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#include <CaloDetIdAssociator.h>
Public Member Functions | |
| CaloDetIdAssociator () | |
| CaloDetIdAssociator (const int nPhi, const int nEta, const double etaBinSize) | |
| CaloDetIdAssociator (const edm::ParameterSet &pSet) | |
| virtual const GeomDet * | getGeomDet (const DetId &id) const |
| virtual const char * | name () const |
| virtual void | setGeometry (const DetIdAssociatorRecord &iRecord) |
| virtual void | setGeometry (const CaloGeometry *ptr) |
Protected Member Functions | |
| virtual void | check_setup () const |
| virtual bool | crossedElement (const GlobalPoint &, const GlobalPoint &, const DetId &id, const double tolerance=-1, const SteppingHelixStateInfo *=0) const |
| virtual std::pair < const_iterator, const_iterator > | getDetIdPoints (const DetId &id) const |
| virtual GlobalPoint | getPosition (const DetId &id) const |
| virtual const std::vector < DetId > & | getValidDetIds (unsigned int subDetectorIndex) const |
| virtual bool | insideElement (const GlobalPoint &point, const DetId &id) const |
Protected Attributes | |
| std::vector< GlobalPoint > | dummy_ |
| const CaloGeometry * | geometry_ |
Definition at line 33 of file CaloDetIdAssociator.h.
| CaloDetIdAssociator::CaloDetIdAssociator | ( | ) | [inline] |
Definition at line 35 of file CaloDetIdAssociator.h.
:DetIdAssociator(72, 70 ,0.087),geometry_(0){};
| CaloDetIdAssociator::CaloDetIdAssociator | ( | const int | nPhi, |
| const int | nEta, | ||
| const double | etaBinSize | ||
| ) | [inline] |
Definition at line 36 of file CaloDetIdAssociator.h.
:DetIdAssociator(nPhi, nEta, etaBinSize),geometry_(0){};
| CaloDetIdAssociator::CaloDetIdAssociator | ( | const edm::ParameterSet & | pSet | ) | [inline] |
Definition at line 39 of file CaloDetIdAssociator.h.
:DetIdAssociator(pSet.getParameter<int>("nPhi"),pSet.getParameter<int>("nEta"),pSet.getParameter<double>("etaBinSize")),geometry_(0){};
| void CaloDetIdAssociator::check_setup | ( | ) | const [protected, virtual] |
Reimplemented from DetIdAssociator.
Definition at line 194 of file CaloDetIdAssociator.cc.
References Exception, and geometry_.
{
DetIdAssociator::check_setup();
if (geometry_==0) throw cms::Exception("CaloGeometry is not set");
}
| bool CaloDetIdAssociator::crossedElement | ( | const GlobalPoint & | point1, |
| const GlobalPoint & | point2, | ||
| const DetId & | id, | ||
| const double | tolerance = -1, |
||
| const SteppingHelixStateInfo * | initialState = 0 |
||
| ) | const [protected, virtual] |
Reimplemented from DetIdAssociator.
Definition at line 3 of file CaloDetIdAssociator.cc.
References newFWLiteAna::build, Exception, getDetIdPoints(), SteppingHelixStateInfo::getStateOnSurface(), h, TrajectoryStateOnSurface::hasError(), i, TrajectoryStateOnSurface::isValid(), j, TrajectoryStateOnSurface::localError(), M_PI, mag(), max(), AlCaHLTBitMon_ParallelJobs::p, p1, p2, PV3DBase< T, PVType, FrameType >::phi(), phi, LocalTrajectoryError::positionError(), funct::pow(), dttmaxenums::r32, LocalError::rotate(), LocalError::scale(), mathSSE::sqrt(), swap(), csvLumiCalc::unit, PV3DBase< T, PVType, FrameType >::x(), LocalError::xx(), LocalError::xy(), xy(), PV3DBase< T, PVType, FrameType >::y(), LocalError::yy(), and PV3DBase< T, PVType, FrameType >::z().
