Beispiel #1
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    def from_file(xmu_dat_file="xmu.dat", feff_inp_file="feff.inp"):
        """
        Get Xmu from file.

        Args:
            xmu_dat_file (str): filename and path for xmu.dat
            feff_inp_file (str): filename and path of feff.inp input file

        Returns:
             Xmu object
        """
        data = np.loadtxt(xmu_dat_file)
        header = Header.from_file(feff_inp_file)
        parameters = Tags.from_file(feff_inp_file)
        pots = Potential.pot_string_from_file(feff_inp_file)
        absorbing_atom = pots.splitlines()[1].split()[2]
        return Xmu(header, parameters, absorbing_atom, data)
Beispiel #2
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    def from_file(xmu_dat_file="xmu.dat", feff_inp_file="feff.inp"):
        """
        Get Xmu from file.

        Args:
            xmu_dat_file (str): filename and path for xmu.dat
            feff_inp_file (str): filename and path of feff.inp input file

        Returns:
             Xmu object
        """
        data = np.loadtxt(xmu_dat_file)
        header = Header.from_file(feff_inp_file)
        parameters = Tags.from_file(feff_inp_file)
        pots = Potential.pot_string_from_file(feff_inp_file)
        absorbing_atom = pots.splitlines()[1].split()[2]
        return Xmu(header, parameters, absorbing_atom, data)
Beispiel #3
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    def from_file(filename="xmu.dat", input_filename="feff.inp"):
        """
        Get Xmu from file.

        Args:
            filename: filename and path for xmu.dat
            input_filename: filename and path of feff.inp input file

        Returns:
             Xmu object
        """
        data = np.loadtxt(filename)
        header = Header.from_file(input_filename)
        parameters = Tags.from_file(input_filename)
        pots = Potential.pot_string_from_file(input_filename)
        central_atom = pots.splitlines()[1].split()[2]
        return Xmu(header, parameters, central_atom, data)
Beispiel #4
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    def from_file(xmu_dat_file="xmu.dat", feff_inp_file="feff.inp"):
        """
        Get Xmu from file.

        Args:
            xmu_dat_file (str): filename and path for xmu.dat
            feff_inp_file (str): filename and path of feff.inp input file

        Returns:
             Xmu object
        """
        data = np.loadtxt(xmu_dat_file)
        header = Header.from_file(feff_inp_file)
        parameters = Tags.from_file(feff_inp_file)
        pots = Potential.pot_string_from_file(feff_inp_file)
        # site index (Note: in feff it starts from 1)
        if "RECIPROCAL" in parameters:
            absorbing_atom = parameters["TARGET"]
        # species symbol
        else:
            absorbing_atom = pots.splitlines()[1].split()[2]
        return Xmu(header, parameters, absorbing_atom, data)
Beispiel #5
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    def from_file(xmu_dat_file="xmu.dat", feff_inp_file="feff.inp"):
        """
        Get Xmu from file.

        Args:
            xmu_dat_file (str): filename and path for xmu.dat
            feff_inp_file (str): filename and path of feff.inp input file

        Returns:
             Xmu object
        """
        data = np.loadtxt(xmu_dat_file)
        header = Header.from_file(feff_inp_file)
        parameters = Tags.from_file(feff_inp_file)
        pots = Potential.pot_string_from_file(feff_inp_file)
        # site index (Note: in feff it starts from 1)
        if "RECIPROCAL" in parameters:
            absorbing_atom = parameters["TARGET"]
        # species symbol
        else:
            absorbing_atom = pots.splitlines()[3].split()[2]
        return Xmu(header, parameters, absorbing_atom, data)
Beispiel #6
0
    def from_file(feff_inp_file="feff.inp", ldos_file="ldos"):
        """
        Creates LDos object from raw Feff ldos files by
        by assuming they are numbered consecutively, i.e. ldos01.dat
        ldos02.dat...

        Args:
            feff_inp_file (str): input file of run to obtain structure
            ldos_file (str): output ldos file of run to obtain dos info, etc.
        """
        header_str = Header.header_string_from_file(feff_inp_file)
        header = Header.from_string(header_str)
        structure = header.struct
        nsites = structure.num_sites
        parameters = Tags.from_file(feff_inp_file)

        if "RECIPROCAL" in parameters:
            pot_dict = {}
            pot_readstart = re.compile(".*iz.*lmaxsc.*xnatph.*xion.*folp.*")
            pot_readend = re.compile(".*ExternalPot.*switch.*")
            pot_inp = re.sub(r"feff.inp", r"pot.inp", feff_inp_file)
            dos_index = 1
            begin = 0

            with zopen(pot_inp, "r") as potfile:
                for line in potfile:
                    if len(pot_readend.findall(line)) > 0:
                        break

                    if begin == 1:
                        begin += 1
                        continue

                    if begin == 2:
                        z_number = int(line.strip().split()[0])
                        ele_name = Element.from_Z(z_number).name
                        if ele_name not in pot_dict:
                            pot_dict[ele_name] = dos_index
                        else:
                            pot_dict[ele_name] = min(dos_index,
                                                     pot_dict[ele_name])
                        dos_index += 1

                    if len(pot_readstart.findall(line)) > 0:
                        begin = 1
        else:
            pot_string = Potential.pot_string_from_file(feff_inp_file)
            dicts = Potential.pot_dict_from_string(pot_string)
            pot_dict = dicts[0]

        with zopen(ldos_file + "00.dat", "r") as fobject:
            f = fobject.readlines()
        efermi = float(f[0].split()[4])

