src/common/MTreeOutput.cpp File Reference

#include <stdio.h>
#include <stdlib.h>
#include <string>
#include "midas.h"
#include <TROOT.h>
#include <TPluginManager.h>
#include <TFile.h>
#include <TTree.h>
#include <TBranch.h>
#include "TGlobalData.h"
#include "TSetupData.h"
#include "TVacuumData.h"

Go to the source code of this file.

Functions
INT	MTreeOutput_init (void)
INT	MTreeOutput_exit (void)
INT	MTreeOutput (EVENT_HEADER *, void *)
Variables
HNDLE	hDB
TGlobalData *	gData
	Object to hold data used and produced by modules throughout alcapana stage of analysis.
TSetupData *	gSetup
	Hardware information about digitizers and detectors to be used during alcapana stage of analysis.
TVacuumData *	gVacuum
	Vacuum data slow control.
char *	gMiasTreeOutputFileName
static TFile *	fTreeFile = NULL
static TTree *	fEventTree = NULL
static TBranch *	fEventBranch = NULL
static TTree *	fSetupTree = NULL
static TBranch *	fSetupBranch = NULL
static TTree *	fVacuumTree = NULL
static TBranch *	fVacuumBranch = NULL
ANA_MODULE	MTreeOutput_module
TROOT *	gROOT
static bool	PLUGIN_LOADED = false

---

Function Documentation

INT MTreeOutput	(	EVENT_HEADER *	pheader,
		void *	pevent
	)

This method writes the data in gData into the branches of the tree

Definition at line 121 of file MTreeOutput.cpp.

References fEventTree, and fVacuumTree.

{
  fEventTree->Fill();
  fVacuumTree->Fill();
  return SUCCESS;
}

INT MTreeOutput_exit

(

)

This method writes the tree and closes the tree file

Definition at line 129 of file MTreeOutput.cpp.

References fTreeFile.

{
  if(fTreeFile){
    fTreeFile->Write();
    fTreeFile->Close();
  }

  return SUCCESS;
}

INT MTreeOutput_init

(

)

This method initializes the tree file and tree

Definition at line 69 of file MTreeOutput.cpp.

References fEventBranch, fEventTree, fSetupBranch, fSetupTree, fTreeFile, fVacuumBranch, fVacuumTree, gMiasTreeOutputFileName, gROOT, and PLUGIN_LOADED.

{
  if (!PLUGIN_LOADED) {
    if(gROOT->GetPluginManager()->FindHandler("TVirtualStreamerInfo") == NULL)
      gROOT->GetPluginManager()->AddHandler("TVirtualStreamerInfo","*","TStreamerInfo","RIO","TStreamerInfo()");
    PLUGIN_LOADED = true;
  }
    
  if(gMiasTreeOutputFileName){
    fTreeFile = TFile::Open(gMiasTreeOutputFileName, "recreate");
    if(!fTreeFile || fTreeFile->IsZombie()){
      printf("Could not open tree file %s!\n", gMiasTreeOutputFileName);
      return ANA_SKIP;
    }  
  }
  fTreeFile->cd();
  
  fEventTree = new TTree("EventTree","All readout channels");
  fEventTree->SetAutoSave(300000000); // autosave when 300 Mbyte written.
  fEventTree->SetMaxVirtualSize(300000000); // 300 Mbyte
  int split = 1;
  int bufsize = 64000;
  Int_t branchstyle = 1;

  if (split < 0) {branchstyle = 0; split = -1-split;}
  TTree::SetBranchStyle(branchstyle);

  fEventBranch = fEventTree->Branch("Event", "TGlobalData", &gData, bufsize, split);
  fEventBranch->SetAutoDelete(kFALSE);

  // The TTree with the setup information
  fSetupTree = new TTree("SetupTree","All setup information");
  fSetupTree->SetAutoSave(300000000); // autosave when 300 Mbyte written.
  fSetupTree->SetMaxVirtualSize(300000000); // 300 Mbyte

  fSetupBranch = fSetupTree->Branch("Setup", "TSetupData", &gSetup, bufsize, split);
  fSetupBranch->SetAutoDelete(kFALSE);
  
  fSetupTree->Fill();

  // The TTree with the Vacuum information
  fVacuumTree = new TTree("VacuumTree","All setup information");
  fVacuumTree->SetAutoSave(300000000); // autosave when 300 Mbyte written.
  fVacuumTree->SetMaxVirtualSize(300000000); // 300 Mbyte

  fVacuumBranch = fVacuumTree->Branch("Vacuum", "TVacuumData", &gVacuum, bufsize, split);
  fVacuumBranch->SetAutoDelete(kFALSE);
  
  return SUCCESS;
}

---

Variable Documentation

TBranch* fEventBranch = NULL [static]

Definition at line 44 of file MTreeOutput.cpp.

Referenced by MTreeOutput_init().

TTree* fEventTree = NULL [static]

Definition at line 43 of file MTreeOutput.cpp.

Referenced by MTreeOutput(), and MTreeOutput_init().

TBranch* fSetupBranch = NULL [static]

Definition at line 46 of file MTreeOutput.cpp.

Referenced by MTreeOutput_init().

TTree* fSetupTree = NULL [static]

Definition at line 45 of file MTreeOutput.cpp.

Referenced by MTreeOutput_init().

TFile* fTreeFile = NULL [static]

Definition at line 42 of file MTreeOutput.cpp.

Referenced by MTreeOutput_exit(), and MTreeOutput_init().

TBranch* fVacuumBranch = NULL [static]

Definition at line 48 of file MTreeOutput.cpp.

Referenced by MTreeOutput_init().

TTree* fVacuumTree = NULL [static]

Definition at line 47 of file MTreeOutput.cpp.

Referenced by MTreeOutput(), and MTreeOutput_init().

char* gMiasTreeOutputFileName

Referenced by MTreeOutput_init().

TROOT* gROOT

Referenced by main(), and MTreeOutput_init().

HNDLE hDB

ANA_MODULE MTreeOutput_module

Initial value:

{
  "MTreeOutput",                 
  "Peter Winter",                
  MTreeOutput,                   
  NULL,                          
  NULL,                          
  MTreeOutput_init,              
  MTreeOutput_exit,              
  NULL,                          
  0,                             
  NULL,                          
}

Definition at line 50 of file MTreeOutput.cpp.

bool PLUGIN_LOADED = false [static]

Definition at line 65 of file MTreeOutput.cpp.

Referenced by MTreeOutput_init().