/* $Id$ */
+//-----------------------------------------------------------------------------
+// Class AliMUONChamber
+// -----------------------
+// MUON tracking chamber class
+// now only providing DisIntegration function
+//-----------------------------------------------------------------------------
+
// --- ROOT includes ---
#include <TRandom.h>
#include <TMath.h>
// --- MUON includes ---
#include "AliMUON.h"
#include "AliMUONChamber.h"
-#include "AliMUONGeometryModule.h"
#include "AliMUONHit.h"
#include "AliLog.h"
+/// \cond CLASSIMP
ClassImp(AliMUONChamber)
+/// \endcond
+//_______________________________________________________
AliMUONChamber::AliMUONChamber()
: TObject(),
fId(0),
- fdGas(0.),
- fdAlu(0.),
- fZ(0.),
- fnsec(1),
- frMin(0.),
- frMax(0.),
fCurrentCorrel(1), // to avoid mistakes if ChargeCorrelInit is not called
- fSegmentation2(0),
fResponse(0),
- fGeometry(0),
fMUON(0)
{
-// Default constructor
+/// Default constructor
+
+ AliDebug(1, Form("default (empty) ctor this = %p", this));
}
//_______________________________________________________
AliMUONChamber::AliMUONChamber(Int_t id)
: TObject(),
fId(id),
- fdGas(0.),
- fdAlu(0.),
- fZ(0.),
- fnsec(1),
- frMin(0.),
- frMax(0.),
fCurrentCorrel(1), // to avoid mistakes if ChargeCorrelInit is not called
- fSegmentation2(0),
fResponse(0),
- fGeometry(0),
fMUON(0)
{
+/// Standard constructor
// muon
fMUON = (AliMUON*)gAlice->GetModule("MUON");
return;
}
- // new segmentation
- fSegmentation2 = new TObjArray(2);
- fSegmentation2->AddAt(0,0);
- fSegmentation2->AddAt(0,1);
-
- fGeometry = new AliMUONGeometryModule(fId);
-
-}
-
-//_______________________________________________________
-AliMUONChamber::AliMUONChamber(const AliMUONChamber& rChamber)
- : TObject(rChamber)
-{
- // Protected copy constructor
-
- AliFatal("Not implemented.");
- // Dummy copy constructor
+ AliDebug(1, Form("ctor this = %p", this) );
}
//_______________________________________________________
AliMUONChamber::~AliMUONChamber()
{
- // Destructor
-
- if (fSegmentation2) {
- fSegmentation2->Delete();
- delete fSegmentation2;
- }
-
- delete fGeometry;
-}
-
-//_______________________________________________________
-AliMUONChamber & AliMUONChamber::operator =(const AliMUONChamber& rhs)
-{
- // Protected assignement operator
-
- if (this == &rhs) return *this;
+/// Destructor
- AliFatal("Not implemented.");
-
- return *this;
+ AliDebug(1, Form("dtor this = %p", this));
+ delete fResponse;
}
-//_______________________________________________________
-Bool_t AliMUONChamber::IsSensId(Int_t volId) const
+//_____________________________________________________
+void AliMUONChamber::ChargeCorrelationInit()
{
- // Returns true if the volume specified by volId is in the list
- // of sesitive volumes for this chamber
+/// Initialisation of charge correlation for current hit
+/// the value is stored, and then used by Disintegration
- return fGeometry->IsSensitiveVolume(volId);
-}
-
-
-//_____________________________________________________
-void AliMUONChamber::ChargeCorrelationInit() {
- // Initialisation of charge correlation for current hit
- // the value is stored, and then used by Disintegration
- if (fnsec==1)
- fCurrentCorrel =1;
- else
- // exponential is here to avoid eventual problems in 0
- // factor 2 because chargecorrel is q1/q2 and not q1/qtrue
+ // exponential is here to avoid eventual problems in 0
+ // factor 2 because chargecorrel is q1/q2 and not q1/qtrue
fCurrentCorrel = TMath::Exp(gRandom->Gaus(0,fResponse->ChargeCorrel()/2));
}
-//_______________________________________________________
-void AliMUONChamber::InitGeo(Float_t /*zpos*/)
+//_____________________________________________________________________________
+void
+AliMUONChamber::SetResponseModel(const AliMUONResponse& thisResponse)
{
- // sensitive gas gap
- fdGas= 0.5;
- // 3% radiation length of aluminum (X0=8.9 cm)
- fdAlu= 3.0/100*8.9;
+ delete fResponse;
+ fResponse = static_cast<AliMUONResponse*>(thisResponse.Clone());
}
-//_______________________________________________________
-//
-// NEW SEGMENTATION
-//_______________________________________________________
-void AliMUONChamber::Init(Int_t flag)
-{
- // Initalisation ..