{
const std::pair<const_iterator,const_iterator>& points = getDetIdPoints(id);
// fast check
bool xLess(false), xIn(false), xMore(false);
bool yLess(false), yIn(false), yMore(false);
bool zLess(false), zIn(false), zMore(false);
double xMin(point1.x()), xMax(point2.x());
double yMin(point1.y()), yMax(point2.y());
double zMin(point1.z()), zMax(point2.z());
if ( xMin>xMax ) std::swap(xMin,xMax);
if ( yMin>yMax ) std::swap(yMin,yMax);
if ( zMin>zMax ) std::swap(zMin,zMax);
for ( std::vector<GlobalPoint>::const_iterator it = points.first;
it != points.second; ++it ){
if ( it->x()<xMin ){
xLess = true;
} else {
if ( it->x()>xMax )
xMore = true;
else
xIn = true;
}
if ( it->y()<yMin ){
yLess = true;
} else {
if ( it->y()>yMax )
yMore = true;
else
yIn = true;
}
if ( it->z()<zMin ){
zLess = true;
} else {
if ( it->z()>zMax )
zMore = true;
else
zIn = true;
}
}
if ( ( (xLess && !xIn && !xMore) || (!xLess && !xIn && xMore) ) ||
( (yLess && !yIn && !yMore) || (!yLess && !yIn && yMore) ) ||
( (zLess && !zIn && !zMore) || (!zLess && !zIn && zMore) ) ) return false;
// Define plane normal to the trajectory direction at the first point
GlobalVector vector = (point2-point1).unit();
float r21 = 0;
float r22 = vector.z()/sqrt(1-pow(vector.x(),2));
float r23 = -vector.y()/sqrt(1-pow(vector.x(),2));
float r31 = vector.x();
float r32 = vector.y();
float r33 = vector.z();
float r11 = r22*r33-r23*r32;
float r12 = r23*r31;
float r13 = -r22*r31;
Surface::RotationType rotation(r11, r12, r13,
r21, r22, r23,
r31, r32, r33);
Plane::PlanePointer plane = Plane::build(point1, rotation);
double absoluteTolerance = -1;
if ( toleranceInSigmas>0 && initialState ){
TrajectoryStateOnSurface tsos = initialState->getStateOnSurface(*plane);
if ( tsos.isValid() and tsos.hasError()) {
LocalError localErr = tsos.localError().positionError();
localErr.scale(toleranceInSigmas);
float xx = localErr.xx();
float xy = localErr.xy();
float yy = localErr.yy();
float denom = yy - xx;
float phi = 0., phi_temp=0.;
if(xy == 0 && denom==0) phi = M_PI_4;
else phi = 0.5 * atan2(2.*xy,denom); // angle of MAJOR axis
phi_temp = phi;
// Unrotate the error ellipse to get the semimajor and minor axes. Then place points on
// the endpoints of semiminor an seminajor axes on original(rotated) error ellipse.
LocalError rotErr = localErr.rotate(-phi); // xy covariance of rotErr should be zero
float semi1 = sqrt(rotErr.xx());
float semi2 = sqrt(rotErr.yy());
absoluteTolerance = std::max(semi1,semi2);
}
}
// distance between the points.
double trajectorySegmentLength = (point2-point1).mag();
// we need to find the angle that covers all points.
