source: sasview/sansmodels/src/sans/models/NewCylinderModel.py @ 0d86fecb

#!/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/cylinder.h
                 AND RE-RUN THE GENERATOR SCRIPT

"""

from sans.models.BaseModel import BaseModel, Parameter, ParameterProperty
from sans_extension.c_models import CCylinderModel
import copy    
    
class CylinderModel(CCylinderModel, BaseModel):
    """ Class that evaluates a CylinderModel model. 
        This file was auto-generated from ../c_extensions/cylinder.h.
        Refer to that file and the structure it contains
        for details of the model.
        List of default parameters:
         scale           = 1.0 
         radius          = 20.0 A
         length          = 400.0 A
         contrast        = 3e-006 A-2
         background      = 0.0 cm-1
         cyl_theta       = 1.0 rad
         cyl_phi         = 1.0 rad

    """
    scale      = ParameterProperty('scale')
    radius     = ParameterProperty('radius')
    length     = ParameterProperty('length')
    contrast   = ParameterProperty('contrast')
    background = ParameterProperty('background')
    cyl_theta  = ParameterProperty('cyl_theta')
    cyl_phi    = ParameterProperty('cyl_phi')
        
    def __init__(self):
        """ Initialization """
        
        # Initialize BaseComponent first, then sphere
        CCylinderModel.__init__(self)
        BaseModel.__init__(self)
        
        ## Name of the model
        self.name = "CylinderModel"

                ## Parameter details [units, min, max]
        self.details = {}
        self.details['scale'] = ['', None, None]
        self.details['radius'] = ['A', None, None]
        self.details['length'] = ['A', None, None]
        self.details['contrast'] = ['A-2', None, None]
        self.details['background'] = ['cm-1', None, None]
        self.details['cyl_theta'] = ['rad', None, None]
        self.details['cyl_phi'] = ['rad', None, None]
        #list of parameter that cannot be fitted
        self.fixed= []
        # The C models have a self.params dictionary
        for item in self.params:
            self.parameters[item] = Parameter(item, self.params[item])

    def clone(self):
        """ Return a identical copy of self """
        obj = CylinderModel()
        obj.params = copy.deepcopy(self.params)
        return obj   
   
    def run(self, x = 0.0):
        """ Evaluate the model
            @param x: input q, or [q,phi]
            @return: scattering function P(q)
        """
        
        return CCylinderModel.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 CCylinderModel.runXY(self, x)
        
    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 CCylinderModel.set_dispersion(self, parameter, dispersion.cdisp)