/*
 * metascan implementation
 *
 * Copyright (C) Andreas Nuechter, Kai Lingemann, Thomas Escher
 *
 * Released under the GPL version 3.
 *
 */

#include "slam6d/metaScan.h"

#include "slam6d/kdMeta.h"

#ifdef WITH_METRICS
#include "slam6d/metrics.h"
#endif

MetaScan::MetaScan(std::vector<Scan*> scans, int nns_method, bool cuda_enabled) :
  m_scans(scans)
{
  // add this to the global vector for addFrame reasons
  Scan::allScans.push_back(this);
}

MetaScan::~MetaScan()
{
  // remove this from the global vector for addFrame reasons
  for(ScanVector::iterator it = Scan::allScans.begin(); it != Scan::allScans.end(); ++it) {
    if(*it == this) {
      Scan::allScans.erase(it);
      break;
    }
  }
}

void MetaScan::createSearchTreePrivate()
{
#ifdef WITH_METRICS
  Timer tc = ClientMetric::create_metatree_time.start();
#endif //WITH_METRICS
  
  // TODO: there is no nns_type switch or cuda option for this one because no reduced points are copied, this could be implemented if e.g. cuda is required on metascans
  kd = new KDtreeMetaManaged(m_scans);
  
#ifdef WITH_METRICS
  ClientMetric::create_metatree_time.end(tc);
#endif //WITH_METRICS
}

unsigned int MetaScan::size() const
{
  return m_scans.size();
}

Scan* MetaScan::getScan(unsigned int i) const
{
  return m_scans.at(i);
}