsposp("TLST", ils+1, "TLGA", 0, 0, zz, 0, "ONLY", dm, 4);
- }
- gMC->Gsord("TLGA", 3);
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ volpath = vpstr2;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr2;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data());
+ const char *path = alignableEntry->GetTitle();
+ if (!gGeoManager->cd(path))
+ AliFatal(Form("Volume path %s not valid!",path));
+ TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,18+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ modnum++;
}
- // ******************************************************
- // ------------------------------------------------
- // positioning of lower sectors (1-12)*2
- // rotation matrices 1-12
+}
+
+//_____________________________________________________________________________
+void AliTPCv2::SetOuterChambersAlignable() const
+{
+ //
+ Int_t 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;
- // the isec_al flag allows to select all (<0) or
- // only a few (up to 6) sectors
- // ------------------------------------------------
- z = (250.+0.001)/2.;
- z1 = -z_side + sec_thick * .5;
-
- for (il = 1; il <= 12; ++il) {
- phi1 = (il - 1) * opl + 270.;
- if (phi1 > 360.) {
- phi1 += -360.;
- }
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = (il - 1) * opl;
- theta3 = 90.;
-
- idr = il;
- AliMatrix(idrotm[idr], theta1, phi1, theta2, phi2, theta3, phi3);
-
- alpha = (il - 1) * opl * kDegrad;
- x = x0l * TMath::Cos(alpha);
- y = x0l * TMath::Sin(alpha);
-
- if (fSecAL < 0) {
- // -----------------------------------------------------------
- // position ALL lower sectors
- // -----------------------------------------------------------
- gMC->Gspos("TSGA", il, "TGAS", x, y, z, idrotm[idr], "ONLY");
- gMC->Gspos("TSGA",il+12 , "TGAS", x, y, -z, idrotm[idr], "ONLY");
- } else {
- // -----------------------------------------------------------
- // position selected lower sectors
- // -----------------------------------------------------------
- for (isll = 1; isll <= 6; ++isll) {
- if (fSecLows[isll - 1] == il) {
- gMC->Gspos("TSGA", il, "TGAS", x, y, z, idrotm[idr], "ONLY");
- } else if (fSecLows[isll - 1] == il + 12) {
- gMC->Gspos("TSGA",il+12 , "TGAS", x, y, -z, idrotm[idr],"ONLY");
- }
- }
- }
-
- gMC->Gspos("TRCS", il, "TPSG", x, y, z1, idrotm[idr], "ONLY");
-
- }
- // ----------------------------------------------------
- // positioning of upper sectors (1-24)*2
- // rotation matrices 13-36
- // the isec_au flag allows to select all (<0) or
- // only a few (up to 12) sectors
- // ----------------------------------------------------
- for (iu = 1; iu <= 24; ++iu) {
- phi1 = (iu - 1) * opu + 270.;
- if (phi1 > 360.) {
- phi1 += -360.;
- }
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = (iu - 1) * opu;
- theta3 = 90.;
-
- idr = iu + 12;
- AliMatrix(idrotm[idr], theta1, phi1, theta2, phi2, theta3, phi3);
-
- alpha = (iu - 1) * opu * kDegrad;
- x = x0u * TMath::Cos(alpha);
