PHGeomTGeo.cc

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// $Id: $                                                                                             
 
#include "PHGeomTGeo.h"
 
#include "TGeoManager.h"
 
#include <iostream>
#include <cassert>
 
using namespace std;
 
//ClassImp(PHGeomTGeo);
 
PHGeomTGeo::PHGeomTGeo() :
    _fGeom(NULL)
{
//  SplitLevel(0);
}
 
PHGeomTGeo::~PHGeomTGeo()
{
  ConsistencyCheck();
  Reset();
}
 
void
PHGeomTGeo::SetGeometry(TGeoManager * g)
{
  ConsistencyCheck();
  assert(_fGeom == NULL);
 
  if (!g)
    {
      cout << __PRETTY_FUNCTION__ << " - Error - Invalid input" << endl;
      return;
    }
 
  _fGeom = g;
  _fGeom->LockGeometry();
 
  ConsistencyCheck();
}
 
TGeoManager *
PHGeomTGeo::GetGeometry()
{
  if (_fGeom == NULL)
    return NULL;
 
  ConsistencyCheck();
 
  if (_fGeom == gGeoManager)
    return _fGeom;
  else
    {
      return NULL;
    }
}
 
void
PHGeomTGeo::identify(std::ostream& os) const
{
  os << "PHGeomTGeo - ";
  if (_fGeom)
    os << " with geometry data " << _fGeom->GetName() << ": "
        << _fGeom->GetTitle();
  else
    os << "Empty";
  os << endl;
  ConsistencyCheck();
}
 
void
PHGeomTGeo::Reset()
{
  ConsistencyCheck();
 
  if (_fGeom)
    {
      _fGeom->UnlockGeometry();
      delete _fGeom;
    }
  _fGeom = NULL;
}
 
int
PHGeomTGeo::isValid() const
{
  ConsistencyCheck();
 
  if (_fGeom == NULL)
    return 0;
  if (_fGeom->IsZombie())
    return 0;
  return 1;
}
 
bool
PHGeomTGeo::ConsistencyCheck() const
{
  if (_fGeom == NULL)
    return true; // uninitialized
 
  if (_fGeom == gGeoManager)
    return true;
  else
    {
 
      cout << __PRETTY_FUNCTION__
          << " - ERROR - gGeoManager is overridden by another TGeoManager. "
          << "Please avoid using multiple TGeoManager in processing. Stop the process."
          << endl;
      exit(1);
      return false;
 
    }
}