Exemple #1
0
    def setUp(self):
        _jdata = {
            "structures": ["confs/mp-141"],
            "interaction": {
                "type": "vasp",
                "incar": "vasp_input/INCAR.rlx",
                "potcar_prefix": ".",
                "potcars": {
                    "Yb": "vasp_input/POTCAR"
                }
            },
            "properties": [{
                "type": "surface",
                "min_slab_size": 10,
                "min_vacuum_size": 11,
                "pert_xz": 0.01,
                "max_miller": 1,
                "cal_type": "relaxation"
            }]
        }

        self.equi_path = 'confs/mp-141/relaxation/relax_task'
        self.source_path = 'equi/vasp'
        self.target_path = 'confs/mp-141/surface_00'
        if not os.path.exists(self.equi_path):
            os.makedirs(self.equi_path)

        self.confs = _jdata["structures"]
        self.inter_param = _jdata["interaction"]
        self.prop_param = _jdata['properties']

        self.surface = Surface(_jdata['properties'][0])
Exemple #2
0
def make_property_instance(paramters):
    """
    Make an instance of Property
    """
    prop_type = paramters['type']
    if prop_type == 'eos':
        return EOS(paramters)
    elif prop_type == 'elastic':
        return Elastic(paramters)
    elif prop_type == 'vacancy':
        return Vacancy(paramters)
    elif prop_type == 'interstitial':
        return Interstitial(paramters)
    elif prop_type == 'surface':
        return Surface(paramters)
    else:
        raise RuntimeError(f'unknown property type {prop_type}')
Exemple #3
0
class TestSurface(unittest.TestCase):
    def setUp(self):
        _jdata = {
            "structures": ["confs/mp-141"],
            "interaction": {
                "type": "vasp",
                "incar": "vasp_input/INCAR.rlx",
                "potcar_prefix": ".",
                "potcars": {
                    "Yb": "vasp_input/POTCAR"
                }
            },
            "properties": [{
                "type": "surface",
                "min_slab_size": 10,
                "min_vacuum_size": 11,
                "pert_xz": 0.01,
                "max_miller": 1,
                "cal_type": "relaxation"
            }]
        }

        self.equi_path = 'confs/mp-141/relaxation/relax_task'
        self.source_path = 'equi/vasp'
        self.target_path = 'confs/mp-141/surface_00'
        if not os.path.exists(self.equi_path):
            os.makedirs(self.equi_path)

        self.confs = _jdata["structures"]
        self.inter_param = _jdata["interaction"]
        self.prop_param = _jdata['properties']

        self.surface = Surface(_jdata['properties'][0])

    def tearDown(self):
        if os.path.exists(os.path.abspath(os.path.join(self.equi_path, '..'))):
            shutil.rmtree(os.path.abspath(os.path.join(self.equi_path, '..')))
        if os.path.exists(self.equi_path):
            shutil.rmtree(self.equi_path)
        if os.path.exists(self.target_path):
            shutil.rmtree(self.target_path)

    def test_task_type(self):
        self.assertEqual('surface', self.surface.task_type())

    def test_task_param(self):
        self.assertEqual(self.prop_param[0], self.surface.task_param())

    def test_make_confs_0(self):
        if not os.path.exists(os.path.join(self.equi_path, 'CONTCAR')):
            with self.assertRaises(RuntimeError):
                self.surface.make_confs(self.target_path, self.equi_path)
        shutil.copy(os.path.join(self.source_path, 'mp-141.vasp'),
                    os.path.join(self.equi_path, 'CONTCAR'))
        task_list = self.surface.make_confs(self.target_path, self.equi_path)
        self.assertEqual(len(task_list), 7)
        dfm_dirs = glob.glob(os.path.join(self.target_path, 'task.*'))

        incar0 = Incar.from_file(os.path.join('vasp_input', 'INCAR.rlx'))
        incar0['ISIF'] = 4

        self.assertEqual(
            os.path.realpath(os.path.join(self.equi_path, 'CONTCAR')),
            os.path.realpath(os.path.join(self.target_path, 'POSCAR')))
        ref_st = Structure.from_file(os.path.join(self.target_path, 'POSCAR'))
        dfm_dirs.sort()
        for ii in dfm_dirs:
            st_file = os.path.join(ii, 'POSCAR')
            self.assertTrue(os.path.isfile(st_file))
            st0 = Structure.from_file(st_file)
            st1_file = os.path.join(ii, 'POSCAR.tmp')
            self.assertTrue(os.path.isfile(st1_file))
            st1 = Structure.from_file(st1_file)
            miller_json_file = os.path.join(ii, 'miller.json')
            self.assertTrue(os.path.isfile(miller_json_file))
            miller_json = loadfn(miller_json_file)
            sl = SlabGenerator(ref_st, miller_json,
                               self.prop_param[0]["min_slab_size"],
                               self.prop_param[0]["min_vacuum_size"])
            slb = sl.get_slab()
            st2 = Structure(slb.lattice, slb.species, slb.frac_coords)
            self.assertEqual(len(st1), len(st2))