ForwardDiskSectorBuilderFromDet Class Reference

#include <ForwardDiskSectorBuilderFromDet.h>

List of all members.

Public Member Functions
std::pair< DiskSectorBounds *, GlobalVector >	computeBounds (const std::vector< const GeomDet * > &dets) const
BoundDiskSector *	operator() (const std::vector< const GeomDet * > &dets) const
Private Member Functions
Surface::RotationType	computeRotation (const std::vector< const GeomDet * > &dets, Surface::PositionType pos) const
std::vector< GlobalPoint >	computeTrapezoidalCorners (const GeomDet *detu) const

---

Detailed Description

As it's name indicates, it's a builder of a BoundDiskSector from a collection of Dets. The disk sector has the minimal size fully containing all Dets.

Definition at line 18 of file ForwardDiskSectorBuilderFromDet.h.

---

Member Function Documentation

std::pair<DiskSectorBounds *, GlobalVector> ForwardDiskSectorBuilderFromDet::computeBounds

(

const std::vector< const GeomDet * > &

dets

)

const

Surface::RotationType ForwardDiskSectorBuilderFromDet::computeRotation	(	const std::vector< const GeomDet * > &	dets,
		Surface::PositionType	pos
	)		const [private]

vector< GlobalPoint > ForwardDiskSectorBuilderFromDet::computeTrapezoidalCorners

(

const GeomDet *

detu

)

const [private]

Definition at line 164 of file ForwardDiskSectorBuilderFromDet.cc.

References i, Parameters::parameters, and GeomDet::specificSurface().

                                                                                    {


  const Plane& plane( det->specificSurface());
  
  const TrapezoidalPlaneBounds* myBounds( static_cast<const TrapezoidalPlaneBounds*>(&(plane.bounds())));
  
  /*
  if (myBounds == 0) {
    string errmsg="ForwardDiskSectorBuilderFromDet: problems with dynamic cast to trapezoidal bounds for DetUnits";
    throw DetLayerException(errmsg);
    edm::LogError("TkDetLayers") << errmsg ;
  }
  */

  // array<const float, 4> 
  auto const & parameters = (*myBounds).parameters();

  if ( parameters[0] == 0 ) {
    edm::LogError("TkDetLayers") << "ForwardDiskSectorBuilder: something weird going on !" ;
    edm::LogError("TkDetLayers") << " Trapezoidal parameters of GeomDet (L2/L1/T/H): " ;
    for (int i = 0; i < 4; i++ )     edm::LogError("TkDetLayers") << "  " 
                                                                  << 2.*parameters[i] 
                                                                  << "\n";  
  }


  float hbotedge = parameters[0];
  float htopedge = parameters[1];
  float hapothem = parameters[3];
  float hthick   = parameters[2];

  vector<GlobalPoint> corners;

  corners.push_back( plane.toGlobal( LocalPoint( -htopedge, hapothem, hthick)));
  corners.push_back( plane.toGlobal( LocalPoint( -htopedge, hapothem, -hthick)));
  corners.push_back( plane.toGlobal( LocalPoint(  htopedge, hapothem, hthick)));
  corners.push_back( plane.toGlobal( LocalPoint(  htopedge, hapothem, -hthick)));
  corners.push_back( plane.toGlobal( LocalPoint(  hbotedge, -hapothem, hthick)));
  corners.push_back( plane.toGlobal( LocalPoint(  hbotedge, -hapothem, -hthick)));
  corners.push_back( plane.toGlobal( LocalPoint( -hbotedge, -hapothem, hthick)));
  corners.push_back( plane.toGlobal( LocalPoint( -hbotedge, -hapothem, -hthick)));

  return corners;
}

BoundDiskSector* ForwardDiskSectorBuilderFromDet::operator()

(

const std::vector< const GeomDet * > &

dets

)

const

Warning, remember to assign this pointer to a ReferenceCountingPointer! Should be changed to return a ReferenceCountingPointer<BoundDisk>