function [] = convert_particles_hdf2ucf(fhdf,fucf)
    % [] = convert_particles_hdf2ucf(fhdf,fucf)
    % Converts a H5Part file containing particle data to a file in UCF format.
    % Input
    %   fhdf          file path to HDF file (input file)
    %   fucf          file path to UCF file (output file)

    % Check if file contains DEM data
    try
    	h5info(fhdf,'/Parameters/DEM');
      isDEM = true;
    catch
      isDEM = false;
    end
    
    % Create column maps
    colml = ucf.partColmapFromFlags(false,true,isDEM,false);
    colpv = convert_colmap_matlab2paraview(colml);

    % Determine final length of set
    ncol = colpv.length;

    % Open HDF file ro and UCF file w+
    id_file = H5F.open(fhdf,'H5F_ACC_RDONLY','H5P_DEFAULT');
    obj = ucf(fucf,'create');
    obj.setFileHeader('particle');

    % Read number of steps from HDF5 file
    id_dset = H5D.open(id_file,'/NumberOfSteps');
    nstep = H5D.read(id_dset);
    H5D.close(id_dset);

    % Loop through timesteps
    fprintf('[HDF read]  %s\n',fhdf);
    fprintf('[UCF write] %s\n',fucf)
    for istep=1:nstep
      % Open group
      groupname = sprintf('Step#%d',istep-1);
      id_group = H5G.open(id_file,groupname);

      % Read simulation time from HDF and create UCF timestep
      id_att = H5A.open(id_group,'TimeValue');
      time = H5A.read(id_att);
      H5A.close(id_att);
      obj.appendStep(time);

      % Read number of particles from attribute
      id_att = H5A.open(id_group,'NumberOfParticles');
      np = H5A.read(id_att);
      H5A.close(id_att);
      
      % Prepare array to store current timestep data
      id_dset = H5D.open(id_group,'Radius');
      id_type = H5D.get_type(id_dset);
      type_size = H5T.get_size(id_type);
      if type_size==4
        pp = zeros(ncol,np,'single');
      else
        pp = zeros(ncol,np,'double');
      end
      H5T.close(id_type);
      H5D.close(id_dset);

      colval = cell2mat(colpv.values);
      [colval,sortidx] = sort(colval);
      colkey = colpv.keys;
      colkey = colkey(sortidx);
      
      % Read data
      for icol=1:ncol
        id_dset = H5D.open(id_group,colkey{icol});
        tmp = H5D.read(id_dset);
        H5D.close(id_dset);
        pp(colval(icol),:) = tmp;
      end
      
      % Add data to UCF file
      obj.appendParticle(pp,colml);
      
      % Close current timestep
      H5G.close(id_group);
    end

    % Close files
    H5F.close(id_file);
    obj.close();
end