- y = x0u * TMath::Sin(alpha);
-
- if (fSecAU < 0) {
- // -------------------------------------------------------------
- // position ALL upper sectors
- // -------------------------------------------------------------
- gMC->Gspos("TLGA", iu, "TGAS", x, y, z, idrotm[idr], "ONLY");
- gMC->Gspos("TLGA",iu+24 , "TGAS", x, y, -z, idrotm[idr], "ONLY");
- } else {
- // -------------------------------------------------------------
- // position selected upper sectors
- // -------------------------------------------------------------
- for (isll = 1; isll <= 12; ++isll) {
- if (fSecUps[isll - 1] == iu + 24) {
- gMC->Gspos("TLGA", iu, "TGAS", x, y, z, idrotm[idr], "ONLY");
- } else if (fSecUps[isll - 1] == iu + 48) {
- gMC->Gspos("TLGA",iu+24 , "TGAS", x, y, -z, idrotm[idr],"ONLY");
- }
- }
- }
-
- gMC->Gspos("TRCL", iu, "TPSG", x, y, z1, idrotm[idr], "ONLY");
- }
- // --------------------------------------------------------
- // Spoke wheel structures
- // --------------------------------------------------------
- gMC->Gsvolu("TSWS", "TUBE", idtmed[399], dm, 0);
-
- z0 = -z_side + 2.;
-
- dm[0] = 82.;
- dm[1] = 86.;
- dm[2] = 1.;
-
- gMC->Gsposp("TSWS", 1, "TPSG", 0, 0, z0, 0, "ONLY", dm, 3);
-
- dm[0] = 253.;
- dm[1] = 257.;
-
- gMC->Gsposp("TSWS", 2, "TPSG", 0, 0, z0, 0, "ONLY", dm, 3);
-
- dm[0] = 140.9;
- dm[1] = 141.9;
-
- gMC->Gsposp("TSWS", 3, "TPSG", 0, 0, z0, 0, "ONLY", dm, 3);
-
- // -------------------------------------------------------
- // this volumes are to avoid overlaping
- // -------------------------------------------------------
- z0 = 253.;
-
- dm[0] = 76.;
- dm[1] = 76.+0.09776;
-
- gMC->Gsposp("TSWS", 4, "TPC ", 0, 0, z0, 0, "ONLY", dm, 3);
- gMC->Gsposp("TSWS", 5, "TPC ", 0, 0, -z0, 0, "ONLY", dm, 3);
-
- z0 += 21.;
-
- gMC->Gsposp("TSWS", 6, "TPC ", 0, 0, z0, 0, "ONLY", dm, 3);
- gMC->Gsposp("TSWS", 7, "TPC ", 0, 0, -z0, 0, "ONLY", dm, 3);
-
- dm[0] = 257.;
- dm[1] = 257.+0.09776;
- dm[2] = 11.5;
-
- z0 = 263.5;
-
- gMC->Gsposp("TSWS", 8, "TPC ", 0, 0, z0, 0, "ONLY", dm, 3);
- gMC->Gsposp("TSWS", 9, "TPC ", 0, 0, -z0, 0, "ONLY", dm, 3);
- // ==========================================================
- // wheels
- // ==========================================================
- // ----------------------------------------------------------
- // Large wheel -> positioned in the TPC
- // ----------------------------------------------------------
- dm[0] = 257.+0.09776;
- dm[1] = 278.;
- dm[2] = 11.5;
- gMC->Gsvolu("TPW1", "TUBE", idtmed[399], dm, 3);
-
- dm[0] = 259.;
- dm[1] = 278.;
- dm[2] = 9.5;
-
- gMC->Gsvolu("TPW2", "TUBE", idtmed[498], dm, 3);
-
- gMC->Gspos("TPW2", 1, "TPW1", 0, 0, 0, 0, "ONLY");
-
- gMC->Gspos("TPW1", 1, "TPC ", 0, 0, z0, 0, "ONLY");
- gMC->Gspos("TPW1", 2, "TPC ", 0, 0, -z0, 0, "ONLY");
- // -----------------------------------------------------------
- // Small wheel -> positioned in the TPSG
- // -----------------------------------------------------------
- dm[0] = 76.+0.09776;
