Method BuildDataMetadata

Modules/RESTAPI/src/mitkDataStorageController.cpp:430–493

}

nlohmann::json DataStorageController::BuildDataMetadata(const mitk::BaseData* data) const
{
  nlohmann::json metadata;

  if (data == nullptr)
  {
    return metadata;
  }

  // Handle Image data
  if (auto* image = dynamic_cast<const mitk::Image*>(data))
  {
    // Dimensions
    nlohmann::json dimensions = nlohmann::json::array();
    for (unsigned int i = 0; i < image->GetDimension(); ++i)
    {
      dimensions.push_back(static_cast<int>(image->GetDimension(i)));
    }
    metadata["dimensions"] = dimensions;

    // Spacing
    auto geometry = image->GetGeometry();
    if (geometry != nullptr)
    {
      auto spacing = geometry->GetSpacing();
      metadata["spacing"] = {spacing[0], spacing[1], spacing[2]};

      auto origin = geometry->GetOrigin();
      metadata["origin"] = {origin[0], origin[1], origin[2]};
    }

    // Pixel type
    auto pixelType = image->GetPixelType();
    metadata["pixel_type"] = pixelType.GetComponentTypeAsString();
  }
  // Handle Surface data
  else if (auto* surface = dynamic_cast<const mitk::Surface*>(data))
  {
    auto* vtkPoly = surface->GetVtkPolyData();
    if (vtkPoly != nullptr)
    {
      metadata["points_count"] = static_cast<int>(vtkPoly->GetNumberOfPoints());
      metadata["cells_count"] = static_cast<int>(vtkPoly->GetNumberOfCells());

      double bounds[6];
      vtkPoly->GetBounds(bounds);
      metadata["bounds"] = {bounds[0], bounds[1], bounds[2], bounds[3], bounds[4], bounds[5]};
    }
  }
  // Handle PointSet data
  else if (auto* pointSet = dynamic_cast<const mitk::PointSet*>(data))
  {
    metadata["points_count"] = static_cast<int>(pointSet->GetSize());

    auto geometry = pointSet->GetGeometry();
    if (geometry != nullptr)
    {
      auto bounds = geometry->GetBounds();