GEMGeometryParsFromDD Class Reference

#include <GEMGeometryParsFromDD.h>

Public Member Functions
void	build (const DDCompactView *cview, const MuonGeometryConstants &muonConstants, RecoIdealGeometry &rgeo)
	GEMGeometryParsFromDD ()
	~GEMGeometryParsFromDD ()

Private Member Functions
void	buildChamber (DDFilteredView &fv, GEMDetId detId, RecoIdealGeometry &rgeo)
void	buildEtaPartition (DDFilteredView &fv, GEMDetId detId, RecoIdealGeometry &rgeo)
void	buildGeometry (DDFilteredView &fview, const MuonGeometryConstants &muonConstants, RecoIdealGeometry &rgeo)
void	buildSuperChamber (DDFilteredView &fv, GEMDetId detId, RecoIdealGeometry &rgeo)
std::vector< double >	getRotation (DDFilteredView &fv)
std::vector< double >	getTranslation (DDFilteredView &fv)

Detailed Description

Build the GEMGeometry ftom the DDD description

Author

M. Maggi - INFN Bari

Definition at line 22 of file GEMGeometryParsFromDD.h.

Constructor & Destructor Documentation

GEMGeometryParsFromDD()

GEMGeometryParsFromDD::GEMGeometryParsFromDD

(

)

Implementation of the GEM Geometry Builder from DDD

Author

M. Maggi - INFN Bari

Definition at line 24 of file GEMGeometryParsFromDD.cc.

{}

~GEMGeometryParsFromDD()

GEMGeometryParsFromDD::~GEMGeometryParsFromDD

(

)

Definition at line 26 of file GEMGeometryParsFromDD.cc.

{}

Member Function Documentation

build()

void GEMGeometryParsFromDD::build	(	const DDCompactView *	cview,
		const MuonGeometryConstants &	muonConstants,
		RecoIdealGeometry &	rgeo
	)

Definition at line 28 of file GEMGeometryParsFromDD.cc.

                                                           {
  std::string attribute = "MuStructure";
  std::string value = "MuonEndCapGEM";
 
  // Asking only for the MuonGEM's
  DDSpecificsMatchesValueFilter filter{DDValue(attribute, value, 0.0)};
  DDFilteredView fv(*cview, filter);
 
  this->buildGeometry(fv, muonConstants, rgeo);
}

References buildGeometry(), ALCARECOTkAlBeamHalo_cff::filter, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by GEMRecoIdealDBLoader::beginRun().

buildChamber()

void GEMGeometryParsFromDD::buildChamber ( DDFilteredView &  fv, GEMDetId  detId, RecoIdealGeometry &  rgeo  )

private

Definition at line 119 of file GEMGeometryParsFromDD.cc.

                                                                                                    {
  LogDebug("GEMGeometryParsFromDD") << "buildChamber " << fv.logicalPart().name().name() << " " << detId << std::endl;
 
  DDBooleanSolid solid = (DDBooleanSolid)(fv.logicalPart().solid());
  std::vector<double> dpar = solid.solidA().parameters();
 
  double dy = dpar[0];   //length is along local Y
  double dz = dpar[3];   // thickness is long local Z
  double dx1 = dpar[4];  // bottom width is along local X
  double dx2 = dpar[8];  // top width is along local X
  dpar = solid.solidB().parameters();
  dz += dpar[3];  // chamber thickness
 
  GEMDetId gemid = detId.chamberId();
 
  std::vector<double> pars{dx1, dx2, dy, dz};
  std::vector<double> vtra = getTranslation(fv);
  std::vector<double> vrot = getRotation(fv);
 
  LogDebug("GEMGeometryParsFromDD") << "dimension dx1 " << dx1 << ", dx2 " << dx2 << ", dy " << dy << ", dz " << dz;
  rgeo.insert(gemid.rawId(), vtra, vrot, pars, {fv.logicalPart().name().name()});
}

References GEMDetId::chamberId(), PVValHelper::dy, PVValHelper::dz, getRotation(), getTranslation(), RecoIdealGeometry::insert(), LogDebug, DDFilteredView::logicalPart(), DDName::name(), DDBase< N, C >::name(), DDSolid::parameters(), DetId::rawId(), DDLogicalPart::solid(), DDBooleanSolid::solidA(), and DDBooleanSolid::solidB().

Referenced by buildGeometry().

buildEtaPartition()

void GEMGeometryParsFromDD::buildEtaPartition ( DDFilteredView &  fv, GEMDetId  detId, RecoIdealGeometry &  rgeo  )

private

Definition at line 142 of file GEMGeometryParsFromDD.cc.

                                                                                                         {
  LogDebug("GEMGeometryParsFromDD") << "buildEtaPartition " << fv.logicalPart().name().name() << " " << detId
                                    << std::endl;
 
  // EtaPartition specific parameter (nstrips and npads)
  DDValue numbOfStrips("nStrips");
  DDValue numbOfPads("nPads");
  DDValue delPhi("dPhi");
  const std::vector<const DDsvalues_type*>& specs = fv.specifics();
  double nStrips = 0., nPads = 0., dPhi = 0.;
  for (auto const& is : specs) {
    if (DDfetch(is, numbOfStrips))
      nStrips = numbOfStrips.doubles()[0];
    if (DDfetch(is, numbOfPads))
      nPads = numbOfPads.doubles()[0];
    if (DDfetch(is, delPhi))
      dPhi = delPhi.doubles()[0];
  }
  LogDebug("GEMGeometryParsFromDD") << ((nStrips == 0.) ? ("No nStrips found!!")
                                                        : ("Number of strips: " + std::to_string(nStrips)));
  LogDebug("GEMGeometryParsFromDD") << ((nPads == 0.) ? ("No nPads found!!")
                                                      : ("Number of pads: " + std::to_string(nPads)));
 
  // EtaPartition specific parameter (size)
  std::vector<double> dpar = fv.logicalPart().solid().parameters();
 
  double dy = dpar[0];   //length is along local Y
  double dz = dpar[3];   //0.4;// thickness is long local Z
  double dx1 = dpar[4];  // bottom width is along local X
  double dx2 = dpar[8];  // top width is along local X
 
  std::vector<double> pars{dx1, dx2, dy, dz, nStrips, nPads, dPhi};
  std::vector<double> vtra = getTranslation(fv);
  std::vector<double> vrot = getRotation(fv);
 
  LogDebug("GEMGeometryParsFromDD") << "dimension dx1 " << dx1 << ", dx2 " << dx2 << ", dy " << dy << ", dz " << dz;
  rgeo.insert(detId.rawId(), vtra, vrot, pars, {fv.logicalPart().name().name()});
}

References DDfetch(), delPhi(), DDValue::doubles(), HLT_FULL_cff::dPhi, PVValHelper::dy, PVValHelper::dz, getRotation(), getTranslation(), RecoIdealGeometry::insert(), LogDebug, DDFilteredView::logicalPart(), DDName::name(), DDBase< N, C >::name(), me0TriggerPseudoDigis_cff::nStrips, DDSolid::parameters(), DetId::rawId(), DDLogicalPart::solid(), DDFilteredView::specifics(), and HistogramManager_cfi::specs.

Referenced by buildGeometry().

buildGeometry()

void GEMGeometryParsFromDD::buildGeometry ( DDFilteredView &  fview, const MuonGeometryConstants &  muonConstants, RecoIdealGeometry &  rgeo  )

private

Definition at line 41 of file GEMGeometryParsFromDD.cc.

                                                                   {
  LogDebug("GEMGeometryParsFromDD") << "Building the geometry service";
  LogDebug("GEMGeometryParsFromDD") << "About to run through the GEM structure\n"
                                    << " First logical part " << fv.logicalPart().name().name();
 
  MuonGeometryNumbering muonDDDNumbering(muonConstants);
  GEMNumberingScheme gemNumbering(muonConstants);
 
  bool doSuper = fv.firstChild();
  LogDebug("GEMGeometryParsFromDD") << "doSuperChamber = " << doSuper;
  // loop over superchambers
  while (doSuper) {
    // getting chamber id from eta partitions
    fv.firstChild();
    fv.firstChild();
    GEMDetId detIdCh =
        GEMDetId(gemNumbering.baseNumberToUnitNumber(muonDDDNumbering.geoHistoryToBaseNumber(fv.geoHistory())));
    // back to chambers
    fv.parent();
    fv.parent();
 
    // currently there is no superchamber in the geometry
    // only 2 chambers are present separated by a gap.
    // making superchamber out of the first chamber layer including the gap between chambers
    if (detIdCh.layer() == 1) {  // only make superChambers when doing layer 1
      buildSuperChamber(fv, detIdCh, rgeo);
    }
    buildChamber(fv, detIdCh, rgeo);
 
    // loop over chambers
    // only 1 chamber
    bool doChambers = fv.firstChild();
    while (doChambers) {
      // loop over GEMEtaPartitions
      bool doEtaPart = fv.firstChild();
      while (doEtaPart) {
        GEMDetId detId =
            GEMDetId(gemNumbering.baseNumberToUnitNumber(muonDDDNumbering.geoHistoryToBaseNumber(fv.geoHistory())));
        buildEtaPartition(fv, detId, rgeo);
 
        doEtaPart = fv.nextSibling();
      }
      fv.parent();
      doChambers = fv.nextSibling();
    }
    fv.parent();
    doSuper = fv.nextSibling();
  }
}

References GEMNumberingScheme::baseNumberToUnitNumber(), buildChamber(), buildEtaPartition(), buildSuperChamber(), DDFilteredView::firstChild(), DDFilteredView::geoHistory(), MuonGeometryNumbering::geoHistoryToBaseNumber(), GEMDetId::layer(), LogDebug, DDFilteredView::logicalPart(), DDName::name(), DDBase< N, C >::name(), DDFilteredView::nextSibling(), and DDFilteredView::parent().

Referenced by build().

buildSuperChamber()

void GEMGeometryParsFromDD::buildSuperChamber ( DDFilteredView &  fv, GEMDetId  detId, RecoIdealGeometry &  rgeo  )

private

Definition at line 93 of file GEMGeometryParsFromDD.cc.

                                                                                                         {
  LogDebug("GEMGeometryParsFromDD") << "buildSuperChamber " << fv.logicalPart().name().name() << " " << detId
                                    << std::endl;
 
  DDBooleanSolid solid = (DDBooleanSolid)(fv.logicalPart().solid());
  std::vector<double> dpar = solid.solidA().parameters();
 
  double dy = dpar[0];   //length is along local Y
  double dz = dpar[3];   // thickness is long local Z
  double dx1 = dpar[4];  // bottom width is along local X
  double dx2 = dpar[8];  // top width is along local X
  dpar = solid.solidB().parameters();
  dz += dpar[3];  // chamber thickness
  dz *= 2;        // 2 chambers in superchamber
  dz += 2.105;    // gap between chambers
 
  GEMDetId gemid = detId.superChamberId();
 
  std::vector<double> pars{dx1, dx2, dy, dz};
  std::vector<double> vtra = getTranslation(fv);
  std::vector<double> vrot = getRotation(fv);
 
  LogDebug("GEMGeometryParsFromDD") << "dimension dx1 " << dx1 << ", dx2 " << dx2 << ", dy " << dy << ", dz " << dz;
  rgeo.insert(gemid.rawId(), vtra, vrot, pars, {fv.logicalPart().name().name()});
}

References PVValHelper::dy, PVValHelper::dz, getRotation(), getTranslation(), RecoIdealGeometry::insert(), LogDebug, DDFilteredView::logicalPart(), DDName::name(), DDBase< N, C >::name(), DDSolid::parameters(), DetId::rawId(), DDLogicalPart::solid(), DDBooleanSolid::solidA(), DDBooleanSolid::solidB(), and GEMDetId::superChamberId().

Referenced by buildGeometry().

getRotation()

std::vector< double > GEMGeometryParsFromDD::getRotation ( DDFilteredView &  fv )

private

Definition at line 186 of file GEMGeometryParsFromDD.cc.

                                                                       {
  const DDRotationMatrix& rota = fv.rotation();  //.Inverse();
  DD3Vector x, y, z;
  rota.GetComponents(x, y, z);
  return {x.X(), x.Y(), x.Z(), y.X(), y.Y(), y.Z(), z.X(), z.Y(), z.Z()};
}

References DDFilteredView::rotation(), x, y, and z.

Referenced by buildChamber(), buildEtaPartition(), and buildSuperChamber().

getTranslation()

std::vector< double > GEMGeometryParsFromDD::getTranslation ( DDFilteredView &  fv )

private

Definition at line 181 of file GEMGeometryParsFromDD.cc.

                                                                          {
  const DDTranslation& tran = fv.translation();
  return {tran.x(), tran.y(), tran.z()};
}

References DDFilteredView::translation().

Referenced by buildChamber(), buildEtaPartition(), and buildSuperChamber().