MShortPulseTimes.cpp

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/********************************************************************\

Name:         MPulseTimeSeparation
Created by:   Joe Grange

Contents:     A module to fill a histogram of any pulses with only 4 samples

\********************************************************************/

/* Standard includes */
#include <stdio.h>
#include <stdlib.h>
#include <string>
#include <map>
#include <utility>
#include <sstream>

/* MIDAS includes */
#include "midas.h"

/* ROOT includes */
#include <TH1.h>

/* AlCap includes */
#include "TOctalFADCIsland.h"
#include "TOctalFADCBankReader.h"
#include "TGlobalData.h"
#include "TSetupData.h"
#include "TPulseIsland.h"

using std::string;
using std::map;
using std::vector;
using std::pair;

/*-- Module declaration --------------------------------------------*/
INT  MShortPulseTimes_init(void);
INT  MShortPulseTimes(EVENT_HEADER*, void*);
vector<string> GetAllBankNames();
double GetClockTickForChannel(string bank_name);

string testname = "CaenCh0";
extern HNDLE hDB;
extern TGlobalData* gData;
extern TSetupData* gSetup;

static vector<TOctalFADCBankReader*> fadc_bank_readers;

static std::map<std::string, TH1*>  time_short_pulse_histogram_map;
static std::map<std::string, TH1*>  time_nshort_pulse_histogram_map;

ANA_MODULE MShortPulseTimes_module =
{
        "MShortPulseTimes",                    /* module name           */
        "Joe Grange",              /* author                */
        MShortPulseTimes,                      /* event routine         */
        NULL,                          /* BOR routine           */
        NULL,                          /* EOR routine           */
        MShortPulseTimes_init,                 /* init routine          */
        NULL,                          /* exit routine          */
        NULL,                          /* parameter structure   */
        0,                             /* structure size        */
        NULL,                          /* initial parameters    */
};

INT MShortPulseTimes_init()
{
  // This histogram has the pulse times on the X-axis and the number of pulses on the Y-axis
  // One histogram is created for each detector
  // This uses the TH1::kCanRebin mechanism to expand automatically to the
  // number of FADC banks.

  std::map<std::string, std::string> bank_to_detector_map = gSetup->fBankToDetectorMap;
  for(std::map<std::string, std::string>::iterator mapIter = bank_to_detector_map.begin();
      mapIter != bank_to_detector_map.end(); mapIter++) {

    std::string detname = gSetup->GetDetectorName(mapIter->first);
    std::string histname = "h" + detname + "_ShortPulseTimes";
    std::string histtitle = "Plot of the short pulse times for the " + detname + " detector";
    TH1D* hShortPulseTime = new TH1D(histname.c_str(),histtitle.c_str(),240,0,120e6);
    hShortPulseTime->GetXaxis()->SetTitle("Pulse time (ns)");
    hShortPulseTime->GetXaxis()->CenterTitle(1);
    hShortPulseTime->GetYaxis()->SetTitle("Number of 4-sample pulses");
    hShortPulseTime->GetYaxis()->CenterTitle(1);
    //hShortPulseTime->SetBit(TH1::kCanRebin);

    std::string histname2 = "h" + detname + "_NonShortPulseTimes";
    std::string histtitle2 = "Plot of the non-short pulse times for the " + detname + " detector";
    TH1D* hNonShortPulseTime = new TH1D(histname2.c_str(),histtitle2.c_str(),240,0,120e6);
    hNonShortPulseTime->GetXaxis()->SetTitle("Pulse time (ns)");
    hNonShortPulseTime->GetXaxis()->CenterTitle(1);
    hNonShortPulseTime->GetYaxis()->SetTitle("Number of all other pulses");
    hNonShortPulseTime->GetYaxis()->CenterTitle(1);
    //hNonShortPulseTime->SetBit(TH1::kCanRebin);

    time_short_pulse_histogram_map[mapIter->first] = hShortPulseTime;
    time_nshort_pulse_histogram_map[mapIter->first] = hNonShortPulseTime;

  }

  return SUCCESS;
}

INT MShortPulseTimes(EVENT_HEADER *pheader, void *pevent)
{
        // Get the event number
        int midas_event_number = pheader->serial_number;

        // Some typedefs
        typedef map<string, vector<TPulseIsland*> > TStringPulseIslandMap;
        typedef pair<string, vector<TPulseIsland*> > TStringPulseIslandPair;
        typedef map<string, vector<TPulseIsland*> >::iterator map_iterator;

        // Fetch a reference to the gData structure that stores a map
        // of (bank_name, vector<TPulseIsland*>) pairs
        TStringPulseIslandMap& pulse_islands_map =
                gData->fPulseIslandToChannelMap;

        // Loop over the map and get each bankname, vector pair
        for (map_iterator theMapIter = pulse_islands_map.begin(); theMapIter != pulse_islands_map.end(); theMapIter++) 
        {
          std::string bankname = theMapIter->first;
          std::vector<TPulseIsland*> thePulses = theMapIter->second;
                        
          // Loop over the TPulseIslands and plot the histogram
          for (std::vector<TPulseIsland*>::iterator thePulseIter = thePulses.begin(); thePulseIter != thePulses.end(); thePulseIter++) {
        if (gSetup->GetDetectorName(theMapIter->first)=="CDG0" && ((*thePulseIter)->GetSamples().size()>0)) printf("\nfound caen\n");

        //samples = (*thePulseIter)->GetSamples();
        if ((*thePulseIter)->GetSamples().size()==4) time_short_pulse_histogram_map[bankname]->Fill((*thePulseIter)->GetPulseTime());        
        else time_nshort_pulse_histogram_map[bankname]->Fill((*thePulseIter)->GetPulseTime());
            
          }

        }
        return SUCCESS;
}