JCompareDetector.cc

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#include <string>
#include <iostream>
#include <iomanip>

#include "TROOT.h"
#include "TFile.h"
#include "TH1D.h"
#include "TH2D.h"

#include "JGeometry3D/JQuaternion3D.hh"
#include "JMath/JConstants.hh"
#include "JTools/JRange.hh"
#include "JTools/JQuantile.hh"
#include "JDetector/JDetector.hh"
#include "JDetector/JDetectorToolkit.hh"
#include "JDetector/JModuleRouter.hh"

#include "Jeep/JPrint.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"


namespace {

  using namespace JPP;

  /**
   * Compare time calibration of PMTs between two optical modules.
   *
   * \param  module_a        module
   * \param  module_b        module
   * \return                 quantile
   */
  inline JQuantile getQuantile(const JModule& module_a, const JModule& module_b)
  {
    JQuantile Q;

    JModule::const_iterator pmt_a = module_a.begin();
    JModule::const_iterator pmt_b = module_b.begin();

    for ( ; pmt_a != module_a.end() && pmt_b != module_b.end(); ++pmt_a, ++pmt_b) {
      Q.put(pmt_a->getT0() - pmt_b->getT0());
    }      
    return Q;
  }


  /**
   * Get ROOT histogram abscissa value.
   *
   * \param  buffer          buffer
   * \param  value           value
   * \return                 value
   */
  inline Double_t getBin(const std::set<int>& buffer, const int value)
  {
    return std::distance(buffer.begin(), buffer.find(value));
  }
}


/**
 * \file
 *
 * Auxiliary program to find differences between two detector files.\n
 * A ROOT output file with histograms is optionally produced.
 * \author mjongen
 */
int main(int argc, char **argv)
{
  using namespace std;
  using namespace JPP;

  string  detectorFile_a;
  string  detectorFile_b;
  string  outputFile;
  double  precision;
  int     debug;

  try {

    JParser<> zap("Auxiliary program to find differences between two detector files.");

    zap['a'] = make_field(detectorFile_a);
    zap['b'] = make_field(detectorFile_b);
    zap['o'] = make_field(outputFile)            = "";
    zap['p'] = make_field(precision)             = 0.001; // [ns,m]
    zap['d'] = make_field(debug)                 = 3;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }

  
  JDetector detector_a;
  JDetector detector_b;

  try {
    load(detectorFile_a, detector_a);
  }
  catch(const JException& error) {
    FATAL(error);
  }

  try {
    load(detectorFile_b, detector_b);
  }
  catch(const JException& error) {
    FATAL(error);
  }


  bool is_equal = true;

  const JModuleRouter module_router_a(detector_a);
  const JModuleRouter module_router_b(detector_b);

  setFormat<JPosition3D>  (JFormat_t(15, 9, std::ios::fixed | std::ios::showpos));
 
  // compare detector identifiers

  if (detector_a.getID() != detector_b.getID()) {

    DEBUG("* Different detector identifiers " 
          << setw(5) << detector_a.getID() << " (A) and " << endl 
          << setw(5) << detector_b.getID() << " (B)."     << endl
          << endl);

    is_equal = false;
  }


  // check whether the same modules are present in the file

  for (JDetector::iterator module = detector_a.begin(); module != detector_a.end(); ++module) {

    if (!module_router_b.hasModule(module->getID())) {

      DEBUG("* Module " << setw(10) << module->getID() << " is in A " << getLabel(*module) << " but not in B" << endl);

      is_equal = false;
    }
  }

  for (JDetector::iterator module = detector_b.begin(); module != detector_b.end(); ++module) {

    if (!module_router_a.hasModule(module->getID())) {

      DEBUG("* Module " << setw(10) << module->getID() << " is in B " << getLabel(*module) << " but not in A" << endl);

      is_equal = false;
    }
  }
  DEBUG(endl);


  // compare the modules that the files have in common

  DEBUG("Comparing module by module." << endl);

  for (JDetector::iterator module_a = detector_a.begin(); module_a != detector_a.end(); ++module_a) {

    if (!module_router_b.hasModule(module_a->getID())) {

      continue;

      is_equal = false;
    }
    
    const JModule* module_b = &module_router_b.getModule(module_a->getID());
    
