/**************************************************************************
* 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. *
**************************************************************************/
/* $Id$ */
///////////////////////////////////////////////////////////////////////////////
// //
// Base class for ALICE modules. Both sensitive modules (detectors) and //
// non-sensitive ones are described by this base class. This class //
// supports the hit and digit trees produced by the simulation and also //
// the objects produced by the reconstruction. //
// //
// This class is also responsible for building the geometry of the //
// detectors. //
// //
//Begin_Html
/*
*/
//End_Html
// //
///////////////////////////////////////////////////////////////////////////////
#include
#include
#include
#include "AliLog.h"
#include "AliConfig.h"
#include "AliDetector.h"
#include "AliHit.h"
#include "AliLoader.h"
#include "AliRun.h"
#include "AliMC.h"
ClassImp(AliDetector)
//_______________________________________________________________________
AliDetector::AliDetector():
AliModule(),
fTimeGate(200.e-9),
fIshunt(0),
fNhits(0),
fNdigits(0),
fBufferSize(1600),
fMaxIterHit(0),
fCurIterHit(0),
fHits(0),
fDigits(0),
fLoader(0x0)
{
//
// Default constructor for the AliDetector class
//
}
//_____________________________________________________________________________
AliDetector::AliDetector(const char* name,const char *title):
AliModule(name,title),
fTimeGate(200.e-9),
fIshunt(0),
fNhits(0),
fNdigits(0),
fBufferSize(1600),
fMaxIterHit(0),
fCurIterHit(0),
fHits(0),
fDigits(0),
fLoader(0x0)
{
//
// Normal constructor invoked by all Detectors.
// Create the list for detector specific histograms
// Add this Detector to the global list of Detectors in Run.
//
fActive = kTRUE;
AliConfig::Instance()->Add(this);
}
//_______________________________________________________________________
AliDetector::~AliDetector()
{
//
// Destructor
//
// Delete digits structure
if (fDigits) {
fDigits->Delete();
delete fDigits;
fDigits = 0;
}
if (fLoader)
{
fLoader->GetModulesFolder()->Remove(this);
}
}
//_______________________________________________________________________
void AliDetector::Publish(const char */*dir*/, void */*address*/, const char */*name*/) const
{
//
// Register pointer to detector objects.
//
MayNotUse("Publish");
}
//_______________________________________________________________________
void AliDetector::AddAlignableVolumes() const
{
//
AliWarning(Form("%s still has to implement the AddAlignableVolumes method!",GetName()));
}
//_______________________________________________________________________
TBranch* AliDetector::MakeBranchInTree(TTree *tree, const char* name,
void* address, Int_t size,
const char *file)
{
return(MakeBranchInTree(tree,name,0,address,size,99,file));
}
//_______________________________________________________________________
TBranch* AliDetector::MakeBranchInTree(TTree *tree, const char* name,
const char *classname,
void* address,Int_t size,
Int_t splitlevel, const char */*file*/)
{
//
// Makes branch in given tree and diverts them to a separate file
//
//
//
AliDebug(2,Form("Making Branch %s",name));
if (tree == 0x0)
{
AliError(Form("Making Branch %s Tree is NULL",name));
return 0x0;
}
TBranch *branch = tree->GetBranch(name);
if (branch)
{
AliDebug(2,Form("Branch %s is already in tree.",name));
return branch;
}
if (classname)
{
branch = tree->Branch(name,classname,address,size,splitlevel);
}
else
{
branch = tree->Bronch(name, "TClonesArray", address, size, splitlevel);
}
AliDebug(2,Form("Branch %s returning branch %#x",name,branch));
return branch;
}
//_______________________________________________________________________
void AliDetector::Browse(TBrowser *b)
{
//
// Insert Detector objects in the list of objects to be browsed
//
char name[64];
if( fHits == 0) return;
TObject *obj;
Int_t i, nobjects;
//
nobjects = fHits->GetEntries();
for (i=0;iAt(i);
sprintf(name,"%s_%d",obj->GetName(),i);
b->Add(obj, &name[0]);
}
}
//_______________________________________________________________________
void AliDetector::FinishRun()
{
//
// Procedure called at the end of a run.
//
}
//_______________________________________________________________________
AliHit* AliDetector::FirstHit(Int_t track)
{
//
// Initialise the hit iterator
// Return the address of the first hit for track
// If track>=0 the track is read from disk
// while if track<0 the first hit of the current
// track is returned
//
if(track>=0) {
gAlice->GetMCApp()->ResetHits(); //stupid = if N detector this method is called N times
fLoader->TreeH()->GetEvent(track); //skowron
}
//
fMaxIterHit=fHits->GetEntriesFast();
fCurIterHit=0;
if(fMaxIterHit) return dynamic_cast(fHits->UncheckedAt(0));
else return 0;
}
//_______________________________________________________________________
AliHit* AliDetector::NextHit()
{
//
// Return the next hit for the current track
//
if(fMaxIterHit) {
if(++fCurIterHit(fHits->UncheckedAt(fCurIterHit));
else
return 0;
} else {
AliWarning("Hit Iterator called without calling FistHit before");
return 0;
}
}
//_______________________________________________________________________
void AliDetector::MakeBranch(Option_t *option)
{
//
// Create a new branch for this detector in its treeH
//
AliDebug(2,Form(" for %s",GetName()));
const char *cH = strstr(option,"H");
if (fHits && fLoader->TreeH() && cH)
{
MakeBranchInTree(fLoader->TreeH(), GetName(), &fHits, fBufferSize, 0);
}
}
//_______________________________________________________________________
void AliDetector::ResetDigits()
{
//
// Reset number of digits and the digits array
//
fNdigits = 0;
if (fDigits) fDigits->Clear();
}
//_______________________________________________________________________
void AliDetector::ResetHits()
{
//
// Reset number of hits and the hits array
//
fNhits = 0;
if (fHits) fHits->Clear();
}
//_______________________________________________________________________
void AliDetector::SetTreeAddress()
{
//
// Set branch address for the Hits and Digits Trees
//
TBranch *branch;
//
// Branch address for hit tree
TTree* tree = fLoader->TreeH();
if (tree && fHits) {
branch = tree->GetBranch(GetName());
if (branch)
{
AliDebug(2,Form("(%s) Setting for Hits",GetName()));
branch->SetAddress(&fHits);
}
else
{ //can be invoked before branch creation
AliDebug(2,Form("(%s) Failed for Hits. Can not find branch in tree.",GetName()));
}
}
//
// Branch address for digit tree
TTree *treeD = fLoader->TreeD();
if (treeD && fDigits) {
branch = treeD->GetBranch(GetName());
if (branch) branch->SetAddress(&fDigits);
}
}
//_______________________________________________________________________
void AliDetector::MakeTree(Option_t *option)
{
//makes a tree (container) for the data defined in option
//"H" - hits
//"D" - digits
//"S" - summable digits
//"R" - recontructed points and tracks
AliLoader* loader = GetLoader();
if (loader == 0x0)
{
AliError(Form("Can not get loader for %s",GetName()));
return;
}
loader->MakeTree(option); //delegate this job to getter
}
//_______________________________________________________________________
AliLoader* AliDetector::MakeLoader(const char* topfoldername)
{
//builds standard getter (AliLoader type)
//if detector wants to use castomized getter, it must overload this method
AliDebug(1,Form("Creating standard getter for detector %s. Top folder is %s.",
GetName(),topfoldername));
fLoader = new AliLoader(GetName(),topfoldername);
return fLoader;
}