// if it's bigger than 180 degree, we are inside
// otherwise we are outside, i.e. the volume is not crossed
bool allBehind = true;
bool allTooFar = true;
std::vector<GlobalPoint>::const_iterator p = points.first;
if ( p == points.second ) {
edm::LogWarning("TrackAssociator") << "calo geometry for element " << id.rawId() << "is empty. Ignored";
return false;
}
LocalPoint localPoint = plane->toLocal(*p);
double minPhi = localPoint.phi();
double maxPhi = localPoint.phi();
if ( localPoint.z() < 0 )
allTooFar = false;
else {
allBehind = false;
if ( localPoint.z() < trajectorySegmentLength ) allTooFar = false;
}
++p;
for (; p!=points.second; ++p){
localPoint = plane->toLocal(*p);
double localPhi = localPoint.phi();
if ( localPoint.z() < 0 )
allTooFar = false;
else {
allBehind = false;
if ( localPoint.z() < trajectorySegmentLength ) allTooFar = false;
}
if ( localPhi >= minPhi && localPhi <= maxPhi ) continue;
if ( localPhi+2*M_PI >= minPhi && localPhi+2*M_PI <= maxPhi ) continue;
if ( localPhi-2*M_PI >= minPhi && localPhi-2*M_PI <= maxPhi ) continue;
// find the closest limit
if ( localPhi > maxPhi ){
double delta1 = fabs(localPhi-maxPhi);
double delta2 = fabs(localPhi-2*M_PI-minPhi);
if ( delta1 < delta2 )
maxPhi = localPhi;
else
minPhi = localPhi-2*M_PI;
continue;
}
if ( localPhi < minPhi ){
double delta1 = fabs(localPhi-minPhi);
double delta2 = fabs(localPhi+2*M_PI-maxPhi);
if ( delta1 < delta2 )
minPhi = localPhi;
else
maxPhi = localPhi+2*M_PI;
continue;
}
cms::Exception("FatalError") << "Algorithm logic error - this should never happen. Problems with trajectory-volume matching.";
}
if ( allBehind ) return false;
if ( allTooFar ) return false;
if ( fabs(maxPhi-minPhi)>M_PI ) return true;
// now if the tolerance is positive, check how far we are
// from the closest line segment
if (absoluteTolerance < 0 ) return false;
double distanceToClosestLineSegment = 1e9;
std::vector<GlobalPoint>::const_iterator i,j;
for ( i = points.first; i != points.second; ++i )
for ( j = i+1; j != points.second; ++j )
{
LocalPoint p1(plane->toLocal(*i));
LocalPoint p2(plane->toLocal(*j));
// now we deal with high school level math to get
// the triangle paramaters
double side1squared = p1.perp2();
double side2squared = p2.perp2();
double side3squared = (p2.x()-p1.x())*(p2.x()-p1.x()) + (p2.y()-p1.y())*(p2.y()-p1.y());
double area = fabs(p1.x()*p2.y()-p2.x()*p1.y())/2;
// all triangle angles must be smaller than 90 degree
// otherwise the projection is out of the line segment
if ( side1squared + side2squared > side3squared &&
side2squared + side3squared > side1squared &&
side1squared + side3squared > side1squared )
{
double h(2*area/sqrt(side3squared));
if ( h < distanceToClosestLineSegment ) distanceToClosestLineSegment = h;
}
else
{
if ( sqrt(side1squared) < distanceToClosestLineSegment ) distanceToClosestLineSegment = sqrt(side1squared);
if ( sqrt(side2squared) < distanceToClosestLineSegment ) distanceToClosestLineSegment = sqrt(side2squared);
}
}
if ( distanceToClosestLineSegment < absoluteTolerance ) return true;
return false;
}
| std::pair< DetIdAssociator::const_iterator, DetIdAssociator::const_iterator > CaloDetIdAssociator::getDetIdPoints | ( | const DetId & | id | ) | const [protected, virtual] |
Implements DetIdAssociator.
Definition at line 211 of file CaloDetIdAssociator.cc.
References dummy_, geometry_, CaloCellGeometry::getCorners(), CaloSubdetectorGeometry::getGeometry(), CaloGeometry::getSubdetectorGeometry(), and LogDebug.
Referenced by crossedElement().
{
const CaloSubdetectorGeometry* subDetGeom = geometry_->getSubdetectorGeometry(id);
if(! subDetGeom){
LogDebug("TrackAssociator") << "Cannot find sub-detector geometry for " << id.rawId() <<"\n";
return std::pair<const_iterator,const_iterator>(dummy_.end(),dummy_.end());
}
const CaloCellGeometry* cellGeom = subDetGeom->getGeometry(id);
if(! cellGeom) {
LogDebug("TrackAssociator") << "Cannot find CaloCell geometry for " << id.rawId() <<"\n";
return std::pair<const_iterator,const_iterator>(dummy_.end(),dummy_.end());
}
const CaloCellGeometry::CornersVec& cor (cellGeom->getCorners() ) ;
return std::pair<const_iterator,const_iterator>( cor.begin(), cor.end() ) ;
}
| GlobalPoint CaloDetIdAssociator::getPosition | ( | const DetId & | id | ) | const [protected, virtual] |
Implements DetIdAssociator.
