source: sasview/sansmodels/src/sans/models/ReflModel.py @ 2e2452b

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Last change on this file since 2e2452b was 0b082f3, checked in by Mathieu Doucet <doucetm@…>, 12 years ago

Re #7 Enable openmp for all models
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1#!/usr/bin/env python
2
3##############################################################################
4#       This software was developed by the University of Tennessee as part of the
5#       Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
6#       project funded by the US National Science Foundation.
7#
8#       If you use DANSE applications to do scientific research that leads to
9#       publication, we ask that you acknowledge the use of the software with the
10#       following sentence:
11#
12#       "This work benefited from DANSE software developed under NSF award DMR-0520547."
13#
14#       copyright 2008, University of Tennessee
15##############################################################################
16
17
18"""
19Provide functionality for a C extension model
20
21:WARNING: THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY
22         DO NOT MODIFY THIS FILE, MODIFY ../c_extensions/refl.h
23         AND RE-RUN THE GENERATOR SCRIPT
24
25"""
26
27from sans.models.BaseComponent import BaseComponent
28from sans.models.sans_extension.c_models import CReflModel
29import copy   
30
31def create_ReflModel():
32    obj = ReflModel()
33    #CReflModel.__init__(obj) is called by ReflModel constructor
34    return obj
35
36class ReflModel(CReflModel, BaseComponent):
37    """
38    Class that evaluates a ReflModel model.
39    This file was auto-generated from ../c_extensions/refl.h.
40    Refer to that file and the structure it contains
41    for details of the model.
42    List of default parameters:
43         n_layers        = 1.0
44         scale           = 1.0
45         thick_inter0    = 1.0 [A]
46         func_inter0     = 0.0
47         sld_bottom0     = 2.07e-06 [1/A^(2)]
48         sld_medium      = 1e-06 [1/A^(2)]
49         background      = 0.0
50         sld_flat1       = 4e-06 [1/A^(2)]
51         sld_flat2       = 3.5e-06 [1/A^(2)]
52         sld_flat3       = 4e-06 [1/A^(2)]
53         sld_flat4       = 3.5e-06 [1/A^(2)]
54         sld_flat5       = 4e-06 [1/A^(2)]
55         sld_flat6       = 3.5e-06 [1/A^(2)]
56         sld_flat7       = 4e-06 [1/A^(2)]
57         sld_flat8       = 3.5e-06 [1/A^(2)]
58         sld_flat9       = 4e-06 [1/A^(2)]
59         sld_flat10      = 3.5e-06 [1/A^(2)]
60         thick_inter1    = 1.0 [A]
61         thick_inter2    = 1.0 [A]
62         thick_inter3    = 1.0 [A]
63         thick_inter4    = 1.0 [A]
64         thick_inter5    = 1.0 [A]
65         thick_inter6    = 1.0 [A]
66         thick_inter7    = 1.0 [A]
67         thick_inter8    = 1.0 [A]
68         thick_inter9    = 1.0 [A]
69         thick_inter10   = 1.0 [A]
70         thick_flat1     = 10.0 [A]
71         thick_flat2     = 100.0 [A]
72         thick_flat3     = 100.0 [A]
73         thick_flat4     = 100.0 [A]
74         thick_flat5     = 100.0 [A]
75         thick_flat6     = 100.0 [A]
76         thick_flat7     = 100.0 [A]
77         thick_flat8     = 100.0 [A]
78         thick_flat9     = 100.0 [A]
79         thick_flat10    = 100.0 [A]
80         func_inter1     = 0.0
81         func_inter2     = 0.0
82         func_inter3     = 0.0
83         func_inter4     = 0.0
84         func_inter5     = 0.0
85         func_inter6     = 0.0
86         func_inter7     = 0.0
87         func_inter8     = 0.0
88         func_inter9     = 0.0
89         func_inter10    = 0.0
90
91    """
92       
93    def __init__(self):
94        """ Initialization """
95       
96        # Initialize BaseComponent first, then sphere
97        BaseComponent.__init__(self)
98        #apply(CReflModel.__init__, (self,))
99        CReflModel.__init__(self)
100       
101        ## Name of the model
102        self.name = "ReflModel"
103        ## Model description
104        self.description ="""Calculate neutron reflectivity using the Parratt iterative formula
105                Parameters:
106                background:background
107                scale: scale factor
108                sld_bottom0: the SLD of the substrate
109                sld_medium: the SLD of the incident medium
110                or superstrate
111                sld_flatN: the SLD of the flat region of
112                the N'th layer
113                thick_flatN: the thickness of the flat
114                region of the N'th layer
115                func_interN: the function used to describe
116                the interface of the N'th layer
117                thick_interN: the thickness of the interface
118                of the N'th layer
119                Note: the layer number starts to increase
120                from the bottom (substrate) to the top."""