        dos_energies = []
        ldos = {}

        for i in range(1, len(pot_dict) + 1):
            if len(str(i)) == 1:
                ldos[i] = np.loadtxt(f"{ldos_file}0{i}.dat")
            else:
                ldos[i] = np.loadtxt(f"{ldos_file}{i}.dat")

        for i in range(0, len(ldos[1])):
            dos_energies.append(ldos[1][i][0])

        all_pdos = []
        vorb = {
            "s": Orbital.s,
            "p": Orbital.py,
            "d": Orbital.dxy,
            "f": Orbital.f0
        }
        forb = {"s": 0, "p": 1, "d": 2, "f": 3}

        dlength = len(ldos[1])

        for i in range(nsites):
            pot_index = pot_dict[structure.species[i].symbol]
            all_pdos.append(defaultdict(dict))
            for k, v in vorb.items():
                density = [
                    ldos[pot_index][j][forb[k] + 1] for j in range(dlength)
                ]
                updos = density
                downdos = None
                if downdos:
                    all_pdos[-1][v] = {Spin.up: updos, Spin.down: downdos}
                else:
                    all_pdos[-1][v] = {Spin.up: updos}

        pdos = all_pdos
        vorb2 = {0: Orbital.s, 1: Orbital.py, 2: Orbital.dxy, 3: Orbital.f0}
        pdoss = {
            structure[i]: {v: pdos[i][v]
                           for v in vorb2.values()}
            for i in range(len(pdos))
        }

        forb = {"s": 0, "p": 1, "d": 2, "f": 3}

        tdos = [0] * dlength
        for i in range(nsites):
            pot_index = pot_dict[structure.species[i].symbol]
            for v in forb.values():
                density = [ldos[pot_index][j][v + 1] for j in range(dlength)]
                for j in range(dlength):
                    tdos[j] = tdos[j] + density[j]
        tdos = {Spin.up: tdos}

        dos = Dos(efermi, dos_energies, tdos)
        complete_dos = CompleteDos(structure, dos, pdoss)
        charge_transfer = LDos.charge_transfer_from_file(
            feff_inp_file, ldos_file)
        return LDos(complete_dos, charge_transfer)
Beispiel #7
0
    def charge_transfer_from_file(feff_inp_file, ldos_file):
        """
        Get charge transfer from file.

        Args:
            feff_inp_file (str): name of feff.inp file for run
            ldos_file (str): ldos filename for run, assume consecutive order,
                i.e., ldos01.dat, ldos02.dat....

        Returns:
            dictionary of dictionaries in order of potential sites
            ({"p": 0.154, "s": 0.078, "d": 0.0, "tot": 0.232}, ...)
        """
        cht = {}
        parameters = Tags.from_file(feff_inp_file)

        if "RECIPROCAL" in parameters:
            dicts = [{}]
            pot_dict = {}
            dos_index = 1
            begin = 0
            pot_inp = re.sub(r"feff.inp", r"pot.inp", feff_inp_file)
            pot_readstart = re.compile(".*iz.*lmaxsc.*xnatph.*xion.*folp.*")
            pot_readend = re.compile(".*ExternalPot.*switch.*")
            with zopen(pot_inp, "r") as potfile:
                for line in potfile:
                    if len(pot_readend.findall(line)) > 0:
                        break
                    if begin == 1:
                        z_number = int(line.strip().split()[0])
                        ele_name = Element.from_Z(z_number).name
                        if len(pot_dict) == 0:
                            pot_dict[0] = ele_name
                        elif len(pot_dict) > 0:
                            pot_dict[max(pot_dict.keys()) + 1] = ele_name
                        begin += 1
                        continue
                    if begin == 2:
                        z_number = int(line.strip().split()[0])
                        ele_name = Element.from_Z(z_number).name
                        dicts[0][ele_name] = dos_index
                        dos_index += 1
                        if len(pot_dict) == 0:
                            pot_dict[0] = ele_name
                        elif len(pot_dict) > 0:
                            pot_dict[max(pot_dict.keys()) + 1] = ele_name
                    if len(pot_readstart.findall(line)) > 0:
                        begin = 1
        else:
            pot_string = Potential.pot_string_from_file(feff_inp_file)
            dicts = Potential.pot_dict_from_string(pot_string)
            pot_dict = dicts[1]

        for i in range(0, len(dicts[0]) + 1):
            if len(str(i)) == 1:
                with zopen(f"{ldos_file}0{i}.dat", "rt") as fobject:
                    f = fobject.readlines()
                    s = float(f[3].split()[2])
                    p = float(f[4].split()[2])
                    d = float(f[5].split()[2])
                    f1 = float(f[6].split()[2])
                    tot = float(f[1].split()[4])
                    cht[str(i)] = {
                        pot_dict[i]: {
                            "s": s,
                            "p": p,
                            "d": d,
                            "f": f1,
                            "tot": tot
                        }
                    }
            else:
                with zopen(ldos_file + str(i) + ".dat", "rt") as fid:
                    f = fid.readlines()
                    s = float(f[3].split()[2])
                    p = float(f[4].split()[2])
                    d = float(f[5].split()[2])
                    f1 = float(f[6].split()[2])
                    tot = float(f[1].split()[4])
                    cht[str(i)] = {
                        pot_dict[i]: {
                            "s": s,
                            "p": p,
                            "d": d,
                            "f": f1,
                            "tot": tot
                        }
                    }

        return cht