    DEBUG("  Module " << setw(10) << module_a->getID());
           
    // string and floor numbers

    if (module_a->getLocation() == module_b->getLocation()) {

      DEBUG(" " << getLabel(*module_a) << endl);

    } else {

      DEBUG(endl);
      DEBUG("  * different location: "
            << getLabel(*module_a) << " (A), "
            << getLabel(*module_b) << " (B)" << endl);

      is_equal = false;
    }

    // time offset

    if (fabs(module_a->getT0() - module_b->getT0()) > precision) {

      DEBUG("  * different T0: " 
            << module_a->getT0() << " (A), "
            << module_b->getT0() << " (B) "
            << ", B - A " << module_b->getT0() - module_a->getT0() << endl);
        
      is_equal = false;
    }

    // quaternion calibration

    if (getAngle(module_a->getQuaternion(), module_b->getQuaternion()) > precision) {

      DEBUG("  * different quaternion calibration: " 
            << module_a->getQuaternion() << " (A), "
            << module_b->getQuaternion() << " (B) "
            << ", B - A " << getAngle(module_b->getQuaternion(), module_a->getQuaternion()) << endl);
        
      is_equal = false;
    }

    // average DOM positions

    if (getDistance(module_a->getPosition(), module_b->getPosition()) > precision) {

      DEBUG("  * different position: "
            << module_a->getPosition() << " (A), " 
            << module_b->getPosition() << " (B)"
            << ", B - A " << JPosition3D(module_b->getPosition() - module_a->getPosition()) << endl);

      is_equal = false;
    }

    // number of PMTs

    if (module_a->size() != module_b->size()) {

      DEBUG("  * different number of PMTs: "
            << module_a->size() << " (A), " 
            << module_b->size() << " (B)" << endl);

      is_equal = false;
    }
           
    // average t0

    if (!module_a->empty() &&
        !module_b->empty()) { 

      const JQuantile q = getQuantile(*module_a, *module_b);

      if (fabs(q.getMean()) > precision) {

        DEBUG("  * different average t0: "
              << ", B - A " << q.getMean()
              << endl);
      
        is_equal = false;
      }
    }

    // global t0

    if (fabs(module_a->getT0() - module_b->getT0()) > precision) {

      DEBUG("  * different global t0: "
            << module_a->getT0() << " (A), " 
            << module_b->getT0() << " (B)"   
            << ", B - A " << module_b->getT0() - module_a->getT0()
            << endl);
      
      is_equal = false;
    }

    // comparing by PMT

    // t0

    for (unsigned int pmt = 0; pmt != module_a->size() && pmt != module_b->size(); ++pmt) {

      const JPMT& pmt_a = module_a->getPMT(pmt);
      const JPMT& pmt_b = module_b->getPMT(pmt);

      if (fabs(pmt_a.getT0() - pmt_b.getT0()) > precision) {

        DEBUG("  * different T0 PMT " << pmt << ": "
              << pmt_a.getT0() << " (A" << FILL(2,'0') << pmt << "), " 
              << pmt_b.getT0() << " (B" << FILL(2,'0') << pmt << ")" 
              << ", B - A " << pmt_b.getT0() - pmt_a.getT0()  
              << endl);
        
        is_equal = false;
      }
    }

    // positions

    for (unsigned int pmt = 0; pmt != module_a->size() && pmt != module_b->size(); ++pmt) {

      const JPMT& pmt_a = module_a->getPMT(pmt);
      const JPMT& pmt_b = module_b->getPMT(pmt);

      // PMT positions

      if (pmt_a.getPosition().getDistance(pmt_b.getPosition()) > precision) {

        DEBUG("  * different PMT position: "
              << pmt_a.getPosition() << " (A" << FILL(2,'0') << pmt << "), " 
              << pmt_b.getPosition() << " (B" << FILL(2,'0') << pmt << ")" 
              << ", B - A " << JPosition3D(pmt_b.getPosition() - pmt_a.getPosition()) << endl);
        
        is_equal = false;
      }
    }

    // status

    for (unsigned int pmt = 0; pmt != module_a->size() && pmt != module_b->size(); ++pmt) {

      const JPMT& pmt_a = module_a->getPMT(pmt);
      const JPMT& pmt_b = module_b->getPMT(pmt);

      if (pmt_a.getStatus() != pmt_b.getStatus()) {

        DEBUG("  * different status PMT " << pmt << ": "
              << pmt_a.getStatus() << " (A" << FILL(2,'0') << pmt << "), " 
              << pmt_b.getStatus() << " (B" << FILL(2,'0') << pmt << ")"  
              << endl);
        
        is_equal = false;
      }
    }
  }    
  DEBUG(endl);


  if (outputFile != "") {

    TFile out(outputFile.c_str(), "recreate");    

    set<int> string;
    set<int> floor;
    
    for (JDetector::iterator module = detector_a.begin(); module != detector_a.end(); ++module) {
      string.insert(module->getString());
      floor .insert(module->getFloor ());
    }
    
    for (JDetector::iterator module = detector_b.begin(); module != detector_b.end(); ++module) {
      string.insert(module->getString());
      floor .insert(module->getFloor ());
    }


    TH2D M2("M2", NULL,
            string.size(), -0.5, string.size() - 0.5,
            floor .size(), -0.5, floor .size() - 0.5);

    for (set<int>::const_iterator i = string.begin(); i != string.end(); ++i) {
      M2.GetXaxis()->SetBinLabel(distance(string.begin(), i) + 1, MAKE_CSTRING(*i));
    }

    for (set<int>::const_iterator i = floor.begin();  i != floor.end();  ++i) {
      M2.GetYaxis()->SetBinLabel(distance(floor.begin(), i) + 1,  MAKE_CSTRING(*i));
    }

    TH2D* X2  = (TH2D*) M2.Clone("X2" );
    TH2D* Y2  = (TH2D*) M2.Clone("Y2" );
    TH2D* Z2  = (TH2D*) M2.Clone("Z2" );
    TH2D* T2  = (TH2D*) M2.Clone("T2" );
    TH2D* RM2 = (TH2D*) M2.Clone("RM2");
    TH2D* R2  = (TH2D*) M2.Clone("R2" );
    TH2D* QA  = (TH2D*) M2.Clone("QA" );
    TH2D* QB  = (TH2D*) M2.Clone("QB" );
    TH2D* QC  = (TH2D*) M2.Clone("QC" );
    TH2D* QD  = (TH2D*) M2.Clone("QD" );


    for (JDetector::iterator module = detector_a.begin(); module != detector_a.end(); ++module) {
      if (!module_router_b.hasModule(module->getID()) ) {
        M2.Fill(module->getString(), module->getFloor(), -1.0);
      }
    }
    
    for (JDetector::iterator module = detector_b.begin(); module != detector_b.end(); ++module) {
      if (!module_router_a.hasModule(module->getID()) ) {
        M2.Fill(module->getString(), module->getFloor(), +1.0);
      }
    }

    for (JDetector::iterator module_a = detector_a.begin(); module_a != detector_a.end(); ++module_a) {

      if (!module_router_b.hasModule(module_a->getID())) {
        continue;
      }
      
      const JModule* module_b = &module_router_b.getModule(module_a->getID());

      X2 ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), module_a->getX() - module_b->getX());
      Y2 ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), module_a->getY() - module_b->getY());
      Z2 ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), module_a->getZ() - module_b->getZ());

      if (module_a->getFloor() != 0 &&
          module_b->getFloor() != 0) {

        double phi = 0.0;

        for (unsigned int pmt = 0; pmt != module_a->size() && pmt != module_b->size(); ++pmt) {

          double x = module_a->getPMT(pmt).getPhi()  -  module_b->getPMT(pmt).getPhi();

          while (x > +PI) { x -= PI; }
          while (x < -PI) { x += PI; }
      
          phi += x; 
        }

        phi /= min(module_a->size(),
                   module_b->size());

        const JQuaternion3D Q = getRotation(*module_a, *module_b);
        const JQuantile     q = getQuantile(*module_a, *module_b);

        R2 ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), phi * 180.0/PI);
        QA ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), Q.getA());
        QB ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), Q.getB());
        QC ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), Q.getC());
        QD ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), Q.getD());
        T2 ->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), q.getMean());
        RM2->Fill(getBin(string, module_a->getString()), getBin(floor, module_a->getFloor()), q.getRMS());
      }
    }

    out.Write();
    out.Close();
  }

  ASSERT(is_equal);

  return 0;
}