+/**************************************************************************
+ * 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 1 -- detailed TPC and fast simulation //
-// //
+// //
//Begin_Html
/*
<img src="picts/AliTPCv1Class.gif">
// //
///////////////////////////////////////////////////////////////////////////////
-#include <TMath.h>
+#include <Riostream.h>
+#include <stdlib.h>
+#include <TBRIK.h>
#include <TGeometry.h>
+#include <TInterpreter.h>
+#include <TMath.h>
#include <TNode.h>
-#include <TBRIK.h>
#include <TTUBE.h>
-#include "AliTPCv1.h"
-#include "AliRun.h"
-#include <iostream.h>
-#include <fstream.h>
+#include <TVirtualMC.h>
+#include <TString.h>
+#include <TSystem.h>
-#include "AliMC.h"
#include "AliConst.h"
-
+#include "AliRun.h"
+#include "AliTPCDigitsArray.h"
#include "AliTPCParam.h"
-#include "AliTPCD.h"
-
+#include "AliTPCParamSR.h"
+#include "AliTPCv1.h"
+#include "TLorentzVector.h"
+#include "AliMC.h"
+#include "TGeoManager.h"
+#include "TGeoVolume.h"
+#include "TGeoPcon.h"
+#include "TGeoTube.h"
+#include "TGeoPgon.h"
+#include "TGeoTrd1.h"
+#include "TGeoCompositeShape.h"
+#include "TGeoPara.h"
ClassImp(AliTPCv1)
+
+//_____________________________________________________________________________
+
+ AliTPCv1::AliTPCv1(){
+
+ fHitType = 1;
+
+}
//_____________________________________________________________________________
AliTPCv1::AliTPCv1(const char *name, const char *title)
//
// Standard constructor for Time Projection Chamber
//
- fIdSens1=fIdSens2=0;
+ fIdSens=0;
+
+
+ if (fTPCParam)
+ fTPCParam->Write(fTPCParam->GetTitle());
+
+ fHitType=1;
}
//_____________________________________________________________________________
void AliTPCv1::CreateGeometry()
{
- //
+ //-------------------------------------------------------------
// Creates geometry for Time Projection Chamber version 1
- // Detailed geometry -- Fast simulation
- // Origin M.Kowalski
- //
+ // Detailed geometry -- Fast simulation - space points
+ // at the pad-rows centers
+ // Origin M.Kowalski, INP Cracow, Marek.Kowalski@ifj.edu.pl
+ //-----------------------------------------------------------
+
//Begin_Html
/*
- <img src="picts/AliTPCv1.gif">
+ <img src="picts/AliTPC.gif">
*/
//End_Html
//Begin_Html
<img src="picts/AliTPCv1Tree.gif">
*/
//End_Html
-
- AliTPCParam * fTPCParam = &(fDigParam->GetParam());
-
- Int_t *idtmed = fIdtmed->GetArray();
-
- Float_t dm[21];
- Int_t idrotm[100];
-
- Int_t nRotMat = 0;
-
-
- // ----------------------------------------------------
- // FIELD CAGE WITH ENDCAPS - G10
- // THIS IS ALSO A TPC MOTHER VOLUME
- // ----------------------------------------------------
-
- dm[0] = 76.;
- dm[1] = 278.;
- dm[2] = 275.;
-
- gMC->Gsvolu("TPC ", "TUBE", idtmed[8], dm, 3);
-
- //-----------------------------------------------------
- // Endcap cover c-fibre 0.86% X0
- //-----------------------------------------------------
-
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 0.95;
-
- gMC->Gsvolu("TPEC","TUBE",idtmed[10],dm,3);
-
