//=======================================================================
// isPhoton
// Calculating distance from event vertex to photon,
// this distance must be bigger than
// m_minDistanceStripPhoton and m_minDistanceModulePhoton
//=======================================================================
StatusCode HTBlob::isPhoton( SmartRefVector<Minerva::IDCluster> Seed, Gaudi::XYZPoint vtX ) const
{
debug() << " HTBlob::isPhoton, asking vtx_z = " << vtX.z() << "; vtx_x " << vtX.x() << endmsg;
SmartRefVector<Minerva::IDCluster>::iterator itClus = Seed.begin();
double min_radius = 10000.0;
Gaudi::XYZPoint upstream;
for ( ; itClus != Seed.end(); ++itClus ) {
if ( (*itClus)->view() != Minerva::IDCluster::X ) continue;
double radius =sqrt( pow(vtX.x()-(*itClus)->position(),2) + pow(vtX.z() - (*itClus)->z(),2) );
if ( radius < min_radius ){
min_radius = radius;
upstream.SetX( (*itClus)->position() );
upstream.SetY( 0.0 );
upstream.SetZ( (*itClus)->z() );
}
}
if ( fabs(upstream.x()-vtX.x()) > m_minDistanceStripPhoton ||
fabs(upstream.z()-vtX.z()) > m_minDistanceModulePhoton )
return StatusCode::SUCCESS;
else
return StatusCode::FAILURE;
}
//=======================================================================
// idBlobdEdx 4 planes
//=======================================================================
StatusCode HTBlob::idBlobdEdx( Minerva::IDBlob *idblob, double &dEdx ) const
{
debug() << "CCPi0HoughTool::idBlobdEdx" << endmsg;
SmartRefVector< Minerva::IDCluster > idClusters = idblob->clusters();
SmartRefVector< Minerva::IDCluster >::iterator it_clus = idClusters.begin();
TH1D *h = new TH1D ("h","h", 100,0,4500); // bin size 45mm <> 1 module
dEdx = 0;
Gaudi::XYZPoint vert = idblob->startPoint();
double x, z, distance, vt_x, vt_u, vt_v, vt_z;
// event vertex per view
vt_x = vert.x();
vt_u = -vert.y()*sqrt(3)/2 + vert.x()*.5; // -ycos30 + xsin30
vt_v = vert.y()*sqrt(3)/2 + vert.x()*.5; // ycos30 + xsin30
vt_z = vert.z();
for ( ; it_clus != idClusters.end(); it_clus++ ){
x = vt_x - (*it_clus)->position();
z = vt_z - (*it_clus)->z();
if ( (*it_clus)->view() == Minerva::IDCluster::U ){
x = vt_u - (*it_clus)->position();
z = vt_z - (*it_clus)->z();
}
if ( (*it_clus)->view() == Minerva::IDCluster::V ){
x = vt_v - (*it_clus)->position();
z = vt_z - (*it_clus)->z();
}
distance = sqrt( pow(x,2) + pow(z,2) );
h->Fill(distance, (*it_clus)->energy());
}
// dEdx calculation, maybe not clear
int binmin = h->FindFirstBinAbove();
int binmax = (h->FindLastBinAbove()-m_planesdEdx/2);
for ( int i = binmin; i <= binmax; i++ ){
if ( FinddEdxPlanes(h, i, dEdx) ) break;
dEdx = 0;
}
if ( dEdx == 0 ) dEdx = -999;
else dEdx = dEdx/m_planesdEdx;
info () << " dEdx = " << dEdx << " number planes " << m_planesdEdx << endmsg;
delete h;
return StatusCode::SUCCESS;
}
//=============================================================================
// Create2dHTBlob
//=============================================================================
StatusCode HTBlob::Create2dHTSeed( SmartRefVector<Minerva::IDCluster> &idClusterView,
SmartRefVector<Minerva::IDCluster> &HT2dClusters,
double r, double theta, Gaudi::XYZPoint ref, double &spX, double &spZ ) const
{
debug() << " HTtool::Create2dHTSeed " << endmsg;
double rmin, rmax, x, z, zmin = 10000, Total_e = 0;
SmartRefVector<Minerva::IDCluster> ClusTemp = idClusterView;
SmartRefVector<Minerva::IDCluster>::iterator itClus = ClusTemp.begin();
idClusterView.clear();