Definition at line 200 of file CaloDetIdAssociator.cc.
References geometry_, CaloSubdetectorGeometry::getGeometry(), CaloCellGeometry::getPosition(), and CaloGeometry::getSubdetectorGeometry().
{
return geometry_->getSubdetectorGeometry(id)->getGeometry(id)->getPosition();
}
| const std::vector< DetId > & CaloDetIdAssociator::getValidDetIds | ( | unsigned int | subDetectorIndex | ) | const [protected, virtual] |
Implements DetIdAssociator.
Reimplemented in EcalDetIdAssociator, HcalDetIdAssociator, HODetIdAssociator, and PreshowerDetIdAssociator.
Definition at line 204 of file CaloDetIdAssociator.cc.
References DetId::Calo, Exception, geometry_, and CaloGeometry::getValidDetIds().
{
if ( subDectorIndex!=0 ) cms::Exception("FatalError") << "Calo sub-dectors are all handle as one sub-system, but subDetectorIndex is not zero.\n";
return geometry_->getValidDetIds(DetId::Calo, 1);
}
| virtual bool CaloDetIdAssociator::insideElement | ( | const GlobalPoint & | point, |
| const DetId & | id | ||
| ) | const [inline, protected, virtual] |
Implements DetIdAssociator.
Definition at line 59 of file CaloDetIdAssociator.h.
References geometry_, CaloSubdetectorGeometry::getGeometry(), CaloGeometry::getSubdetectorGeometry(), and CaloCellGeometry::inside().
{
return geometry_->getSubdetectorGeometry(id)->getGeometry(id)->inside(point);
};
| virtual const char* CaloDetIdAssociator::name | ( | void | ) | const [inline, virtual] |
Implements DetIdAssociator.
Reimplemented in EcalDetIdAssociator, HcalDetIdAssociator, HODetIdAssociator, and PreshowerDetIdAssociator.
Definition at line 48 of file CaloDetIdAssociator.h.
{ return "CaloTowers"; }
| virtual void CaloDetIdAssociator::setGeometry | ( | const CaloGeometry * | ptr | ) | [inline, virtual] |
Definition at line 42 of file CaloDetIdAssociator.h.
References geometry_.
Referenced by setGeometry().
{ geometry_ = ptr; };
| void CaloDetIdAssociator::setGeometry | ( | const DetIdAssociatorRecord & | iRecord | ) | [virtual] |
Implements DetIdAssociator.
Definition at line 187 of file CaloDetIdAssociator.cc.
References edm::eventsetup::DependentRecordImplementation< RecordT, ListT >::getRecord(), edm::ESHandle< T >::product(), and setGeometry().
{
edm::ESHandle<CaloGeometry> geometryH;
iRecord.getRecord<CaloGeometryRecord>().get(geometryH);
setGeometry(geometryH.product());
}
std::vector<GlobalPoint> CaloDetIdAssociator::dummy_ [protected] |
Definition at line 69 of file CaloDetIdAssociator.h.
Referenced by getDetIdPoints().
const CaloGeometry* CaloDetIdAssociator::geometry_ [protected] |
Definition at line 68 of file CaloDetIdAssociator.h.
Referenced by check_setup(), getDetIdPoints(), getPosition(), getValidDetIds(), PreshowerDetIdAssociator::getValidDetIds(), HcalDetIdAssociator::getValidDetIds(), EcalDetIdAssociator::getValidDetIds(), HODetIdAssociator::getValidDetIds(), insideElement(), and setGeometry().
1.7.3