/**************************************************************************
* 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. *
**************************************************************************/
/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// Control class for Alice C++ //
// Only one single instance of this class exists. //
// The object is created in main program aliroot //
// and is pointed by the global gAlice. //
// //
// -Supports the list of all Alice Detectors (fModules). //
// -Supports the list of particles (fParticles). //
// -Supports the Trees. //
// -Supports the geometry. //
// -Supports the event display. //
//Begin_Html
/*
*/
//End_Html
//Begin_Html
/*
*/
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
//
#include "AliLog.h"
#include "AliDetector.h"
#include "AliDisplay.h"
#include "AliHeader.h"
#include "AliLego.h"
#include "AliLegoGenerator.h"
#include "AliMC.h"
#include "AliMagFC.h"
#include "AliMagFCM.h"
#include "AliMagFDM.h"
#include "AliPDG.h"
#include "AliRun.h"
#include "AliStack.h"
#include "AliAlignObj.h"
AliRun *gAlice;
ClassImp(AliRun)
//_______________________________________________________________________
AliRun::AliRun():
fRun(0),
fEvent(0),
fEventNrInRun(0),
fEventsPerRun(0),
fModules(0),
fGeometry(0),
fMCApp(0),
fDisplay(0),
fField(0),
fNdets(0),
fInitDone(kFALSE),
fLego(0),
fPDGDB(0), //Particle factory object
fConfigFunction(""),
fRandom(0),
fBaseFileName(""),
fIsRootGeometry(kFALSE),
fGeometryFileName(""),
fTriggerDescriptor(""),
fRunLoader(0x0)
{
//
// Default constructor for AliRun
//
AliConfig::Instance();//skowron 29 Feb 2002
//ensures that the folder structure is build
}
//_______________________________________________________________________
AliRun::AliRun(const AliRun& arun):
TNamed(arun),
fRun(0),
fEvent(0),
fEventNrInRun(0),
fEventsPerRun(0),
fModules(0),
fGeometry(0),
fMCApp(0),
fDisplay(0),
fField(0),
fNdets(0),
fInitDone(kFALSE),
fLego(0),
fPDGDB(0), //Particle factory object
fConfigFunction("\0"),
fRandom(0),
fBaseFileName(""),
fIsRootGeometry(kFALSE),
fGeometryFileName(""),
fTriggerDescriptor(""),
fRunLoader(0x0)
{
//
// Copy constructor for AliRun
//
arun.Copy(*this);
}
//_____________________________________________________________________________
AliRun::AliRun(const char *name, const char *title):
TNamed(name,title),
fRun(0),
fEvent(0),
fEventNrInRun(0),
fEventsPerRun(0),
fModules(new TObjArray(77)), // Support list for the Detectors
fGeometry(0),
fMCApp(0),
fDisplay(0),
fField(0),
fNdets(0),
fInitDone(kFALSE),
fLego(0),
fPDGDB(TDatabasePDG::Instance()), //Particle factory object!
fConfigFunction("Config();"),
fRandom(new TRandom3()),
fBaseFileName(""),
fIsRootGeometry(kFALSE),
fGeometryFileName(""),
fTriggerDescriptor(""),
fRunLoader(0x0)
{
//
// Constructor for the main processor.
// Creates the geometry
// Creates the list of Detectors.
// Creates the list of particles.
