ME0GeometryBuilderFromDDD Class Reference

#include <ME0GeometryBuilderFromDDD.h>

Public Member Functions
ME0Geometry *	build (const DDCompactView *cview, const MuonDDDConstants &muonConstants)
	ME0GeometryBuilderFromDDD ()
	~ME0GeometryBuilderFromDDD ()

Private Member Functions
ME0Geometry *	buildGeometry (DDFilteredView &fview, const MuonDDDConstants &muonConstants)

Private Attributes
std::map< ME0DetId, std::vector< ME0DetId > >	chids

Detailed Description

Build the ME0Geometry ftom the DDD description

Author

M. Maggi - INFN Bari

Definition at line 22 of file ME0GeometryBuilderFromDDD.h.

Constructor & Destructor Documentation

ME0GeometryBuilderFromDDD::ME0GeometryBuilderFromDDD

(

)

Implementation of the ME0 Geometry Builder from DDD

Author

Port of: MuDDDME0Builder (ORCA)

M. Maggi - INFN Bari

Definition at line 29 of file ME0GeometryBuilderFromDDD.cc.

{ }

ME0GeometryBuilderFromDDD::~ME0GeometryBuilderFromDDD

(

)

Definition at line 32 of file ME0GeometryBuilderFromDDD.cc.

{ }

Member Function Documentation

ME0Geometry * ME0GeometryBuilderFromDDD::build	(	const DDCompactView *	cview,
		const MuonDDDConstants &	muonConstants
	)

Definition at line 35 of file ME0GeometryBuilderFromDDD.cc.

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

Referenced by ME0GeometryESModule::produce().

{
  std::string attribute = "ReadOutName"; // could come from .orcarc
  std::string value     = "MuonME0Hits";    // could come from .orcarc
  DDValue val(attribute, value, 0.0);

  // Asking only for the MuonME0's
  DDSpecificsFilter filter;
  filter.setCriteria(val, // name & value of a variable 
             DDSpecificsFilter::matches,
             DDSpecificsFilter::AND, 
             true, // compare strings otherwise doubles
             true // use merged-specifics or simple-specifics
             );
  DDFilteredView fview(*cview);
  fview.addFilter(filter);

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

ME0Geometry * ME0GeometryBuilderFromDDD::buildGeometry ( DDFilteredView &  fview, const MuonDDDConstants &  muonConstants  )

private

Definition at line 55 of file ME0GeometryBuilderFromDDD.cc.

References ME0Geometry::add(), ME0NumberingScheme::baseNumberToUnitNumber(), DDFilteredView::firstChild(), DDFilteredView::geoHistory(), MuonDDDNumbering::geoHistoryToBaseNumber(), geometry, LogDebug, DDFilteredView::logicalPart(), GeomDetEnumerators::ME0, DDName::name(), mergeVDriftHistosByStation::name, DDBase< N, C >::name(), DDFilteredView::nextSibling(), DDSolid::parameters(), makeMuonMisalignmentScenario::rot, TkRotation< T >::rotateAxes(), DDFilteredView::rotation(), DDLogicalPart::solid(), AlCaHLTBitMon_QueryRunRegistry::string, DDFilteredView::translation(), x, detailsBasic3DVector::y, and detailsBasic3DVector::z.

Referenced by build().

{
  LogDebug("ME0GeometryBuilderFromDDD") <<"Building the geometry service";
  ME0Geometry* geometry = new ME0Geometry();

  LogDebug("ME0GeometryBuilderFromDDD") << "About to run through the ME0 structure\n" 
                    <<" First logical part "
                    <<fview.logicalPart().name().name();


  bool doSubDets = fview.firstChild();
 
  LogDebug("ME0GeometryBuilderFromDDD") << "doSubDets = " << doSubDets;

   LogDebug("ME0GeometryBuilderFromDDD") <<"start the loop"; 
  while (doSubDets)
  {
    // Get the Base Muon Number
    MuonDDDNumbering mdddnum(muonConstants);
    LogDebug("ME0GeometryBuilderFromDDD") <<"Getting the Muon base Number";
    MuonBaseNumber mbn = mdddnum.geoHistoryToBaseNumber(fview.geoHistory());

    LogDebug("ME0GeometryBuilderFromDDD") <<"Start the ME0 Numbering Schema";
    ME0NumberingScheme me0num(muonConstants);

    ME0DetId rollDetId(me0num.baseNumberToUnitNumber(mbn));
    LogDebug("ME0GeometryBuilderFromDDD") << "ME0 eta partition rawId: " << rollDetId.rawId() << ", detId: " << rollDetId;

    std::vector<double> dpar=fview.logicalPart().solid().parameters();
    std::string name = fview.logicalPart().name().name();
    DDTranslation tran = fview.translation();
    DDRotationMatrix rota = fview.rotation();
    Surface::PositionType pos(tran.x()/cm, tran.y()/cm, tran.z()/cm);
    // CLHEP way
    // Surface::RotationType rot(rota.xx(),rota.xy(),rota.xz(),
    //                    rota.yx(),rota.yy(),rota.yz(),
    //                rota.zx(),rota.zy(),rota.zz());

    //ROOT::Math way
    DD3Vector x, y, z;
    rota.GetComponents(x,y,z);
    // doesn't this just re-inverse???
    Surface::RotationType rot(float(x.X()), float(x.Y()), float(x.Z()),
                  float(y.X()), float(y.Y()), float(y.Z()),
                  float(z.X()), float(z.Y()), float(z.Z())); 
    
    float be = dpar[4]/cm; // half bottom edge
    float te = dpar[8]/cm; // half top edge
    float ap = dpar[0]/cm; // half apothem
    float ti = 0.4/cm;     // half thickness

    //  TrapezoidalPlaneBounds* 
    Bounds* bounds = new TrapezoidalPlaneBounds(be, te, ap, ti);

    std::vector<float> pars;
    pars.push_back(be); 
    pars.push_back(te); 
    pars.push_back(ap); 
    //    pars.push_back(nStrips);
    // pars.push_back(nPads);

    LogDebug("ME0GeometryBuilderFromDDD") 
      << "ME0 " << name << " par " << be << " " << te << " " << ap << " " << dpar[0];
    
    ME0EtaPartitionSpecs* e_p_specs = new ME0EtaPartitionSpecs(GeomDetEnumerators::ME0, name, pars);

      //Change of axes for the forward
    Basic3DVector<float> newX(1.,0.,0.);
    Basic3DVector<float> newY(0.,0.,1.);
    //      if (tran.z() > 0. )
    newY *= -1;
    Basic3DVector<float> newZ(0.,1.,0.);
    rot.rotateAxes (newX, newY, newZ);
    
    BoundPlane* bp = new BoundPlane(pos, rot, bounds);
    ReferenceCountingPointer<BoundPlane> surf(bp);
    ME0EtaPartition* mep = new ME0EtaPartition(rollDetId, surf, e_p_specs);

    // Add the eta partition to the geometry
    geometry->add(mep);
    // go to next layer
    doSubDets = fview.nextSibling(); 
  }
  return geometry;
}

Member Data Documentation

std::map<ME0DetId,std::vector<ME0DetId> > ME0GeometryBuilderFromDDD::chids

private

Definition at line 34 of file ME0GeometryBuilderFromDDD.h.