- dm[1] = 82.;
- dm[2] = 11.5;
-
- gMC->Gsvolu("TPW3", "TUBE", idtmed[399], dm, 3);
-
- dm[0] = 76.+0.09776;
- dm[1] = 80.;
- dm[2] = 9.5;
-
- gMC->Gsvolu("TPW4", "TUBE", idtmed[401], dm, 3);
-
- gMC->Gspos("TPW4", 1, "TPW3", 0, 0, 0, 0, "ONLY");
-
- z0 = 1.;
-
- gMC->Gspos("TPW3", 1, "TPSG", 0, 0, z0, 0, "ONLY");
- // ---------------------------------------------------------
- // spokes, inner and outer, also the inner ring
- // ---------------------------------------------------------
- dm[0] = 0.5*(135.9-82.1);
- dm[1] = 3.;
- dm[2] = 2.;
-
- x1 = dm[0] + 82.;
-
- gMC->Gsvolu("TSPI", "BOX ", idtmed[399], dm, 3);
-
- dm[1] = 2.;
- dm[2] = 1.;
-
- gMC->Gsvolu("TSP1", "BOX ", idtmed[498], dm, 3);
-
- gMC->Gspos("TSP1", 1, "TSPI", 0, 0, 0, 0, "ONLY");
-
- dm[0] = 0.5*(256.9-142.1);
- dm[1] = 3.;
- dm[2] = 2.;
-
- x2 = dm[0] + 142.;
-
- gMC->Gsvolu("TSPO", "BOX ", idtmed[399], dm, 3);
-
- dm[1] = 2.;
- dm[2] = 1.;
-
- gMC->Gsvolu("TSP2", "BOX ", idtmed[498], dm, 3);
-
- gMC->Gspos("TSP2", 1, "TSPO", 0, 0, 0, 0, "ONLY");
- // --------------------------------------------------------
- dm[0] = 136.;
- dm[1] = 142.;
- dm[2] = 2.;
-
- gMC->Gsvolu("TSWH", "TUBE", idtmed[399], dm, 3);
-
- dm[0] = 137.;
- dm[1] = 141.;
- dm[2] = 1.;
-
- gMC->Gsvolu("TSW1", "TUBE", idtmed[498], dm, 3);
-
- gMC->Gspos("TSW1", 1, "TSWH", 0, 0, 0, 0, "ONLY");
-
- z0 = z_side - .16168 - 2.;
- // --------------------------------------------------------
- gMC->Gspos("TSWH", 1, "TPSG", 0, 0, z0, 0, "ONLY");
- // -------------------------------------------------------
- // posiioning of the inner spokes
- // -------------------------------------------------------
- for (il = 1; il <= 6; ++il) {
- phi1 = opl * .5 + (il - 1) * 2. * opl;
- theta1 = 90.;
- phi2 = opl * .5 + 90. + (il - 1) * 2. * opl;
- if (phi2 > 360.) {
- phi2 += -360.;
- }
- theta2 = 90.;
- phi3 = 0.;
- theta3 = 0.;
-
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
-
- idr = il + 36;
-
- AliMatrix(idrotm[idr], theta1, phi1, theta2, phi2, theta3, phi3);
- gMC->Gspos("TSPI", il, "TPSG", x, y, z0, idrotm[idr], "ONLY");
-
- }
-
- for (iu = 1; iu <= 12; ++iu) {
- phi1 = opu * .5 + (iu - 1) * 2. * opu;
- theta1 = 90.;
- phi2 = opu * .5 + 90. + (iu - 1) * 2. * opu;
- if (phi2 > 360.) {
- phi2 += -360.;
- }
- theta2 = 90.;
- phi3 = 0.;
- theta3 = 0.;
-
- alpha = phi1 * kDegrad;
- x = x2 * TMath::Cos(alpha);
- y = x2 * TMath::Sin(alpha);
-
- idr = iu + 42;
-
- AliMatrix(idrotm[idr], theta1, phi1, theta2, phi2, theta3, phi3);
- gMC->Gspos("TSPO", iu, "TPSG", x, y, z0, idrotm[idr], "ONLY");
- }
- // --------------------------------------------------------
- // endcap cover (C, 0.86% X0)
- // --------------------------------------------------------
- dm[0] = 76.+0.09776;
- dm[1] = 257.;
- dm[2] = 0.16168*0.5;
-
- gMC->Gsvolu("TCOV", "TUBE", idtmed[407], dm, 3);
-
- z0 = z_side - dm[2];
-
- gMC->Gspos("TCOV", 1, "TPSG", 0, 0, z0, 0, "ONLY");
- // --------------------------------------------------------
