GEMGeometryParsFromDD Class Reference

#include <GEMGeometryParsFromDD.h>

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

Private Member Functions
void	buildGeometry (DDFilteredView &fview, const MuonDDDConstants &muonConstants, RecoIdealGeometry &rgeo)

Detailed Description

Build the GEMGeometry ftom the DDD description

Author

M. Maggi - INFN Bari

Definition at line 19 of file GEMGeometryParsFromDD.h.

Constructor & Destructor Documentation

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

(

)

Definition at line 27 of file GEMGeometryParsFromDD.cc.

{ }

Member Function Documentation

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

Definition at line 31 of file GEMGeometryParsFromDD.cc.

References DDFilteredView::addFilter(), AND, buildGeometry(), alcazmumu_cfi::filter, matches, DDSpecificsFilter::setCriteria(), AlCaHLTBitMon_QueryRunRegistry::string, and relativeConstraints::value.

Referenced by GEMRecoIdealDBLoader::beginRun().

{
  std::string attribute = "ReadOutName"; // could come from .orcarc
  std::string value     = "MuonGEMHits";    // could come from .orcarc
  DDValue val(attribute, value, 0.0);

  // Asking only for the MuonGEM's
  DDSpecificsFilter filter;
  filter.setCriteria(val, // name & value of a variable 
             DDCompOp::matches,
             DDLogOp::AND, 
             true, // compare strings otherwise doubles
             true // use merged-specifics or simple-specifics
             );
  DDFilteredView fview(*cview);
  fview.addFilter(filter);

  this->buildGeometry(fview, muonConstants, rgeo);
}

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

private

Definition at line 53 of file GEMGeometryParsFromDD.cc.

References GEMNumberingScheme::baseNumberToUnitNumber(), DDfetch(), DDValue::doubles(), DDFilteredView::firstChild(), DDFilteredView::geoHistory(), MuonDDDNumbering::geoHistoryToBaseNumber(), RecoIdealGeometry::insert(), LogDebug, DDFilteredView::logicalPart(), DDName::name(), mergeVDriftHistosByStation::name, DDBase< N, C >::name(), DDFilteredView::nextSibling(), DDSolid::parameters(), DetId::rawId(), DDFilteredView::rotation(), DDLogicalPart::solid(), DDFilteredView::specifics(), AlCaHLTBitMon_QueryRunRegistry::string, DDFilteredView::translation(), x, y, and z.

Referenced by build().

{

  bool doSubDets = fview.firstChild();

  while (doSubDets){

    // Get the Base Muon Number
    MuonDDDNumbering mdddnum(muonConstants);
    MuonBaseNumber   mbn = mdddnum.geoHistoryToBaseNumber(fview.geoHistory());

    // Get the The GEM det Id 
    GEMNumberingScheme gemnum(muonConstants);
    int detid = 0;

    detid = gemnum.baseNumberToUnitNumber(mbn);
    GEMDetId gemid(detid);

    DDValue numbOfStrips("nStrips");
    DDValue numbOfPads("nPads");

    std::vector<const DDsvalues_type* > specs(fview.specifics());
    std::vector<const DDsvalues_type* >::iterator is = specs.begin();
    double nStrips = 0., nPads = 0.;
    for (;is!=specs.end(); is++)
    {
      if (DDfetch( *is, numbOfStrips)) nStrips = numbOfStrips.doubles()[0];
      if (DDfetch( *is, numbOfPads))   nPads = numbOfPads.doubles()[0];
    }
    LogDebug("GEMGeometryBuilderFromDDD") << ((nStrips == 0. ) ? ("No nStrips found!!") : (""));
    LogDebug("GEMGeometryBuilderFromDDD") << ((nPads == 0. ) ? ("No nPads found!!") : (""));
    //std::cout <<"# strips, pads: "<< nStrips<<", "<<nPads<<std::endl;

    std::vector<double> dpar = fview.logicalPart().solid().parameters();

    std::vector<std::string> strpars;
    std::string name = fview.logicalPart().name().name();
    strpars.push_back(name);
    DDTranslation tran = fview.translation();

    DDRotationMatrix rota = fview.rotation();//.Inverse();
    DD3Vector x, y, z;
    rota.GetComponents(x,y,z);
    std::vector<double> pars;    
    pars.push_back(dpar[4]); //b/2;
    pars.push_back(dpar[8]); //B/2;
    pars.push_back(dpar[0]); //h/2;
    pars.push_back(0.4); // XXX: what is that? hardcoded thickness?
    pars.push_back(nStrips);
    pars.push_back(nPads);
    
    std::vector<double> vtra(3);
    std::vector<double> vrot(9);
    vtra[0]=(float) 1.0 * (tran.x());
    vtra[1]=(float) 1.0 * (tran.y());
    vtra[2]=(float) 1.0 * (tran.z());
    vrot[0]=(float) 1.0 * x.X();
    vrot[1]=(float) 1.0 * x.Y();
    vrot[2]=(float) 1.0 * x.Z();
    vrot[3]=(float) 1.0 * y.X();
    vrot[4]=(float) 1.0 * y.Y();
    vrot[5]=(float) 1.0 * y.Z();
    vrot[6]=(float) 1.0 * z.X();
    vrot[7]=(float) 1.0 * z.Y();
    vrot[8]=(float) 1.0 * z.Z();
    rgeo.insert(gemid.rawId(), vtra, vrot, pars, strpars);
    doSubDets = fview.nextSibling(); // go to next layer
  }
  
}