Alignment/MuonAlignment/src/AlignableDTBarrel.cc - master - githubmirror/cmssw

Alignment/MuonAlignment/src/AlignableDTBarrel.cc
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16 май 2019, 00:01
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/** \file
 *
 *  $Date: 2008/04/10 16:36:41 $
 *  $Revision: 1.7 $
 *  \author Andre Sznajder - UERJ(Brazil)
 */

#include <memory>

#include "Alignment/MuonAlignment/interface/AlignableDTBarrel.h"
#include "CondFormats/Alignment/interface/Alignments.h"
#include "CondFormats/Alignment/interface/AlignmentErrorsExtended.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"

/// The constructor simply copies the vector of wheels and computes the surface from them
AlignableDTBarrel::AlignableDTBarrel(const std::vector<AlignableDTWheel*>& dtWheels)
    : AlignableComposite(dtWheels[0]->id(), align::AlignableDTBarrel) {
  theDTWheels.insert(theDTWheels.end(), dtWheels.begin(), dtWheels.end());

  // maintain also list of components
  for (const auto& wheel : dtWheels) {
    const auto mother = wheel->mother();
    this->addComponent(wheel);  // components will be deleted by dtor of AlignableComposite
    wheel->setMother(mother);   // restore previous behaviour where mother is not set
  }

  setSurface(computeSurface());
  compConstraintType_ = Alignable::CompConstraintType::POSITION_Z;
}

/// Return AlignableBarrelLayer at given index
AlignableDTWheel& AlignableDTBarrel::wheel(int i) {
  if (i >= size())
    throw cms::Exception("LogicError") << "Wheel index (" << i << ") out of range";

  return *theDTWheels[i];
}

/// Returns surface corresponding to current position
/// and orientation, as given by average on all components
AlignableSurface AlignableDTBarrel::computeSurface() {
  return AlignableSurface(computePosition(), computeOrientation());
}

/// Compute average z position from all components (x and y forced to 0)
AlignableDTBarrel::PositionType AlignableDTBarrel::computePosition() {
  float zz = 0.;

  for (std::vector<AlignableDTWheel*>::iterator ilayer = theDTWheels.begin(); ilayer != theDTWheels.end(); ilayer++)
    zz += (*ilayer)->globalPosition().z();

  zz /= static_cast<float>(theDTWheels.size());

  return PositionType(0.0, 0.0, zz);
}

/// Just initialize to default given by default constructor of a RotationType
AlignableDTBarrel::RotationType AlignableDTBarrel::computeOrientation() { return RotationType(); }

/// Output Half Barrel information
std::ostream& operator<<(std::ostream& os, const AlignableDTBarrel& b) {
  os << "This DTBarrel contains " << b.theDTWheels.size() << " Barrel wheels" << std::endl;
  os << "(phi, r, z) =  (" << b.globalPosition().phi() << "," << b.globalPosition().perp() << ","
     << b.globalPosition().z();
  os << "),  orientation:" << std::endl << b.globalRotation() << std::endl;
  return os;
}

/// Recursive printout of whole Half Barrel structure
void AlignableDTBarrel::dump(void) const {
  edm::LogInfo("AlignableDump") << (*this);
  for (std::vector<AlignableDTWheel*>::const_iterator iWheel = theDTWheels.begin(); iWheel != theDTWheels.end();
       iWheel++)
    (*iWheel)->dump();
}

//__________________________________________________________________________________________________
Alignments* AlignableDTBarrel::alignments(void) const {
  Alignments* m_alignments = new Alignments();

  // Add components recursively
  for (const auto& i : this->components()) {
    std::unique_ptr<Alignments> tmpAlignments{i->alignments()};
    std::copy(tmpAlignments->m_align.begin(), tmpAlignments->m_align.end(), std::back_inserter(m_alignments->m_align));
  }

  // sort by rawId
  std::sort(m_alignments->m_align.begin(), m_alignments->m_align.end());

  return m_alignments;
}

//__________________________________________________________________________________________________
AlignmentErrorsExtended* AlignableDTBarrel::alignmentErrors(void) const {
  AlignmentErrorsExtended* m_alignmentErrors = new AlignmentErrorsExtended();

  // Add components recursively
  for (const auto& i : this->components()) {
    std::unique_ptr<AlignmentErrorsExtended> tmpAlignmentErrorsExtended{i->alignmentErrors()};
    std::copy(tmpAlignmentErrorsExtended->m_alignError.begin(),
              tmpAlignmentErrorsExtended->m_alignError.end(),
              std::back_inserter(m_alignmentErrors->m_alignError));
  }

  // sort by rawId
  std::sort(m_alignmentErrors->m_alignError.begin(), m_alignmentErrors->m_alignError.end());

  return m_alignmentErrors;
}