/**************************************************************************
* 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. *
**************************************************************************/
/*
$Log$
Revision 1.1 2007/06/24 20:56:19 hristov
TPC version for the krypton runs (Marek)
*/
//
///////////////////////////////////////////////////////////////////////////////
// //
// Time Projection Chamber version 4 -- detailed TPC and slow simulation //
// of Krypton decays //
// //
//Begin_Html //
/*
*/
//End_Html
// //
// //
///////////////////////////////////////////////////////////////////////////////
//#include
#include
#include
#include
#include "AliLog.h"
#include "AliMathBase.h"
#include "AliTPCParam.h"
#include "AliTPCTrackHitsV2.h"
#include "AliTPCv4.h"
#include "TGeoVolume.h"
#include "TGeoPcon.h"
#include "TGeoTube.h"
#include "TGeoPgon.h"
#include "TGeoCone.h"
#include "TGeoTrd1.h"
#include "TGeoCompositeShape.h"
#include "TGeoPara.h"
#include "TGeoPhysicalNode.h"
#include "TGeoHalfSpace.h"
#include "TTreeStream.h"
#include "TGeoArb8.h"
using std::ifstream;
using std::ios_base;
extern "C"{
Gas gaspar1_;
};
ClassImp(AliTPCv4)
//_____________________________________________________________________________
AliTPCv4::AliTPCv4(const char *name, const char *title) :
AliTPC(name, title),
fIdSens(0),
fIDrift(0),
fSecOld(0)
{
//
// Standard constructor for Time Projection Chamber version 2
//
SetBufferSize(128000);
if(!fTPCParam) {AliFatal("TPC parameters not set");
return;
}
gaspar1_.fpot=fTPCParam->GetFpot();
gaspar1_.eend=1.e-6;
gaspar1_.eexpo=fTPCParam->GetExp();
}
//_____________________________________________________________________________
void AliTPCv4::CreateGeometry()
{
//
// Create the geometry of Time Projection Chamber version 2
//
//Begin_Html
/*
*/
//End_Html
//Begin_Html
/*
*/
//End_Html
//----------------------------------------------------------
// 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
//
//
// here I define a volume TPC
// retrive the medium name with "TPC_" as a leading string
//
TGeoPcon *tpc = new TGeoPcon(0.,360.,30); //30 sections
//
tpc->DefineSection(0,-289.6,77.,278.);
tpc->DefineSection(1,-262.1,77.,278.);
//
tpc->DefineSection(2,-262.1,83.1,278.);
tpc->DefineSection(3,-260.,83.1,278.);
//
tpc->DefineSection(4,-260.,70.,278.);
tpc->DefineSection(5,-259.6,70.,278.);
//
tpc->DefineSection(6,-259.6,68.1,278.);
tpc->DefineSection(7,-253.6,68.1,278.);
//
tpc->DefineSection(8,-253.6,67.88,278.);//hs
tpc->DefineSection(9,-74.0,60.68,278.);// hs
//
tpc->DefineSection(10,-74.0,60.1,278.);
tpc->DefineSection(11,-73.3,60.1,278.);
//
tpc->DefineSection(12,-73.3,56.9,278.);
tpc->DefineSection(13,-68.5,56.9,278.);
//
tpc->DefineSection(14,-68.5,60.,278.);
tpc->DefineSection(15,-64.7,60.,278.);
//
tpc->DefineSection(16,-64.7,56.9,278.);
tpc->DefineSection(17,73.3,56.9,278.);
//
tpc->DefineSection(18,73.3,60.1,278.);
tpc->DefineSection(19,74.0,60.1,278.);
//
tpc->DefineSection(20,74.0,60.68,278.);// hs
tpc->DefineSection(21,253.6,65.38,278.);// hs
//
tpc->DefineSection(22,253.6,65.6,278.);
tpc->DefineSection(23,259.6,65.6,278.);
//
tpc->DefineSection(24,259.6,70.0,278.);
tpc->DefineSection(25,260.,70.0,278.);
//
tpc->DefineSection(26,260.,83.1,278.);
tpc->DefineSection(27,262.1,83.1,278.);
//
tpc->DefineSection(28,262.1,77.,278);
tpc->DefineSection(29,289.6,77.,278.);
//
TGeoMedium *m1 = gGeoManager->GetMedium("TPC_Air");
TGeoVolume *v1 = new TGeoVolume("TPC_M",tpc,m1);
//
// 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_DriftGas3");
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);
TGeoMedium *mhs = gGeoManager->GetMedium("TPC_Steel");
TGeoMedium *m12 = gGeoManager->GetMedium("TPC_Water");
//-------------------------------------------------------
// Tpc Outer Field Cage
// daughters - composite (sandwich)
//-------------------------------------------------------
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);
//------------------------------------------------
// Heat screen muon side
//------------------------------------------------
TGeoCone *thsm = new TGeoCone(89.8,67.88,68.1,60.68,60.9);
TGeoCone *thsmw = new TGeoCone(89.8,67.94,68.04,60.74,60.84);
TGeoVolume *hvsm = new TGeoVolume("TPC_HSM",thsm,mhs); //steel
TGeoVolume *hvsmw = new TGeoVolume("TPC_HSMW",thsmw,m12); //water
// assembly heat screen muon
hvsm->AddNode(hvsmw,1);
//-----------------------------------------------
// 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);
//-------------------------------------------------
// Heat screen shaft side
//--------------------------------------------------
TGeoCone *thss = new TGeoCone(89.8,60.68,60.9,65.38,65.6);
TGeoCone *thssw = new TGeoCone(89.8,60.74,60.84,65.44,65.54);
TGeoVolume *hvss = new TGeoVolume("TPC_HSS",thss,mhs); //steel
TGeoVolume *hvssw = new TGeoVolume("TPC_HSSW",thssw,m12); //water
//assembly heat screen shaft
hvss->AddNode(hvssw,1);
//-----------------------------------------------
// 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);
v1->AddNode(hvsm,1,new TGeoTranslation(0.,0.,-163.8));
v1->AddNode(hvss,1,new TGeoTranslation(0.,0.,163.8));
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.,-71.2));
v1->AddNode(csv,2,new TGeoTranslation(0.,0.,71.2));
//
// 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+0.195,rot); //a-side
TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
x0=188.45*TMath::Cos(openingAngle);
y0=188.45*TMath::Sin(openingAngle);
TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
//
//
// A-side
//
secta->AddNode(ch,1);
secta->AddNode(iroc,1,combi1a);
secta->AddNode(oroc,1,combi2a);
//
// 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);
}
// wheels in the drift volume!
