merge

    if name: name = name.encode()

    self.lib.lammps_scatter_subset(self.lmp,name,type,count,ndata,ids,data)

   # -------------------------------------------------------------------------

  def encode_image_flags(self,ix,iy,iz):

    """ convert 3 integers with image flags for x-, y-, and z-direction

    into a single integer like it is used internally in LAMMPS

    This method is a wrapper around the :cpp:func:`lammps_encode_image_flags`

    function of library interface.

    :param ix: x-direction image flag

    :type  ix: int

    :param iy: y-direction image flag

    :type  iy: int

    :param iz: z-direction image flag

    :type  iz: int

    :return: encoded image flags

    :rtype: lammps.c_imageint

    """

    return self.lib.lammps_encode_image_flags(ix,iy,iz)

  # -------------------------------------------------------------------------

  def decode_image_flags(self,image):

    """ Convert encoded image flag integer into list of three regular integers.

    This method is a wrapper around the :cpp:func:`lammps_decode_image_flags`

    function of library interface.

    :param image: encoded image flags

    :type image:  lammps.c_imageint

    :return: list of three image flags in x-, y-, and z- direction

    :rtype: list of 3 int

    """

    flags = (c_int*3)()

    self.lib.lammps_decode_image_flags(image,byref(flags))

    return [int(i) for i in flags]

  # -------------------------------------------------------------------------

  # create N atoms on all procs

  # N = global number of atoms

  # id = ID of each atom (optional, can be None)