//
gAlice = this;
// Set random number generator
gRandom = fRandom;
if (gSystem->Getenv("CONFIG_SEED")) {
gRandom->SetSeed(static_cast(atoi(gSystem->Getenv("CONFIG_SEED"))));
}
// Add to list of browsable
gROOT->GetListOfBrowsables()->Add(this,name);
// Create default mag field
SetField();
// Add particle list to configuration
AliConfig::Instance()->Add(fPDGDB);
}
//_______________________________________________________________________
AliRun::~AliRun()
{
//
// Default AliRun destructor
//
gROOT->GetListOfBrowsables()->Remove(this);
if (fRunLoader)
{
TFolder* evfold = fRunLoader->GetEventFolder();
TFolder* modfold = dynamic_cast(evfold->FindObjectAny(AliConfig::GetModulesFolderName()));
TIter next(fModules);
AliModule *mod;
while((mod = (AliModule*)next()))
{
modfold->Remove(mod);
}
}
delete fField;
delete fMCApp;
delete gMC; gMC=0;
delete fGeometry;
delete fDisplay;
delete fLego;
if (fModules) {
fModules->Delete();
delete fModules;
}
delete fPDGDB;
}
//_______________________________________________________________________
void AliRun::Copy(TObject &) const
{
AliFatal("Not implemented!");
}
//_______________________________________________________________________
void AliRun::Build()
{
//
// Initialize Alice geometry
// Dummy routine
//
}
//_______________________________________________________________________
void AliRun::BuildSimpleGeometry()
{
//
// Create a simple TNode geometry used by Root display engine
//
// Initialise geometry
//
fGeometry = new TGeometry("AliceGeom","Galice Geometry for Hits");
new TMaterial("void","Vacuum",0,0,0); //Everything is void
TBRIK *brik = new TBRIK("S_alice","alice volume","void",2000,2000,3000);
brik->SetVisibility(0);
new TNode("alice","alice","S_alice");
}
//_______________________________________________________________________
void AliRun::CleanDetectors()
{
//
// Clean Detectors at the end of event
//
fRunLoader->CleanDetectors();
}
//_______________________________________________________________________
void AliRun::ResetHits()
{
fMCApp->ResetHits();
}
//_______________________________________________________________________
AliGenerator* AliRun::Generator() const
{
return fMCApp->Generator();
}
//_______________________________________________________________________
void AliRun::SetField(AliMagF* magField)
{
//
// Set Magnetic Field Map
//
fField = magField;
fField->ReadField();
}
//_______________________________________________________________________
void AliRun::SetRootGeometry(Bool_t flag)
{
// Instruct application that the geometry is to be retreived from a root file.
fIsRootGeometry = flag;
if (flag) gMC->SetRootGeometry();
}
//_______________________________________________________________________
void AliRun::SetField(Int_t type, Int_t version, Float_t scale,
Float_t maxField, const char* filename)
{
//
// Set magnetic field parameters
// type Magnetic field transport flag 0=no field, 2=helix, 3=Runge Kutta
// version Magnetic field map version (only 1 active now)
// scale Scale factor for the magnetic field
// maxField Maximum value for the magnetic field
//
// --- Sanity check on mag field flags
if(fField) delete fField;
if(version==1) {
fField = new AliMagFC("Map1"," ",type,scale,maxField);
} else if(version<=2) {
fField = new AliMagFCM("Map2-3",filename,type,scale,maxField);
fField->ReadField();
} else if(version==3) {
fField = new AliMagFDM("Map4",filename,type,scale,maxField);
fField->ReadField();
} else {
AliWarning(Form("Invalid map %d",version));
}
}
//_____________________________________________________________________________
void AliRun::InitLoaders()
{
//creates list of getters
AliDebug(1, "");
TIter next(fModules);
AliModule *mod;
while((mod = (AliModule*)next()))
{
mod->SetRunLoader(fRunLoader);
AliDetector *det = dynamic_cast(mod);
if (det)
{
AliDebug(2, Form("Adding %s", det->GetName()));
fRunLoader->AddLoader(det);
}
}
AliDebug(1, "Done");
}
//_____________________________________________________________________________
void AliRun::FinishRun()
{
//
// Called at the end of the run.