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));
// 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;iGetNRowLow()+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;iGetNRowUp()+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");
TGeoMedium *m10 = gGeoManager->GetMedium("TPC_Alumina");
TGeoMedium *m11 = gGeoManager->GetMedium("TPC_Peek");
TGeoMedium *m14 = gGeoManager->GetMedium("TPC_Alumina1");
TGeoMedium *m13 = gGeoManager->GetMedium("TPC_Brass");
//
// tpc rod is an assembly of 10 long parts and 2 short parts
// connected with alu rings and plagged on both sides.
//
//
// tpc rod long
//
TGeoPcon *rod = new TGeoPcon("rod",0.,360.,6);
rod->DefineSection(0,-10.43,1.92,2.08);
rod->DefineSection(1,-9.75,1.92,2.08);
rod->DefineSection(2,-9.75,1.8,2.2);
rod->DefineSection(3,9.75,1.8,2.2);
rod->DefineSection(4,9.75,1.92,2.08);
rod->DefineSection(5,10.43,1.92,2.08);
//
TGeoVolume *mrodl = new TGeoVolume("TPC_mrodl",rod,m6);
//
// tpc rod short
//
TGeoPcon *rod1 = new TGeoPcon("rod1",0.,360.,6);
rod1->DefineSection(0,-8.93,1.92,2.08);
rod1->DefineSection(1,-8.25,1.92,2.08);
rod1->DefineSection(2,-8.25,1.8,2.2);
rod1->DefineSection(3,8.25,1.8,2.2);
rod1->DefineSection(4,8.25,1.92,2.08);
rod1->DefineSection(5,8.93,1.92,2.08);
//
TGeoVolume *mrods = new TGeoVolume("TPC_mrods",rod1,m6);
//
// below is for the resistor rod
//
// hole for the brass connectors
//
new TGeoTube("hhole",0.,0.3,0.3);
//
//transformations for holes - initialy they
// are placed at x=0 and negative y
//
TGeoRotation *rhole = new TGeoRotation();
rhole->RotateX(90.);
TGeoCombiTrans *transf[13];
Char_t name[30];
for(Int_t i=0;i<13;i++){
//sprintf(name,"transf%d",i);
snprintf(name,30,"transf%d",i);
transf[i]= new TGeoCombiTrans(name,0.,-2.,-9.+i*1.5,rhole);
transf[i]->RegisterYourself();
}
// union expression for holes
TString operl("hhole:transf0");
for (Int_t i=1;i<13;i++){
//sprintf(name,"+hhole:transf%d",i);
snprintf(name,30,"+hhole:transf%d",i);
operl.Append(name);
}
//
TString opers("hhole:transf1");
for (Int_t i=2;i<12;i++){
//sprintf(name,"+hhole:transf%d",i);
snprintf(name,30,"+hhole:transf%d",i);
opers.Append(name);
}
//union of holes
new TGeoCompositeShape("hlv",operl.Data());
new TGeoCompositeShape("hsv",opers.Data());
//
TGeoCompositeShape *rodl = new TGeoCompositeShape("rodl","rod-hlv");
TGeoCompositeShape *rods = new TGeoCompositeShape("rods","rod1-hsv");
//rods - volumes - makrolon rods with holes
TGeoVolume *rodlv = new TGeoVolume("TPC_rodl",rodl,m6);
TGeoVolume *rodsv = new TGeoVolume("TPC_rods",rods,m6);
//brass connectors
//connectors
TGeoTube *bcon = new TGeoTube(0.,0.3,0.3);//connectors
TGeoVolume *bconv = new TGeoVolume("TPC_bcon",bcon,m13);
//
// hooks holding strips
//
new TGeoBBox("hk1",0.625,0.015,0.75);
new TGeoBBox("hk2",0.625,0.015,0.15);
TGeoTranslation *tr21 = new TGeoTranslation("tr21",0.,-0.03,-0.6);
TGeoTranslation *tr12 = new TGeoTranslation("tr12",0.,-0.03,0.6);
tr21->RegisterYourself();
tr12->RegisterYourself();
TGeoCompositeShape *hook = new TGeoCompositeShape("hook","hk1+hk2:tr21+hk2:tr12");
TGeoVolume *hookv = new TGeoVolume("TPC_hook",hook,m13);
//
// assembly of the short rod with connectors and hooks
//
//
// short rod
//
TGeoVolumeAssembly *spart = new TGeoVolumeAssembly("TPC_spart");
//
spart->AddNode( rodsv,1);
for(Int_t i=1;i<12;i++){
spart->AddNode(bconv,i,transf[i]);
}
for(Int_t i =0;i<11;i++){
spart->AddNode(hookv,i+1,new TGeoTranslation(0.,-2.315,-7.5+i*1.5));
}
//
// long rod
//
TGeoVolumeAssembly *lpart = new TGeoVolumeAssembly("TPC_lpart");
//
lpart->AddNode( rodlv,1);
for(Int_t i=0;i<13;i++){
lpart->AddNode(bconv,i+12,transf[i]);
}
for(Int_t i =0;i<13;i++){
lpart->AddNode(hookv,i+12,new TGeoTranslation(0.,-2.315,-9.+i*1.5));
}
//