- //-----------------------------------------------------
- // Drift gas , leave 2 cm at the outer radius
- // and inner raddius
- //-----------------------------------------------------
-
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 250.;
-
- gMC->Gsvolu("TGAS", "TUBE", idtmed[3], dm, 3);
-
-
- //------------------------------------------------------
- // membrane holder - carbon fiber
- //------------------------------------------------------
-
-
- gMC->Gsvolu("TPMH","TUBE",idtmed[6],dm,0);
-
- dm[0] = 252.;
- dm[1] = 258.;
- dm[2] = 0.2;
-
- gMC->Gsposp("TPMH",1,"TGAS",0.,0.,0.,0,"ONLY",dm,3);
-
- dm[0] = 78.;
- dm[2] = 82.;
- dm[2] = 0.1;
-
- gMC->Gsposp("TPMH",2,"TGAS",0.,0.,0.,0,"ONLY",dm,3);
-
- //----------------------------------------------------------
- // HV membrane - 25 microns of mylar
//----------------------------------------------------------
-
- dm[0] = 82.;
- dm[1] = 252.;
- dm[2] = 0.00125;
-
- gMC->Gsvolu("TPHV","TUBE",idtmed[5],dm,3);
-
- gMC->Gspos("TPHV",1,"TGAS",0.,0.,0.,0,"ONLY");
-
- gMC->Gspos("TGAS",1,"TPC ",0.,0.,0.,0,"ONLY");
-
+ // 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
//----------------------------------------------------------
- // "side" gas volume, the same as the drift gas
- // the readout chambers are placed there.
- //----------------------------------------------------------
-
- dm[0] = 78.;
- dm[1] = 258.;
- dm[2] = 0.5*(275. - 250.);
-
- gMC->Gsvolu("TPSG", "TUBE", idtmed[2], dm, 3);
-
- Float_t z_side = dm[2]; // 1/2 of the side gas thickness
-
- //-----------------------------------------------------------
- // Readout chambers , 25% of X0, I use Al as the material
- //-----------------------------------------------------------
-
- Float_t InnerOpenAngle = fTPCParam->GetInnerAngle();
- Float_t OuterOpenAngle = fTPCParam->GetOuterAngle();
-
- Float_t InnerAngleShift = fTPCParam->GetInnerAngleShift();
- Float_t OuterAngleShift = fTPCParam->GetOuterAngleShift();
-
-
- Int_t nInnerSector = fTPCParam->GetNInnerSector()/2;
- Int_t nOuterSector = fTPCParam->GetNOuterSector()/2;
-
-
- Float_t InSecLowEdge = fTPCParam->GetInSecLowEdge();
- Float_t InSecUpEdge = fTPCParam->GetInSecUpEdge();
-
- Float_t OuSecLowEdge = fTPCParam->GetOuSecLowEdge();
- Float_t OuSecUpEdge = fTPCParam->GetOuSecUpEdge();
-
- Float_t SecThick = 2.225; // Al
-
- Float_t edge = fTPCParam->GetEdge();
-
- // S (Inner) sectors
-
- dm[0] = InSecLowEdge*TMath::Tan(0.5*InnerOpenAngle)-edge;
- dm[1] = InSecUpEdge*TMath::Tan(0.5*InnerOpenAngle)-edge;
- dm[2] = 0.5*SecThick;
- dm[3] = 0.5*(InSecUpEdge-InSecLowEdge);
-
- Float_t xCenterS = InSecLowEdge+dm[3];
-
- gMC->Gsvolu("TRCS", "TRD1", idtmed[0], dm, 4);
-
- // L (Outer) sectors
-
- dm[0] = OuSecLowEdge*TMath::Tan(0.5*OuterOpenAngle)-edge;
- dm[1] = OuSecUpEdge*TMath::Tan(0.5*OuterOpenAngle)-edge;
- dm[2] = 0.5*SecThick;
- dm[3] = 0.5*(OuSecUpEdge-OuSecLowEdge);
-
- Float_t xCenterL = OuSecLowEdge+dm[3];
-
- gMC->Gsvolu("TRCL", "TRD1", idtmed[0], dm, 4);
-
- Float_t z1 = -z_side + SecThick*0.5;