debug() << " Will study " << ClusTemp.size() << " clusters " << endmsg;
debug() << " Seed with, r: " << r << ", theta = " << theta << ";contains these clusters: " << endmsg;
for ( ; itClus != ClusTemp.end(); itClus++ ){
z = (*itClus)->z() - ref.z();
x = (*itClus)->tpos1() - ref.x();
rmin = x*sin(theta*CLHEP::pi/180) + z*cos(theta*CLHEP::pi/180);
x = (*itClus)->tpos2() - ref.x();
rmax = x*sin(theta*CLHEP::pi/180) + z*cos(theta*CLHEP::pi/180);
if ( fabs ( 2*r - rmin - rmax ) <= 90 ){
if ( (*itClus)->z()< zmin ) {
zmin = (*itClus)->z();
spZ = (*itClus)->z();
spX = (*itClus)->position();
}
debug() << " pe = " << (*itClus)->pe() << "; z = " << (*itClus)->z() << "; pos = " << (*itClus)->position()
<< endmsg;
HT2dClusters.push_back(*itClus);
Total_e += (*itClus)->energy();
continue;
}
idClusterView.push_back(*itClus);
}
debug() << " Total energy comming from seed = " << Total_e << "; this energy must be bigger than 19"
<< endmsg << endmsg;
if ( Total_e < 19 ) {
idClusterView.insert(idClusterView.end(),HT2dClusters.begin(),HT2dClusters.end());
return StatusCode::FAILURE;
}
return StatusCode::SUCCESS;
}
//======================================================================
// Angle
//=======================================================================
StatusCode HTBlob::Angle( SmartRef<Minerva::IDCluster> Cluster, Gaudi::XYZVector direction, Gaudi::XYZPoint vert, double &angle ) const
{
if ( direction.x() == -9999 || vert.x() == -9999 ) return StatusCode::FAILURE;
double dx, dz, Dx, Dz;
switch(Cluster->view())
{
case Minerva::IDCluster::X:
dx = Cluster->position() - vert.x();
Dx = direction.x();
break;
case Minerva::IDCluster::U:
dx = Cluster->position() - m_mathTool->calcUfromXY(vert.x(),vert.y());
Dx = m_mathTool->calcUfromXY(direction.x(),direction.y());
break;
case Minerva::IDCluster::V:
dx = Cluster->position() - m_mathTool->calcVfromXY(vert.x(),vert.y());
Dx = m_mathTool->calcVfromXY(direction.x(),direction.y());
break;
default:
throw MinervaException("Unknown cluster view");
}
dz = Cluster->z() - vert.z();
Dz = direction.z();
double moduled = sqrt( pow(dx,2) + pow(dz,2) );
double moduleD = sqrt( pow(Dx,2) + pow(Dz,2) );
dx = dx/moduled; dz = dz/moduled;
Dx = Dx/moduleD; Dz = Dz/moduleD;
angle = acos(fabs(dx*Dx+dz*Dz));
debug() << " pe = " << Cluster->pe() << "; z = " << Cluster->z() << "; pos = " << Cluster->position()
<< " Angle " << angle << endmsg;
return StatusCode::SUCCESS;
}
//=========================================================================
// Calculate the x position of a particle at a given z
//=========================================================================
double PrPixelDebugTool::xTrue(int key, double z) {
LHCb::MCParticles* parts =
get<LHCb::MCParticles>(LHCb::MCParticleLocation::Default);
LHCb::MCParticle* part = parts->object(key);
if (NULL == part) return -999.;
const double tx = part->momentum().px() / part->momentum().pz();
Gaudi::XYZPoint origin = part->originVertex()->position();
return origin.x() + tx * (z - origin.z());
}
//=========================================================================
// Convert the LiteClusters to PatPixelHit
//=========================================================================
void PatPixelHitManager::buildHits ( ) {
if ( m_eventReady ) return;
m_eventReady = true;
//New event - new Vector
m_hitsPerEvent.push_back(0);
m_hits_Ids.push_back(std::vector<int>());
m_hits_trackIds.push_back(std::vector<int>());