// alu ring
//
new TGeoTube("ring1",2.1075,2.235,0.53);
new TGeoTube("ring2",1.7925,1.89,0.43);
new TGeoTube("ring3",1.89,2.1075,0.05);
TGeoCompositeShape *ring = new TGeoCompositeShape("ring","ring1+ring2+ring3");
TGeoVolume *ringv = new TGeoVolume("TPC_ring",ring,m3);
//
// rod assembly
//
TGeoVolumeAssembly *tpcrrod = new TGeoVolumeAssembly("TPC_rrod");//rrod
TGeoVolumeAssembly *tpcmrod = new TGeoVolumeAssembly("TPC_mrod");//makrolon rod
//long pieces
for(Int_t i=0;i<11;i++){
tpcrrod->AddNode(ringv,i+1,new TGeoTranslation(0.,0.,-105.+i*21));
tpcmrod->AddNode(ringv,i+12,new TGeoTranslation(0.,0.,-105.+i*21));
}
for(Int_t i=0;i<10;i++){
tpcrrod->AddNode(lpart,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));//resistor rod
tpcmrod->AddNode(mrodl,i+1,new TGeoTranslation(0.,0.,-94.5+i*21));//makrolon rod
}
//
// right plug - identical for all rods
//
TGeoPcon *tpcrp = new TGeoPcon(0.,360.,6);
//
tpcrp->DefineSection(0,123.05,1.89,2.1075);
tpcrp->DefineSection(1,123.59,1.89,2.1075);
//
tpcrp->DefineSection(2,123.59,1.8,2.2);
tpcrp->DefineSection(3,127.,1.8,2.2);
//
tpcrp->DefineSection(4,127.,0.,2.2);
tpcrp->DefineSection(5,127.5,0.,2.2);
//
TGeoVolume *tpcrpv = new TGeoVolume("TPC_RP",tpcrp,m6);
//
// adding short pieces and right plug
//
tpcrrod->AddNode(spart,1,new TGeoTranslation(0.,0.,-114.));
tpcrrod->AddNode(spart,2,new TGeoTranslation(0.,0.,114.));
tpcrrod->AddNode(ringv,23,new TGeoTranslation(0.,0.,-123.));
tpcrrod->AddNode(ringv,24,new TGeoTranslation(0.,0.,123.));
tpcrrod->AddNode(tpcrpv,1);
//
tpcmrod->AddNode(mrods,1,new TGeoTranslation(0.,0.,-114.));
tpcmrod->AddNode(mrods,2,new TGeoTranslation(0.,0.,114.));
tpcmrod->AddNode(ringv,25,new TGeoTranslation(0.,0.,-123.));
tpcmrod->AddNode(ringv,26,new TGeoTranslation(0.,0.,123.));
tpcmrod->AddNode(tpcrpv,2);
//
// from the ringv position to the CM is 3.0 cm!
//----------------------------------------
//
//
//HV rods - makrolon + 0.58cm (diameter) Cu ->check the length
TGeoTube *hvr = new TGeoTube(0.,1.465,123.);
TGeoTube *hvc = new TGeoTube(0.,0.29,123.);
//
TGeoVolume *hvrv = new TGeoVolume("TPC_HV_Rod",hvr,m6);
TGeoVolume *hvcv = new TGeoVolume("TPC_HV_Cable",hvc,m7);
hvrv->AddNode(hvcv,1);
//
//resistor rod
//
TGeoTube *cr = new TGeoTube(0.,0.45,123.);
TGeoTube *cw = new TGeoTube(0.,0.15,123.);
TGeoVolume *crv = new TGeoVolume("TPC_CR",cr,m10);
TGeoVolume *cwv = new TGeoVolume("TPC_W",cw,m12);
//
// ceramic rod with water
//
crv->AddNode(cwv,1);
//
//peek rod
//
TGeoTube *pr =new TGeoTube(0.2,0.35,123.);
TGeoVolume *prv = new TGeoVolume("TPC_PR",pr,m11);
//
// copper plates with connectors
//
new TGeoTube("tub",0.,1.7,0.025);
//
// half space - points on the plane and a normal vector
//
Double_t n[3],p[3];
Double_t slope = TMath::Tan(22.*TMath::DegToRad());
Double_t intp = 1.245;
//
Double_t b = slope*slope+1.;
p[0]=intp*slope/b;
p[1]=-intp/b;
p[2]=0.;
//
n[0]=-p[0];
n[1]=-p[1];
n[2]=0.;
Double_t norm;
norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
n[0] /= norm;
n[1] /=norm;
//
new TGeoHalfSpace("sp1",p,n);
//
slope = -slope;
//
p[0]=intp*slope/b;
p[1]=-intp/b;
//
n[0]=-p[0];
n[1]=-p[1];
norm=TMath::Sqrt(n[0]*n[0]+n[1]*n[1]);
n[0] /= norm;
n[1] /=norm;
//
new TGeoHalfSpace("sp2",p,n);
// holes for rods
//holes
new TGeoTube("h1",0.,0.5,0.025);
new TGeoTube("h2",0.,0.35,0.025);
//translations:
TGeoTranslation *ttr11 = new TGeoTranslation("ttr11",-0.866,0.5,0.);
TGeoTranslation *ttr22 = new TGeoTranslation("ttr22",0.866,0.5,0.);
ttr11->RegisterYourself();
ttr22->RegisterYourself();
// elastic connector
new TGeoBBox("elcon",0.72,0.005,0.3);
TGeoRotation *crr1 = new TGeoRotation();
crr1->RotateZ(-22.);
TGeoCombiTrans *ctr1 = new TGeoCombiTrans("ctr1",-0.36011, -1.09951,-0.325,crr1);
ctr1->RegisterYourself();
