/**************************************************************************
* 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. *
**************************************************************************/
/* $Id$ */
//////////////////////////////////////////////////////////////////////////////
// //
// 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 #include #include #include "AliDetector.h" #include "AliFMDReconstParticles.h" #include "AliFMDReconstruction.h" #include "AliFMDdigit.h" #include "AliFMDhit.h" #include "AliFMDv1.h" #include "AliLoader.h" #include "AliMagF.h" #include "AliRun.h" ClassImp (AliFMD) //_____________________________________________________________________________ AliFMD::AliFMD ():AliDetector () { // // Default constructor for class AliFMD // fIshunt = 0; fHits = 0; fDigits = 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); fReconParticles=new TClonesArray("AliFMDReconstParticles",1000); gAlice->AddHitList (fHits); fIshunt = 0; fIdSens1 = 0; fIdSens2 = 0; fIdSens3 = 0; fIdSens4 = 0; fIdSens5 = 0; // fMerger = 0; SetMarkerColor (kRed); } //----------------------------------------------------------------------------- AliFMD::~AliFMD () { if (fHits) { fHits->Delete (); delete fHits; fHits = 0; } if (fDigits) { fDigits->Delete (); delete fDigits; fDigits = 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 if (fDigits == 0x0) fDigits = new TClonesArray ("AliFMDdigit", 1000); 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 = 5; // 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", 4.2, 17.2, 1.5); top->cd (); node = new TNode ("FMD0", "FMD0", "S_FMD0", 0, 0, 62.8, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); new TTUBE ("S_FMD1", "FMD volume 1", "void", 15.4, 28.4, 1.5); top->cd (); node = new TNode ("FMD1", "FMD1", "S_FMD1", 0, 0, 75.2, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); new TTUBE ("S_FMD2", "FMD volume 2", "void", 4.2, 17.2, 1.5); top->cd (); node = new TNode ("FMD2", "FMD2", "S_FMD2", 0, 0, -83.2, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); new TTUBE ("S_FMD3", "FMD volume 3", "void", 15.4, 28.4, 1.5); top->cd (); node = new TNode ("FMD3", "FMD3", "S_FMD3", 0, 0, -75.2, ""); node->SetLineColor (kColorFMD); fNodes->Add (node); new TTUBE ("S_FMD4", "FMD volume 4", "void", 4.2, 17.2, 1.5); top->cd (); node = new TNode ("FMD4", "FMD4", "S_FMD4", 0, 0, -340, ""); 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::ResetDigits (); // } //------------------------------------------------------------------------- void AliFMD::Init () { // // Initialis the FMD after it has been built Int_t i; // 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"); } // // fIdSens1 = gMC->VolId ("GRN1"); //Si sensetive volume fIdSens2 = gMC->VolId ("GRN2"); //Si sensetive volume fIdSens3 = gMC->VolId ("GRN3"); //Si sensetive volume fIdSens4 = gMC->VolId ("GRN4"); //Si sensetive volume fIdSens5 = gMC->VolId ("GRN5"); //Si sensetive volume } //--------------------------------------------------------------------- void AliFMD::MakeBranch (Option_t * option) { // Create Tree branches for the FMD. char branchname[10]; const Int_t kBufferSize = 16000; sprintf (branchname, "%s", GetName ()); const char *cH = strstr(option,"H"); const char *cD = strstr(option,"D"); const char *cR = strstr(option,"R"); if (cH && (fHits == 0x0)) fHits = new TClonesArray ("AliFMDhit", 1000); AliDetector::MakeBranch (option); if (cD){ if (fDigits == 0x0) fDigits = new TClonesArray ("AliFMDdigit", 1000); MakeBranchInTree(fLoader->TreeD(), branchname,&fDigits, kBufferSize, 0); } if (cR){ if (fReconParticles == 0x0) fReconParticles=new TClonesArray("AliFMDReconstParticles",1000); MakeBranchInTree(fLoader->TreeR(), branchname,&fReconParticles, kBufferSize, 0); } } //_____________________________________________________________________________ void AliFMD::SetTreeAddress () { // Set branch address for the Hits and Digits Tree. char branchname[30]; if (fLoader->TreeH() && (fHits == 0x0)) fHits = new TClonesArray ("AliFMDhit", 1000); AliDetector::SetTreeAddress (); TBranch *branch; TTree *treeD = fLoader->TreeD(); if (treeD) { if (fDigits == 0x0) fDigits = new TClonesArray ("AliFMDdigit", 1000); branch = treeD->GetBranch (branchname); if (branch) branch->SetAddress (&fDigits); } if (fLoader->TreeR() && fReconParticles) { if (fReconParticles == 0x0) fReconParticles=new TClonesArray("AliFMDReconstParticles",1000); branch = fLoader->TreeR()->GetBranch("FMD"); if (branch) branch->SetAddress(&fReconParticles) ; } } //--------------------------------------------------------------------- void AliFMD::SetRingsSi1(Int_t ringsSi1) { fRingsSi1=512; } void AliFMD::SetSectorsSi1(Int_t sectorsSi1) { fSectorsSi1=20; } void AliFMD::SetRingsSi2(Int_t ringsSi2) { fRingsSi2=256; } void AliFMD::SetSectorsSi2(Int_t sectorsSi2) { fSectorsSi2=40; } 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::Digits2Reco() { AliFMDReconstruction * reconstruction = new AliFMDReconstruction(fLoader->GetRunLoader()); cout<<" AliFMD::Digits2Reco >> "< Exec(""); delete reconstruction; } //----------------------------------------------------------------------- void AliFMD::MakeBranchInTreeD(TTree *treeD, const char *file) { // // Create TreeD branches for the FMD // const Int_t kBufferSize = 4000; char branchname[20]; sprintf(branchname,"%s",GetName()); if(treeD) { MakeBranchInTree(treeD, branchname,&fDigits, kBufferSize, file); } }