m_hits_sensNum.push_back(std::vector<int>());
m_hits_isUsed.push_back(std::vector<int>());
m_hits_X.push_back(std::vector<double>());
m_hits_Y.push_back(std::vector<double>());
m_hits_Z.push_back(std::vector<double>());
m_hits_W.push_back(std::vector<double>());
m_sensor_hitStartPos.push_back(std::vector<int>());
m_sensor_hitsNum.push_back(std::vector<int>());
m_sensor_Z.push_back(std::vector<double>());
//--
LHCb::VeloPixLiteCluster::VeloPixLiteClusters * liteClusters =
GaudiTool::get<LHCb::VeloPixLiteCluster::VeloPixLiteClusters>(LHCb::VeloPixLiteClusterLocation::Default);
if ( liteClusters->size() > m_pool.size() ) {
m_pool.resize( liteClusters->size() + 100 );
m_nextInPool = m_pool.begin();
}
//== Sensirs info
std::vector<PatPixelSensor*>::iterator it;
for (it = m_sensors.begin(); it<m_sensors.end(); ++it){
m_sensor_hitStartPos[m_event_number].push_back(0);
m_sensor_hitsNum[m_event_number].push_back(0);
m_sensor_Z[m_event_number].push_back((*it)->z());
}
LHCb::VeloPixLiteCluster::VeloPixLiteClusters::iterator iClus;
unsigned int lastSensor = 9999;
PatPixelSensor* mySensor = NULL;
double dx = 0.050 / sqrt( 12. );
int hitNumber = 0;
for ( iClus = liteClusters->begin(); liteClusters->end() != iClus; ++iClus ) {
unsigned int sensor = iClus->channelID().sensor();
if ( sensor > m_sensors.size() ) break;
if ( sensor != lastSensor ) {
lastSensor = sensor;
mySensor = m_sensors[sensor];
m_sensor_hitStartPos[m_event_number][mySensor->number()] = hitNumber;
}
PatPixelHit* hit = &(*(m_nextInPool++)); // get the next object in the pool
Gaudi::XYZPoint point = mySensor->position( (*iClus).channelID(),
(*iClus).interPixelFractionX(),
(*iClus).interPixelFractionY() );
hit->setHit( LHCb::LHCbID( (*iClus).channelID() ), point, dx, dx, sensor );
mySensor->addHit( hit );
//!!
m_sensor_hitsNum[m_event_number][mySensor->number()]++;
m_hitsPerEvent[m_event_number]++;
m_hits_Ids[m_event_number].push_back((*iClus).channelID());
m_hits_trackIds[m_event_number].push_back(-1);
m_hits_sensNum[m_event_number].push_back(sensor);
m_hits_isUsed[m_event_number].push_back(0);
m_hits_X[m_event_number].push_back(point.x());
m_hits_Y[m_event_number].push_back(point.y());
m_hits_Z[m_event_number].push_back(point.z());
m_hits_W[m_event_number].push_back(1.0/dx/dx);
hitNumber++;
}
if (m_hitsPerEvent[m_event_number] > m_max_hits){
m_max_hits = m_hitsPerEvent[m_event_number];
}
m_event_number++; //TRZEBA GO USTAWIAC NA 0 PO KAZDEJ PACZCE!!! !!!!!!!
}
//=============================================================================
// GetStartPosition
// is_vertex must be "true" when the vert is muon vertex
// is_vertex must be "false" when the vert is for reference
//=============================================================================
bool HTBlob::GetStartPosition( Minerva::IDBlob *idBlob, Gaudi::XYZPoint vert, bool is_vertex ) const
{
debug() << " HTBlob::GetStartPosition " << endmsg;
TH2D *hU = new TH2D ( "hU", "hU", 480,4510,9990,127,-1075,1075);
TH2D *hV = new TH2D ( "hV", "hV", 480,4510,9990,127,-1075,1075);
if ( is_vertex ){
hU->Fill( vert.z(), m_mathTool->calcUfromXY(vert.x(), vert.y()), 20 );
hV->Fill( vert.z(), m_mathTool->calcVfromXY(vert.x(), vert.y()), 20);
}
SmartRefVector<Minerva::IDCluster> idClusters = idBlob->clusters();
SmartRefVector<Minerva::IDCluster>::iterator itClus = idClusters.begin();
Gaudi::XYZPoint pos;
double Dx = 0.0;
double Dz = 0.0;
double distance = 0.0;
double vt_x = -9999;
