def _transform_spherical_gpforce(inode_xyz, unused_inode_gp, data,
    cid_transform, coord, unused_xyz_cid0, unused_log):
    """helper method for transform_gpforce_to_globali"""
    for itime in range(data.shape[0]):
        translation = data[(itime), (inode_xyz), :3]
        rotation = data[(itime), (inode_xyz), 3:]
        translation = coord.coord_to_xyz_array(data[(itime), (inode_xyz), :3])
        rotation = coord.coord_to_xyz_array(data[(itime), (inode_xyz), 3:])
        data[(itime), (inode_xyz), :3] = translation.dot(cid_transform)
        data[(itime), (inode_xyz), 3:] = rotation.dot(cid_transform)