- // put the readout chambers into the TPC
- // --------------------------------------------------------
- theta1 = 90.;
- phi1 = 0.;
- theta2 = 90.;
- phi2 = 270.;
- theta3 = 180.;
- phi3 = 0.;
-
- AliMatrix(idrotm[55], theta1, phi1, theta2, phi2, theta3, phi3);
-
- z0 = z_side + 250.;
-
- gMC->Gspos("TPSG", 1, "TPC ", 0, 0, z0, 0, "ONLY");
- gMC->Gspos("TPSG", 2, "TPC ", 0, 0, -z0, idrotm[55], "ONLY");
- // ---------------------------------------------------------
- // outer gas insulation (CO2)
- // ---------------------------------------------------------
- dm[0] = 257.+0.09776;
- dm[1] = 278.-0.25004;
- dm[2] = 275.-23.;
-
- gMC->Gsvolu("TPOI", "TUBE", idtmed[406], dm, 3);
-
- gMC->Gspos("TPHV", 1, "TGAS", 0, 0, 0, 0, "ONLY");
- gMC->Gspos("TGAS", 1, "TPC ", 0, 0, 0, 0, "ONLY");
- gMC->Gspos("TPOI", 1, "TPC ", 0, 0, 0, 0, "ONLY");
-
- gMC->Gspos("TPC ", 1, "ALIC", 0, 0, 0, 0, "ONLY");
- // ======================================================
- // all volumes below are positioned in ALIC
- // ======================================================
- // ------------------------------------------------------
- // the last parts of the smaller wheel (TSWS)
- // ------------------------------------------------------
- dm[0] = 74.;
- dm[1] = 76.;
- dm[2] = 1.;
-
- z0 = 253.;
-
- gMC->Gsposp("TSWS", 10, "TPC ", 0, 0, z0, 0, "ONLY", dm, 3);
- gMC->Gsposp("TSWS", 11, "TPC ", 0, 0, -z0, 0, "ONLY", dm, 3);
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ volpath = vpstr1;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr1;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data());
+ const char *path = alignableEntry->GetTitle();
+ if (!gGeoManager->cd(path))
+ AliFatal(Form("Volume path %s not valid!",path));
+ TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ modnum++;
+ }
- dm[0] = 70.;
-
- z0 += 21.;
-
- gMC->Gsposp("TSWS", 12, "TPC ", 0, 0, z0, 0, "ONLY", dm, 3);
- gMC->Gsposp("TSWS", 13, "TPC ", 0, 0, -z0, 0, "ONLY", dm, 3);
- // ----------------------------------------------------
- // Inner vessel (PCON)
- // This volume is to be positioned directly in ALIC
- // ----------------------------------------------------
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 4.;
-
- dm[3] = -250.;
- dm[4] = 75.;
- dm[5] = 76.;
-
- dm[6] = -64.5;
- dm[7] = 50.;
- dm[8] = 76.;
-
- dm[9] = 64.5;
- dm[10] = 50.;
- dm[11] = 76.;
-
- dm[12] = 250.;
- dm[13] = 75.;
- dm[14] = 76.;
-
- gMC->Gsvolu("TPIV", "PCON", idtmed[407], dm, 15);
- // --------------------------------------------------------
- // fill the inner vessel with CO2, (HV kDegrader)
- // cone parts have different thickness
- // than the central barrel, according to the TP
- // --------------------------------------------------------
- tana = 75./185.5;
-
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 6.;
-
- dm[3] = -(250.-0.2162);
- dm[4] = (185.5-0.2126)*tana+0.2126;
- dm[5] = 76-0.001;
-
- dm[6] = -64.5;