-
- //------------------------------------------------------------------
- // S sectors - "gas sectors" (TRD1)
- //------------------------------------------------------------------
-
- dm[0] = InSecLowEdge*TMath::Tan(0.5*InnerOpenAngle)-0.01;
- dm[1] = InSecUpEdge*TMath::Tan(0.5*InnerOpenAngle)-0.01;
- dm[2] = 0.5*(250. - 0.001);
- dm[3] = 0.5*(InSecUpEdge-InSecLowEdge);
-
- gMC->Gsvolu("TSGA", "TRD1", idtmed[3], dm, 4); // nonsensitive
-
- //------------------------------------------------------------------
- // sensitive strips - "pad rows"
- //------------------------------------------------------------------
-
- Int_t ns;
- Float_t r1,r2,zz;
-
- Float_t StripThick = 0.01; // 100 microns
- Float_t dead = fTPCParam->GetDeadZone();
-
- gMC->Gsvolu("TSST", "TRD1", idtmed[4], dm, 0);
-
- dm[2] = 0.5*(250. - 0.002);
- dm[3] = 0.5 * StripThick;
-
-
- // S-sector
-
- for (ns = 0; ns < fTPCParam->GetNRowLow(); ns++) {
-
- r1 = fTPCParam->GetPadRowRadiiLow(ns);
- r2 = r1 + StripThick;
- dm[0] = r1 * TMath::Tan(0.5*InnerOpenAngle) - dead;
- dm[1] = r2 * TMath::Tan(0.5*InnerOpenAngle) - dead;
-
- zz = -InSecLowEdge -0.5*(InSecUpEdge-InSecLowEdge);
- zz += r1;
- zz += dm[3];
-
- gMC->Gsposp("TSST", ns+1, "TSGA", 0., 0., zz, 0, "ONLY", dm, 4);
-
-
- }
-
- //-----------------------------------------------------------------
- // L sectors - "gas sectors" (PGON to avoid overlaps)
- //-----------------------------------------------------------------
-
- dm[0] = 360.*kDegrad - 0.5*OuterOpenAngle;
- dm[0] *= kRaddeg;
- dm[0] = (Float_t)TMath::Nint(dm[0]);
-
- dm[1] = OuterOpenAngle*kRaddeg;
- dm[1] = (Float_t)TMath::Nint(dm[1]);
-
- dm[2] = 1.;
- dm[3] = 4.;
-
- dm[4] = 0.002;
- dm[5] = OuSecLowEdge;
- dm[6] = 252.*TMath::Cos(0.5*OuterOpenAngle)-0.002;
-
- dm[7] = dm[4]+0.2;
- dm[8] = dm[5];
- dm[9] = dm[6];
-
- dm[10] = dm[7];
- dm[11] = OuSecLowEdge;
- dm[12] = OuSecUpEdge;
-
- dm[13] = 250.;
- dm[14] = dm[11];
- dm[15] = dm[12];
-
- gMC->Gsvolu("TLGA","PGON",idtmed[3],dm,16);
-
- //------------------------------------------------------------------
- // sensitive strips - "pad rows"
- //------------------------------------------------------------------
-
- Float_t rmax = dm[6];
-
- // L-sectors
-
- gMC->Gsvolu("TLST", "PGON", idtmed[4], dm, 0);
-
- dm[0] = 360.*kDegrad - 0.5*OuterOpenAngle;
- dm[0] *= kRaddeg;
- dm[0] = (Float_t)TMath::Nint(dm[0]);
-
- dm[1] = OuterOpenAngle*kRaddeg;
- dm[1] = (Float_t)TMath::Nint(dm[1]);
-
- dm[2] = 1.;
- dm[3] = 2.;
-
- dm[7] = 250.;
-
- Float_t xx = dead/TMath::Tan(0.5*OuterOpenAngle);
-
- for(ns=0;ns<fTPCParam->GetNRowUp();ns++){
-
- r1 = fTPCParam->GetPadRowRadiiUp(ns)-xx;
- r2 = r1 + StripThick;
-
- dm[5] = r1;
- dm[6] = r2;
-
- dm[8] = r1;
- dm[9] = r2;
-
- if(r2+xx < rmax){
- dm[4] = 0.002;
- }
- else{
- dm[4] = 0.202;
- }
-
- gMC->Gsposp("TLST",ns+1,"TLGA",xx,0.,0.,0,"ONLY",dm,10);
-
- }
-
- //------------------------------------------------------------------
- // Positioning of the S-sector readout chambers
