int
RICHParticleID::process_event(PHCompositeNode *topNode)
{
_ievent ++;
/* Get all photon hits in RICH for this event */
PHG4HitContainer* richhits =
findNode::getClass<PHG4HitContainer>(topNode,_richhits_name);
/* Get track collection with all tracks in this event */
SvtxTrackMap* trackmap =
findNode::getClass<SvtxTrackMap>(topNode,_trackmap_name);
/* Check if trackmap found */
if (!trackmap) {
cout << PHWHERE << "SvtxTrackMap node not found on node tree"
<< endl;
return Fun4AllReturnCodes::ABORTEVENT;
}
/* Loop over tracks */
for (SvtxTrackMap::ConstIter track_itr = trackmap->begin();
track_itr != trackmap->end(); track_itr++) {
SvtxTrack_FastSim* track_j = dynamic_cast<SvtxTrack_FastSim*>(track_itr->second);
/* Get mean emission point from track in RICH */
double m_emi[3] = {0.,0.,0.};
/* 'Continue' with next track if RICH not found in state list for this track */
if ( ! get_position_from_track_state( track_j, _trackstate_name, m_emi ) )
continue;
/* Fill momv object which is the normalized momentum vector of the track in the RICH (i.e. its direction) */
double momv[3] = {0.,0.,0.};
/* 'Continue' with next track if RICH not found in state list for this track */
if ( ! get_momentum_from_track_state( track_j, _trackstate_name, momv ) )
continue;
double momv_norm = sqrt( momv[0]*momv[0] + momv[1]*momv[1] + momv[2]*momv[2] );
momv[0] /= momv_norm;
momv[1] /= momv_norm;
momv[2] /= momv_norm;
/* Calculate true emission angle for output tree */
_theta_true = 0;
/* get truth info node */
PHG4TruthInfoContainer* truthinfo =
findNode::getClass<PHG4TruthInfoContainer>(topNode, "G4TruthInfo");
/* If truth info found use it to calculate truth emission angle */
if ( truthinfo )
{
_theta_true = calculate_true_emission_angle( truthinfo , track_j , _refractive_index );
}
/* Loop over all G4Hits in container (i.e. RICH photons in event) */
PHG4HitContainer::ConstRange rich_hits_begin_end = richhits->getHits();
PHG4HitContainer::ConstIterator rich_hits_iter;
for (rich_hits_iter = rich_hits_begin_end.first; rich_hits_iter != rich_hits_begin_end.second; ++rich_hits_iter)
{
PHG4Hit *hit_i = rich_hits_iter->second;
/* Set reconstructed emission angle for output tree */
_theta_reco = calculate_emission_angle( m_emi, momv, hit_i );
/* Fill tree */
_tree_rich->Fill();
} // END loop over photons
} // END loop over tracks
return 0;
}
int
RICHEvaluator::process_event(PHCompositeNode *topNode)
{
_ievent ++;
/* Get truth information */
PHG4TruthInfoContainer* truthinfo = findNode::getClass<PHG4TruthInfoContainer>(topNode, "G4TruthInfo");
/* Get all photon hits in RICH for this event */
PHG4HitContainer* richhits = findNode::getClass<PHG4HitContainer>(topNode,_richhits_name);
/* Get track collection with all tracks in this event */
SvtxTrackMap* trackmap = findNode::getClass<SvtxTrackMap>(topNode,_trackmap_name);
/* Check if collections found */
if (!truthinfo) {
cout << PHWHERE << "PHG4TruthInfoContainer not found on node tree" << endl;
return Fun4AllReturnCodes::ABORTEVENT;
}
if (!richhits) {
cout << PHWHERE << "PHG4HitContainer not found on node tree" << endl;
return Fun4AllReturnCodes::ABORTEVENT;
}
if (!trackmap) {
cout << PHWHERE << "SvtxTrackMap node not found on node tree" << endl;
return Fun4AllReturnCodes::ABORTEVENT;
}
/* Loop over tracks */
for (SvtxTrackMap::ConstIter track_itr = trackmap->begin(); track_itr != trackmap->end(); track_itr++)
{
bool use_reconstructed_momentum = false;
bool use_truth_momentum = false;
