source: sasview/sansmodels/src/sans/models/OblateModel.py @ 96b59384

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Last change on this file since 96b59384 was 27a0771, checked in by Gervaise Alina <gervyh@…>, 15 years ago

add more models

  • Property mode set to 100644
File size: 4.0 KB
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1#!/usr/bin/env python
2"""
3        This software was developed by the University of Tennessee as part of the
4        Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
5        project funded by the US National Science Foundation.
6
7        If you use DANSE applications to do scientific research that leads to
8        publication, we ask that you acknowledge the use of the software with the
9        following sentence:
10
11        "This work benefited from DANSE software developed under NSF award DMR-0520547."
12
13        copyright 2008, University of Tennessee
14"""
15
16""" Provide functionality for a C extension model
17
18        WARNING: THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY
19                 DO NOT MODIFY THIS FILE, MODIFY ..\c_extensions\oblate.h
20                 AND RE-RUN THE GENERATOR SCRIPT
21
22"""
23
24from sans.models.BaseComponent import BaseComponent
25from sans_extension.c_models import COblateModel
26import copy   
27   
28class OblateModel(COblateModel, BaseComponent):
29    """ Class that evaluates a OblateModel model.
30        This file was auto-generated from ..\c_extensions\oblate.h.
31        Refer to that file and the structure it contains
32        for details of the model.
33        List of default parameters:
34         scale           = 1.0
35         major_core      = 200.0 [A]
36         minor_core      = 20.0 [A]
37         major_shell     = 250.0 [A]
38         minor_shell     = 30.0 [A]
39         contrast        = 1e-006 [1/A²]
40         sld_solvent     = 6.3e-006 [1/A²]
41         background      = 0.001 [1/cm]
42         axis_theta      = 1.0 [rad]
43         axis_phi        = 1.0 [rad]
44
45    """
46       
47    def __init__(self):
48        """ Initialization """
49       
50        # Initialize BaseComponent first, then sphere
51        BaseComponent.__init__(self)
52        COblateModel.__init__(self)
53       
54        ## Name of the model
55        self.name = "OblateModel"
56        ## Model description
57        self.description =""" Calculates the form factor for an oblate ellipsoid particle with a core/shell structure.
58                Note:It is the users' responsibility to ensure that shell radii are larger than core radii, and"""
59       
60                ## Parameter details [units, min, max]
61        self.details = {}
62        self.details['scale'] = ['', None, None]
63        self.details['major_core'] = ['[A]', None, None]
64        self.details['minor_core'] = ['[A]', None, None]
65        self.details['major_shell'] = ['[A]', None, None]
66        self.details['minor_shell'] = ['[A]', None, None]
67        self.details['contrast'] = ['[1/A²]', None, None]
68        self.details['sld_solvent'] = ['[1/A²]', None, None]
69        self.details['background'] = ['[1/cm]', None, None]
70        self.details['axis_theta'] = ['[rad]', None, None]
71        self.details['axis_phi'] = ['[rad]', None, None]
72
73                ## fittable parameters
74        self.fixed=['axis_phi.width', 'axis_theta.width', 'major_core.width', 'minor_core.width', 'major_shell', 'minor_shell']
75       
76        ## parameters with orientation
77        self.orientation_params =['axis_phi', 'axis_theta', 'axis_phi.width', 'axis_theta.width']
78   
79    def clone(self):
80        """ Return a identical copy of self """
81        return self._clone(OblateModel())   
82   
83    def run(self, x = 0.0):
84        """ Evaluate the model
85            @param x: input q, or [q,phi]
86            @return: scattering function P(q)
87        """
88       
89        return COblateModel.run(self, x)
90   
91    def runXY(self, x = 0.0):
92        """ Evaluate the model in cartesian coordinates
93            @param x: input q, or [qx, qy]
94            @return: scattering function P(q)
95        """
96       
97        return COblateModel.runXY(self, x)
98       
99    def set_dispersion(self, parameter, dispersion):
100        """
101            Set the dispersion object for a model parameter
102            @param parameter: name of the parameter [string]
103            @dispersion: dispersion object of type DispersionModel
104        """
105        return COblateModel.set_dispersion(self, parameter, dispersion.cdisp)
106       
107   
108# End of file
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