- //------------------------------------------------------------------
-
- Float_t zs = 0.5*(250.+0.002);
-
- Float_t theta1,theta2,theta3;
- Float_t phi1,phi2,phi3;
- Float_t alpha;
- Float_t x,y;
-
- for(ns=0;ns<nInnerSector;ns++){
-
- phi1 = ns * InnerOpenAngle + 270.*kDegrad + InnerAngleShift;
- phi1 *= kRaddeg; // in degrees
-
- phi1 = (Float_t)TMath::Nint(phi1);
-
- if (phi1 > 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * InnerOpenAngle + InnerAngleShift;
- phi3 *= kRaddeg; // in degrees
-
- phi3 = (Float_t)TMath::Nint(phi3);
-
- if(phi3 > 360.) phi3 -= 360.;
-
- theta3 = 90.;
-
- alpha = phi3*kDegrad;
-
- x = xCenterS * TMath::Cos(alpha);
- y = xCenterS * TMath::Sin(alpha);
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- gMC->Gspos("TRCS", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY");
-
- gMC->Gspos("TSGA",ns+1,"TGAS",x,y,zs,idrotm[nRotMat], "ONLY");
- gMC->Gspos("TSGA",ns+1+nInnerSector,"TGAS",x,y,-zs,idrotm[nRotMat], "ONLY");
-
- nRotMat++;
-
- }
-
- //-------------------------------------------------------------------
- // Positioning of the L-sectors readout chambers
- //-------------------------------------------------------------------
-
- for(ns=0;ns<nOuterSector;ns++){
- phi1 = ns * OuterOpenAngle + 270.*kDegrad + OuterAngleShift;
- phi1 *= kRaddeg; // in degrees
-
- phi1 = (Float_t)TMath::Nint(phi1);
-
-
- if (phi1 > 360.) phi1 -= 360.;
-
- theta1 = 90.;
- phi2 = 90.;
- theta2 = 180.;
- phi3 = ns * OuterOpenAngle+OuterAngleShift;
- phi3 *= kRaddeg; // in degrees
-
- phi3 = (Float_t)TMath::Nint(phi3);
-
-
- if(phi3 > 360.) phi3 -= 360.;
-
- theta3 = 90.;
-
- alpha = phi3*kDegrad;
-
- x = xCenterL * TMath::Cos(alpha);
- y = xCenterL * TMath::Sin(alpha);
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
-
- gMC->Gspos("TRCL", ns+1, "TPSG", x, y, z1, idrotm[nRotMat], "ONLY");
-
- nRotMat++;
-
- }
+ //
+ // tpc - this will be the mother volume
+ //
- //-------------------------------------------------------------------
- // Positioning of the L-sectors (gas sectors)
- //-------------------------------------------------------------------
+ //
+ // 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-1");
+ 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);
- for(ns=0;ns<nOuterSector;ns++){
+ //-------------------------------------------------------
+ // Tpc Outer Field Cage
+ // daughters - composite (sandwich)
+ //-------------------------------------------------------
- phi1 = ns*OuterOpenAngle + OuterAngleShift;
- phi1 *= kRaddeg;
+ 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.,-70.1));
+ v1->AddNode(siv,2,new TGeoTranslation(0.,0.,70.1));
+ 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 *sect = new TGeoVolumeAssembly("TPC_SECT");
+ 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 *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);
+ //
+ sect->AddNode(ch,1);
+ sect->AddNode(iroc,1,combi1);
+ sect->AddNode(oroc,1,combi2);
+ //
+ // segment is ready...
+ // now I try to make a wheel...
+ //
+ TGeoVolumeAssembly *wheel = new TGeoVolumeAssembly("TPC_ENDCAP");
+ //
+ 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);
- phi1 = (Float_t)TMath::Nint(phi1);
- if(phi1>360.) phi1 -= 360.;
-
- theta1 = 90.;
-
- phi2 = 90. + phi1;
- if(phi2>360.) phi2 -= 360.;
-
- theta2 = 90.;
-
- phi3 = 0.;
- theta3 = 0.;
-
- alpha = phi1*kDegrad;
-
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
-
- gMC->Gspos("TLGA",ns+1,"TGAS" ,0.,0.,0.,idrotm[nRotMat],"ONLY");
-
- nRotMat++;
+ }
+ // wheels in the drift volume!
+ TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
+ v9->AddNode(wheel,1,combi3);
+ v9->AddNode(wheel,2,new TGeoTranslation(0.,0.,-256.6));
- // reflection !!
-
- phi3 = 0.;
- theta3 = 180.;
-
- AliMatrix(idrotm[nRotMat], theta1, phi1, theta2, phi2, theta3, phi3);
-
- gMC->Gspos("TLGA",ns+1+nOuterSector,"TGAS" ,0.,0.,0.,idrotm[nRotMat],"ONLY");
-
- nRotMat++;
- }
-
- Float_t z0 = z_side - 0.95;
-
- gMC->Gspos("TPEC",1,"TPSG",0.,0.,z0,0,"ONLY");
-
- // ==========================================================
- // wheels
- // ==========================================================
-
+ //_____________________________________________________________
+ // 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
//
- // auxilary structures
+ 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
//
-
-
- gMC->Gsvolu("TPWI","TUBE",idtmed[24],dm,0); // "air"
-
- // ----------------------------------------------------------
- // Large wheel -> positioned in the TPC
- // ----------------------------------------------------------
-
-
- z0 = 263.5; // TPC length - 1/2 spoke wheel width
-
- dm[0] = 258.;
- dm[1] = 278.;
- dm[2] = 11.5;
-
- gMC->Gsvolu("TPWL", "TUBE", idtmed[0], dm, 3);
-
- dm[0] = dm[0]+2.;
- dm[1] = 278.;
- dm[2] = dm[2]-2.;
-
- gMC->Gsposp("TPWI",1,"TPWL",0.,0.,0.,0,"ONLY",dm,3);
-
- gMC->Gspos("TPWL", 1, "TPC ", 0, 0, z0, 0, "ONLY");
- gMC->Gspos("TPWL", 2, "TPC ", 0, 0, -z0, 0, "ONLY");
-
+ 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
//
- // Outer vessel + CO2 HV degrader
+ shv->AddNode(elv,1);
//
-
- dm[0] = 260.;
- dm[1] = 278.;
- dm[2] = 252.;
-
- gMC->Gsvolu("TPCO","TUBE",idtmed[12],dm,3);
-
- dm[0] = 275.;
- dm[1] = 278.;
-
- gMC->Gsvolu("TPOV","TUBE",idtmed[10],dm,3);
-
- gMC->Gspos("TPOV",1,"TPCO",0.,0.,0.,0,"ONLY");
-
-
- // G10 plugs
-
- dm[0] = 258.;
- dm[1] = 260.;
- dm[2] = 1.;
-
- gMC->Gsvolu("TPG1","TUBE",idtmed[8],dm,3);
- gMC->Gspos("TPG1",1,"TPCO",0.,0.,251.,0,"ONLY");
- gMC->Gspos("TPG1",2,"TPCO",0.,0.,-251.,0,"ONLY");
-
- gMC->Gspos("TPCO",1,"TPC ",0.,0.,0.,0,"ONLY");
-
-
+ //
+ 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));
+
+ // sensitive strips
+ TGeoMedium *m8 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2");
+ Int_t totrows;
+ totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp();
+ Double_t *upar;
+ upar=NULL;
+ gGeoManager->Volume("TPC_Strip","PGON",m8->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