//
if(fLego)
{
AliDebug(1, "Finish Lego");
fRunLoader->CdGAFile();
fLego->FinishRun();
}
// Clean detector information
TIter next(fModules);
AliModule *detector;
while((detector = dynamic_cast(next()))) {
AliDebug(2, Form("%s->FinishRun()", detector->GetName()));
detector->FinishRun();
}
AliDebug(1, "fRunLoader->WriteHeader(OVERWRITE)");
fRunLoader->WriteHeader("OVERWRITE");
// Write AliRun info and all detectors parameters
fRunLoader->CdGAFile();
Write(0,TObject::kOverwrite);//write AliRun
fRunLoader->Write(0,TObject::kOverwrite);//write RunLoader itself
// Clean tree information
AliDebug(1, "fRunLoader->Stack()->FinishRun()");
fRunLoader->Stack()->FinishRun();
if(fMCApp) fMCApp->FinishRun();
fRunLoader->Synchronize();
}
//_______________________________________________________________________
void AliRun::Announce() const
{
//
// Announce the current version of AliRoot
//
printf("%70s",
"****************************************************************\n");
printf("%6s","*");printf("%64s","*\n");
printf("%6s","*");
printf(" You are running AliRoot version NewIO\n");
printf("%6s","*");
printf(" The cvs tag for the current program is $Name$\n");
printf("%6s","*");printf("%64s","*\n");
printf("%70s",
"****************************************************************\n");
}
//_______________________________________________________________________
AliModule *AliRun::GetModule(const char *name) const
{
//
// Return pointer to detector from name
//
return dynamic_cast(fModules->FindObject(name));
}
//_______________________________________________________________________
AliDetector *AliRun::GetDetector(const char *name) const
{
//
// Return pointer to detector from name
//
return dynamic_cast(fModules->FindObject(name));
}
//_______________________________________________________________________
Int_t AliRun::GetModuleID(const char *name) const
{
//
// Return galice internal detector identifier from name
//
Int_t i=-1;
TObject *mod=fModules->FindObject(name);
if(mod) i=fModules->IndexOf(mod);
return i;
}
//_______________________________________________________________________
Int_t AliRun::GetEvent(Int_t event)
{
//
// Reloads data containers in folders # event
// Set branch addresses
//
if (fRunLoader == 0x0)
{
AliError("RunLoader is not set. Can not load data.");
return -1;
}
/*****************************************/
/**** P R E R E L O A D I N G ****/
/*****************************************/
// Reset existing structures
fMCApp->ResetHits();
fMCApp->ResetTrackReferences();
ResetDigits();
ResetSDigits();
/*****************************************/
/**** R E L O A D ****/
/*****************************************/
fRunLoader->GetEvent(event);
/*****************************************/
/**** P O S T R E L O A D I N G ****/
/*****************************************/
// Set Trees branch addresses
TIter next(fModules);
AliModule *detector;
while((detector = dynamic_cast(next())))
{
detector->SetTreeAddress();
}
return fRunLoader->GetHeader()->GetNtrack();
}
//_______________________________________________________________________
TGeometry *AliRun::GetGeometry()
{
// Create the TNode geometry for the event display
if (!fGeometry) {
BuildSimpleGeometry();
//
// Unlink and relink nodes in detectors
// This is bad and there must be a better way...
//
TIter next(fModules);
AliModule *detector;
while((detector = dynamic_cast(next()))) {
detector->BuildGeometry();
TList *dnodes=detector->Nodes();
Int_t j;
TNode *node, *node1;
for ( j=0; jGetSize(); j++) {
node = dynamic_cast(dnodes->At(j));
node1 = fGeometry->GetNode(node->GetName());
dnodes->Remove(node);
dnodes->AddAt(node1,j);
}
}
}
return fGeometry;
}
//_______________________________________________________________________
void AliRun::SetBaseFile(const char *filename)
{
fBaseFileName = filename;
}
//_______________________________________________________________________
void AliRun::ResetDigits()
{
//
// Reset all Detectors digits
//
TIter next(fModules);
AliModule *detector;
while((detector = dynamic_cast(next()))) {
detector->ResetDigits();
}
}
//_______________________________________________________________________
void AliRun::ResetSDigits()
{
//
// Reset all Detectors digits
//
TIter next(fModules);
AliModule *detector;
while((detector = dynamic_cast(next()))) {
detector->ResetSDigits();
}
}
//_______________________________________________________________________
void AliRun::ResetPoints()
{
//
// Reset all Detectors points
//
TIter next(fModules);
AliModule *detector;
while((detector = dynamic_cast(next()))) {
detector->ResetPoints();
}
}
//_______________________________________________________________________
void AliRun::InitMC(const char *setup)
{
//
// Initialize ALICE Simulation run
//
Announce();
if(fInitDone) {
AliWarning("Cannot initialise AliRun twice!");
return;
}
if (!fMCApp)
fMCApp=new AliMC(GetName(),GetTitle());
gROOT->LoadMacro(setup);
gInterpreter->ProcessLine(fConfigFunction.Data());
fRunLoader->CdGAFile();
AliPDG::AddParticlesToPdgDataBase();
fNdets = fModules->GetLast()+1;
TIter next(fModules);
for(Int_t i=0; i(fModules->At(i));
objlast = gDirectory->GetList()->Last();
// Add Detector histograms in Detector list of histograms
if (objlast) objfirst = gDirectory->GetList()->After(objlast);
else objfirst = gDirectory->GetList()->First();
while (objfirst)
{
detector->Histograms()->Add(objfirst);
objfirst = gDirectory->GetList()->After(objfirst);
}
}
fMCApp->Init();
//Must be here because some MCs (G4) adds detectors here and not in Config.C
InitLoaders();
fRunLoader->MakeTree("E");
if (fLego == 0x0)
{
fRunLoader->LoadKinematics("RECREATE");
fRunLoader->LoadTrackRefs("RECREATE");
fRunLoader->LoadHits("all","RECREATE");
}
fInitDone = kTRUE;
//
// Save stuff at the beginning of the file to avoid file corruption
fRunLoader->CdGAFile();
Write();
fEventNrInRun = -1; //important - we start Begin event from increasing current number in run
}
//_______________________________________________________________________
void AliRun::RunMC(Int_t nevent, const char *setup)
{
//
// Main function to be called to process a galice run
// example
// Root > gAlice.Run();
// a positive number of events will cause the finish routine
// to be called
//
fEventsPerRun = nevent;
// check if initialisation has been done
if (!fInitDone) InitMC(setup);
// Create the Root Tree with one branch per detector
//Hits moved to begin event -> now we are crating separate tree for each event
gMC->ProcessRun(nevent);
// End of this run, close files
if(nevent>0) FinishRun();
}
//_______________________________________________________________________
void AliRun::RunReco(const char *selected, Int_t first, Int_t last)
{
//
// Main function to be called to reconstruct Alice event
//
Int_t nev = fRunLoader->GetNumberOfEvents();
AliDebug(1, Form("Found %d events", nev));
Int_t nFirst = first;
Int_t nLast = (last < 0)? nev : last;
for (Int_t nevent = nFirst; nevent <= nLast; nevent++) {
AliDebug(1, Form("Processing event %d", nevent));
GetEvent(nevent);
Digits2Reco(selected);
}
}
//_______________________________________________________________________
void AliRun::Hits2Digits(const char *selected)
{
// Convert Hits to sumable digits
//
for (Int_t nevent=0; neventTreeE()->GetEntries(); nevent++) {
GetEvent(nevent);
Hits2SDigits(selected);
SDigits2Digits(selected);
}
}
//_______________________________________________________________________
void AliRun::Tree2Tree(Option_t *option, const char *selected)
{
//
// Function to transform the content of
//
// - TreeH to TreeS (option "S")
// - TreeS to TreeD (option "D")
// - TreeD to TreeR (option "R")
//
// If multiple options are specified ("SDR"), transformation will be done in sequence for
// selected detector and for all detectors if none is selected (detector string
// can contain blank separated list of detector names).
const char *oS = strstr(option,"S");
const char *oD = strstr(option,"D");
const char *oR = strstr(option,"R");
TObjArray *detectors = Detectors();
TIter next(detectors);
AliDetector *detector = 0;
while((detector = dynamic_cast(next()))) {
if (selected)
if (strcmp(detector->GetName(),selected)) continue;
if (detector->IsActive())
{
AliLoader* loader = detector->GetLoader();
if (loader == 0x0) continue;
if (oS)
{
AliDebug(1, Form("Processing Hits2SDigits for %s ...", detector->GetName()));
loader->LoadHits("read");
if (loader->TreeS() == 0x0) loader->MakeTree("S");
detector->MakeBranch(option);
detector->SetTreeAddress();
detector->Hits2SDigits();
loader->UnloadHits();
loader->UnloadSDigits();
}
if (oD)
{
AliDebug(1, Form("Processing SDigits2Digits for %s ...", detector->GetName()));
loader->LoadSDigits("read");
if (loader->TreeD() == 0x0) loader->MakeTree("D");
detector->MakeBranch(option);
detector->SetTreeAddress();
detector->SDigits2Digits();
loader->UnloadSDigits();
loader->UnloadDigits();
}
if (oR)
{
AliDebug(1, Form("Processing Digits2Reco for %s ...", detector->GetName()));
loader->LoadDigits("read");
if (loader->TreeR() == 0x0) loader->MakeTree("R");
detector->MakeBranch(option);
detector->SetTreeAddress();
detector->Digits2Reco();
loader->UnloadDigits();
loader->UnloadRecPoints();
}
}
}
}
//_______________________________________________________________________
void AliRun::RunLego(const char *setup, Int_t nc1, Float_t c1min,
Float_t c1max,Int_t nc2,Float_t c2min,Float_t c2max,
Float_t rmin,Float_t rmax,Float_t zmax, AliLegoGenerator* gener)
{
//
// Generates lego plots of:
// - radiation length map phi vs theta
// - radiation length map phi vs eta
// - interaction length map
// - g/cm2 length map
//
// ntheta bins in theta, eta
// themin minimum angle in theta (degrees)
// themax maximum angle in theta (degrees)
// nphi bins in phi
// phimin minimum angle in phi (degrees)
// phimax maximum angle in phi (degrees)
// rmin minimum radius
// rmax maximum radius
//
//
// The number of events generated = ntheta*nphi
// run input parameters in macro setup (default="Config.C")
//
// Use macro "lego.C" to visualize the 3 lego plots in spherical coordinates
//Begin_Html
/*
*/
//End_Html
//Begin_Html
/*
*/
//End_Html
//Begin_Html
/*
*/
//End_Html
//
// check if initialisation has been done
// If runloader has been initialized, set the number of events per file to nc1 * nc2
// Set new generator
if (!gener) gener = new AliLegoGenerator();
//
// Configure Generator
gener->SetRadiusRange(rmin, rmax);
gener->SetZMax(zmax);
gener->SetCoor1Range(nc1, c1min, c1max);
gener->SetCoor2Range(nc2, c2min, c2max);
//Create Lego object
fLego = new AliLego("lego",gener);
if (!fInitDone) InitMC(setup);
//Save current generator
AliGenerator *gen=fMCApp->Generator();
fMCApp->ResetGenerator(gener);
//Prepare MC for Lego Run
gMC->InitLego();
//Run Lego Object
if (fRunLoader) fRunLoader->SetNumberOfEventsPerFile(nc1 * nc2);
//gMC->ProcessRun(nc1*nc2+1);
gMC->ProcessRun(nc1*nc2);
// End of this run, close files
FinishRun();
// Restore current generator
fMCApp->ResetGenerator(gen);
// Delete Lego Object
delete fLego; fLego=0;
}
//_______________________________________________________________________
void AliRun::SetConfigFunction(const char * config)
{
//
// Set the signature of the function contained in Config.C to configure
// the run
//
fConfigFunction=config;
}
//
// MC Application
//
//_______________________________________________________________________
void AliRun::Field(const Double_t* x, Double_t *b) const
{
//
// Return the value of the magnetic field
//
Float_t xfloat[3];
for (Int_t i=0; i<3; i++) xfloat[i] = x[i];
if (Field()) {
Float_t bfloat[3];
Field()->Field(xfloat,bfloat);
for (Int_t j=0; j<3; j++) b[j] = bfloat[j];
}
else {
AliError("No mag field defined!");
b[0]=b[1]=b[2]=0.;
}
}
//
// End of MC Application
//
//_______________________________________________________________________
void AliRun::Streamer(TBuffer &R__b)
{
// Stream an object of class AliRun.
if (R__b.IsReading()) {
if (!gAlice) gAlice = this;
AliRun::Class()->ReadBuffer(R__b, this);
gROOT->GetListOfBrowsables()->Add(this,"Run");
gRandom = fRandom;
} else {
AliRun::Class()->WriteBuffer(R__b, this);
}
}
//_______________________________________________________________________
void AliRun::SetGenEventHeader(AliGenEventHeader* header)
{
fRunLoader->GetHeader()->SetGenEventHeader(header);
}
//_______________________________________________________________________
Int_t AliRun::GetEvNumber() const
{
//Returns number of current event
if (fRunLoader == 0x0)
{
AliError("RunLoader is not set. Can not load data.");
return -1;
}
return fRunLoader->GetEventNumber();
}
//_______________________________________________________________________
void AliRun::SetRunLoader(AliRunLoader* rloader)
{
//
// Set the loader of the run
//
fRunLoader = rloader;
if (fRunLoader == 0x0) return;
TString evfoldname;
TFolder* evfold = fRunLoader->GetEventFolder();
if (evfold) evfoldname = evfold->GetName();
else AliWarning("Did not get Event Folder from Run Loader");
if ( fRunLoader->GetAliRun() )
{//if alrun already exists in folder
if (fRunLoader->GetAliRun() != this )
{//and is different than this - crash
AliFatal("AliRun is already in Folder and it is not this object");
return;//pro forma
}//else do nothing
}
else
{
evfold->Add(this);//Post this AliRun to Folder
}
TIter next(fModules);
AliModule *module;
while((module = (AliModule*)next()))
{
if (evfold) AliConfig::Instance()->Add(module,evfoldname);
module->SetRunLoader(fRunLoader);
AliDetector* detector = dynamic_cast(module);
if (detector)
{
AliLoader* loader = fRunLoader->GetLoader(detector);
if (loader == 0x0)
{
AliError(Form("Can not get loader for detector %s", detector->GetName()));
}
else
{
AliDebug(1, Form("Setting loader for detector %s", detector->GetName()));
detector->SetLoader(loader);
}
}
}
}
void AliRun::AddModule(AliModule* mod)
{
//
// Add a module to the module list
//
if (mod == 0x0) return;
if (strlen(mod->GetName()) == 0) return;
if (GetModuleID(mod->GetName()) >= 0) return;
AliDebug(1, mod->GetName());
if (fRunLoader == 0x0) AliConfig::Instance()->Add(mod);
else AliConfig::Instance()->Add(mod,fRunLoader->GetEventFolder()->GetName());
Modules()->Add(mod);
fNdets++;
}
// added by Alberto Colla
//_____________________________________________________________________________
/*inline*/ Bool_t AliRun::IsFileAccessible(const char* fnam, EAccessMode mode)
{ return !gSystem->AccessPathName(fnam,mode);}
//______________________________________________________
/*inline*/ Bool_t AliRun::IsFileAccessible(Char_t* name,EAccessMode mode)
{
TString str = name; gSystem->ExpandPathName(str);
return !gSystem->AccessPathName(str.Data(),mode);
}