GeometryAligner Class Reference

Class to update a given geometry with a set of alignments. More...

#include <GeometryAligner.h>

Inheritance diagram for GeometryAligner:

Public Member Functions
template<class C >
void	applyAlignments (C *geometry, const Alignments *alignments, const AlignmentErrorsExtended *alignmentErrors, const AlignTransform &globalCoordinates)
template<class C >
void	attachSurfaceDeformations (C *geometry, const AlignmentSurfaceDeformations *surfaceDeformations)
void	removeGlobalTransform (const Alignments *alignments, const AlignmentErrorsExtended *alignmentErrors, const AlignTransform &globalCoordinates, Alignments *newAlignments, AlignmentErrorsExtended *newAlignmentErrorsExtended)
Public Member Functions inherited from DetPositioner
virtual	~DetPositioner ()

Additional Inherited Members
Protected Member Functions inherited from DetPositioner
void	moveGeomDet (GeomDet &det, const GlobalVector &displacement)
void	rotateGeomDet (GeomDet &det, const Surface::RotationType &rotation)
bool	setAlignmentPositionError (GeomDet &det, const AlignmentPositionError &ape)
void	setGeomDetPosition (GeomDet &det, const Surface::PositionType &position, const Surface::RotationType &rotation)
void	setSurfaceDeformation (GeomDetUnit &detUnit, const SurfaceDeformation *deformation)

Detailed Description

Class to update a given geometry with a set of alignments.

Definition at line 33 of file GeometryAligner.h.

Member Function Documentation

template<class C >

void GeometryAligner::applyAlignments	(	C *	geometry,
		const Alignments *	alignments,
		const AlignmentErrorsExtended *	alignmentErrors,
		const AlignTransform &	globalCoordinates
	)

Definition at line 55 of file GeometryAligner.h.

References popcon2dropbox::copy(), relativeConstraints::error, Alignments::m_align, AlignmentErrorsExtended::m_alignError, position, idealTransformation::rotation, AlignTransform::rotation(), DetPositioner::setAlignmentPositionError(), DetPositioner::setGeomDetPosition(), and AlignTransform::translation().

Referenced by CreateSurveyRcds::analyze(), TrackerSystematicMisalignments::analyze(), AlignmentMonitorAsAnalyzer::analyze(), TrackerGeometryIntoNtuples::analyze(), AlignmentProducerBase::applyAlignmentsToGeometry(), AlignmentProducerBase::applyDB(), TrackerGeometryCompare::createROOTGeometry(), MuonAlignmentInputDB::newAlignableMuon(), TrackerDigiGeometryESModule::produce(), CSCGeometryESModule::produce(), DTGeometryESModule::produce(), MisalignedTrackerESProducer::produce(), and MisalignedMuonESProducer::produce().

{

  edm::LogInfo("Alignment") << "@SUB=GeometryAligner::applyAlignments" 
                << "Starting to apply alignments.";

  // Preliminary checks (or we can't loop!)
  if ( alignments->m_align.size() != geometry->theMap.size() )
    throw cms::Exception("GeometryMismatch") 
      << "Size mismatch between geometry (size=" << geometry->theMap.size() 
      << ") and alignments (size=" << alignments->m_align.size() << ")";
  if ( alignments->m_align.size() != alignmentErrors->m_alignError.size() )
    throw cms::Exception("GeometryMismatch") 
      << "Size mismatch between geometry (size=" << geometry->theMap.size() 
      << ") and alignment errors (size=" << alignmentErrors->m_alignError.size() << ")";

  const AlignTransform::Translation &globalShift = globalCoordinates.translation();
  const AlignTransform::Rotation globalRotation = globalCoordinates.rotation(); // by value!
  const AlignTransform::Rotation inverseGlobalRotation = globalRotation.inverse();

  // Parallel loop on alignments, alignment errors and geomdets
  std::vector<AlignTransform>::const_iterator iAlign = alignments->m_align.begin();
  std::vector<AlignTransformErrorExtended>::const_iterator 
    iAlignError = alignmentErrors->m_alignError.begin();
  //copy  geometry->theMap to a real map to order it....
  std::map<unsigned int, GeomDet const *> theMap;
  std::copy(geometry->theMap.begin(), geometry->theMap.end(), std::inserter(theMap,theMap.begin()));
  unsigned int nAPE = 0;
  for ( auto iPair = theMap.begin(); 
    iPair != theMap.end(); ++iPair, ++iAlign, ++iAlignError )
    {
      // Check DetIds
      if ( (*iPair).first != (*iAlign).rawId() )
        throw cms::Exception("GeometryMismatch") 
          << "DetId mismatch between geometry (rawId=" << (*iPair).first
          << ") and alignments (rawId=" << (*iAlign).rawId();
      
      if ( (*iPair).first != (*iAlignError).rawId() )
        throw cms::Exception("GeometryMismatch") 
          << "DetId mismatch between geometry (rawId=" << (*iPair).first
          << ") and alignment errors (rawId=" << (*iAlignError).rawId();

      // Apply global correction
      CLHEP::Hep3Vector positionHep = globalRotation * CLHEP::Hep3Vector( (*iAlign).translation() ) + globalShift;
      CLHEP::HepRotation rotationHep = CLHEP::HepRotation( (*iAlign).rotation() )  * inverseGlobalRotation;

      // Define new position/rotation objects and apply
      Surface::PositionType position( positionHep.x(), positionHep.y(), positionHep.z() );
      Surface::RotationType rotation( rotationHep.xx(), rotationHep.xy(), rotationHep.xz(), 
                      rotationHep.yx(), rotationHep.yy(), rotationHep.yz(), 
                      rotationHep.zx(), rotationHep.zy(), rotationHep.zz() );
      GeomDet* iGeomDet = const_cast<GeomDet*>((*iPair).second);
      this->setGeomDetPosition( *iGeomDet, position, rotation );

      // Alignment Position Error only if non-zero to save memory
      GlobalErrorExtended error( asSMatrix<6>((*iAlignError).matrix()) );

      AlignmentPositionError ape( error );
      if (this->setAlignmentPositionError( *iGeomDet, ape ))
        ++nAPE;
      
    }

  edm::LogInfo("Alignment") << "@SUB=GeometryAligner::applyAlignments" 
                << "Finished to apply " << theMap.size() << " alignments with "
                << nAPE << " non-zero APE.";
}

template<class C >

void GeometryAligner::attachSurfaceDeformations	(	C *	geometry,
		const AlignmentSurfaceDeformations *	surfaceDeformations
	)

Definition at line 128 of file GeometryAligner.h.

References popcon2dropbox::copy(), SurfaceDeformationFactory::create(), AlignmentSurfaceDeformations::items(), metProducer_cfi::parameters, AlignmentSurfaceDeformations::parameters(), and DetPositioner::setSurfaceDeformation().

Referenced by TrackerGeometryIntoNtuples::analyze(), AlignmentProducerBase::applyAlignmentsToGeometry(), AlignmentProducerBase::applyDB(), and TrackerDigiGeometryESModule::produce().

{
  edm::LogInfo("Alignment") << "@SUB=GeometryAligner::attachSurfaceDeformations" 
                << "Starting to attach surface deformations.";

  //copy geometry->theMapUnit to a real map to order it....
  std::map<unsigned int, GeomDetUnit const*> theMap;
  std::copy(geometry->theMapUnit.begin(), geometry->theMapUnit.end(), std::inserter(theMap, theMap.begin()));
  
  unsigned int nSurfDef = 0;
  unsigned int itemIndex = 0;
  auto iPair = theMap.begin();
  for ( std::vector<AlignmentSurfaceDeformations::Item>::const_iterator iItem = surfaceDeformations->items().begin();
    iItem != surfaceDeformations->items().end();
    ++iItem, ++iPair) {
    
    // Check DetIds
    // go forward in map of GeomDetUnits until DetId is found
    while ( (*iPair).first != (*iItem).m_rawId ) {

      // remove SurfaceDeformation from GeomDetUnit (i.e. set NULL pointer)
      GeomDetUnit* geomDetUnit = const_cast<GeomDetUnit*>((*iPair).second);
      this->setSurfaceDeformation( *geomDetUnit, 0 );

      ++iPair;
      if ( iPair==theMap.end() )
    throw cms::Exception("GeometryMismatch") 
      << "GeomDetUnit with rawId=" << (*iItem).m_rawId
      << " not found in geometry";
    }
    
    // get the parameters and put them into a vector
    AlignmentSurfaceDeformations::ParametersConstIteratorPair iteratorPair = surfaceDeformations->parameters(itemIndex);
    std::vector<double> parameters;
    std::copy(iteratorPair.first, iteratorPair.second, std::back_inserter(parameters));
    
    // create SurfaceDeformation via factory
    SurfaceDeformation * surfDef = SurfaceDeformationFactory::create( (*iItem).m_parametrizationType, parameters);
    GeomDetUnit* geomDetUnit = const_cast<GeomDetUnit*>((*iPair).second);
    this->setSurfaceDeformation( *geomDetUnit, surfDef );
    // delete is not needed since SurfaceDeformation is passed as a
    // DeepCopyPointerByClone which takes over ownership. Needs to be
    // cleaned up and checked once SurfaceDeformation are moved to
    // proxy topology classes
    //delete surfDef; 

    ++nSurfDef;
    
    ++itemIndex;
  }
  
  edm::LogInfo("Alignment") << "@SUB=GeometryAligner::attachSurfaceDeformations" 
                << "Finished to attach " << nSurfDef << " surface deformations.";
}

void GeometryAligner::removeGlobalTransform ( const Alignments *  alignments, const AlignmentErrorsExtended *  alignmentErrors, const AlignTransform &  globalCoordinates, Alignments *  newAlignments, AlignmentErrorsExtended *  newAlignmentErrorsExtended  )

inline

Definition at line 184 of file GeometryAligner.h.

References relativeConstraints::error, Alignments::m_align, AlignmentErrorsExtended::m_alignError, AlignTransform::rotation(), and AlignTransform::translation().

Referenced by AlignmentProducerBase::writeDB().

{
  edm::LogInfo("Alignment") << "@SUB=GeometryAligner::removeGlobalTransform" 
                << "Starting to remove global position from alignments and errors";
  
  if ( alignments->m_align.size() != alignmentErrors->m_alignError.size() )
    throw cms::Exception("GeometryMismatch") 
      << "Size mismatch between alignments (size=" << alignments->m_align.size()
      << ") and alignment errors (size=" << alignmentErrors->m_alignError.size() << ")";
  
  const AlignTransform::Translation &globalShift = globalCoordinates.translation();
  const AlignTransform::Rotation globalRotation = globalCoordinates.rotation(); // by value!
  const AlignTransform::Rotation inverseGlobalRotation = globalRotation.inverse();
  
  AlignTransform::Translation newPosition;
  AlignTransform::Rotation newRotation;
  
  std::vector<AlignTransform>::const_iterator iAlign = alignments->m_align.begin();
  std::vector<AlignTransformErrorExtended>::const_iterator iAlignError = alignmentErrors->m_alignError.begin();
  unsigned int nAPE = 0;
  for ( iAlign = alignments->m_align.begin();
        iAlign != alignments->m_align.end();
        ++iAlign, ++iAlignError ) {
    
    // Remove global position transformation from alignment
    newPosition = inverseGlobalRotation * ( (*iAlign).translation() - globalShift );
    newRotation = (*iAlign).rotation() * globalRotation;
    
    newAlignments->m_align.push_back( AlignTransform(newPosition,
                                                     newRotation,
                                                     (*iAlign).rawId()) );
    
    // Don't remove global position transformation from APE
    // as it wasn't applied. Just fill vector with original
    // values
    GlobalErrorExtended error( asSMatrix<6>((*iAlignError).matrix()) );
    newAlignmentErrorsExtended->m_alignError.push_back( AlignTransformErrorExtended( (*iAlignError).matrix(),
                                     (*iAlignError).rawId() ) );

    //if ( error.cxx() || error.cyy() || error.czz() ||
//   error.cyx() || error.czx() || error.czy() ) {
//      ++nAPE;
//    }

    // Code that removes the global postion transformation
    // from the APE.
    //     
    //AlgebraicSymMatrix as(3,0);
    //as[0][0] = error.cxx();
    //as[1][0] = error.cyx(); as[1][1] = error.cyy();
    //as[2][0] = error.czx(); as[2][1] = error.czy(); as[2][2] = error.czz();
    
    //AlgebraicMatrix am(3,3);
    //am[0][0] = inverseGlobalRotation.xx(); am[0][1] = inverseGlobalRotation.xy(); am[0][2] = inverseGlobalRotation.xz();
    //am[1][0] = inverseGlobalRotation.yx(); am[1][1] = inverseGlobalRotation.yy(); am[1][2] = inverseGlobalRotation.yz();
    //am[2][0] = inverseGlobalRotation.zx(); am[2][1] = inverseGlobalRotation.zy(); am[2][2] = inverseGlobalRotation.zz();
    //as = as.similarityT( am );
    
    //GlobalErrorExtended newError( as );
    //newAlignmentErrorsExtended->m_alignError.push_back( AlignTransformErrorExtended( newError.matrix(),
    //                                                                 (*iAlignError).rawId() ) );
    //++nAPE;
  }

  edm::LogInfo("Alignment") << "@SUB=GeometryAligner::removeGlobalTransform" 
                << "Finished to remove global transformation from " 
                << alignments->m_align.size() << " alignments with "
                << nAPE << " non-zero APE.";
}