+ //
+ //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);
+ }
+
//----------------------------------------------------------
- // Small wheel -> positioned in "side gas
+ // TPc Support Rods - MAKROLON
//----------------------------------------------------------
-
- dm[0] = 78.;
- dm[1] = 82.;
- dm[2] = 11.5;
-
- gMC->Gsvolu("TPWS", "TUBE", idtmed[0], dm, 3);
-
- dm[0] = 78.;
- dm[1] = dm[1]-2;
- dm[2] = dm[2]-2.;
-
- gMC->Gsvolu("TPW1", "TUBE", idtmed[2], dm, 3);
+ 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->Gspos("TPW1", 1, "TPWS", 0., 0., 0., 0, "ONLY");
-
- z0 = 1.; // spoke wheel is shifted w.r.t. center of the "side gas"
-
- gMC->Gspos("TPWS", 1, "TPSG", 0, 0, z0, 0, "ONLY");
-
-
- // to avoid overlaps
-
- dm[0] = 76.;
- dm[1] = 78.;
- dm[2] = 11.5;
-
- gMC->Gsvolu("TPS1","TUBE",idtmed[0],dm,3);
-
- dm[2] = 9.5;
-
- gMC->Gsvolu("TPS2","TUBE",idtmed[24],dm,3);
-
- gMC->Gspos("TPS2",1,"TPS1",0.,0.,0.,0,"ONLY");
-
- z0= 263.5;
-
- gMC->Gspos("TPS1",1,"TPC ",0.,0.,z0,0,"ONLY");
- gMC->Gspos("TPS1",2,"TPC ",0.,0.,-z0,0,"ONLY");
-
- // G10 plug
-
- dm[0] = 76.;
- dm[2] = 78.;
- dm[3] = 1.;
-
- gMC->Gsvolu("TPG2","TUBE",idtmed[8],dm,3);
-
- z0 = 251.;
-
- gMC->Gspos("TPG2",1,"TPC ",0.,0.,z0,0,"ONLY");
- gMC->Gspos("TPG2",2,"TPC ",0.,0.,-z0,0,"ONLY");
-
-
- //---------------------------------------------------------
- // central wheel 6 (radial direction) x 4 (along z) cm2
- //---------------------------------------------------------
-
- dm[0] = 140.;
- dm[1] = 146.;
- dm[2] = 2.;
-
- gMC->Gsvolu("TPWC","TUBE",idtmed[0],dm,3);
-
- dm[0] = dm[0] + 2.;
- dm[1] = dm[1] - 2.;
- dm[2] = dm[2] - 1.;
-
- gMC->Gsposp("TPWI",2,"TPWC",0.,0.,0.,0,"ONLY",dm,3);
-
- z0 = z_side - 1.9 - 2.;
-
- gMC->Gspos("TPWC",1,"TPSG",0.,0.,z0,0,"ONLY");
-
//
-
- gMC->Gsvolu("TPSE","BOX ",idtmed[24],dm,0); // "empty" part of the spoke
-
-
- //---------------------------------------------------------
- // inner spokes (nSectorInner)
- //---------------------------------------------------------
-
- dm[0] = 0.5*(139.9-82.1);
- dm[1] = 3.;
- dm[2] = 2.;
-
- Float_t x1 = dm[0]+82.;
-
- gMC->Gsvolu("TPSI","BOX",idtmed[0],dm,3);
-
- dm[1] = dm[1]-1.;
- dm[2] = dm[2]-1.;
-
- gMC->Gsposp("TPSE",1,"TPSI",0.,0.,0.,0,"ONLY",dm,3);
-
- for(ns=0;ns<nInnerSector;ns++){
-
- phi1 = 0.5*InnerOpenAngle + ns*InnerOpenAngle + InnerAngleShift;
- theta1=90.;
- phi1 *=kRaddeg;
-
- phi1 = (Float_t)TMath::Nint(phi1);
- if(phi1>360.) phi1 -= 360.;
-
- phi2 = phi1+90.;
- if(phi2>360.) phi2 -= 360.;
- theta2=90.;
- phi3=0.;
- theta3=0.;
-
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
-
- AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3);
-
- gMC->Gspos("TPSI",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY");
-
- nRotMat++;
-
- }
-
- //-------------------------------------------------------------
- // outer spokes (nSectorOuter)
