function [q] = read_field_complete_ucf(file,ifield,varargin)
    % [data] = read_field_complete_ucf(file,ifield,varargin)
    % Reads a specific field from all processor chunks.
    % Input
    %   file                file to be read
    %   ifield              field to be read
    %                         'uvwp': 1:u, 2:v, 3:w, 4:p
    %                         'scal': 1:s1, 2:s2, ... 
    % Optional input (key/value pair)
    %   timestep            index of timestep to be read (default: 1)
    %   verbosity           verbose output? (default: no)
    %   debug               debug output? (default: no)
    % Output
    %   data                partial field with dim(nxl+2*ighost,nyl+2*ighost,nzl+2*ighost)

    % Parse optional input arguments
    par = inputParser;
    addOptional(par,'timestep',1,@isnumeric);
    addOptional(par,'verbosity',0,@isnumeric);
    addOptional(par,'debug',0,@isnumeric);
    parse(par,varargin{:});
    istep = par.Results.timestep;

    % Parse filename
    [fdir,fbase,fext] = fileparts(file);
    fname = sprintf('%s/%s.%05d',fdir,fbase,0);

    % Open first file
    obj = ucf('verbosity',par.Results.verbosity,'debug',par.Results.debug);
    obj.open(fname);
    if ~obj.validateType('field')
      error('read error: no field data.'); 
    end
        
    % Read raw data
    [data,params] = obj.readSet(istep,ifield);
    params = cast(params,'double');
    ighost   = params(1);
    ib  = params(2);
    jb  = params(3);
    kb  = params(4);
    nxl = params(5);
    nyl = params(6);
    nzl = params(7);
    nx  = params(8);
    ny  = params(9);
    nz  = params(10);
    data = reshape(data,nxl+2*ighost,nyl+2*ighost,nzl+2*ighost);
    if ighost
      data = data(2:end-1,2:end-1,2:end-1);
    end

    % Create global array and assign chunk
    q = zeros(nx,ny,nz,class(data));
    q(ib:ib+nxl-1,jb:jb+nyl-1,kb:kb+nzl-1) = data;

    % Close the first file
    obj.close();

    % Now loop consecutively through files
    ifile = 1;
    fname = sprintf('%s/%s.%05d',fdir,fbase,ifile);
    while exist(fname,'file')
      % Open file
      obj = ucf('verbosity',par.Results.verbosity,'debug',par.Results.debug);
      obj.open(fname);
      if ~obj.validateType('field')
        error('read error: no field data.'); 
      end
          
      % Read raw data
      [data,params] = obj.readSet(istep,ifield);
      params = cast(params,'double');
      ighost   = params(1);
      ib  = params(2);
      jb  = params(3);
      kb  = params(4);
      nxl = params(5);
      nyl = params(6);
      nzl = params(7);
      data = reshape(data,nxl+2*ighost,nyl+2*ighost,nzl+2*ighost);
      if ighost
        data = data(2:end-1,2:end-1,2:end-1);
      end
  
      % Assign chunk
      q(ib:ib+nxl-1,jb:jb+nyl-1,kb:kb+nzl-1) = data;
  
      % Close the first file
      obj.close();
      
      % Move on to next file
      ifile = ifile+1;
      fname = sprintf('%s/%s.%05d',fdir,fbase,ifile);
    end
end