Method insertFromRefinementObjectFile

lib/NGT/Index.cpp:415–470

}

void NGT::Index::insertFromRefinementObjectFile() {
  NGT::Property prop;
  getProperty(prop);
  float maxMag = prop.maxMagnitude;
  if (prop.maxMagnitude <= 0.0) {
    std::stringstream msg;
    msg << "Max magnitude is not set yet. " << maxMag;
    NGTThrowException(msg);
  }
  auto &ros     = getRefinementObjectSpace();
  auto &rrepo   = ros.getRepository();
  auto &repo    = getObjectSpace().getRepository();
  size_t dim    = getDimension();
  auto dataSize = rrepo.size();
  std::vector<float> addedElement(dataSize);

  for (size_t idx = 1; idx < rrepo.size(); idx++) {
    if (rrepo[idx] == 0) continue;
    if (repo.size() > idx && repo[idx] != 0) continue;
    std::vector<float> object;
    ros.getObject(idx, object);
    if (object.size() != dim) {
      if (object.size() == dim + 1) {
        object.resize(dim);
      } else {
        std::stringstream msg;
        msg << "Fatal inner error! iInvalid dimension. " << dim << ":" << object.size();
        ;
        NGTThrowException(msg);
      }
    }
    if (prop.distanceType == NGT::ObjectSpace::DistanceType::DistanceTypeInnerProduct) {
      double mag = 0.0;
      for (auto &v : object) {
        mag += v * v;
      }
      if (mag > maxMag) {
        maxMag = mag;
      }
      object.emplace_back(sqrt(maxMag - mag));
    }
    try {
      insert(idx, object);
    } catch (NGT::Exception &err) {
      std::stringstream msg;
      msg << "Cannot insert. " << idx << " " << err.what();
      NGTThrowException(msg);
    }
    if (idx + 1 > getObjectRepositorySize()) {
      std::stringstream msg;
      msg << "The object repository and refinement repository are inconsistent. " << idx + 1 << ":"
          << getObjectRepositorySize();
      NGTThrowException(msg);
    }
  }
}

void NGT::Index::appendFromTextObjectFile(const std::string &indexPath, const std::string &data,