bool use_emission_momentum = true;
bool use_reconstructed_point = false;
bool use_approximate_point = true;
/* Store angles to get RMS value */
TH1F *ch_ang = new TH1F("","",1000,0.0,1.0);
SvtxTrack* track_j = dynamic_cast<SvtxTrack*>(track_itr->second);
/* Check if track_j is a null pointer. */
if (track_j == NULL)
continue;
/* Fill momv object which is the normalized momentum vector of the track in the RICH (i.e. its direction) */
double momv[3] = {0.,0.,0.};
if (use_reconstructed_momentum) {
/* 'Continue' with next track if RICH projection not found for this track */
if ( ! _trackproj->get_projected_momentum( track_j, momv, TrackProjectorPid::SPHERE, _radius ) )
{
cout << "RICH track projection momentum NOT FOUND; next iteration" << endl;
continue;
}
}
if (use_truth_momentum) {
/* Fill with truth momentum instead of reco */
if ( ! _acquire->get_true_momentum( truthinfo, track_j, momv) )
{
cout << "No truth momentum found for track; next iteration" << endl;
continue;
}
}
if (use_emission_momentum) {
/* Fill with vector constructed from emission points (from truth) */
if ( ! _acquire->get_emission_momentum( truthinfo, richhits, track_j, momv) )
{
cout << "No truth momentum from emission points found for track; next iteration" << endl;
continue;
}
}
double momv_norm = sqrt( momv[0]*momv[0] + momv[1]*momv[1] + momv[2]*momv[2] );
momv[0] /= momv_norm;
momv[1] /= momv_norm;
momv[2] /= momv_norm;
/* Get mean emission point from track in RICH */
double m_emi[3] = {0.,0.,0.};
if (use_reconstructed_point) {
/* 'Continue' with next track if RICH projection not found for this track */
if ( ! _trackproj->get_projected_position( track_j, m_emi, TrackProjectorPid::SPHERE, _radius ) )
{
cout << "RICH track projection position NOT FOUND; next iteration" << endl;
continue;
}
}
if (use_approximate_point) {
m_emi[0] = ((_radius)/momv[2])*momv[0];
m_emi[1] = ((_radius)/momv[2])*momv[1];
m_emi[2] = ((_radius)/momv[2])*momv[2];
}
/* 'Continue' with next track if track doesn't pass through RICH */
if ( ! _trackproj->is_in_RICH( momv ) )
continue;
/* Calculate truth emission angle and truth mass */
if (truthinfo)
{
_theta_true = calculate_true_emission_angle( truthinfo , track_j , _refractive_index );
}
/* Loop over all G4Hits in container (i.e. RICH photons in event) */
PHG4HitContainer::ConstRange rich_hits_begin_end = richhits->getHits();
PHG4HitContainer::ConstIterator rich_hits_iter;
for (rich_hits_iter = rich_hits_begin_end.first; rich_hits_iter != rich_hits_begin_end.second; ++rich_hits_iter)
{
PHG4Hit *hit_i = rich_hits_iter->second;
PHG4Particle* particle = NULL;
PHG4Particle* parent = NULL;
PHG4VtxPoint* vertex = NULL;
if ( truthinfo )
{
particle = truthinfo->GetParticle( hit_i->get_trkid() );
parent = truthinfo->GetParticle( particle->get_parent_id() );
vertex = truthinfo->GetVtx( particle->get_vtx_id() );
}
_hit_x0 = hit_i->get_x(0);
_hit_y0 = hit_i->get_y(0);
_hit_z0 = hit_i->get_z(0);
_emi_x = vertex->get_x();
_emi_y = vertex->get_y();
_emi_z = vertex->get_z();
_track_px = particle->get_px();
_track_py = particle->get_py();
_track_pz = particle->get_pz();
_mtrack_px = parent->get_px();
_mtrack_py = parent->get_py();
_mtrack_pz = parent->get_pz();
_mtrack_ptot = sqrt( _mtrack_px*_mtrack_px + _mtrack_py*_mtrack_py + _mtrack_pz*_mtrack_pz );
_track_e = particle->get_e();
_mtrack_e = parent->get_e();
_edep = hit_i->get_edep();
_bankid = 0;
_volumeid = hit_i->get_detid();
_hitid = hit_i->get_hit_id();
_pid = particle->get_pid();