- //-------------------------------------------------------------
-
- dm[0] = 0.5*(257.9-146.1);
- dm[1] = 3.;
- dm[2] = 2.;
-
- x1 = dm[0] + 146.;
-
- gMC->Gsvolu("TPSO","BOX ",idtmed[0],dm,3);
-
- dm[1] = dm[1] - 1.;
- dm[2] = dm[2] - 1.;
-
- gMC->Gsposp("TPSE",2,"TPSO",0.,0.,0.,0,"ONLY",dm,3);
-
- for(ns=0;ns<nOuterSector;ns++){
-
- phi1 = 0.5*OuterOpenAngle + ns*OuterOpenAngle + OuterAngleShift;
- theta1=90.;
- phi1 *=kRaddeg;
-
- phi1 = (Float_t)TMath::Nint(phi1);
- if(phi1>360.) phi1 -= 360.;
-
- phi2 = phi1+90.;
- if(phi2>360.) phi2 -= 360.;
- theta2=90.;
- phi3=0.;
- theta3=0.;
-
- alpha = phi1 * kDegrad;
- x = x1 * TMath::Cos(alpha);
- y = x1 * TMath::Sin(alpha);
-
- AliMatrix(idrotm[nRotMat],theta1,phi1,theta2,phi2,theta3,phi3);
-
- gMC->Gspos("TPSO",ns+1,"TPSG",x,y,z0,idrotm[nRotMat],"ONLY");
-
- nRotMat++;
-
- }
-
-
-
- // --------------------------------------------------------
- // put the readout chambers into the TPC
- // --------------------------------------------------------
-
- theta1 = 90.;
- phi1 = 0.;
- theta2 = 90.;
- phi2 = 270.;
- theta3 = 180.;
- phi3 = 0.;
-
- AliMatrix(idrotm[nRotMat], 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[nRotMat], "ONLY");
-
- gMC->Gspos("TPC ", 1, "ALIC", 0, 0, 0, 0, "ONLY");
-
- //----------------------------------------------------
- // Inner vessel and HV degrader
- //----------------------------------------------------
-
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 4.;
-
- dm[3] = -250.;
- dm[4] = 74.4;
- 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] = 74.4;
- dm[14] = 76.;
-
- gMC->Gsvolu("TPVD", "PCON", idtmed[12], dm, 15); // CO2
-
- // cone parts
-
- dm[0] = 0.;
- dm[1] = 360.;
- dm[2] = 2.;
-
- dm[3] = 64.5;
- dm[4] = 50.;
- dm[5] = 51.6;
-
- dm[6] = 250.;
- dm[7] = 74.4;
- dm[8] = 76.;
-
-
- gMC->Gsvolu("TIVC","PCON",idtmed[11],dm,9); // C-fibre
-
- gMC->Gspos("TIVC",1,"TPVD",0.,0.,0.,0,"ONLY");
- gMC->Gspos("TIVC",2,"TPVD",0.,0.,0.,idrotm[nRotMat],"ONLY");
-
- // barrel part
-
- dm[0] = 50.;
- dm[1] = 50.5;
- dm[2] = 32.25;
-
- gMC->Gsvolu("TIVB","TUBE",idtmed[9],dm,3);
-
- gMC->Gspos("TIVB",1,"TPVD",0.,0.,0.,0,"ONLY");
-
- gMC->Gspos("TPVD",1,"ALIC",0.,0.,0.,0,"ONLY");
-
-
-
+ //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);
+ 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+18,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);//muon
+ }
+ 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);
+ }
- // ---------------------------------------------------
- // volumes ordering
- // ---------------------------------------------------
- gMC->Gsord("TGAS", 6);
- gMC->Gsord("TPSG", 6);
- gMC->Gsord("TSGA", 3);
- gMC->Gsord("TLGA", 4);
+ TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
+ alice->AddNode(v1,1);
} // end of function
-
//_____________________________________________________________________________
void AliTPCv1::DrawDetector()