- dm[7] = 50.+0.2162;
- dm[8] = 76-0.001;
-
- dm[9] = -64.5;
- dm[10] = 50+0.05076;
- dm[11] = 76-0.001;
-
- dm[12] = 64.5;
- dm[13] = 50+0.05076;
- dm[14] = 76-0.001;
-
- dm[15] = 64.5;
- dm[16] = 50.+0.2162;
- dm[17] = 76-0.001;
-
- dm[18] = (250.-0.2162);
- dm[19] = (185.5-0.2126)*tana+0.2126;
- dm[20] = 76-0.001;
-
- gMC->Gsvolu("TPVD", "PCON", idtmed[406], dm, 21);
-
- gMC->Gspos("TPVD", 1, "TPIV", 0, 0, 0, 0, "ONLY");
-
- gMC->Gspos("TPIV", 1, "ALIC", 0, 0, 0, 0, "ONLY");
- // ---------------------------------------------------
- // volumes ordering
- // ---------------------------------------------------
- gMC->Gsord("TGAS", 6);
- gMC->Gsord("TPSG", 6);
+ for(Int_t cnt=1; cnt<=18; cnt++){
+ volpath = vpstr2;
+ volpath += cnt;
+ volpath += vpappend;
+ symname = snstr2;
+ symname += cnt;
+ symname += snappend;
+ if(!gGeoManager->SetAlignableEntry(symname.Data(),volpath.Data()))
+ AliFatal(Form("Alignable entry %s not created. Volume path %s not valid", symname.Data(),volpath.Data()));
+ TGeoPNEntry *alignableEntry = gGeoManager->GetAlignableEntry(symname.Data());
+ const char *path = alignableEntry->GetTitle();
+ if (!gGeoManager->cd(path))
+ AliFatal(Form("Volume path %s not valid!",path));
+ TGeoHMatrix* globMatrix = gGeoManager->GetCurrentMatrix();
+ TGeoHMatrix* matTtoL = fTPCParam->Tracking2LocalMatrix(globMatrix,36+18+cnt-1);
+ alignableEntry->SetMatrix(matTtoL);
+ modnum++;
+ }
}
-
+
//_____________________________________________________________________________
-void AliTPCv2::DrawDetector()
+void AliTPCv2::DrawDetector() const
{
//
// Draw a shaded view of the Time Projection Chamber version 1
gMC->Gsatt("ALIC","SEEN",0);
//
// Set the volumes visible
- gMC->Gsatt("TPC","SEEN",0);
- gMC->Gsatt("TGAS","SEEN",0);
- gMC->Gsatt("TPSG","SEEN",0);
- gMC->Gsatt("TPHV","SEEN",1);
- gMC->Gsatt("TRCS","SEEN",1);
- gMC->Gsatt("TRCL","SEEN",1);
- gMC->Gsatt("TSWS","SEEN",1);
- gMC->Gsatt("TPW1","SEEN",1);
- gMC->Gsatt("TPW3","SEEN",1);
- gMC->Gsatt("TSPI","SEEN",1);
- gMC->Gsatt("TSPO","SEEN",1);
- gMC->Gsatt("TSWH","SEEN",1);
- gMC->Gsatt("TPOI","SEEN",1);
- gMC->Gsatt("TPIV","SEEN",1);
- gMC->Gsatt("TPVD","SEEN",1);
+ //
+
+ 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("*", 0, 1000, -1000, 1000, -1000, 1000);
+ 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");
//
// Define materials for version 2 of the Time Projection Chamber
//
-
- //
- // Increase maximum number of steps
- gMC->SetMaxNStep(30000);
- //
+
AliTPC::CreateMaterials();
}
//
// Initialises version 2 of the TPC after that it has been built
//
- Int_t *idtmed = fIdtmed->GetArray()-399;
+
+ Int_t *idtmed = fIdtmed->GetArray();
+
AliTPC::Init();
- fIdSens1=gMC->VolId("TLGA"); // L-sector
- fIdSens2=gMC->VolId("TSGA"); // S-sector
- fIdSens3=gMC->VolId("TSST"); // strip - S-sector (not always used)
- fIdSens4=gMC->VolId("TLST"); // strip - S-sector (not always used)
+
+
+ fIdSens=gMC->VolId("TPC_Strip"); // one strip is always selected...