double vt_u;
double vt_v;
double vt_z = -9999;
double vtX = -9999;
double vtY = -9999;
double vtZ = -9999;
double dis_min_x = 10000;
double xu[2] = {0.0};
double xv[2] = {0.0};
double zu[2] = {0.0};
double zv[2] = {0.0}; // to NC Pi0 events, there is no muon vertex
int countu = 0;
int countv = 0; // to NC Pi0 events, there is no muon vertex
for ( ; itClus != idClusters.end(); itClus++ ){
Dx = (*itClus)->position() - vert.x();
Dz = (*itClus)->z() - vert.z();// to avoid 0
if( (*itClus)->view()== Minerva::IDCluster::X ) {
distance = sqrt( pow(Dx,2) + pow(Dz,2) );
if (distance <= dis_min_x ) {
dis_min_x = distance;
vt_x = (*itClus)->position();
vt_z = (*itClus)->z();
}
}
if( (*itClus)->view()== Minerva::IDCluster::U ){
debug() << " StartPoint U view, pe " << (*itClus)->pe() << "; z = " << (*itClus)->z()
<< "; coord " << (*itClus)->position() << endmsg;
Dx = (*itClus)->position() - m_mathTool->calcUfromXY(vert.x(),vert.y());
distance = sqrt( pow(Dx,2) + pow(Dz,2) );
if ( is_vertex ) {
hU->Fill( (*itClus)->z()-12,(*itClus)->tpos1(), (*itClus)->pe()/distance );
hU->Fill( (*itClus)->z()+12,(*itClus)->tpos2(), (*itClus)->pe()/distance );
}
hU->Fill( (*itClus)->z(),(*itClus)->position(), (*itClus)->pe()/distance );
if ( countu < 2 ){
zu[countu] = (*itClus)->z();
xu[countu] = (*itClus)->position();
countu++;
}
}
if( (*itClus)->view()== Minerva::IDCluster::V ){
debug() << " StartPoint V view, pe " << (*itClus)->pe() << "; z = " << (*itClus)->z()
<< "; coord " << (*itClus)->position() << endmsg;
Dx = (*itClus)->position() - m_mathTool->calcVfromXY(vert.x(),vert.y());
distance = sqrt( pow(Dx,2) + pow(Dz,2) );
if ( is_vertex ){
hV->Fill( (*itClus)->z()-12,(*itClus)->tpos1(), (*itClus)->pe()/distance );
hV->Fill( (*itClus)->z()+12,(*itClus)->tpos2(), (*itClus)->pe()/distance );
}
hV->Fill( (*itClus)->z(),(*itClus)->position(), (*itClus)->pe()/distance );
if ( countv < 2 ){
zv[countu] = (*itClus)->z();
xv[countu] = (*itClus)->position();
countv++;
}
}
}
TF1 *fU, *fV;
double slopeu = -9999;
double slopev = -9999;
double bu = -9999;
double bv = -9999;
bool goodFit_U = false;
bool goodFit_V = false;
if ( hU->GetEntries() > 3 ){
hU->Fit("pol1","Q0");
fU = hU->GetFunction("pol1");
bu = fU->GetParameter(0);
slopeu = fU->GetParameter(1);
goodFit_U = true;
delete fU;
}
else if ( hU->GetEntries() == 2 ){ // to deal with 2 clusters on NCPi0
if ( zu[0] > zu[1] ){
slopeu = (xu[0] - xu[1]) / (zu[0] - zu[1]);
bu = xu[1] - zu[1]*slopeu;
goodFit_U = true;
}
else if (zu[0] < zu[1] ) {
slopeu = (xu[1] - xu[0]) / (zu[1] - zu[0]);
bu = xu[0] - zu[0]*slopeu;
goodFit_U = true;
}
}
if ( hV->GetEntries() > 3 ){
hV->Fit("pol1","Q0");
fV = hV->GetFunction("pol1");
bv = fV->GetParameter(0);
slopev = fV->GetParameter(1);
goodFit_V = true;
delete fV;
}
else if ( hV->GetEntries() == 2 ){ // to deal with 2 clusters on NCPi0
if ( zv[0] > zv[1] ){
slopev = (xv[0] - xv[1]) / (zv[0] - zv[1]);
bv = xv[1] - zv[1]*slopeu;
goodFit_V = true;
}
else if (zu[1] < zu[0] ) { /* Trung: why zu instead of zv? */
slopev = (xv[1] - xv[0]) / (zv[1] - zv[0]);
bv = xv[0] - zv[0]*slopev;
goodFit_V = true;
}
}
vtX = vt_x;
vtZ = vt_z;
debug() << " Startpoint, slope u " << slopeu << " slope v" << slopev << endmsg;
if ( goodFit_U && goodFit_V ){ //3D blobs
vt_u = slopeu*vt_z + bu;
vt_v = slopev*vt_z + bv;
vtY = m_mathTool->calcYfromUV(vt_u,vt_v);
}
else if ( goodFit_U ) { //2D blobs
vt_u = slopeu*vt_z + bu;
vtY = (vt_x*.5 - vt_u)*2/sqrt(3); //calcYfromXU?