_mpid = parent->get_pid();
_trackid = particle->get_track_id();
_mtrackid = parent->get_track_id();
_otrackid = track_j->get_id();
/* Set reconstructed emission angle and reconstructed mass for output tree */
_theta_reco = _acquire->calculate_emission_angle( m_emi, momv, hit_i );
ch_ang->Fill(_theta_reco);
/* Fill tree */
_tree_rich->Fill();
} // END loop over photons
_theta_rms = ch_ang->GetRMS();
_theta_mean = ch_ang->GetMean();
/* Fill condensed tree after every track */
_tree_rich_small->Fill();
} // END loop over tracks
return 0;
}
int PHG4DstCompressReco::process_event(PHCompositeNode *topNode) {
if (_g4hits.empty() && _g4cells.empty() && _towers.empty()) return Fun4AllReturnCodes::EVENT_OK;
//---cells--------------------------------------------------------------------
for (std::set<PHG4CellContainer*>::iterator iter = _g4cells.begin();
iter != _g4cells.end();
++iter) {
PHG4CellContainer* cells = *iter;
cells->Reset(); // DROP ALL COMPRESSED G4CELLS
}
//---hits---------------------------------------------------------------------
for (std::set<PHG4HitContainer*>::iterator iter = _g4hits.begin();
iter != _g4hits.end();
++iter) {
PHG4HitContainer* hits = *iter;
hits->Reset(); // DROP ALL COMPRESSED G4HITS
}
//---secondary particles and vertexes-----------------------------------------
std::set<int> keep_particle_ids;
for (std::set<PHG4HitContainer*>::iterator iter = _keep_g4hits.begin();
iter != _keep_g4hits.end();
++iter) {
PHG4HitContainer* hits = *iter;
for (PHG4HitContainer::ConstIterator jter = hits->getHits().first;
jter != hits->getHits().second;
++jter) {
PHG4Hit* hit = jter->second;
keep_particle_ids.insert(hit->get_trkid());
// this will need to include all parents too in a trace back to
// the primary, but let's start here for now
}
}
std::set<int> keep_vertex_ids;
PHG4TruthInfoContainer::Range range = _truth_info->GetSecondaryParticleRange();
for (PHG4TruthInfoContainer::Iterator iter = range.first;
iter != range.second;
) {
int id = iter->first;
PHG4Particle* particle = iter->second;
if (keep_particle_ids.find(id) != keep_particle_ids.end()) {
++iter;
keep_vertex_ids.insert(particle->get_vtx_id());
continue;
} else {
_truth_info->delete_particle(iter++); // DROP PARTICLES NOT ASSOCIATED TO A PRESERVED HIT
}
}
PHG4TruthInfoContainer::VtxRange vrange = _truth_info->GetSecondaryVtxRange();
for (PHG4TruthInfoContainer::VtxIterator iter = vrange.first;
iter != vrange.second;
) {
int id = iter->first;
if (keep_vertex_ids.find(id) != keep_vertex_ids.end()) {
++iter;
continue;
} else {
_truth_info->delete_vtx(iter++); // DROP VERTEXES NOT ASSOCIATED TO A PRESERVED HIT
}
}
//---shower entries-----------------------------------------------------------
PHG4TruthInfoContainer::ShowerRange srange = _truth_info->GetShowerRange();
for (PHG4TruthInfoContainer::ShowerIterator iter = srange.first;
iter != srange.second;
++iter) {
PHG4Shower* shower = iter->second;
shower->clear_g4particle_id();
shower->clear_g4vertex_id();
shower->clear_g4hit_id();
}
//---tower cell entries-------------------------------------------------------
for (std::set<RawTowerContainer*>::iterator iter = _towers.begin();
iter != _towers.end();
++iter) {
RawTowerContainer* towers = *iter;
// loop over all the towers
for (RawTowerContainer::Iterator jter = towers->getTowers().first;
jter != towers->getTowers().second;
++jter) {
RawTower* tower = jter->second;
tower->clear_g4cells();
}
}
return Fun4AllReturnCodes::EVENT_OK;
}