+
+ fIDrift=gMC->VolId("TPC_Drift");
+ fSecOld=-100; // fake number
gMC->SetMaxNStep(30000); // max. number of steps increased
- gMC->Gstpar(idtmed[403],"LOSS",5);
+ gMC->Gstpar(idtmed[2],"LOSS",5); // specific energy loss
- printf("*** TPC version 2 initialized ***\n");
- printf("Maximum number of steps = %d\n",gMC->GetMaxNStep());
+ AliInfo("*** TPC version 2 initialized ***");
+ AliInfo(Form("Maximum number of steps = %d",gMC->GetMaxNStep()));
//
//
// parameters used for the energy loss calculations
//
- const Float_t prim = 14.35; // number of primary collisions per 1 cm
- const Float_t poti = 20.77e-9; // first ionization potential for Ne/CO2
- const Float_t w_ion = 35.97e-9; // energy for the ion-electron pair creation
+ 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 Float_t big = 1.e10;
+ const Float_t kbig = 1.e10;
Int_t id,copy;
- Float_t hits[4];
+ Float_t hits[5];
Int_t vol[2];
- TClonesArray &lhits = *fHits;
+ TLorentzVector p;
- vol[1]=0;
-
+ vol[1]=0; // preset row number to 0
//
-
- gMC->SetMaxStep(big);
+ gMC->SetMaxStep(kbig);
- if(!gMC->TrackAlive()) return; // particle has disappeared
+ if(!gMC->IsTrackAlive()) return; // particle has disappeared
Float_t charge = gMC->TrackCharge();
if(TMath::Abs(charge)<=0.) return; // take only charged particles
+ // check the sensitive volume
+
+ id = gMC->CurrentVolID(copy); // vol ID and copy number (starts from 1!)
+ if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume
+
+ gMC->TrackPosition(p);
+ Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
+ //
- id=gMC->CurrentVol(0, copy);
-
- // Check the sensitive volume
-
- if(id == fIdSens1)
- {
- vol[0] = copy + 24; // L-sector number
- }
- else if(id == fIdSens2)
- {
- vol[0] = copy; // S-sector number
- }
- else if(id == fIdSens3 && gMC->TrackEntering())
- {
- vol[1] = copy; // row number
- id = gMC->CurrentVolOff(1,0,copy);
- vol[0] = copy; // sector number (S-sector)
-
- gMC->TrackPosition(hits);
- hits[3]=0.; // this hit has no energy loss
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
- }
- else if(id == fIdSens4 && gMC->TrackEntering())
- {
- vol[1] = copy; // row number
- id = gMC->CurrentVolOff(1,0,copy);
- vol[0] = copy+24; // sector number (L-sector)
-
- gMC->TrackPosition(hits);
- hits[3]=0.; // this hit has no energy loss
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
- }
- else return;
-
//
- // charged particle is in the sensitive volume
+ Double_t angle = TMath::ACos(p[0]/r);
+ angle = (p[1]<0.) ? TMath::TwoPi()-angle : angle;
+ //
+ // angular segment, it is not a real sector number...
+ //
+ Int_t sector=TMath::Nint((angle-fTPCParam->GetInnerAngleShift())/
+ fTPCParam->GetInnerAngle());
+ // rotate to segment "0"
+ Float_t cos,sin;
+ 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()){
+ // calculate real sector number...
+ if (x1>fTPCParam->GetOuterRadiusLow()){
+ sector = TMath::Nint((angle-fTPCParam->GetOuterAngleShift())/
+ fTPCParam->GetOuterAngle())+fTPCParam->GetNInnerSector();
+ if (p[2]<0) sector+=(fTPCParam->GetNOuterSector()>>1);
+ }
+ else
+ if (p[2]<0) sector+=(fTPCParam->GetNInnerSector()>>1);
+ //
+ // here I have a sector number
//
+
+ vol[0]=sector;
+ // check if change of sector
+ if(sector != fSecOld){
+ fSecOld=sector;
+ // add track reference
+ AddTrackReference(gAlice->GetMCApp()->GetCurrentTrackNumber());
+ }
+ // track is in the sensitive strip
+ if(id == fIdSens){
+ // track is entering the strip
+ if (gMC->IsTrackEntering()){
+ Int_t totrows = fTPCParam->GetNRowLow()+fTPCParam->GetNRowUp();
