Exemple #1
0
    def from_dict(d):
        ''' Convert the dictionary to a crystal model

    Params:
        d The dictionary of parameters

    Returns:
        The crystal model

    '''
        from dxtbx.model import Crystal

        # If None, return None
        if d is None:
            return None

        # Check the version and id
        if str(d['__id__']) != "crystal":
            raise ValueError("\"__id__\" does not equal \"crystal\"")

        # Extract from the dictionary
        real_space_a = d['real_space_a']
        real_space_b = d['real_space_b']
        real_space_c = d['real_space_c']
        # str required to force unicode to ascii conversion
        space_group = str("Hall:" + d['space_group_hall_symbol'])
        xl = Crystal(real_space_a,
                     real_space_b,
                     real_space_c,
                     space_group_symbol=space_group)

        # Isoforms used for stills
        try:
            xl.identified_isoform = d['identified_isoform']
        except KeyError:
            pass

        # Extract scan point setting matrices, if present
        try:
            A_at_scan_points = d['A_at_scan_points']
            xl.set_A_at_scan_points(A_at_scan_points)
        except KeyError:
            pass

        # Extract covariance of B, if present
        try:
            cov_B = d['B_covariance']
            xl.set_B_covariance(cov_B)
        except KeyError:
            pass

        # Extract covariance of B at scan points, if present
        cov_B_at_scan_points = d.get('B_covariance_at_scan_points')
        if cov_B_at_scan_points is not None:
            from scitbx.array_family import flex
            cov_B_at_scan_points = flex.double(cov_B_at_scan_points).as_1d()
            cov_B_at_scan_points.reshape(flex.grid(xl.num_scan_points, 9, 9))
            xl.set_B_covariance_at_scan_points(cov_B_at_scan_points)

        return xl
Exemple #2
0
    def from_dict(d):
        ''' Convert the dictionary to a crystal model

    Params:
        d The dictionary of parameters

    Returns:
        The crystal model

    '''
        from dxtbx.model import Crystal

        # If None, return None
        if d is None:
            return None

        # Check the version and id
        if str(d['__id__']) != "crystal":
            raise ValueError("\"__id__\" does not equal \"crystal\"")

        # Extract from the dictionary
        real_space_a = d['real_space_a']
        real_space_b = d['real_space_b']
        real_space_c = d['real_space_c']
        # str required to force unicode to ascii conversion
        space_group = str("Hall:" + d['space_group_hall_symbol'])
        xl = Crystal(real_space_a,
                     real_space_b,
                     real_space_c,
                     space_group_symbol=space_group)
        # New parameters for maximum likelihood values
        try:
            xl._ML_half_mosaicity_deg = d['ML_half_mosaicity_deg']
        except KeyError:
            pass
        try:
            xl._ML_domain_size_ang = d['ML_domain_size_ang']
        except KeyError:
            pass

        # Isoforms used for stills
        try:
            xl.identified_isoform = d['identified_isoform']
        except KeyError:
            pass

        # Extract scan point setting matrices, if present
        try:
            A_at_scan_points = d['A_at_scan_points']
            xl.set_A_at_scan_points(A_at_scan_points)
        except KeyError:
            pass

        # Extract covariance of B, if present
        try:
            cov_B = d['B_covariance']
            xl.set_B_covariance(cov_B)
        except KeyError:
            pass

        # Extract mosaicity, if present
        try:
            mosaicity = d['mosaicity']
            xl.set_mosaicity(mosaicity)
        except KeyError:
            pass

        return xl