Source code for sas.models.RPAModel

##############################################################################
# This software was developed by the University of Tennessee as part of the
# Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
# project funded by the US National Science Foundation.
#
# If you use DANSE applications to do scientific research that leads to
# publication, we ask that you acknowledge the use of the software with the
# following sentence:
#
# This work benefited from DANSE software developed under NSF award DMR-0520547
#
# Copyright 2008-2011, University of Tennessee
##############################################################################

"""
Provide functionality for a C extension model

.. WARNING::
   THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY
   DO NOT MODIFY THIS FILE, MODIFY
   src/sas/models/include/rpa.h
   AND RE-RUN THE GENERATOR SCRIPT
"""

from sas.models.BaseComponent import BaseComponent
from sas.models.sas_extension.c_models import CRPAModel
from numpy import inf

[docs]def create_RPAModel(): """ Create a model instance """ obj = RPAModel() # CRPAModel.__init__(obj) is called by # the RPAModel constructor return obj
[docs]class RPAModel(CRPAModel, BaseComponent): """ Class that evaluates a RPAModel model. This file was auto-generated from src/sas/models/include/rpa.h. Refer to that file and the structure it contains for details of the model. List of default parameters: * lcase_n = 0.0 * ba = 5.0 * bb = 5.0 * bc = 5.0 * bd = 5.0 * Kab = -0.0004 * Kac = -0.0004 * Kad = -0.0004 * Kbc = -0.0004 * Kbd = -0.0004 * Kcd = -0.0004 * scale = 1.0 * background = 0.0 [1/cm] * Na = 1000.0 * Phia = 0.25 * va = 100.0 * La = 1e-12 * Nb = 1000.0 * Phib = 0.25 * vb = 100.0 * Lb = 1e-12 * Nc = 1000.0 * Phic = 0.25 * vc = 100.0 * Lc = 1e-12 * Nd = 1000.0 * Phid = 0.25 * vd = 100.0 * Ld = 0.0 """ def __init__(self, multfactor=1): """ Initialization """ self.__dict__ = {} # Initialize BaseComponent first, then sphere BaseComponent.__init__(self) #apply(CRPAModel.__init__, (self,)) CRPAModel.__init__(self) self.is_multifunc = False ## Name of the model self.name = "RPAModel" ## Model description self.description = """ THIS FORMALISM APPLIES TO MULTICOMPONENT POLYMER MIXTURES IN THE HOMOGENEOUS (MIXED) PHASE REGION ONLY.; CASE 0: C/D BINARY MIXTURE OF HOMOPOLYMERS CASE 1: C-D DIBLOCK COPOLYMER CASE 2: B/C/D TERNARY MIXTURE OF HOMOPOLYMERS CASE 3: B/C-D MIXTURE OF HOMOPOLYMER B AND DIBLOCK COPOLYMER C-D CASE 4: B-C-D TRIBLOCK COPOLYMER CASE 5: A/B/C/D QUATERNARY MIXTURE OF HOMOPOLYMERS CASE 6: A/B/C-D MIXTURE OF TWO HOMOPOLYMERS A/B AND A DIBLOCK C-D CASE 7: A/B-C-D MIXTURE OF A HOMOPOLYMER A AND A TRIBLOCK B-C-D CASE 8: A-B/C-D MIXTURE OF TWO DIBLOCK COPOLYMERS A-B AND C-D CASE 9: A-B-C-D FOUR-BLOCK COPOLYMER See details in the model function help """ ## Parameter details [units, min, max] self.details = {} self.details['lcase_n'] = ['', None, None] self.details['ba'] = ['', None, None] self.details['bb'] = ['', None, None] self.details['bc'] = ['', None, None] self.details['bd'] = ['', None, None] self.details['Kab'] = ['', None, None] self.details['Kac'] = ['', None, None] self.details['Kad'] = ['', None, None] self.details['Kbc'] = ['', None, None] self.details['Kbd'] = ['', None, None] self.details['Kcd'] = ['', None, None] self.details['scale'] = ['', None, None] self.details['background'] = ['[1/cm]', None, None] self.details['Na'] = ['', None, None] self.details['Phia'] = ['', None, None] self.details['va'] = ['', None, None] self.details['La'] = ['', None, None] self.details['Nb'] = ['', None, None] self.details['Phib'] = ['', None, None] self.details['vb'] = ['', None, None] self.details['Lb'] = ['', None, None] self.details['Nc'] = ['', None, None] self.details['Phic'] = ['', None, None] self.details['vc'] = ['', None, None] self.details['Lc'] = ['', None, None] self.details['Nd'] = ['', None, None] self.details['Phid'] = ['', None, None] self.details['vd'] = ['', None, None] self.details['Ld'] = ['', None, None] ## fittable parameters self.fixed = [] ## non-fittable parameters self.non_fittable = ['lcase_n', 'Na', 'Phia', 'va', 'La', 'Nb', 'Phib', 'vb', 'Lb', 'Nc', 'Phic', 'vc', 'Lc', 'Nd', 'Phid', 'vd', 'Ld'] ## parameters with orientation self.orientation_params = [] ## parameters with magnetism self.magnetic_params = [] self.category = None self.multiplicity_info = None def __setstate__(self, state): """ restore the state of a model from pickle """ self.__dict__, self.params, self.dispersion = state def __reduce_ex__(self, proto): """ Overwrite the __reduce_ex__ of PyTypeObject *type call in the init of c model. """ state = (self.__dict__, self.params, self.dispersion) return (create_RPAModel, tuple(), state, None, None)
[docs] def clone(self): """ Return a identical copy of self """ return self._clone(RPAModel())
[docs] def run(self, x=0.0): """ Evaluate the model :param x: input q, or [q,phi] :return: scattering function P(q) """ return CRPAModel.run(self, x)
[docs] def runXY(self, x=0.0): """ Evaluate the model in cartesian coordinates :param x: input q, or [qx, qy] :return: scattering function P(q) """ return CRPAModel.runXY(self, x)
[docs] def evalDistribution(self, x): """ Evaluate the model in cartesian coordinates :param x: input q[], or [qx[], qy[]] :return: scattering function P(q[]) """ return CRPAModel.evalDistribution(self, x)
[docs] def calculate_ER(self): """ Calculate the effective radius for P(q)*S(q) :return: the value of the effective radius """ return CRPAModel.calculate_ER(self)
[docs] def calculate_VR(self): """ Calculate the volf ratio for P(q)*S(q) :return: the value of the volf ratio """ return CRPAModel.calculate_VR(self)
[docs] def set_dispersion(self, parameter, dispersion): """ Set the dispersion object for a model parameter :param parameter: name of the parameter [string] :param dispersion: dispersion object of type DispersionModel """ return CRPAModel.set_dispersion(self, parameter, dispersion.cdisp) # End of file