- //
- // ... for chamber segmentation
-
- if (!flag) AliFatal("wrong segmentation type.");
-
- if (fSegmentation2->At(0))
- ((AliMUONGeometrySegmentation*) fSegmentation2->At(0))->Init(fId);
-
- if (fnsec==2) {
- if (fSegmentation2->At(1))
- ((AliMUONGeometrySegmentation*) fSegmentation2->At(1))->Init(fId);
- }
-}
-// //_________________________________________________________________
-// void AliMUONChamber::SigGenInit(AliMUONHit *hit)
-// {
-// //
-// // Initialisation of segmentation for hit
-// //
-// Float_t x = hit->X();
-// Float_t y = hit->Y();
-// Float_t z = hit->Z();
-// Int_t id = hit->DetElemId();
-
-// if (fnsec==1) {
-// ((AliMUONGeometrySegmentation*) fSegmentation2->At(0))->SigGenInit(id, x, y, z) ;
-// } else {
-// ((AliMUONGeometrySegmentation*) fSegmentation2->At(0))->SigGenInit(id, x, y, z) ;
-// ((AliMUONGeometrySegmentation*) fSegmentation2->At(1))->SigGenInit(id, x, y, z) ;
-// }
-// }
-
-//_______________________________________________________
-void AliMUONChamber::DisIntegration(AliMUONHit *hit,
- Int_t& nnew,Float_t newclust[6][500])
-{
- //
- // Generates pad hits (simulated cluster)
- // using the segmentation and the response model
- Float_t dx, dy;
-
- Float_t xhit = hit->X();
- Float_t yhit = hit->Y();
- Float_t zhit = hit->Z();
- Int_t id = hit->DetElemId();
- Float_t eloss = hit->Eloss();
-
- //
- // Width of the integration area
- //
- dx=fResponse->SigmaIntegration()*fResponse->ChargeSpreadX();
- dy=fResponse->SigmaIntegration()*fResponse->ChargeSpreadY();
- //
- // Get pulse height from energy loss
- Float_t qtot = fResponse->IntPH(eloss);
- //
- // Loop Over Pads
-
- Float_t qp;
- nnew=0;
-
- // Cathode plane loop
- for (Int_t i=1; i<=fnsec; i++) {
- Float_t qcath = qtot * (i==1? fCurrentCorrel : 1/fCurrentCorrel);
-
- AliMUONGeometrySegmentation* segmentation=
- (AliMUONGeometrySegmentation*) fSegmentation2->At(i-1);
-
- for (segmentation->FirstPad(id, xhit, yhit, zhit, dx, dy);
- segmentation->MorePads(id);
- segmentation->NextPad(id))
- {
- qp=fResponse->IntXY(id, segmentation);
- qp=TMath::Abs(qp);
- //
- //
- if (qp > 1.e-4)
- {
- if (nnew >= 500) // Perform a bounds check on nnew since it is assumed
- // newclust only contains 500 elements.
- {
- AliError("Limit of 500 pad responses reached.");
- return;
- };
- //
- // --- store signal information
- newclust[0][nnew]=qcath; // total charge
- newclust[1][nnew]=segmentation->Ix(); // ix-position of pad
- newclust[2][nnew]=segmentation->Iy(); // iy-position of pad
- newclust[3][nnew]=qp * qcath; // charge on pad
- newclust[4][nnew]=segmentation->ISector(); // sector id
- newclust[5][nnew]=(Float_t) i; // counter
- nnew++;
-
- }
- } // Pad loop
- } // Cathode plane loop
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff