#!/usr/bin/env python """ 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, University of Tennessee """ """ Provide functionality for a C extension model WARNING: THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY DO NOT MODIFY THIS FILE, MODIFY ..\c_extensions\lamellarPS_HG.h AND RE-RUN THE GENERATOR SCRIPT """ from sans.models.BaseComponent import BaseComponent from sans_extension.c_models import CLamellarPSHGModel import copy class LamellarPSHGModel(CLamellarPSHGModel, BaseComponent): """ Class that evaluates a LamellarPSHGModel model. This file was auto-generated from ..\c_extensions\lamellarPS_HG.h. Refer to that file and the structure it contains for details of the model. List of default parameters: scale = 1.0 spacing = 40.0 [A] deltaT = 10.0 [A] deltaH = 2.0 [A] sld_tail = 4e-007 [1/A^(2)] sld_head = 2e-006 [1/A^(2)] sld_solvent = 6e-006 [1/A^(2)] n_plates = 30.0 caille = 0.001 background = 0.001 [1/cm] """ def __init__(self): """ Initialization """ # Initialize BaseComponent first, then sphere BaseComponent.__init__(self) CLamellarPSHGModel.__init__(self) ## Name of the model self.name = "LamellarPSHGModel" ## Model description self.description ="""[Concentrated Lamellar (head+tail) Form Factor]: Calculates the intensity from a lyotropic lamellar phase. The intensity (form factor and structure factor) calculated is for lamellae of two-layer scattering length density that are randomly distributed in solution (a powder average). The scattering length density of the tail region, headgroup region, and solvent are taken to be different. The model can also be applied to large, multi-lamellar vesicles. No resolution smeared version is included in the structure factor of this model. *Parameters: spacing = repeat spacing, deltaT = tail length, deltaH = headgroup thickness, n_plates = # of Lamellar plates caille = Caille parameter (<0.8 or <1) background = incoherent bgd scale = scale factor ...""" ## Parameter details [units, min, max] self.details = {} self.details['scale'] = ['', None, None] self.details['spacing'] = ['[A]', None, None] self.details['deltaT'] = ['[A]', None, None] self.details['deltaH'] = ['[A]', None, None] self.details['sld_tail'] = ['[1/A^(2)]', None, None] self.details['sld_head'] = ['[1/A^(2)]', None, None] self.details['sld_solvent'] = ['[1/A^(2)]', None, None] self.details['n_plates'] = ['', None, None] self.details['caille'] = ['', None, None] self.details['background'] = ['[1/cm]', None, None] ## fittable parameters self.fixed=['deltaT.width', 'deltaH.width', 'spacing.width'] ## parameters with orientation self.orientation_params =[] def clone(self): """ Return a identical copy of self """ return self._clone(LamellarPSHGModel()) def __getstate__(self): """ return object state for pickling and copying """ model_state = {'params': self.params, 'dispersion': self.dispersion, 'log': self.log} return self.__dict__, model_state def __setstate__(self, state): """ create object from pickled state """ self.__dict__, model_state = state self.params = model_state['params'] self.dispersion = model_state['dispersion'] self.log = model_state['log'] def run(self, x = 0.0): """ Evaluate the model @param x: input q, or [q,phi] @return: scattering function P(q) """ return CLamellarPSHGModel.run(self, x) 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 CLamellarPSHGModel.runXY(self, x) def evalDistribution(self, x = []): """ Evaluate the model in cartesian coordinates @param x: input q[], or [qx[], qy[]] @return: scattering function P(q[]) """ return CLamellarPSHGModel.evalDistribution(self, x) def calculate_ER(self): """ Calculate the effective radius for P(q)*S(q) @return: the value of the effective radius """ return CLamellarPSHGModel.calculate_ER(self) def set_dispersion(self, parameter, dispersion): """ Set the dispersion object for a model parameter @param parameter: name of the parameter [string] @dispersion: dispersion object of type DispersionModel """ return CLamellarPSHGModel.set_dispersion(self, parameter, dispersion.cdisp) # End of file