TGeoCompositeShape *cs1 = new TGeoCompositeShape("cs1",
"(((((tub-h1:ttr11)-h1:ttr22)-sp1)-sp2)-h2)+elcon:ctr1");
//
TGeoVolume *csvv = new TGeoVolume("TPC_RR_CU",cs1,m7);
//
// resistor rod assembly 2 ceramic rods, peak rod, Cu plates
// and resistors
//
TGeoVolumeAssembly *rrod = new TGeoVolumeAssembly("TPC_RRIN");
// rods
rrod->AddNode(crv,1,ttr11);
rrod->AddNode(crv,2,ttr22);
rrod->AddNode(prv,1);
//Cu plates
for(Int_t i=0;i<165;i++){
rrod->AddNode(csvv,i+1,new TGeoTranslation(0.,0.,-122.675+i*1.5));
}
//resistors
TGeoTube *res = new TGeoTube(0.,0.15,0.5);
TGeoVolume *resv = new TGeoVolume("TPC_RES",res,m14);
TGeoVolumeAssembly *ress = new TGeoVolumeAssembly("TPC_RES_CH");
ress->AddNode(resv,1,new TGeoTranslation(0.2,0.,0.));
ress->AddNode(resv,2,new TGeoTranslation(-0.2,0.,0.));
//
TGeoRotation *crr2 = new TGeoRotation();
crr2->RotateY(30.);
TGeoRotation *crr3 = new TGeoRotation();
crr3->RotateY(-30.);
//
for(Int_t i=0;i<164;i+=2){
rrod->AddNode(ress,i+1, new TGeoCombiTrans(0.,1.2,-121.925+i*1.5,crr2));
rrod->AddNode(ress,i+2, new TGeoCombiTrans(0.,1.2,-121.925+(i+1)*1.5,crr3));
}
tpcrrod->AddNode(rrod,1,new TGeoCombiTrans(0.,0.,0.5,crr1));
//
// rod left head with holders - inner
//
// first element - support for inner holder TPC_IHS
Double_t shift1[3] = {0.0,-0.175,0.0};
new TGeoBBox("tpcihs1", 4.7, 0.66, 2.35);
new TGeoBBox("tpcihs2", 4.7, 0.485, 1.0, shift1);
new TGeoBBox("tpcihs3", 1.5, 0.485, 2.35, shift1);
new TGeoTube("tpcihs4", 0.0, 2.38, 0.1);
//
Double_t pointstrap[16];
pointstrap[0]= 0.0;
pointstrap[1]= 0.0;
pointstrap[2]= 0.0;
pointstrap[3]= 1.08;
pointstrap[4]= 2.3;
pointstrap[5]= 1.08;
pointstrap[6]= 3.38;
pointstrap[7]= 0.0;
pointstrap[8]= 0.0;
pointstrap[9]= 0.0;
pointstrap[10]= 0.0;
pointstrap[11]= 1.08;
pointstrap[12]= 2.3;
pointstrap[13]= 1.08;
pointstrap[14]= 3.38;
pointstrap[15]= 0.0;
//
TGeoArb8 *tpcihs5 = new TGeoArb8("tpcihs5", 0.6, pointstrap);
//
// half space - cutting "legs"
//
p[0]=0.0;
p[1]=0.105;
p[2]=0.0;
//
n[0] = 0.0;
n[1] = 1.0;
n[2] = 0.0;
new TGeoHalfSpace("cutil1", p, n);
//
// transformations
//
TGeoTranslation *trans2 = new TGeoTranslation("trans2", 0.0, 2.84, 2.25);
trans2->RegisterYourself();
TGeoTranslation*trans3= new TGeoTranslation("trans3", 0.0, 2.84, -2.25);
trans3->RegisterYourself();
//support - composite volume
//
TGeoCompositeShape *tpcihs6 = new TGeoCompositeShape("tpcihs6", "tpcihs1-(tpcihs2+tpcihs3)-(tpcihs4:trans2)-(tpcihs4:trans3)-cutil1");
//
// volumes - all makrolon
//
TGeoVolume *tpcihss = new TGeoVolume("TPC_IHSS", tpcihs6, m6); //support
TGeoVolume *tpcihst = new TGeoVolume("TPC_IHSTR",tpcihs5 , m6); //trapesoid
//now assembly
TGeoRotation *rot111 = new TGeoRotation();
rot111->RotateY(180.0);
//
TGeoVolumeAssembly *tpcihs = new TGeoVolumeAssembly("TPC_IHS"); // assembly of the support
tpcihs->AddNode(tpcihss, 1);
tpcihs->AddNode(tpcihst, 1, new TGeoTranslation(-4.7, 0.66, 0.0));
tpcihs->AddNode(tpcihst, 2, new TGeoCombiTrans(4.7, 0.66, 0.0, rot111));
//
// two rod holders (TPC_IRH) assembled with the support
//
new TGeoBBox("tpcirh1", 4.7, 1.33, 0.5);
shift1[0]=-3.65;
shift1[1]=0.53;
shift1[2]=0.;
new TGeoBBox("tpcirh2", 1.05, 0.8, 0.5, shift1);
shift1[0]=3.65;
shift1[1]=0.53;
shift1[2]=0.;
new TGeoBBox("tpcirh3", 1.05, 0.8, 0.5, shift1);
shift1[0]=0.0;
shift1[1]=1.08;
shift1[2]=0.;
new TGeoBBox("tpcirh4", 1.9, 0.25, 0.5, shift1);
new TGeoTube("tpcirh5", 0, 1.9, 5);
//
TGeoTranslation *trans4 = new TGeoTranslation("trans4", 0, 0.83, 0.0);
trans4->RegisterYourself();
//
TGeoCompositeShape *tpcirh6 = new TGeoCompositeShape("tpcirh6", "tpcirh1-tpcirh2-tpcirh3-(tpcirh5:trans4)-tpcirh4");
//
// now volume
//
TGeoVolume *tpcirh = new TGeoVolume("TPC_IRH", tpcirh6, m6);
//
// and all together...
//
TGeoVolume *tpciclamp = new TGeoVolumeAssembly("TPC_ICLP");
tpciclamp->AddNode(tpcihs, 1);
tpciclamp->AddNode(tpcirh, 1, new TGeoTranslation(0, 1.99, 1.1));
tpciclamp->AddNode(tpcirh, 2, new TGeoTranslation(0, 1.99, -1.1));
//
// and now left inner "head"
//
TGeoPcon *inplug = new TGeoPcon("inplug", 0.0, 360.0, 14);
inplug->DefineSection(0, 0.3, 0.0, 2.2);
inplug->DefineSection(1, 0.6, 0.0, 2.2);
inplug->DefineSection(2, 0.6, 0.0, 1.75);
inplug->DefineSection(3, 0.7, 0.0, 1.75);
inplug->DefineSection(4, 0.7, 1.55, 1.75);
inplug->DefineSection(5, 1.6, 1.55, 1.75);
inplug->DefineSection(6, 1.6, 1.55, 2.2);
inplug->DefineSection(7, 1.875, 1.55, 2.2);
inplug->DefineSection(8, 1.875, 1.55, 2.2);
inplug->DefineSection(9, 2.47, 1.75, 2.2);
inplug->DefineSection(10, 2.47, 1.75, 2.08);
inplug->DefineSection(11, 2.57, 1.8, 2.08);
inplug->DefineSection(12, 2.57, 1.92, 2.08);
inplug->DefineSection(13, 2.95, 1.92, 2.08);
//
shift1[0]=0.0;
shift1[1]=-2.09;
shift1[2]=1.075;
//
new TGeoBBox("pcuti", 1.5, 0.11, 1.075, shift1);
//
TGeoCompositeShape *inplleft = new TGeoCompositeShape("inplleft", "inplug-pcuti");
TGeoVolume *tpcinlplug = new TGeoVolume("TPC_INPLL", inplleft, m6);
//
// holder + plugs
//
TGeoVolume *tpcihpl = new TGeoVolumeAssembly("TPC_IHPL"); //holder+2 plugs (reflected)
tpcihpl->AddNode(tpcinlplug, 1);
tpcihpl->AddNode(tpcinlplug, 2,ref);
tpcihpl->AddNode(tpciclamp,1,new TGeoTranslation(0.0, -2.765, 0.0));
//
// outer holders and clamps
//
// outer membrane holder (between rods)
pointstrap[0]= 0.0;
pointstrap[1]= 0.0;
pointstrap[2]= 0.0;
pointstrap[3]= 2.8;
pointstrap[4]= 3.1;
pointstrap[5]= 2.8-3.1*TMath::Tan(15.*TMath::DegToRad());
pointstrap[6]= 3.1;
pointstrap[7]= 0.0;
pointstrap[8]= 0.0;
pointstrap[9]= 0.0;
pointstrap[10]= 0.0;
pointstrap[11]= 2.8;
pointstrap[12]= 3.1;
pointstrap[13]= 2.8-3.1*TMath::Tan(15.*TMath::DegToRad());
pointstrap[14]= 3.1;
pointstrap[15]= 0.0;
//
TGeoArb8 *tpcomh1 = new TGeoArb8("tpcomh1", 1.05, pointstrap);
TGeoBBox *tpcomh2 = new TGeoBBox("tpcomh2", 0.8, 1.4, 6);
//
TGeoVolume *tpcomh1v = new TGeoVolume("TPC_OMH1", tpcomh1, m7);
TGeoVolume *tpcomh2v = new TGeoVolume("TPC_OMH2", tpcomh2, m7);
//
TGeoVolume *tpcomh3v = new TGeoVolumeAssembly("TPC_OMH3"); // assembly1
tpcomh3v->AddNode(tpcomh1v, 1, new TGeoTranslation(0.8, -1.4, 4.95));
tpcomh3v->AddNode(tpcomh1v, 2, new TGeoTranslation(0.8, -1.4, -4.95));
tpcomh3v->AddNode(tpcomh2v, 1);
//
shift1[0] = 0.9;
shift1[1] = -1.85;
shift1[2] = 0.0;
//
new TGeoBBox("tpcomh3", 1.65, 1.15, 3.4);
TGeoBBox *tpcomh4 = new TGeoBBox("tpcomh4", 0.75, 0.7, 3.4, shift1);
//
// halfspace 1
//
p[0] = 0.0;
p[1] = -1.05;
p[2] = -3.4;
//
n[0] = 0.0;
n[1] = -1.0*TMath::Tan(30.*TMath::DegToRad());
n[2] = 1.0;
//
new TGeoHalfSpace("cutomh1", p, n);
//
// halfspace 2
//
p[0] = 0.0;
p[1] = -1.05;
p[2] = 3.4;
//
n[0] = 0.0;
n[1] = -1.0*TMath::Tan(30.*TMath::DegToRad());
n[2] = -1.0;
//
new TGeoHalfSpace("cutomh2", p, n);
//
// halfspace 3
//
p[0] = -1.65;
p[1] = 0.0;
p[2] = -0.9;
//
n[0] = 1.0*TMath::Tan(75.*TMath::DegToRad());
n[1] = 0.0;
n[2] = 1.0;
//
new TGeoHalfSpace("cutomh3", p, n);
//
// halfspace 4
//
p[0] = -1.65;
p[1] = 0.0;
p[2] = 0.9;
//
n[0] = 1.0*TMath::Tan(75*TMath::DegToRad());
n[1] = 0.0;
n[2] = -1.0;
//
new TGeoHalfSpace("cutomh4", p, n);
//
// halsfspace 5
//
p[0] = 1.65;
p[1] = -1.05;
p[2] = 0.0;
//
n[0] = -1.0;
n[1] = -1.0*TMath::Tan(20.*TMath::DegToRad());
n[2] = 0.0;
//
new TGeoHalfSpace("cutomh5", p, n);
//
TGeoCompositeShape *tpcomh5 = new TGeoCompositeShape("tpcomh5", "tpcomh3-cutomh1-cutomh2-cutomh3-cutomh4-cutomh5");
//
TGeoVolume *tpcomh5v = new TGeoVolume("TPC_OMH5",tpcomh5,m6);
TGeoVolume *tpcomh4v = new TGeoVolume("TPC_OMH6",tpcomh4,m6);
//
TGeoVolumeAssembly *tpcomh7v = new TGeoVolumeAssembly("TPC_OMH7");
tpcomh7v->AddNode(tpcomh5v,1);
tpcomh7v->AddNode(tpcomh4v,1);
//
// full membrane holder - tpcomh3v + tpcomh7v
//
TGeoVolumeAssembly *tpcomh = new TGeoVolumeAssembly("TPC_OMH");
tpcomh->AddNode(tpcomh3v,1,new TGeoTranslation(1.5,0.,0.));
tpcomh->AddNode(tpcomh3v,2,new TGeoCombiTrans(-1.5,0.,0.,rot111));
tpcomh->AddNode(tpcomh7v,1,new TGeoTranslation(0.65+1.5, 2.55, 0.0));
tpcomh->AddNode(tpcomh7v,2,new TGeoCombiTrans(-0.65-1.5, 2.55, 0.0,rot111));
//
// outer rod holder support
//
new TGeoBBox("tpcohs1", 3.8, 0.675, 2.35);
//
shift1[0] = 0.0;
shift1[1] = 0.175;
shift1[2] = 0.0;
//
new TGeoBBox("tpcohs2", 1.5, 0.5, 2.35, shift1);
new TGeoBBox("tpcohs3", 3.8, 0.5, 0.85, shift1);
//
shift1[0] = 0.0;
shift1[1] = -1.175;
shift1[2] = 0.0;
//
TGeoBBox *tpcohs4 = new TGeoBBox("tpsohs4", 3.1, 0.5, 0.7, shift1);
//
TGeoVolume *tpcohs4v = new TGeoVolume("TPC_OHS4", tpcohs4, m6);
//
p[0] = 0.0;
p[1] = -0.186;
p[2] = 0.0;
//
n[0] = 0.0;
n[1] = -1.0;
n[2] = 0.0;
//
new TGeoHalfSpace("cutohs1", p, n);
//
TGeoCompositeShape *tpcohs5 = new TGeoCompositeShape("tpcohs5", "tpcohs1-tpcohs2-tpcohs3-cutohs1");
TGeoVolume *tpcohs5v = new TGeoVolume("TPC_OHS5", tpcohs5, m6);
//
TGeoVolumeAssembly *tpcohs = new TGeoVolumeAssembly("TPC_OHS");
tpcohs->AddNode(tpcohs5v, 1);
tpcohs->AddNode(tpcohs4v, 1);
//
// outer rod holder itself
//
shift1[0] = 0.0;
shift1[1] = 1.325;
shift1[2] = 0.0;
new TGeoBBox("tpcorh1", 3.1, 1.825, 0.55); //from this box we cut pieces...
//
shift1[0] = -3.1;
shift1[1] = -0.5;
shift1[2] = 0.0;
//
new TGeoBBox("tpcorh2", 0.5, 2.75, 1.1, shift1);
//
shift1[0] = 3.1;
shift1[1] = -0.5;
shift1[2] = 0.0;
//
new TGeoBBox("tpcorh3", 0.5, 2.75, 1.1, shift1);
//
shift1[0] = 0.0;
shift1[1] = -0.5;
shift1[2] = -0.95;
//
new TGeoBBox("tpcorh4", 3.9, 2.75, 0.5, shift1);
//
shift1[0] = 0.0;
shift1[1] = -0.5;
shift1[2] = 0.0;
//
new TGeoBBox("tpcorh5", 1.95, 0.5, 1.1, shift1);
//
shift1[0] = 0.0;
shift1[1] = -0.5;
shift1[2] = 0.55;
//
new TGeoBBox("tpcorh6", 2.4, 0.5, 0.6, shift1);
//
new TGeoTube("tpcorh7", 0, 1.95, 0.85);
new TGeoTube("tpcorh8", 0, 2.4, 0.6);
//
TGeoTranslation *trans33 = new TGeoTranslation("trans33", 0.0, 0.0, 0.55);
trans33->RegisterYourself();
//
TGeoCompositeShape *tpcorh9 = new TGeoCompositeShape("tpcorh9", "tpcorh1-tpcorh2-tpcorh3-tpcorh4-tpcorh5-tpcorh6-(tpcorh8:trans33)-tpcorh7");
//
TGeoVolume *tpcorh9v = new TGeoVolume("TPC_ORH",tpcorh9,m6); //outer rod holder
//
// now 2 holders together
//
TGeoVolumeAssembly *tpcorh = new TGeoVolumeAssembly("TPC_ORH2");
//
tpcorh->AddNode(tpcorh9v,1,new TGeoTranslation(0.0, 0.0, 1.25));
tpcorh->AddNode(tpcorh9v,2,new TGeoCombiTrans(0.0, 0.0, -1.25,rot111));
//
// outer rod plug left
//
TGeoPcon *outplug = new TGeoPcon("outplug", 0.0, 360.0, 14);
outplug->DefineSection(0, 0.5, 0.0, 2.2);
outplug->DefineSection(1, 0.7, 0.0, 2.2);
outplug->DefineSection(2, 0.7, 1.55, 2.2);
outplug->DefineSection(3, 0.8, 1.55, 2.2);
outplug->DefineSection(4, 0.8, 1.55, 1.75);
outplug->DefineSection(5, 1.2, 1.55, 1.75);
outplug->DefineSection(6, 1.2, 1.55, 2.2);
outplug->DefineSection(7, 1.875, 1.55, 2.2);
outplug->DefineSection(8, 1.875, 1.55, 2.2);
outplug->DefineSection(9, 2.47, 1.75, 2.2);
outplug->DefineSection(10, 2.47, 1.75, 2.08);
outplug->DefineSection(11, 2.57, 1.8, 2.08);
outplug->DefineSection(12, 2.57, 1.92, 2.08);
outplug->DefineSection(13, 2.95, 1.92, 2.08);
//
shift1[0] = 0.0;
shift1[1] = 2.09;
shift1[2] = 1.01;
new TGeoBBox("cutout", 2.5, 0.11, 1.01, shift1);
//
TGeoCompositeShape *outplleft = new TGeoCompositeShape("outplleft", "outplug-cutout");
TGeoVolume *outplleftv = new TGeoVolume("TPC_OPLL", outplleft, m6);
//
// support + holder + plug
//
TGeoVolumeAssembly *tpcohpl = new TGeoVolumeAssembly("TPC_OHPL");
//
tpcohpl->AddNode(outplleftv,1); //plug
tpcohpl->AddNode(outplleftv,2,ref); //plug reflected
tpcohpl->AddNode(tpcorh,1); //rod holder
tpcohpl->AddNode(tpcohs,1,new TGeoTranslation(0.0, 3.925, 0)); // support
//
//
// main membrane holder
//
pointstrap[0]= 0.0;
pointstrap[1]= 0.0;
pointstrap[2]= 0.0;
pointstrap[3]= 2.8;
pointstrap[4]= 3.1;
pointstrap[5]= 1.96;
pointstrap[6]= 3.1;
pointstrap[7]= 0.0;
pointstrap[8]= 0.0;
pointstrap[9]= 0.0;
pointstrap[10]= 0.0;
pointstrap[11]= 2.8;
pointstrap[12]= 3.1;
pointstrap[13]= 1.96;
pointstrap[14]= 3.1;
pointstrap[15]= 0.0;
//
TGeoArb8 *tpcmmh1 = new TGeoArb8("tpcmmh1", 1.75, pointstrap);
TGeoBBox *tpcmmh2 = new TGeoBBox("tpcmmh2", 0.8, 1.4, 12.5);
//
TGeoVolume *tpcmmh1v = new TGeoVolume("TPC_MMH1", tpcmmh1, m6);
TGeoVolume *tpcmmh2v = new TGeoVolume("TPC_MMH2", tpcmmh2, m6);
//
TGeoVolumeAssembly *tpcmmhs = new TGeoVolumeAssembly("TPC_MMHS");
tpcmmhs->AddNode(tpcmmh1v,1,new TGeoTranslation(0.8, -1.4, 10.75));
tpcmmhs->AddNode(tpcmmh1v,2,new TGeoTranslation(0.8, -1.4, -10.75));
tpcmmhs->AddNode(tpcmmh2v,1);
//
// main membrahe holder clamp
//
shift1[0] = -0.75;
shift1[1] = -1.15;
shift1[2] = 0.0;
//
new TGeoBBox("tpcmmhc1", 1.65, 1.85, 8.9);
new TGeoBBox("tpcmmhc2", 0.9, 0.7, 8.9, shift1);
//
// half spaces - cuts
//
p[0] = -1.65;
p[1] = 0.0;
p[2] = -0.9;
//
n[0] = 8.0;
n[1] = 0.0;
n[2] = 8.0*TMath::Tan(13.*TMath::DegToRad());
//
new TGeoHalfSpace("cutmmh1", p, n);
//
p[0] = -1.65;
p[1] = 0.0;
p[2] = 0.9;
//
n[0] = 8.0;
n[1] = 0.0;
n[2] = -8.0*TMath::Tan(13.*TMath::DegToRad());
//
new TGeoHalfSpace("cutmmh2", p, n);
//
p[0] = 0.0;
p[1] = 1.85;
p[2] = -2.8;
//
n[0] = 0.0;
n[1] = -6.1;
n[2] = 6.1*TMath::Tan(20.*TMath::DegToRad());
//
new TGeoHalfSpace("cutmmh3", p, n);
//
p[0] = 0.0;
p[1] = 1.85;
p[2] = 2.8;
//
n[0] = 0.0;
n[1] = -6.1;
n[2] = -6.1*TMath::Tan(20*TMath::DegToRad());
//
new TGeoHalfSpace("cutmmh4", p, n);
//
p[0] = 0.75;
p[1] = 0.0;
p[2] = -8.9;
//
n[0] = 2.4*TMath::Tan(30*TMath::DegToRad());
n[1] = 0.0;
n[2] = 2.4;
//
new TGeoHalfSpace("cutmmh5", p, n);
//
p[0] = 0.75;
p[1] = 0.0;
p[2] = 8.9;
//
n[0] = 2.4*TMath::Tan(30*TMath::DegToRad());
n[1] = 0.0;
n[2] = -2.4;
//
new TGeoHalfSpace("cutmmh6", p, n);
TGeoCompositeShape *tpcmmhc = new TGeoCompositeShape("TPC_MMHC", "tpcmmhc1-tpcmmhc2-cutmmh1-cutmmh2-cutmmh3-cutmmh4-cutmmh5-cutmmh6");
TGeoVolume *tpcmmhcv = new TGeoVolume("TPC_MMHC",tpcmmhc,m6);
//
TGeoVolume *tpcmmh = new TGeoVolumeAssembly("TPC_MMH");
//
tpcmmh->AddNode(tpcmmhcv,1,new TGeoTranslation(0.65+1.5, 1.85, 0.0));
tpcmmh->AddNode(tpcmmhcv,2,new TGeoCombiTrans(-0.65-1.5, 1.85, 0.0,rot111));
tpcmmh->AddNode(tpcmmhs,1,new TGeoTranslation(1.5, 0.0, 0.0));
tpcmmh->AddNode(tpcmmhs,2,new TGeoCombiTrans(-1.5, 0.0, 0.0,rot111));
//
//
//--------------------------------------------
//
// guard ring resistor chain
//
TGeoTube *gres1 = new TGeoTube(0.,0.375,125.);// inside ifc
//
TGeoVolume *vgres1 = new TGeoVolume("TPC_GRES1",gres1,m14);
//
Double_t xrc,yrc;
//
xrc=79.3*TMath::Cos(350.*TMath::DegToRad());
yrc=79.3*TMath::Sin(350.*TMath::DegToRad());
//
v9->AddNode(vgres1,1,new TGeoTranslation(xrc,yrc,126.9));
v9->AddNode(vgres1,2,new TGeoTranslation(xrc,yrc,-126.9));
//
xrc=79.3*TMath::Cos(190.*TMath::DegToRad());
yrc=79.3*TMath::Sin(190.*TMath::DegToRad());
//
v9->AddNode(vgres1,3,new TGeoTranslation(xrc,yrc,126.9));
v9->AddNode(vgres1,4,new TGeoTranslation(xrc,yrc,-126.9));
//------------------------------------------------------------------
TGeoRotation refl("refl",90.,0.,90.,90.,180.,0.);
TGeoRotation rotrod("rotrod");
//
TGeoRotation *rotpos[2];
//
TGeoRotation *rotrod1[2];
//v9 - drift gas
TGeoRotation rot102("rot102");
rot102.RotateY(-90.);
for(Int_t i=0;i<18;i++){
Double_t angle,x,y;
Double_t z,r;
angle=TMath::DegToRad()*20.*(Double_t)i;
//inner rods
r=81.5;
x=r * TMath::Cos(angle);
y=r * TMath::Sin(angle);
z = 126.;
TGeoRotation *rot12 = new TGeoRotation();
rot12->RotateZ(-90.0+i*20.);
v9->AddNode(tpcihpl,i+1,new TGeoCombiTrans(x, y, 0., rot12));
//
if(i==11){//resistor rod inner
rotrod.RotateZ(-90.+angle);
rotrod1[0]= new TGeoRotation();
rotpos[0]= new TGeoRotation();
//
rotrod1[0]->RotateZ(-90.+angle);
*rotpos[0] = refl*rotrod; //rotation+reflection
v9->AddNode(tpcrrod,1,new TGeoCombiTrans(x,y, z, rotrod1[0])); //A
v9->AddNode(tpcrrod,2,new TGeoCombiTrans(x,y,-z, rotpos[0])); //C
}
else {
v9->AddNode(tpcmrod,i+1,new TGeoTranslation(x,y,z));//shaft
v9->AddNode(tpcmrod,i+19,new TGeoCombiTrans(x,y,-z,ref));//muon
}
// outer rods
r=254.25;
x=r * TMath::Cos(angle);
y=r * TMath::Sin(angle);
z=126.;
//
// outer rod holder + outer left plug
//
TGeoRotation *rot33 = new TGeoRotation();
rot33->RotateZ(-90+i*20.);
//
v9->AddNode(tpcohpl,i+1,new TGeoCombiTrans(x, y, 0., rot33));
//
Double_t xxx = 256.297*TMath::Cos((i*20.+10.)*TMath::DegToRad());
Double_t yyy = 256.297*TMath::Sin((i*20.+10.)*TMath::DegToRad());
//
TGeoRotation rot101("rot101");
rot101.RotateZ(90.+i*20.+10.);
TGeoRotation *rot103 = new TGeoRotation("rot103");
*rot103 = rot101*rot102;
//
TGeoCombiTrans *trh100 = new TGeoCombiTrans(xxx,yyy,0.,rot103);
//
if(i==2) {
//main membrane holder
v9->AddNode(tpcmmh,1,trh100);
}
else{
// "normal" membrane holder
v9->AddNode(tpcomh,i+1,trh100);
}
//
if(i==3){//resistor rod outer
rotrod.RotateZ(90.+angle);
rotrod1[1]= new TGeoRotation();
rotpos[1]= new TGeoRotation();
rotrod1[1]->RotateZ(90.+angle);
*rotpos[1] = refl*rotrod;//rotation+reflection
v9->AddNode(tpcrrod,3,new TGeoCombiTrans(x,y, z, rotrod1[1])); //A
v9->AddNode(tpcrrod,4,new TGeoCombiTrans(x,y, -z, rotpos[1])); //C
}
else {
v9->AddNode(tpcmrod,i+37,new TGeoTranslation(x,y,z));//shaft
v9->AddNode(tpcmrod,i+55,new TGeoCombiTrans(x,y,-z,ref));//muon
}
if(i==15){
v9->AddNode(hvrv,1,new TGeoTranslation(x,y,z+0.7)); //hv->A-side only
}
} //end of rods positioning
TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
alice->AddNode(v1,1);
} // end of function
//_____________________________________________________________________________
void AliTPCv4::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 AliTPCv4::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;
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++;
}
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++;
}
}
//_____________________________________________________________________________
void AliTPCv4::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;
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++;
}
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 AliTPCv4::CreateMaterials()
{
//
// Define materials for version 2 of the Time Projection Chamber
//
AliTPC::CreateMaterials();
}
//_____________________________________________________________________________
void AliTPCv4::Init()
{
//
// Initialises version 2 of the TPC after that it has been built
//
//Int_t *idtmed = fIdtmed->GetArray();
AliTPC::Init();
fIdSens=TVirtualMC::GetMC()->VolId("TPC_Strip"); // one strip is always selected...
fIDrift=TVirtualMC::GetMC()->VolId("TPC_Drift");
fSecOld=-100; // fake number
TVirtualMC::GetMC()->SetMaxNStep(-30000); // max. number of steps increased
// specific energy loss set in galice.cuts
AliInfo("*** TPC version 4 initialized ***");
AliInfo(Form("Maximum number of steps = %d",TVirtualMC::GetMC()->GetMaxNStep()));
//
}
//_____________________________________________________________________________
void AliTPCv4::StepManager()
{
//
// Called for every step in the Time Projection Chamber
//
//
// parameters used for the energy loss calculations
//
Float_t prim = fTPCParam->GetNprim();
Float_t poti = fTPCParam->GetFpot();
Float_t wIon = fTPCParam->GetWmean();
const Float_t kbig = 1.e10;
Int_t id,copy;
Float_t hits[5];
Int_t vol[2];
TLorentzVector p;
vol[1]=0; // preset row number to 0
//
TVirtualMC::GetMC()->SetMaxStep(kbig);
Float_t charge = TVirtualMC::GetMC()->TrackCharge();
if(TMath::Abs(charge)<=0.) return; // take only charged particles
// check the sensitive volume
id = TVirtualMC::GetMC()->CurrentVolID(copy); // vol ID and copy number (starts from 1!)
if(id != fIDrift && id != fIdSens) return; // not in the sensitive folume
TVirtualMC::GetMC()->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;
// 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 (TVirtualMC::GetMC()->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]GetNInnerSector()&&vol[1] == 0){
// lower sector, row 0, because Jouri wants to have this
TVirtualMC::GetMC()->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]=TVirtualMC::GetMC()->TrackTime();
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
}
//
TVirtualMC::GetMC()->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]=TVirtualMC::GetMC()->TrackTime();
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
}
else return;
}
//-----------------------------------------------------------------
// charged particle is in the sensitive drift volume
//-----------------------------------------------------------------
if(TVirtualMC::GetMC()->TrackStep() > 0){
Int_t nel = (Int_t)(((TVirtualMC::GetMC()->Edep())-poti)/wIon) + 1;
nel=TMath::Min(nel,30); // 30 electrons corresponds to 1 keV
//
TVirtualMC::GetMC()->TrackPosition(p);
hits[0]=p[0];
hits[1]=p[1];
hits[2]=p[2];
hits[3]=(Float_t)nel;
// Add this hit
//if (fHitType&&2){
if(fHitType){
TVirtualMC::GetMC()->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]=TVirtualMC::GetMC()->TrackTime();
AddHit(gAlice->GetMCApp()->GetCurrentTrackNumber(), vol,hits);
} // step>0
} //within sector's limits
// Stemax calculation for the next step
if(!TVirtualMC::GetMC()->IsTrackAlive()) return; // particle has disappeared
Float_t pp;
TLorentzVector mom;
TVirtualMC::GetMC()->TrackMomentum(mom);
Float_t ptot=mom.Rho();
Float_t betaGamma = ptot/TVirtualMC::GetMC()->TrackMass();
Int_t pid=TVirtualMC::GetMC()->TrackPid();
// if((pid==kElectron || pid==kPositron) && ptot > 0.002)
// {
// pp = prim*1.58; // electrons above 20 MeV/c are on the plateau!
// }
// else
// {
betaGamma = TMath::Max(betaGamma,(Float_t)7.e-3); // protection against too small bg
TVectorD* bbpar = fTPCParam->GetBetheBlochParameters(); //get parametrization from OCDB
pp=prim*AliMathBase::BetheBlochAleph(betaGamma,(*bbpar)(0),(*bbpar)(1),(*bbpar)(2),(*bbpar)(3),(*bbpar)(4));
if(TMath::Abs(charge) > 1.) pp *= (charge*charge);
// }
Double_t rnd = TVirtualMC::GetMC()->GetRandom()->Rndm();
TVirtualMC::GetMC()->SetMaxStep(-TMath::Log(rnd)/pp);
}