def write(cls, filename, samples, write_params=None, static_args=None,
              **metadata):
        """Writes the injection samples to the given hdf file.

        Parameters
        ----------
        filename : str
            The name of the file to write to.
        samples : io.FieldArray
            FieldArray of parameters.
        write_params : list, optional
            Only write the given parameter names. All given names must be keys
            in ``samples``. Default is to write all parameters in ``samples``.
        static_args : dict, optional
            Dictionary mapping static parameter names to values. These are
            written to the ``attrs``.
        \**metadata :
            All other keyword arguments will be written to the file's attrs.
        """
        with h5py.File(filename, 'w') as fp:
            # write metadata
            if static_args is None:
                static_args = {}
            fp.attrs["static_args"] = static_args.keys()
            fp.attrs['injtype'] = cls.injtype
            for key, val in metadata.items():
                fp.attrs[key] = val
            if write_params is None:
                write_params = samples.fieldnames
            for arg, val in static_args.items():
                fp.attrs[arg] = val
            for field in write_params:
                fp[field] = samples[field]
Writes the injection samples to the given hdf file.

        Parameters
        ----------
        filename : str
            The name of the file to write to.
        samples : io.FieldArray
            FieldArray of parameters.
        write_params : list, optional
            Only write the given parameter names. All given names must be keys
            in ``samples``. Default is to write all parameters in ``samples``.
        static_args : dict, optional
            Dictionary mapping static parameter names to values. These are
            written to the ``attrs``.
        \**metadata :
            All other keyword arguments will be written to the file's attrs.