G4LBLVtxSubsystem.cc

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#include "G4LBLVtxSubsystem.h"

#include "G4LBLVtxDetector.h"
#include "G4LBLVtxDisplayAction.h"
#include "G4LBLVtxSteppingAction.h"

#include <phparameter/PHParameters.h>

#include <g4detectors/PHG4DetectorSubsystem.h>  // for PHG4DetectorSubsystem

#include <g4main/PHG4DisplayAction.h>  // for PHG4DisplayAction
#include <g4main/PHG4HitContainer.h>
#include <g4main/PHG4SteppingAction.h>  // for PHG4SteppingAction

#include <phool/PHCompositeNode.h>
#include <phool/PHIODataNode.h>    // for PHIODataNode
#include <phool/PHNode.h>          // for PHNode
#include <phool/PHNodeIterator.h>  // for PHNodeIterator
#include <phool/PHObject.h>        // for PHObject
#include <phool/getClass.h>

#include <boost/foreach.hpp>

#include <iostream>  // for operator<<, basic_ostream, endl
#include <set>       // for set

using namespace std;

G4LBLVtxSubsystem::G4LBLVtxSubsystem(const std::string &name)
  : PHG4DetectorSubsystem(name, 0)
  , m_Detector(nullptr)
  , m_SteppingAction(nullptr)
  , m_DisplayAction(nullptr)
{
  InitializeParameters();
}

G4LBLVtxSubsystem::~G4LBLVtxSubsystem()
{
  delete m_DisplayAction;
}

//_______________________________________________________________________
int G4LBLVtxSubsystem::InitRunSubsystem(PHCompositeNode *topNode)
{
  PHNodeIterator iter(topNode);
  PHCompositeNode *dstNode = dynamic_cast<PHCompositeNode *>(iter.findFirst("PHCompositeNode", "DST"));

  // create display settings before detector
  m_DisplayAction = new G4LBLVtxDisplayAction(Name());

  // create detector
  m_Detector = new G4LBLVtxDetector(this, topNode, Name(), GetParams());
  m_Detector->SuperDetector(SuperDetector());
  m_Detector->OverlapCheck(CheckOverlap());

  set<string> nodes;
  if (GetParams()->get_int_param("active"))
  {
    PHNodeIterator dstIter(dstNode);
    PHCompositeNode *DetNode = dynamic_cast<PHCompositeNode *>(dstIter.findFirst("PHCompositeNode", SuperDetector()));
    if (!DetNode)
    {
      DetNode = new PHCompositeNode(SuperDetector());
      dstNode->addNode(DetNode);
    }

    ostringstream nodename;
    if (SuperDetector() != "NONE")
    {
      nodename << "G4HIT_" << SuperDetector();
    }
    else
    {
      nodename << "G4HIT_" << Name();
    }
    nodes.insert(nodename.str());
    if (GetParams()->get_int_param("absorberactive"))
    {
      nodename.str("");
      if (SuperDetector() != "NONE")
      {
        nodename << "G4HIT_ABSORBER_" << SuperDetector();
      }
      else
      {
        nodename << "G4HIT_ABSORBER_" << Name();
      }
      nodes.insert(nodename.str());
    }
    BOOST_FOREACH (string node, nodes)
    {
      PHG4HitContainer *g4_hits = findNode::getClass<PHG4HitContainer>(topNode, node);
      if (!g4_hits)
      {
        g4_hits = new PHG4HitContainer(node);
        DetNode->addNode(new PHIODataNode<PHObject>(g4_hits, node, "PHObject"));
      }
    }

    // create stepping action
    m_SteppingAction = new G4LBLVtxSteppingAction(m_Detector, GetParams());
  }
  else
  {
    // if this is a black hole it does not have to be active
    if (GetParams()->get_int_param("blackhole"))
    {
      m_SteppingAction = new G4LBLVtxSteppingAction(m_Detector, GetParams());
    }
  }
  return 0;
}

//_______________________________________________________________________
int G4LBLVtxSubsystem::process_event(PHCompositeNode *topNode)
{
  // pass top node to stepping action so that it gets
  // relevant nodes needed internally
  if (m_SteppingAction)
  {
    m_SteppingAction->SetInterfacePointers(topNode);
  }
  return 0;
}

void G4LBLVtxSubsystem::Print(const string &what) const
{
  cout << Name() << " Parameters: " << endl;
  GetParams()->Print();
  if (m_Detector)
  {
    m_Detector->Print(what);
  }

  return;
}

//_______________________________________________________________________
PHG4Detector *G4LBLVtxSubsystem::GetDetector(void) const
{
  return m_Detector;
}

void G4LBLVtxSubsystem::SetDefaultParameters()
{
  set_default_double_param("place_x", 0.);
  set_default_double_param("place_y", 0.);
  set_default_double_param("place_z", 0.);
  set_default_double_param("rot_x", 0.);
  set_default_double_param("rot_y", 0.);
  set_default_double_param("rot_z", 0.);

  set_default_string_param("GDMPath", "DefaultParameters-InvalidPath");
  set_default_string_param("TopVolName", "DefaultParameters-InvalidVol");
}