CmsMTDLevelBuilder.cc

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#include "DetectorDescription/Core/interface/DDFilteredView.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "Geometry/MTDNumberingBuilder/interface/GeometricTimingDet.h"
#include "Geometry/MTDNumberingBuilder/plugins/CmsMTDLevelBuilder.h"
#include "Geometry/MTDNumberingBuilder/plugins/ExtractStringFromDDD.h"

#include <cmath>

bool CmsMTDLevelBuilder::subDetByType(const GeometricTimingDet* a, const GeometricTimingDet* b) {
  // it relies on the fact that the GeometricTimingDet::GDEnumType
  // enumerators used to identify the subdetectors in the upgrade geometries
  // are equal to the ones of the present detector + n*100
  return a->type() < b->type();
}

// NP** Phase2 BarrelEndcap
bool CmsMTDLevelBuilder::phiSortNP(const GeometricTimingDet* a, const GeometricTimingDet* b) {
  if (std::abs(a->translation().rho() - b->translation().rho()) < 0.01 &&
      (std::abs(a->translation().phi() - b->translation().phi()) < 0.01 ||
       std::abs(a->translation().phi() - b->translation().phi()) > 6.27) &&
      a->translation().z() * b->translation().z() > 0.0) {
    return (std::abs(a->translation().z()) < std::abs(b->translation().z()));
  } else
    return false;
}

bool CmsMTDLevelBuilder::isLessZ(const GeometricTimingDet* a, const GeometricTimingDet* b) {
  // NP** change for Phase 2 Tracker
  if (a->translation().z() == b->translation().z()) {
    return a->translation().rho() < b->translation().rho();
  } else {
    // Original version
    return a->translation().z() < b->translation().z();
  }
}

bool CmsMTDLevelBuilder::isLessModZ(const GeometricTimingDet* a, const GeometricTimingDet* b) {
  return std::abs(a->translation().z()) < std::abs(b->translation().z());
}

double CmsMTDLevelBuilder::getPhi(const GeometricTimingDet* a) {
  double phi = a->phi();
  return (phi >= 0 ? phi : phi + 2 * M_PI);
}

double CmsMTDLevelBuilder::getPhiModule(const GeometricTimingDet* a) {
  std::vector<const GeometricTimingDet*> const& comp = a->components().back()->components();
  float phi = 0.;
  bool sum = true;

  for (auto i : comp) {
    if (std::abs(i->phi()) > M_PI / 2.) {
      sum = false;
      break;
    }
  }

  if (sum) {
    for (auto i : comp) {
      phi += i->phi();
    }

    double temp = phi / float(comp.size()) < 0. ? 2 * M_PI + phi / float(comp.size()) : phi / float(comp.size());
    return temp;

  } else {
    for (auto i : comp) {
      double phi1 = i->phi() >= 0 ? i->phi() : i->phi() + 2 * M_PI;
      phi += phi1;
    }

    double com = comp.front()->phi() >= 0 ? comp.front()->phi() : 2 * M_PI + comp.front()->phi();
    double temp =
        std::abs(phi / float(comp.size()) - com) > 2. ? M_PI - phi / float(comp.size()) : phi / float(comp.size());
    temp = temp >= 0 ? temp : 2 * M_PI + temp;
    return temp;
  }
}

double CmsMTDLevelBuilder::getPhiGluedModule(const GeometricTimingDet* a) {
  std::vector<const GeometricTimingDet*> comp;
  a->deepComponents(comp);
  float phi = 0.;
  bool sum = true;

  for (auto& i : comp) {
    if (std::abs(i->phi()) > M_PI / 2.) {
      sum = false;
      break;
    }
  }

  if (sum) {
    for (auto& i : comp) {
      phi += i->phi();
    }

    double temp = phi / float(comp.size()) < 0. ? 2 * M_PI + phi / float(comp.size()) : phi / float(comp.size());
    return temp;

  } else {
    for (auto& i : comp) {
      double phi1 = i->phi() >= 0 ? i->phi() : i->translation().phi() + 2 * M_PI;
      phi += phi1;
    }

    double com = comp.front()->phi() >= 0 ? comp.front()->phi() : 2 * M_PI + comp.front()->phi();
    double temp =
        std::abs(phi / float(comp.size()) - com) > 2. ? M_PI - phi / float(comp.size()) : phi / float(comp.size());
    temp = temp >= 0 ? temp : 2 * M_PI + temp;
    return temp;
  }
}

double CmsMTDLevelBuilder::getPhiMirror(const GeometricTimingDet* a) {
  double phi = a->phi();
  phi = (phi >= 0 ? phi : phi + 2 * M_PI);                              // (-pi,pi] --> [0,2pi)
  return ((M_PI - phi) >= 0 ? (M_PI - phi) : (M_PI - phi) + 2 * M_PI);  // (-pi,pi] --> [0,2pi)
}

double CmsMTDLevelBuilder::getPhiModuleMirror(const GeometricTimingDet* a) {
  double phi = getPhiModule(a);                // [0,2pi)
  phi = (phi <= M_PI ? phi : phi - 2 * M_PI);  // (-pi,pi]
  return (M_PI - phi);
}

double CmsMTDLevelBuilder::getPhiGluedModuleMirror(const GeometricTimingDet* a) {
  double phi = getPhiGluedModule(a);           // [0,2pi)
  phi = (phi <= M_PI ? phi : phi - 2 * M_PI);  // (-pi,pi]
  return (M_PI - phi);
}

bool CmsMTDLevelBuilder::isLessRModule(const GeometricTimingDet* a, const GeometricTimingDet* b) {
  return a->deepComponents().front()->rho() < b->deepComponents().front()->rho();
}

bool CmsMTDLevelBuilder::isLessR(const GeometricTimingDet* a, const GeometricTimingDet* b) {
  return a->rho() < b->rho();
}

void CmsMTDLevelBuilder::build(DDFilteredView& fv, GeometricTimingDet* tracker, std::string attribute) {
  LogTrace("GeometricTimingDetBuilding") << std::string(3 * fv.history().size(), '-') << "+ "
                                         << ExtractStringFromDDD::getString(attribute, &fv) << " " << tracker->type()
                                         << " " << tracker->name() << std::endl;

  bool doLayers = fv.firstChild();  // descend to the next Layer

  while (doLayers) {
    buildComponent(fv, tracker, attribute);
    doLayers = fv.nextSibling();  // go to the next adjacent thingy
  }

  fv.parent();

  sortNS(fv, tracker);
}