{
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("TPMH","SEEN",1);
- gMC->Gsatt("TPEC","SEEN",0);
- gMC->Gsatt("TRCS","SEEN",1);
- gMC->Gsatt("TRCL","SEEN",1);
- gMC->Gsatt("TPWL","SEEN",1);
- gMC->Gsatt("TPWI","SEEN",1);
- gMC->Gsatt("TPWS","SEEN",1);
- gMC->Gsatt("TPW1","SEEN",1);
- gMC->Gsatt("TPS1","SEEN",1);
- gMC->Gsatt("TPS2","SEEN",1);
- gMC->Gsatt("TPG1","SEEN",1);
- gMC->Gsatt("TPG2","SEEN",1);
- gMC->Gsatt("TPWC","SEEN",1);
- gMC->Gsatt("TPSI","SEEN",1);
- gMC->Gsatt("TPSO","SEEN",1);
- gMC->Gsatt("TPCO","SEEN",1);
- gMC->Gsatt("TPOV","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");
// Initialises TPC detector after it has been created
//
- fIdSens1=gMC->VolId("TLST"); // L-sector
- fIdSens2=gMC->VolId("TSST"); // S-sector
+ fIdSens=gMC->VolId("TPC_Strip"); // sensitive strip
+
+ printf("%s: *** TPC version 1 initialized***\n",ClassName());
- printf("TPC version 1 initialized\n");
+ // printf("TPC version 1 initialized\n");
}
//_____________________________________________________________________________
// Called at every step in the Time Projection Chamber
//
Int_t copy, id, i;
- Float_t hits[4];
+ Float_t hits[5];
Int_t vol[2];
TLorentzVector p;
- TClonesArray &lhits = *fHits;
-
- AliTPCParam *fTPCParam = &(fDigParam->GetParam());
-
- //
+ //
+ id = gMC->CurrentVolID(copy);
+ if(id!=fIdSens) return;
if(gMC->TrackCharge() && gMC->IsTrackEntering()) {
- //
- // Only entering charged tracks
- //
- if((id=gMC->CurrentVolID(copy))==fIdSens1) {
-
- // L
-
- vol[1]=copy-1; // row
- id=gMC->CurrentVolOffID(1,copy);
- vol[0]=copy+fTPCParam->GetNInnerSector()-1; // sector
- } else if(id==fIdSens2) {
-
- // S
- vol[1]=copy-1; // row
- id=gMC->CurrentVolOffID(1,copy); // sector
- vol[0]=copy-1;
- } else return;
+ //
+ // Only charged tracks entering the sensitive volume
+ //
- gMC->TrackPosition(p);
- for(i=0;i<3;++i) hits[i]=p[i];
- hits[3]=0;
- new(lhits[fNhits++]) AliTPChit(fIshunt,gAlice->CurrentTrack(),vol,hits);
+ gMC->TrackPosition(p);
+ Double_t r = TMath::Sqrt(p[0]*p[0]+p[1]*p[1]);
+ //
+
+ //
+ 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;
+ Float_t y1 = TMath::Abs(-p[0]*sin + p[1]*cos);
+ // 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;
+ //
+ 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();
+ }
+ Double_t range = (sector<36) ? fTPCParam->GetYInner(vol[1]) :
+ fTPCParam->GetYOuter(vol[1]);
+ if(y1>range) return;
+ if(vol[1] == 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); // M.I.
+ }
+ gMC->TrackPosition(p);
+ for(i=0;i<3;++i) hits[i]=p[i];
+ hits[3]=1; //I'd like to have something positive here (I.Belikov)
+ // Get also the track time for pileup simulation
+ hits[4]=gMC->TrackTime();
+
+ AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits); // M.I.
+
+ }// track entering sensitive strip
+
}
+//_____________________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff