Phase2EndcapRingBuilder Class Reference

#include <Phase2EndcapRingBuilder.h>

Public Member Functions
Phase2EndcapRing *	build (const GeometricDet *aPhase2EndcapRing, const TrackerGeometry *theGeomDetGeometry, const bool useBrothers=true) __attribute__((cold))
	Phase2EndcapRingBuilder ()

Detailed Description

A concrete builder for Phase2EndcapRing

Definition at line 14 of file Phase2EndcapRingBuilder.h.

Constructor & Destructor Documentation

Phase2EndcapRingBuilder()

Phase2EndcapRingBuilder::Phase2EndcapRingBuilder ( )

inline

Definition at line 16 of file Phase2EndcapRingBuilder.h.

{};

Member Function Documentation

build()

Phase2EndcapRing * Phase2EndcapRingBuilder::build	(	const GeometricDet *	aPhase2EndcapRing,
		const TrackerGeometry *	theGeomDetGeometry,
		const bool	useBrothers = true
	)

Definition at line 8 of file Phase2EndcapRingBuilder.cc.

                                                                         {
  vector<const GeometricDet*> allGeometricDets = aPhase2EndcapRing->components();
  vector<const GeometricDet*> compGeometricDets;
  LogDebug("TkDetLayers") << "Phase2EndcapRingBuilder with #Modules: " << allGeometricDets.size() << std::endl;
 
  vector<const GeomDet*> frontGeomDets;
  vector<const GeomDet*> backGeomDets;
  double meanZ = 0;
 
  if (!useBrothers) {
    //---- to evaluate meanZ
    for (vector<const GeometricDet*>::const_iterator compGeometricDets = allGeometricDets.begin();
         compGeometricDets != allGeometricDets.end();
         compGeometricDets++) {
      LogTrace("TkDetLayers") << " compGeometricDets->positionBounds().perp() "
                              << (*compGeometricDets)->positionBounds().z() << std::endl;
      meanZ = meanZ + (*compGeometricDets)->positionBounds().z();
    }
    meanZ = meanZ / allGeometricDets.size();
    LogDebug("TkDetLayers") << " meanZ " << meanZ << std::endl;
 
    for (vector<const GeometricDet*>::const_iterator compGeometricDets = allGeometricDets.begin();
         compGeometricDets != allGeometricDets.end();
         compGeometricDets++) {
      const GeomDet* theGeomDet = theGeomDetGeometry->idToDet((*compGeometricDets)->geographicalId());
 
      if (fabs((*compGeometricDets)->positionBounds().z()) < fabs(meanZ))
        frontGeomDets.push_back(theGeomDet);
 
      if (fabs((*compGeometricDets)->positionBounds().z()) > fabs(meanZ))
        backGeomDets.push_back(theGeomDet);
 
      if (fabs((*compGeometricDets)->positionBounds().z()) == fabs(meanZ))
        throw DetLayerException("Not possible to assiciate this GeometricDet in front or back");
    }
 
    LogDebug("TkDetLayers") << "frontGeomDets.size(): " << frontGeomDets.size();
    LogDebug("TkDetLayers") << "backGeomDets.size(): " << backGeomDets.size();
 
    return new Phase2EndcapRing(frontGeomDets, backGeomDets);
 
  } else {
    vector<const GeomDet*> frontGeomDetBrothers;
    vector<const GeomDet*> backGeomDetBrothers;
    vector<const GeometricDet*> compGeometricDets;
 
    //---- to evaluate meanZ
    double meanZ = 0;
    double meanZBrothers = 0;
    for (vector<const GeometricDet*>::const_iterator it = allGeometricDets.begin(); it != allGeometricDets.end();
         it++) {
      compGeometricDets = (*it)->components();
      if (compGeometricDets.size() != 2) {
        throw DetLayerException("Phase2OTEndcapRing is considered as a stack but does not have two components");
      } else {
        LogTrace("TkDetLayers") << " compGeometricDets[0]->positionBounds().perp() "
                                << compGeometricDets[0]->positionBounds().z() << std::endl;
        LogTrace("TkDetLayers") << " compGeometricDets[1]->positionBounds().perp() "
                                << compGeometricDets[1]->positionBounds().z() << std::endl;
        meanZ = meanZ + compGeometricDets[0]->positionBounds().z();
        meanZBrothers = meanZBrothers + compGeometricDets[1]->positionBounds().z();
      }
    }
    meanZ = meanZ / allGeometricDets.size();
    meanZBrothers = meanZBrothers / allGeometricDets.size();
    LogDebug("TkDetLayers") << " meanZ Lower " << meanZ << std::endl;
    LogDebug("TkDetLayers") << " meanZ Upper " << meanZBrothers << std::endl;
 
    for (vector<const GeometricDet*>::const_iterator it = allGeometricDets.begin(); it != allGeometricDets.end();
         it++) {
      compGeometricDets = (*it)->components();
      const GeomDet* theGeomDet = theGeomDetGeometry->idToDet(compGeometricDets[0]->geographicalId());
 
      if (fabs(compGeometricDets[0]->positionBounds().z()) < fabs(meanZ))
        frontGeomDets.push_back(theGeomDet);
 
      if (fabs(compGeometricDets[0]->positionBounds().z()) > fabs(meanZ))
        backGeomDets.push_back(theGeomDet);
 
      const GeomDet* theGeomDetBrother = theGeomDetGeometry->idToDet(compGeometricDets[1]->geographicalId());
 
      if (fabs(compGeometricDets[1]->positionBounds().z()) < fabs(meanZBrothers))
        frontGeomDetBrothers.push_back(theGeomDetBrother);
 
      if (fabs(compGeometricDets[1]->positionBounds().z()) > fabs(meanZBrothers))
        backGeomDetBrothers.push_back(theGeomDetBrother);
 
      if (fabs(compGeometricDets[0]->positionBounds().z()) == fabs(meanZ) ||
          fabs(compGeometricDets[1]->positionBounds().z()) == fabs(meanZBrothers))
        throw DetLayerException("Not possible to assiciate components of this GeometricDet in front or back");
    }
 
    LogDebug("TkDetLayers") << "frontGeomDets.size(): " << frontGeomDets.size();
    LogDebug("TkDetLayers") << "backGeomDets.size(): " << backGeomDets.size();
    LogDebug("TkDetLayers") << "frontGeomDetsBro.size(): " << frontGeomDetBrothers.size();
    LogDebug("TkDetLayers") << "backGeomDetsBro.size(): " << backGeomDetBrothers.size();
 
    return new Phase2EndcapRing(frontGeomDets, backGeomDets, frontGeomDetBrothers, backGeomDetBrothers);
  }
  return new Phase2EndcapRing(frontGeomDets, backGeomDets);
}

References GeometricDet::components(), TrackerGeometry::idToDet(), LogDebug, and LogTrace.

Referenced by Phase2EndcapLayerBuilder::build(), and Phase2OTBarrelLayerBuilder::build().