121       
122        ## Parameter details [units, min, max]
123        self.details = {}
124        self.details['n_layers'] = ['', None, None]
125        self.details['scale'] = ['', None, None]
126        self.details['thick_inter0'] = ['[A]', None, None]
127        self.details['func_inter0'] = ['', None, None]
128        self.details['sld_bottom0'] = ['[1/A^(2)]', None, None]
129        self.details['sld_medium'] = ['[1/A^(2)]', None, None]
130        self.details['background'] = ['', None, None]
131        self.details['sld_flat1'] = ['[1/A^(2)]', None, None]
132        self.details['sld_flat2'] = ['[1/A^(2)]', None, None]
133        self.details['sld_flat3'] = ['[1/A^(2)]', None, None]
134        self.details['sld_flat4'] = ['[1/A^(2)]', None, None]
135        self.details['sld_flat5'] = ['[1/A^(2)]', None, None]
136        self.details['sld_flat6'] = ['[1/A^(2)]', None, None]
137        self.details['sld_flat7'] = ['[1/A^(2)]', None, None]
138        self.details['sld_flat8'] = ['[1/A^(2)]', None, None]
139        self.details['sld_flat9'] = ['[1/A^(2)]', None, None]
140        self.details['sld_flat10'] = ['[1/A^(2)]', None, None]
141        self.details['thick_inter1'] = ['[A]', None, None]
142        self.details['thick_inter2'] = ['[A]', None, None]
143        self.details['thick_inter3'] = ['[A]', None, None]
144        self.details['thick_inter4'] = ['[A]', None, None]
145        self.details['thick_inter5'] = ['[A]', None, None]
146        self.details['thick_inter6'] = ['[A]', None, None]
147        self.details['thick_inter7'] = ['[A]', None, None]
148        self.details['thick_inter8'] = ['[A]', None, None]
149        self.details['thick_inter9'] = ['[A]', None, None]
150        self.details['thick_inter10'] = ['[A]', None, None]
151        self.details['thick_flat1'] = ['[A]', None, None]
152        self.details['thick_flat2'] = ['[A]', None, None]
153        self.details['thick_flat3'] = ['[A]', None, None]
154        self.details['thick_flat4'] = ['[A]', None, None]
155        self.details['thick_flat5'] = ['[A]', None, None]
156        self.details['thick_flat6'] = ['[A]', None, None]
157        self.details['thick_flat7'] = ['[A]', None, None]
158        self.details['thick_flat8'] = ['[A]', None, None]
159        self.details['thick_flat9'] = ['[A]', None, None]
160        self.details['thick_flat10'] = ['[A]', None, None]
161        self.details['func_inter1'] = ['', None, None]
162        self.details['func_inter2'] = ['', None, None]
163        self.details['func_inter3'] = ['', None, None]
164        self.details['func_inter4'] = ['', None, None]
165        self.details['func_inter5'] = ['', None, None]
166        self.details['func_inter6'] = ['', None, None]
167        self.details['func_inter7'] = ['', None, None]
168        self.details['func_inter8'] = ['', None, None]
169        self.details['func_inter9'] = ['', None, None]
170        self.details['func_inter10'] = ['', None, None]
171
172        ## fittable parameters
173        self.fixed=[]
174       
175        ## non-fittable parameters
176        self.non_fittable = ['n_layers', 'func_inter0', 'func_inter1', 'func_inter2', 'func_inter3', 'func_inter4', 'func_inter5', 'func_inter5', 'func_inter7', 'func_inter8', 'func_inter9', 'func_inter10']
177       
178        ## parameters with orientation
179        self.orientation_params = []
180
181    def __setstate__(self, state):
182        """
183        restore the state of a model from pickle
184        """
185        self.__dict__, self.params, self.dispersion = state
186       
187    def __reduce_ex__(self, proto):
188        """
189        Overwrite the __reduce_ex__ of PyTypeObject *type call in the init of
190        c model.
191        """
192        state = (self.__dict__, self.params, self.dispersion)
193        return (create_ReflModel,tuple(), state, None, None)
194       
195    def clone(self):
196        """ Return a identical copy of self """
197        return self._clone(ReflModel())   
198       
199   
200    def run(self, x=0.0):
201        """
202        Evaluate the model
203       
204        :param x: input q, or [q,phi]
205       
206        :return: scattering function P(q)
207       
208        """
209       
210        return CReflModel.run(self, x)
211   
212    def runXY(self, x=0.0):
213        """
214        Evaluate the model in cartesian coordinates
215       
216        :param x: input q, or [qx, qy]
217       
218        :return: scattering function P(q)
219       
220        """
221       
222        return CReflModel.runXY(self, x)
223       
224    def evalDistribution(self, x=[]):
225        """
226        Evaluate the model in cartesian coordinates
227       
228        :param x: input q[], or [qx[], qy[]]
229       
230        :return: scattering function P(q[])
231       
232        """
233        return CReflModel.evalDistribution(self, x)
234       
235    def calculate_ER(self):
236        """
237        Calculate the effective radius for P(q)*S(q)
238       
239        :return: the value of the effective radius
240       
241        """       
242        return CReflModel.calculate_ER(self)
243       
244    def set_dispersion(self, parameter, dispersion):
245        """
246        Set the dispersion object for a model parameter
247       
248        :param parameter: name of the parameter [string]
249        :param dispersion: dispersion object of type DispersionModel
250       
251        """
252        return CReflModel.set_dispersion(self, parameter, dispersion.cdisp)
253       
254   
255# End of file
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