}
else if ( goodFit_V ) { //2D blobs
vt_v = slopev*vt_z + bv;
vtY = (vt_v - vt_x*.5)*2/sqrt(3); //calcYfromXV?
}
pos.SetX(vtX); pos.SetY(vtY); pos.SetZ(vtZ);
idBlob->setStartPoint(pos);
debug() << " Setting StarPoint " << pos << " Blob" << idBlob << endmsg;
delete hU;
delete hV;
if (goodFit_U || goodFit_V) return true;
return false;
}
//=============================================================================
// GetDirection - Cesar Sotelo's idea
// Calculate direction using every cluster weighted by Energy
// and distance inverse weighted
//=============================================================================
bool HTBlob::GetDirection( Minerva::IDBlob *idBlob, Gaudi::XYZPoint vert ) const
{
debug() << " HTBlob::GetDirection " << endmsg;
SmartRefVector<Minerva::IDCluster> idClusters = idBlob->clusters();
SmartRefVector<Minerva::IDCluster>::iterator itClus = idClusters.begin();
double Xx = 0.0;
double Zx = 0.0;
double Xu = 0.0;
double Xv = 0.0;
double totalX = 0.0;
double totalU = 0.0;
double totalV = 0.0;
double dx = 0.0;
double dy = 0.0;
double dz = 0.0;
double distance = 0.0;
for ( ; itClus != idClusters.end(); itClus++ ){
dz = (*itClus)->z() - vert.z();
switch((*itClus)->view())
{
case Minerva::IDCluster::X:
dx = (*itClus)->position() - vert.x();
distance = sqrt(pow(dx,2)+pow(dz,2));
if ( distance == .0 ) distance = 25;
Xx += dx*(*itClus)->energy()/distance;
Zx += dz*(*itClus)->energy()/distance;
totalX += (*itClus)->energy()/distance;
break;
case Minerva::IDCluster::U:
dx = (*itClus)->position() - m_mathTool->calcUfromXY(vert.x(), vert.y());
distance = sqrt(pow(dx,2)+pow(dz,2));
if ( distance == .0 ) distance = 25;
Xu += dx*(*itClus)->energy()/distance;
totalU += (*itClus)->energy()/distance;
break;
case Minerva::IDCluster::V:
dx = (*itClus)->position() - m_mathTool->calcVfromXY(vert.x(), vert.y());
distance = sqrt(pow(dx,2)+pow(dz,2));
if ( distance == .0 ) distance = 25;
Xv += dx*(*itClus)->energy()/distance;
totalV += (*itClus)->energy()/distance;
break;
default:
throw MinervaException("Unknown cluster view");
}
}
Gaudi::XYZVector direction;
dx = Xx/totalX;
dz = Zx/totalX;
dy = -9999;
bool valid_dY = false;
const double epsilon = std::numeric_limits<double>::epsilon();
if ( std::abs(Xu) > epsilon && std::abs(Xv) > epsilon ) {
dy = m_mathTool->calcYfromUV(Xu/totalU,Xv/totalV);
valid_dY = true;
}
else if ( std::abs(Xu) > epsilon ){
dy = (dx*.5 - Xu/totalU)*2/sqrt(3); //calcYfromXU?
valid_dY = true;
}
else if ( std::abs(Xv) > epsilon ){
dy = (Xv/totalV - dx*.5)*2/sqrt(3); //calcYfromXV?
valid_dY = true;
}
if ( !valid_dY ){
debug() << " Bad direction" << endmsg;
idBlob->setDirection(Gaudi::XYZVector(-9999,-9999,-9999));
return false;
}
else {
double mod = sqrt( pow(dx,2)+pow(dy,2)+pow(dz,2) );
direction.SetX(dx/mod);
direction.SetY(dy/mod);
direction.SetZ(dz/mod);
}
debug() << " Setting direction " << direction << " Blob" << idBlob << endmsg;
idBlob->setDirection(direction);
return true;
}