/**************************************************************************
* 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 *
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* 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. *
**************************************************************************/
//////////////////////////////////////////////////////////////////////////////
// //
// Forward Multiplicity Detector based on Silicon plates //
// This class contains the base procedures for the Forward Multiplicity //
// detector //
// Detector consists of 6 Si volumes covered pseudorapidity interval //
// from 1.6 to 6.0. //
// //
//Begin_Html
/*
The responsible person for this module is
Alla Maevskaia.
*/ //End_Html // // // // /////////////////////////////////////////////////////////////////////////////// #define DEBUG #include#include #include #include #include #include #include #include #include "AliFMDv1.h" #include "AliRun.h" #include "AliMC.h" #include "AliDetector.h" #include #include #include "AliMagF.h" #include "AliFMDhit.h" #include "AliFMDdigit.h" #include "AliFMDReconstruction.h" #include ClassImp (AliFMD) //_____________________________________________________________________________ AliFMD::AliFMD ():AliDetector () { // // Default constructor for class AliFMD // fIshunt = 0; fHits = 0; fDigits = 0; fSDigits = 0; fReconParticles=0; } //_____________________________________________________________________________ AliFMD::AliFMD (const char *name, const char *title): AliDetector (name, title) { // // Standard constructor for Forward Multiplicity Detector // // // Initialise Hit array fHits = new TClonesArray ("AliFMDhit", 1000); // Digits for each Si disk fDigits = new TClonesArray ("AliFMDdigit", 1000); fSDigits = new TClonesArray ("AliFMDdigit", 1000); gAlice->AddHitList (fHits); fIshunt = 0; fIdSens1 = 0; SetMarkerColor (kRed); } //----------------------------------------------------------------------------- AliFMD::~AliFMD () { if (fHits) { fHits->Delete (); delete fHits; fHits = 0; } if (fDigits) { fDigits->Delete (); delete fDigits; fDigits = 0; } if (fSDigits) { fSDigits->Delete (); delete fSDigits; fSDigits = 0; } if (fReconParticles) { fReconParticles->Delete (); delete fReconParticles; fReconParticles = 0; } } //_____________________________________________________________________________ void AliFMD::AddHit (Int_t track, Int_t * vol, Float_t * hits) { // // Add a hit to the list // TClonesArray & lhits = *fHits; new (lhits[fNhits++]) AliFMDhit (fIshunt, track, vol, hits); } //_____________________________________________________________________________ void AliFMD::AddDigit (Int_t * digits) { // add a real digit - as coming from data // printf("AddDigit\n"); TClonesArray & ldigits = *fDigits; new (ldigits[fNdigits++]) AliFMDdigit (digits); } //_____________________________________________________________________________ void AliFMD::BuildGeometry () { // // Build simple ROOT TNode geometry for event display // TNode *node, *top; const int kColorFMD = 7; // top = gAlice->GetGeometry ()->GetNode ("alice"); // FMD define the different volumes new TRotMatrix ("rot901", "rot901", 90, 0, 90, 90, 180, 0); new TTUBE ("S_FMD0", "FMD volume 0", "void", 4.73, 17.7, 1.5); top->cd (); node = new TNode ("FMD0", "FMD0", "S_FMD0", 0, 0, 64, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); new TTUBE ("S_FMD1", "FMD volume 1", "void", 23.4, 36., 1.5); top->cd (); node = new TNode ("FMD1", "FMD1", "S_FMD1", 0, 0, 85, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); new TTUBE ("S_FMD2", "FMD volume 2", "void", 4.73, 17.7, 1.5); top->cd (); node = new TNode ("FMD2", "FMD2", "S_FMD2", 0, 0, -64, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); new TTUBE ("S_FMD3", "FMD volume 3", "void", 23.4, 36., 1.5); top->cd (); node = new TNode ("FMD3", "FMD3", "S_FMD3", 0, 0, -85, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); new TTUBE ("S_FMD4", "FMD volume 4", "void", 5, 15, 0.015); top->cd (); // node = new TNode("FMD4","FMD4","S_FMD4",0,0,-270,""); node = new TNode ("FMD4", "FMD4", "S_FMD4", 0, 0, -270, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); /* new TTUBE("S_FMD5","FMD volume 5","void",5,14,0.015); top->cd(); node = new TNode("FMD5","FMD5","S_FMD5",0,0,-630,""); node->SetLineColor(kColorFMD); fNodes->Add(node); */ } //_____________________________________________________________________________ Int_t AliFMD::DistanceToPrimitive (Int_t px, Int_t py) { // // Calculate the distance from the mouse to the FMD on the screen // Dummy routine // return 9999; } //___________________________________________ void AliFMD::ResetHits () { // Reset number of clusters and the cluster array for this detector AliDetector::ResetHits (); } //____________________________________________ void AliFMD::ResetDigits () { // // Reset number of digits and the digits array for this detector AliDetector::ResetHits (); // } //------------------------------------------------------------------------- void AliFMD::Init () { // // Initialis the FMD after it has been built Int_t i; AliMC *pMC = AliMC::GetMC (); // if (fDebug) { printf ("\n%s: ", ClassName ()); for (i = 0; i < 35; i++) printf ("*"); printf (" FMD_INIT "); for (i = 0; i < 35; i++) printf ("*"); printf ("\n%s: ", ClassName ()); // // Here the FMD initialisation code (if any!) for (i = 0; i < 80; i++) printf ("*"); printf ("\n"); } // // if (IsVersion () != 0) fIdSens1 = pMC->VolId ("GRIN"); //Si sensetive volume else fIdSens1 = pMC->VolId ("GFSI"); //Si sensetive volume } //--------------------------------------------------------------------- void AliFMD::MakeBranch (Option_t * option, const char *file) { // Create Tree branches for the FMD. char branchname[10]; const Int_t kBufferSize = 16000; sprintf (branchname, "%s", GetName ()); AliDetector::MakeBranch (option, file); const char *cD = strstr(option,"D"); const char *cR = strstr(option,"R"); const char *cS = strstr(option,"S"); if (cS){ MakeBranchInTree(gAlice->TreeS(), branchname,&fSDigits, kBufferSize, file); } if (cD){ MakeBranchInTree(gAlice->TreeD(), branchname,&fDigits, kBufferSize, file); } if (cR){ MakeBranchInTree(gAlice->TreeR(), branchname,&fReconParticles, kBufferSize, file); } } //_____________________________________________________________________________ void AliFMD::SetTreeAddress () { // Set branch address for the Hits and Digits Tree. char branchname[30]; AliDetector::SetTreeAddress (); TBranch *branch; TTree *treeD = gAlice->TreeD (); if (treeD) { if (fDigits) { branch = treeD->GetBranch (branchname); if (branch) branch->SetAddress (&fDigits); } } if (fSDigits) fSDigits->Clear (); if (gAlice->TreeS () && fSDigits) { branch = gAlice->TreeS ()->GetBranch ("FMD"); if (branch) branch->SetAddress (&fSDigits); } if(fReconParticles) fReconParticles->Clear(); if (gAlice->TreeR()) { branch = gAlice->TreeR()->GetBranch("FMD"); if (branch) branch->SetAddress(&fReconParticles) ; } } //--------------------------------------------------------------------- void AliFMD::SDigits2Digits() { cout<<"AliFMD::SDigits2Digits"< Init(); cout<<"AliFMD::SDigits2Digits Init"< Digitise(); } } //--------------------------------------------------------------------- void AliFMD::SetMerger(AliFMDMerger* merger) { // Set pointer to merger fMerger = merger; } AliFMDMerger* AliFMD::Merger() { // Return pointer to merger return fMerger; } //--------------------------------------------------------------------- void AliFMD::Eta2Radius (Float_t eta, Float_t zDisk, Float_t * radius) { Float_t expEta = TMath::Exp (-eta); Float_t theta = TMath::ATan (expEta); theta = 2. * theta; Float_t rad = zDisk * (TMath::Tan (theta)); *radius = rad; if (fDebug) printf ("%s: eta %f radius %f\n", ClassName (), eta, rad); } //--------------------------------------------------------------------- void AliFMD::Hits2SDigits () { AliFMD *FMD = (AliFMD *) gAlice->GetDetector ("FMD"); if (fNevents == 0) fNevents = (Int_t) gAlice->TreeE ()->GetEntries (); for (Int_t ievent = 0; ievent < fNevents; ievent++) { gAlice->GetEvent (ievent); if (gAlice->TreeH () == 0) return; if (gAlice->TreeS () == 0) gAlice->MakeTree ("S"); Int_t nSdigits = 0; //Make branches char branchname[20]; sprintf (branchname, "%s", FMD->GetName ()); //Make branch for digits FMD->MakeBranch ("S"); //Now made SDigits from hits, for PHOS it is the same Int_t volume, sector, ring, charge; Float_t e; Float_t de[10][20][150]; Int_t ivol, isec, iring; Int_t hit, nbytes; TParticle *particle; AliFMDhit *fmdHit; TClonesArray *FMDhits = FMD->Hits (); // Event ------------------------- LOOP for (ivol = 1; ivol <= 5; ivol++) for (isec = 1; isec <= 16; isec++) for (iring = 1; iring <= 128; iring++) de[ivol][isec][iring] = 0; if (FMD) { FMDhits = FMD->Hits (); TTree *TH = gAlice->TreeH (); Stat_t ntracks = TH->GetEntries (); for (Int_t track = 0; track < ntracks; track++) { gAlice->ResetHits (); nbytes += TH->GetEvent (track); particle = gAlice->Particle (track); Int_t nhits = FMDhits->GetEntriesFast (); for (hit = 0; hit < nhits; hit++) { fmdHit = (AliFMDhit *) FMDhits->UncheckedAt (hit); volume = fmdHit->Volume (); sector = fmdHit->NumberOfSector (); ring = fmdHit->NumberOfRing (); e = fmdHit->Edep (); de[volume][sector][ring] = de[volume][sector][ring] + e; } //hit loop } //track loop } //if FMD Int_t digit[5]; Float_t I = 1.664 * 0.04 * 2.33 / 22400; // = 0.69e-6; for (ivol = 1; ivol <= 5; ivol++) { for (isec = 1; isec <= 16; isec++) { for (iring = 1; iring <= 128; iring++) { digit[0] = ivol; digit[1] = isec; digit[2] = iring; charge = Int_t (de[ivol][isec][iring] / I); digit[3] = charge; // if (charge!=0) cout<<" charge "< TreeS ()->Fill (); gAlice->TreeS ()->Print (); } //event loop } //----------------------------------------------------------------------- void AliFMD::Digits2Reco() { #ifdef DEBUG cout<<"ALiFMD::Digits2Reco> start..."; #endif char * fileReconParticles=0; char * fileHeader=0; AliFMDReconstruction * reconstruction = new AliFMDReconstruction(fileHeader,fileReconParticles) ; fReconParticles=new TClonesArray("AliFMDReconstParticles",1000); reconstruction->Exec(fReconParticles,""); delete reconstruction; }