ClassImp(AliTPCv3)
//_____________________________________________________________________________
- AliTPCv3::AliTPCv3(){
+ AliTPCv3::AliTPCv3():AliTPC(),fIdSens(0)
+{
fHitType = 1;
//_____________________________________________________________________________
AliTPCv3::AliTPCv3(const char *name, const char *title) :
- AliTPC(name, title)
+ AliTPC(name, title), fIdSens(0)
{
//
// Standard constructor for Time Projection Chamber version 3
//
SetBufferSize(128000);
- fIdSens=0;
-
if (fTPCParam)
fTPCParam->Write(fTPCParam->GetTitle());
//
// define reflection matrix
//
- TGeoRotation *ref = new TGeoRotation("ref",90.,0.,90.,270.,180.,0.);
+ 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.,-72.1));
- v1->AddNode(siv,2,new TGeoTranslation(0.,0.,72.1));
+ 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
// end caps - they are make as an assembly of single segments
// containing both readout chambers
//
- Double_t OpeningAngle = 10.*TMath::DegToRad();
+ Double_t openingAngle = 10.*TMath::DegToRad();
Double_t thick=1.5; // rib
- Double_t shift = thick/TMath::Sin(OpeningAngle);
+ Double_t shift = thick/TMath::Sin(openingAngle);
//
- Double_t LowEdge = 86.3; // hole in the wheel
- Double_t UpEdge = 240.4; // hole in the wheel
+ Double_t lowEdge = 86.3; // hole in the wheel
+ Double_t upEdge = 240.4; // hole in the wheel
//
new TGeoTubeSeg("sec",74.5,264.4,3.,0.,20.);
//
TGeoPgon *hole = new TGeoPgon("hole",0.,20.,1,4);
//
- hole->DefineSection(0,-3.5,LowEdge-shift,UpEdge-shift);
- hole->DefineSection(1,-1.5,LowEdge-shift,UpEdge-shift);
+ hole->DefineSection(0,-3.5,lowEdge-shift,upEdge-shift);
+ hole->DefineSection(1,-1.5,lowEdge-shift,upEdge-shift);
//
- hole->DefineSection(2,-1.5,LowEdge-shift,UpEdge+3.-shift);
- hole->DefineSection(3,3.5,LowEdge-shift,UpEdge+3.-shift);
+ hole->DefineSection(2,-1.5,lowEdge-shift,upEdge+3.-shift);
+ hole->DefineSection(3,3.5,lowEdge-shift,upEdge+3.-shift);
//
- Double_t ys = shift*TMath::Sin(OpeningAngle);
- Double_t xs = shift*TMath::Cos(OpeningAngle);
+ Double_t ys = shift*TMath::Sin(openingAngle);
+ Double_t xs = shift*TMath::Cos(openingAngle);
TGeoTranslation *tr = new TGeoTranslation("tr",xs,ys,0.);
tr->RegisterYourself();
TGeoCompositeShape *chamber = new TGeoCompositeShape("sec-hole:tr");
//
// now iroc and oroc are placed into a sector...
//
- TGeoVolumeAssembly *sect = new TGeoVolumeAssembly("TPC_SECT");
+ TGeoVolumeAssembly *secta = new TGeoVolumeAssembly("TPC_SECT"); // a-side
+ TGeoVolumeAssembly *sectc = new TGeoVolumeAssembly("TPC_SECT"); // c-side
TGeoRotation rot1("rot1",90.,90.,0.);
TGeoRotation rot2("rot2");
rot2.RotateY(10.);
*rot=rot1*rot2;
//
Double_t x0,y0;
- x0=110.2*TMath::Cos(OpeningAngle);
- y0=110.2*TMath::Sin(OpeningAngle);
- TGeoCombiTrans *combi1 = new TGeoCombiTrans("combi1",x0,y0,1.09,rot);
- x0=188.45*TMath::Cos(OpeningAngle);
- y0=188.45*TMath::Sin(OpeningAngle);
- TGeoCombiTrans *combi2 = new TGeoCombiTrans("combi2",x0,y0,0.99,rot);
+ x0=110.2*TMath::Cos(openingAngle);
+ y0=110.2*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi1a = new TGeoCombiTrans("combi1",x0,y0,1.09+0.195,rot); //a-side
+ TGeoCombiTrans *combi1c = new TGeoCombiTrans("combi1",x0,y0,1.09+0.222,rot); //c-side
+ x0=188.45*TMath::Cos(openingAngle);
+ y0=188.45*TMath::Sin(openingAngle);
+ TGeoCombiTrans *combi2a = new TGeoCombiTrans("combi2",x0,y0,0.99+0.195,rot); //a-side
+ TGeoCombiTrans *combi2c = new TGeoCombiTrans("combi2",x0,y0,0.99+0.222,rot); //c-side
+ //
+ // A-side
+ //
+ secta->AddNode(ch,1);
+ secta->AddNode(iroc,1,combi1a);
+ secta->AddNode(oroc,1,combi2a);
+ //
+ // C-side
//
- sect->AddNode(ch,1);
- sect->AddNode(iroc,1,combi1);
- sect->AddNode(oroc,1,combi2);
+ sectc->AddNode(ch,1);
+ sectc->AddNode(iroc,1,combi1c);
+ sectc->AddNode(oroc,1,combi2c);
//
- // segment is ready...
- // now I try to make a wheel...
+ // now I try to make wheels...
//
- TGeoVolumeAssembly *wheel = new TGeoVolumeAssembly("TPC_ENDCAP");
+ 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);
- wheel->AddNode(sect,i+1,r);
+ wheela->AddNode(secta,i+1,r);
+ wheelc->AddNode(sectc,i+1,r);
}
// wheels in the drift volume!
- v9->AddNode(wheel,1,new TGeoTranslation(0.,0.,-256.6));
TGeoCombiTrans *combi3 = new TGeoCombiTrans("combi3",0.,0.,256.6,ref);
- v9->AddNode(wheel,2,combi3);
+ v9->AddNode(wheela,1,combi3);
+ v9->AddNode(wheelc,2,new TGeoTranslation(0.,0.,-256.6));
//_____________________________________________________________
// service support wheel
TGeoVolume *swv = new TGeoVolume("TPC_SWSEG",sw,m3); //Al
//
thick=1.;
- shift = thick/TMath::Sin(OpeningAngle);
+ shift = thick/TMath::Sin(openingAngle);
TGeoPgon *sh = new TGeoPgon(0.,20.,1,2);
sh->DefineSection(0,-4.,81.5-shift,250.75-shift);
sh->DefineSection(1,4.,81.5-shift,250.75-shift);
TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
//
- ys = shift*TMath::Sin(OpeningAngle);
- xs = shift*TMath::Cos(OpeningAngle);
+ TGeoMedium *m9 = gGeoManager->GetMedium("TPC_Si");
+ TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
+ el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
+ el->DefineSection(1,1.872,81.5-shift,250.75-shift);
+ TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si
+ //
+ shv->AddNode(elv,1);
+ //
+ ys = shift*TMath::Sin(openingAngle);
+ xs = shift*TMath::Cos(openingAngle);
swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));
// cover
TGeoPgon *co = new TGeoPgon(0.,20.,1,2);
TGeoVolume *cov = new TGeoVolume("TPC_SWC1",co,m3);//Al
// hole in a cover
TGeoPgon *coh = new TGeoPgon(0.,20.,1,2);
- shift=4./TMath::Sin(OpeningAngle);
+ shift=4./TMath::Sin(openingAngle);
coh->DefineSection(0,-0.5,85.-shift,247.25-shift);
coh->DefineSection(1,0.5,85.-shift,247.25-shift);
//
TGeoVolume *cohv = new TGeoVolume("TPC_SWC2",coh,m1);
//
- ys = shift*TMath::Sin(OpeningAngle);
- xs = shift*TMath::Cos(OpeningAngle);
+ ys = shift*TMath::Sin(openingAngle);
+ xs = shift*TMath::Cos(openingAngle);
cov->AddNode(cohv,1,new TGeoTranslation(xs,ys,0.));
//
// Sector as an Assembly
//
//HV rods - makrolon + 0.58cm (diameter) Cu
- TGeoTube *hvr = new TGeoTube(0.,4.4,126.64);
+ 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<17;i++){
+ for(Int_t i=0;i<18;i++){
Double_t angle,x,y;
Double_t z,r;
angle=TMath::DegToRad()*20.*(Double_t)i;
gGeoManager->Node("TPC_Rod",i+54,"TPC_Drift",x,y,-z,0,kTRUE,upar,3);
}
-
-
- gMC->Gspos("TPC_M ",1,"ALIC",0.,0.,0.,0,"ONLY");
+ TGeoVolume *alice = gGeoManager->GetVolume("ALIC");
+ alice->AddNode(v1,1);
+
} // end of function
fIdSens=gMC->VolId("TPC_Drift"); // drift gas as a sensitive volume
- gMC->SetMaxNStep(30000); // max. number of steps increased
+ gMC->SetMaxNStep(-30000); // max. number of steps increased
gMC->Gstpar(idtmed[2],"LOSS",5);
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff