BeamHaloNavigationSchool Class Reference

Inheritance diagram for BeamHaloNavigationSchool:

Public Member Functions
	BeamHaloNavigationSchool (const GeometricSearchTracker *theTracker, const MagneticField *field)
	~BeamHaloNavigationSchool () override
Public Member Functions inherited from SimpleNavigationSchool
StateType	navigableLayers () override
	SimpleNavigationSchool ()
	SimpleNavigationSchool (const GeometricSearchTracker *tracker, const MagneticField *field)
	~SimpleNavigationSchool () override
Public Member Functions inherited from TkNavigationSchool
const MagneticField &	field () const
const GeometricSearchTracker &	searchTracker () const
	TkNavigationSchool (const GeometricSearchTracker *tracker, const MagneticField *field)
Public Member Functions inherited from NavigationSchool
const std::vector< const DetLayer * > &	allLayersInSystem () const
template<typename... Args>
std::vector< const DetLayer * >	compatibleLayers (const DetLayer &detLayer, Args &&... args) const
	Returns all layers compatible. More...
	NavigationSchool ()
template<typename... Args>
std::vector< const DetLayer * >	nextLayers (const DetLayer &detLayer, Args &&... args) const
virtual	~NavigationSchool ()

Protected Member Functions
void	addInward (const DetLayer *det, const FDLC &news)
void	addInward (const DetLayer *det, const ForwardDetLayer *newF)
void	establishInverseRelations () override
void	linkOtherEndLayers (SymmetricLayerFinder &symFinder)
FDLC	reachableFromHorizontal ()
Protected Member Functions inherited from SimpleNavigationSchool
virtual float	barrelLength ()
void	cleanMemory ()
virtual void	linkBarrelLayers (SymmetricLayerFinder &symFinder)
virtual void	linkForwardLayers (SymmetricLayerFinder &symFinder)
virtual void	linkNextBarrelLayer (ForwardDetLayer const *fl, BDLC &)
virtual void	linkNextForwardLayer (BarrelDetLayer const *, FDLC &)
virtual void	linkNextLargerLayer (BDLI, BDLI, BDLC &)
virtual void	linkNextLayerInGroup (FDLI fli, const FDLC &group, FDLC &reachableFL)
virtual void	linkOuterGroup (ForwardDetLayer const *fl, const FDLC &group, FDLC &reachableFL)
virtual void	linkWithinGroup (FDLI fl, const FDLC &group, FDLC &reachableFL)
virtual ConstFDLI	outerRadiusIncrease (FDLI fl, const FDLC &group)
virtual std::vector< FDLC >	splitForwardLayers ()
Protected Member Functions inherited from NavigationSchool
void	setState (const StateType &state)

Additional Inherited Members
Public Types inherited from NavigationSchool
typedef std::vector< NavigableLayer * >	StateType
Protected Types inherited from SimpleNavigationSchool
typedef std::vector< const BarrelDetLayer * >	BDLC
typedef BDLC::iterator	BDLI
typedef std::vector< SimpleBarrelNavigableLayer * >	BNLCType
typedef BDLC::const_iterator	ConstBDLI
typedef FDLC::const_iterator	ConstFDLI
typedef std::vector< const DetLayer * >	DLC
typedef DLC::iterator	DLI
typedef std::vector< const ForwardDetLayer * >	FDLC
typedef FDLC::iterator	FDLI
typedef std::vector< SimpleForwardNavigableLayer * >	FNLCType
Protected Attributes inherited from SimpleNavigationSchool
BDLC	theBarrelLayers
float	theBarrelLength = 0
BNLCType	theBarrelNLC
FDLC	theForwardLayers
FNLCType	theForwardNLC
FDLC	theLeftLayers
FDLC	theRightLayers
Protected Attributes inherited from TkNavigationSchool
const MagneticField *	theField
const GeometricSearchTracker *	theTracker
Protected Attributes inherited from NavigationSchool
const std::vector< const DetLayer * > *	theAllDetLayersInSystem
StateType	theAllNavigableLayer

Detailed Description

Concrete navigation school for the Tracker, connecting disks only for traversing tracks : moslty beam halo muon

Definition at line 9 of file BeamHaloNavigationSchool.cc.

Constructor & Destructor Documentation

BeamHaloNavigationSchool()

BeamHaloNavigationSchool::BeamHaloNavigationSchool	(	const GeometricSearchTracker *	theTracker,
		const MagneticField *	field
	)

Definition at line 36 of file BeamHaloNavigationSchool.cc.

References a, GeometricSearchTracker::allLayers(), cmsLHEtoEOSManager::l, LogDebug, and SimpleNavigableLayer::setCheckCrossingSide().

                                                                               {
  edm::LogInfo("BeamHaloNavigationSchool") << "*********Running BeamHaloNavigationSchool *********";
  theBarrelLength = 0;
  theField = field;
  theTracker = theInputTracker;
  theAllDetLayersInSystem = &theInputTracker->allLayers();
  theAllNavigableLayer.resize(theInputTracker->allLayers().size(), nullptr);

  // Get barrel layers
  /*sideways does not need barrels*/
  /*  vector<BarrelDetLayer*> blc = theTracker->barrelLayers(); 
      for ( vector<BarrelDetLayer*>::iterator i = blc.begin(); i != blc.end(); i++) {
      theBarrelLayers.push_back( (*i) );
      }*/

  // get forward layers
  for (auto const& l : theTracker->forwardLayers()) {
    theForwardLayers.push_back(l);
  }

  FDLI middle =
      find_if(theForwardLayers.begin(), theForwardLayers.end(), [](auto const* a) { return a->position().z() >= 0.0; });
  theLeftLayers = FDLC(theForwardLayers.begin(), middle);
  theRightLayers = FDLC(middle, theForwardLayers.end());

  SymmetricLayerFinder symFinder(theForwardLayers);

  // only work on positive Z side; negative by mirror symmetry later
  /*sideways does not need barrels*/
  //  linkBarrelLayers( symFinder);

  linkForwardLayers(symFinder);

  setState(navigableLayers());

  LogDebug("BeamHaloNavigationSchool") << "inverse relation";
  establishInverseRelations();

  //add the necessary inward links to end caps
  LogDebug("BeamHaloNavigationSchool") << "linkOtherEndLayer";

  linkOtherEndLayers(symFinder);

  //set checkCrossing = false to all layers
  SimpleNavigationSchool::StateType allLayers = navigableLayers();
  SimpleNavigationSchool::StateType::iterator layerIt = allLayers.begin();
  SimpleNavigationSchool::StateType::iterator layerIt_end = allLayers.end();
  for (; layerIt != layerIt_end; ++layerIt) {
    //convert to SimpleNavigableLayer
    SimpleNavigableLayer* snl = dynamic_cast<SimpleNavigableLayer*>(*layerIt);
    if (!snl) {
      edm::LogError("BeamHaloNavigationSchool") << "navigable layer not casting to simplenavigablelayer.";
      continue;
    }
    snl->setCheckCrossingSide(false);
  }
}

~BeamHaloNavigationSchool()

BeamHaloNavigationSchool::~BeamHaloNavigationSchool ( )

inlineoverride

Definition at line 12 of file BeamHaloNavigationSchool.cc.

References SimpleNavigationSchool::cleanMemory().

{ cleanMemory(); }

Member Function Documentation

addInward() [1/2]

void BeamHaloNavigationSchool::addInward ( const DetLayer *  det, const FDLC &  news  )

protected

Definition at line 185 of file BeamHaloNavigationSchool.cc.

References GeomDetEnumerators::barrel, LogDebug, NavigableLayer::nextLayers(), outsideIn, SimpleNavigableLayer::setInwardLinks(), and tier0::unique().

                                                                              {
  //get the navigable layer for this DetLayer
  SimpleNavigableLayer* navigableLayer = dynamic_cast<SimpleNavigableLayer*>(theAllNavigableLayer[(det)->seqNum()]);

  LogDebug("BeamHaloNavigationSchool") << "retreive the nextlayer outsidein";
  //get the inward reachable layers.
  DLC inwardsLayers(navigableLayer->nextLayers(outsideIn));

  LogDebug("BeamHaloNavigationSchool") << "split them barrel/forward";
  // split barrel and forward layers
  BDLC inwardsBarrel;
  FDLC inwardsForward;
  for (DLC::iterator dli = inwardsLayers.begin(); dli != inwardsLayers.end(); dli++) {
    if ((**dli).location() == GeomDetEnumerators::barrel)
      inwardsBarrel.push_back(static_cast<const BarrelDetLayer*>(*dli));
    else
      inwardsForward.push_back(static_cast<const ForwardDetLayer*>(*dli));
  }

  LogDebug("BeamHaloNavigationSchool") << "add the new ones";
  //add the other forward layers provided
  inwardsForward.insert(inwardsForward.end(), news.begin(), news.end());

  LogDebug("BeamHaloNavigationSchool") << "no duplicate please";
  FDLI new_end = unique(inwardsForward.begin(), inwardsForward.end());
  inwardsForward.erase(new_end, inwardsForward.end());

  LogDebug("BeamHaloNavigationSchool") << "set back the inward links (no duplicate)";
  //  set them back to the navigable layer
  navigableLayer->setInwardLinks(inwardsBarrel, inwardsForward, TkLayerLess(outsideIn, det));
}

addInward() [2/2]

void BeamHaloNavigationSchool::addInward ( const DetLayer *  det, const ForwardDetLayer *  newF  )

protected

Definition at line 147 of file BeamHaloNavigationSchool.cc.

References GeomDetEnumerators::barrel, LogDebug, edm_modernize_messagelogger::newF, NavigableLayer::nextLayers(), outsideIn, SimpleNavigableLayer::setInwardLinks(), jetUpdater_cfi::sort, and tier0::unique().

                                                                                         {
  //get the navigable layer for this DetLayer
  SimpleNavigableLayer* navigableLayer = dynamic_cast<SimpleNavigableLayer*>(theAllNavigableLayer[(det)->seqNum()]);

  LogDebug("BeamHaloNavigationSchool") << "retreive the nextlayer outsidein";
  //get the inward reachable layers.
  DLC inwardsLayers(navigableLayer->nextLayers(outsideIn));

  LogDebug("BeamHaloNavigationSchool") << "split them barrel/forward";
  // split barrel and forward layers
  BDLC inwardsBarrel;
  FDLC inwardsForward;
  for (DLC::iterator dli = inwardsLayers.begin(); dli != inwardsLayers.end(); dli++) {
    if ((**dli).location() == GeomDetEnumerators::barrel)
      inwardsBarrel.push_back(static_cast<const BarrelDetLayer*>(*dli));
    else
      inwardsForward.push_back(static_cast<const ForwardDetLayer*>(*dli));
  }
  LogDebug("BeamHaloNavigationSchool") << "add the new ones";
  //add the other forward layers provided
  inwardsForward.push_back(newF);

  LogDebug("BeamHaloNavigationSchool") << "no duplicate please";
  sort(inwardsForward.begin(), inwardsForward.end());  //if you don't sort, unique will not work
  //  FDLI read = inwardsForward.begin();
  //  std::stringstream showMe;
  //  for (;read !=inwardsForward.end();++read)  showMe<<" layer p: "<<*read<<"\n";
  //  LogDebug("BeamHaloNavigationSchool")<<"list of layer pointers: \n"<<showMe.str();

  FDLI new_end = unique(inwardsForward.begin(), inwardsForward.end());
  //  if (new_end!=inwardsForward.end()) LogDebug("BeamHaloNavigationSchool")<<"removing duplicates here";
  inwardsForward.erase(new_end, inwardsForward.end());

  LogDebug("BeamHaloNavigationSchool") << "set back the inward links (no duplicate)";
  //  set them back to the navigable layer
  navigableLayer->setInwardLinks(inwardsBarrel, inwardsForward, TkLayerLess(outsideIn, det));
}

establishInverseRelations()

void BeamHaloNavigationSchool::establishInverseRelations ( )

overrideprotectedvirtual

Reimplemented from SimpleNavigationSchool.

Definition at line 95 of file BeamHaloNavigationSchool.cc.

References mps_fire::i, insideOut, outsideIn, and SimpleNavigableLayer::setInwardLinks().

                                                         {
  // find for each layer which are the barrel and forward
  // layers that point to it
  typedef map<const DetLayer*, vector<BarrelDetLayer const*>, less<const DetLayer*> > BarrelMapType;
  typedef map<const DetLayer*, vector<ForwardDetLayer const*>, less<const DetLayer*> > ForwardMapType;

  BarrelMapType reachedBarrelLayersMap;
  ForwardMapType reachedForwardLayersMap;

  for (BDLI bli = theBarrelLayers.begin(); bli != theBarrelLayers.end(); bli++) {
    DLC reachedLC = nextLayers(**bli, insideOut);
    for (DLI i = reachedLC.begin(); i != reachedLC.end(); i++) {
      reachedBarrelLayersMap[*i].push_back(*bli);
    }
  }

  for (FDLI fli = theForwardLayers.begin(); fli != theForwardLayers.end(); fli++) {
    DLC reachedLC = nextLayers(**fli, insideOut);
    for (DLI i = reachedLC.begin(); i != reachedLC.end(); i++) {
      reachedForwardLayersMap[*i].push_back(*fli);
    }
  }

  for (auto const i : theTracker->allLayers()) {
    SimpleNavigableLayer* navigableLayer = dynamic_cast<SimpleNavigableLayer*>(theAllNavigableLayer[i->seqNum()]);
    if (!navigableLayer) {
      edm::LogInfo("BeamHaloNavigationSchool")
          << "a detlayer does not have a navigable layer, which is normal in beam halo navigation.";
    }
    if (navigableLayer) {
      navigableLayer->setInwardLinks(reachedBarrelLayersMap[i], reachedForwardLayersMap[i], TkLayerLess(outsideIn, i));
    }
  }
}

linkOtherEndLayers()

void BeamHaloNavigationSchool::linkOtherEndLayers ( SymmetricLayerFinder &  symFinder )

protected

Definition at line 130 of file BeamHaloNavigationSchool.cc.

References LogDebug, and SymmetricLayerFinder::mirror().

                                                                                 {
  LogDebug("BeamHaloNavigationSchool") << "reachable from horizontal";
  //generally, on the right side, what are the forward layers reachable from the horizontal
  FDLC reachableFL = reachableFromHorizontal();

  //even simpler navigation from end to end.
  //for each of them
  for (FDLI fl = reachableFL.begin(); fl != reachableFL.end(); fl++) {
    LogDebug("BeamHaloNavigationSchool") << "adding inward from right";
    //link it inward to the mirror reachable from horizontal
    addInward(static_cast<DetLayer const*>(*fl), symFinder.mirror(*fl));

    LogDebug("BeamHaloNavigationSchool") << "adding inward from mirror of right (left?)";
    addInward(static_cast<DetLayer const*>(symFinder.mirror(*fl)), *fl);
  }
}

reachableFromHorizontal()

BeamHaloNavigationSchool::FDLC BeamHaloNavigationSchool::reachableFromHorizontal ( )

protected

Definition at line 217 of file BeamHaloNavigationSchool.cc.

References mps_fire::i, isDetLessZ(), and jetUpdater_cfi::sort.

                                                                               {
  //determine which is the list of forward layers that can be reached from inside-out
  //at horizontal direction

  FDLC myRightLayers(theRightLayers);
  FDLI begin = myRightLayers.begin();
  FDLI end = myRightLayers.end();

  //sort along Z to be sure
  sort(begin, end, isDetLessZ);

  FDLC reachableFL;

  begin = myRightLayers.begin();
  end = myRightLayers.end();

  //the first one is always reachable
  reachableFL.push_back(*begin);
  FDLI current = begin;
  for (FDLI i = begin + 1; i != end; i++) {
    //is the previous layer NOT masking this one
    //inner radius smaller OR outer radius bigger
    if ((**i).specificSurface().innerRadius() < (**current).specificSurface().innerRadius() ||
        (**i).specificSurface().outerRadius() > (**current).specificSurface().outerRadius()) {  //not masked
      reachableFL.push_back(*i);
      current = i;
    }
  }
  return reachableFL;
}