+ vol[1] = (copy<=totrows) ? copy-1 : copy-1-totrows;
+ // row numbers are autonomous for lower and upper sectors
+ if(vol[0] > fTPCParam->GetNInnerSector()) {
+ vol[1] -= fTPCParam->GetNRowLow();
+ }
+ //
+ if(vol[0]<fTPCParam->GetNInnerSector()&&vol[1] == 0){
- if(gMC->TrackStep() > 0) {
+ // lower sector, row 0, because Jouri wants to have this
+
+ gMC->TrackMomentum(p);
+ hits[0]=p[0];
+ hits[1]=p[1];
+ hits[2]=p[2];
+ hits[3]=0.; // this hit has no energy loss
+ // Get also the track time for pileup simulation
+ hits[4]=gMC->TrackTime();
+
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
+ }
+ //
+
+ gMC->TrackPosition(p);
+ hits[0]=p[0];
+ hits[1]=p[1];
+ hits[2]=p[2];
+ hits[3]=0.; // this hit has no energy loss
+ // Get also the track time for pileup simulation
+ hits[4]=gMC->TrackTime();
+
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
- Int_t nel = (Int_t)(((gMC->Edep())-poti)/w_ion) + 1;
+ }
+ else return;
+ }
+ //-----------------------------------------------------------------
+ // charged particle is in the sensitive drift volume
+ //-----------------------------------------------------------------
+ if(gMC->TrackStep() > 0) {
+
+ Int_t nel = (Int_t)(((gMC->Edep())-kpoti)/kwIon) + 1;
nel=TMath::Min(nel,300); // 300 electrons corresponds to 10 keV
-
- gMC->TrackPosition(hits);
+ //
+ gMC->TrackPosition(p);
+ hits[0]=p[0];
+ hits[1]=p[1];
+ hits[2]=p[2];
hits[3]=(Float_t)nel;
-
+
// Add this hit
-
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
-
- }
-
+
+ if (fHitType&&2){
+ gMC->TrackMomentum(p);
+ Float_t momentum = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
+ Float_t precision = (momentum>0.1) ? 0.002 :0.01;
+ fTrackHits->SetHitPrecision(precision);
+ }
+
+ // Get also the track time for pileup simulation
+ hits[4]=gMC->TrackTime();
+
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
+
+ } // step>0
+ } //within sector's limits
// Stemax calculation for the next step
Float_t pp;
- Float_t vect[4];
- gMC->TrackMomentum(vect);
- Float_t ptot = vect[3];
- Float_t beta_gamma = ptot/(gMC->TrackMass());
+ TLorentzVector mom;
+ gMC->TrackMomentum(mom);
+ Float_t ptot=mom.Rho();
+ Float_t betaGamma = ptot/gMC->TrackMass();
- if(gMC->TrackPid() <= 3 && ptot > 0.002)
+ Int_t pid=gMC->TrackPid();
+ if((pid==kElectron || pid==kPositron) && ptot > 0.002)
{
- pp = prim*1.58; // electrons above 20 MeV/c are on the plateau!
+ pp = kprim*1.58; // electrons above 20 MeV/c are on the plateau!
}
else
{
- pp=prim*BetheBloch(beta_gamma);
+
+ betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
+ pp=kprim*BetheBloch(betaGamma);
+
if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
}
- Float_t random[1];
- gMC->Rndm(random,1); // good, old GRNDM from Geant3
-
- Double_t rnd = (Double_t)random[0];
+ Double_t rnd = gMC->GetRandom()->Rndm();
gMC->SetMaxStep(-TMath::Log(rnd)/pp);
+
}
//_____________________________________________________________________________
//
// Bethe-Bloch energy loss formula
//
- const Double_t p1=0.76176e-1;
- const Double_t p2=10.632;
- const Double_t p3=0.13279e-4;
- const Double_t p4=1.8631;
- const Double_t p5=1.9479;
+ 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,p4);
- Double_t bb = TMath::Power(1./dbg,p5);
+ Double_t aa = TMath::Power(beta,kp4);
+ Double_t bb = TMath::Power(1./dbg,kp5);
- bb=TMath::Log(p3+bb);
+ bb=TMath::Log(kp3+bb);
- return ((Float_t)((p2-aa-bb)*p1/aa));
+ return ((Float_t)((kp2-aa-bb)*kp1/aa));
}
+
+
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff