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51  <h1>Source code for sas.models.LogNormal</h1><div class="highlight"><pre>
52<span class="c">##############################################################################</span>
53<span class="c"># This software was developed by the University of Tennessee as part of the</span>
54<span class="c"># Distributed Data Analysis of Neutron Scattering Experiments (DANSE)</span>
55<span class="c"># project funded by the US National Science Foundation.</span>
56<span class="c">#</span>
57<span class="c"># If you use DANSE applications to do scientific research that leads to</span>
58<span class="c"># publication, we ask that you acknowledge the use of the software with the</span>
59<span class="c"># following sentence:</span>
60<span class="c">#</span>
61<span class="c"># This work benefited from DANSE software developed under NSF award DMR-0520547</span>
62<span class="c">#</span>
63<span class="c"># Copyright 2008-2011, University of Tennessee</span>
64<span class="c">##############################################################################</span>
65
66<span class="sd">&quot;&quot;&quot; </span>
67<span class="sd">Provide functionality for a C extension model</span>
68
69<span class="sd">.. WARNING::</span>
70
71<span class="sd">   THIS FILE WAS GENERATED BY WRAPPERGENERATOR.PY</span>
72<span class="sd">   DO NOT MODIFY THIS FILE, MODIFY</span>
73<span class="sd">   src/sas/models/include/logNormal.h</span>
74<span class="sd">   AND RE-RUN THE GENERATOR SCRIPT</span>
75<span class="sd">&quot;&quot;&quot;</span>
76
77<span class="kn">from</span> <span class="nn">sas.models.BaseComponent</span> <span class="kn">import</span> <span class="n">BaseComponent</span>
78<span class="kn">from</span> <span class="nn">sas.models.sas_extension.c_models</span> <span class="kn">import</span> <span class="n">CLogNormal</span>
79
80<div class="viewcode-block" id="create_LogNormal"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.create_LogNormal">[docs]</a><span class="k">def</span> <span class="nf">create_LogNormal</span><span class="p">():</span>
81    <span class="sd">&quot;&quot;&quot;</span>
82<span class="sd">       Create a model instance</span>
83<span class="sd">    &quot;&quot;&quot;</span>
84    <span class="n">obj</span> <span class="o">=</span> <span class="n">LogNormal</span><span class="p">()</span>
85    <span class="c"># CLogNormal.__init__(obj) is called by</span>
86    <span class="c"># the LogNormal constructor</span>
87    <span class="k">return</span> <span class="n">obj</span>
88</div>
89<div class="viewcode-block" id="LogNormal"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.LogNormal">[docs]</a><span class="k">class</span> <span class="nc">LogNormal</span><span class="p">(</span><span class="n">CLogNormal</span><span class="p">,</span> <span class="n">BaseComponent</span><span class="p">):</span>
90    <span class="sd">&quot;&quot;&quot; </span>
91<span class="sd">    Class that evaluates a LogNormal model. </span>
92<span class="sd">    This file was auto-generated from src/sas/models/include/logNormal.h.</span>
93<span class="sd">    Refer to that file and the structure it contains</span>
94<span class="sd">    for details of the model.</span>
95<span class="sd">    </span>
96<span class="sd">    List of default parameters:</span>
97
98<span class="sd">    * scale           = 1.0 </span>
99<span class="sd">    * sigma           = 1.0 </span>
100<span class="sd">    * center          = 0.0 </span>
101
102<span class="sd">    &quot;&quot;&quot;</span>
103       
104    <span class="k">def</span> <span class="nf">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">multfactor</span><span class="o">=</span><span class="mi">1</span><span class="p">):</span>
105        <span class="sd">&quot;&quot;&quot; Initialization &quot;&quot;&quot;</span>
106        <span class="bp">self</span><span class="o">.</span><span class="n">__dict__</span> <span class="o">=</span> <span class="p">{}</span>
107       
108        <span class="c"># Initialize BaseComponent first, then sphere</span>
109        <span class="n">BaseComponent</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
110        <span class="c">#apply(CLogNormal.__init__, (self,)) </span>
111
112        <span class="n">CLogNormal</span><span class="o">.</span><span class="n">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
113        <span class="bp">self</span><span class="o">.</span><span class="n">is_multifunc</span> <span class="o">=</span> <span class="bp">False</span>
114                       
115        <span class="c">## Name of the model</span>
116        <span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="s">&quot;LogNormal&quot;</span>
117        <span class="c">## Model description</span>
118        <span class="bp">self</span><span class="o">.</span><span class="n">description</span> <span class="o">=</span> <span class="s">&quot;&quot;&quot;</span>
119<span class="s">        f(x)=scale * 1/(sigma*math.sqrt(2pi))e^(-1/2*((math.log(x)-mu)/sigma)^2)</span>
120<span class="s">        &quot;&quot;&quot;</span>
121       
122        <span class="c">## Parameter details [units, min, max]</span>
123        <span class="bp">self</span><span class="o">.</span><span class="n">details</span> <span class="o">=</span> <span class="p">{}</span>
124        <span class="bp">self</span><span class="o">.</span><span class="n">details</span><span class="p">[</span><span class="s">&#39;scale&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="s">&#39;&#39;</span><span class="p">,</span> <span class="bp">None</span><span class="p">,</span> <span class="bp">None</span><span class="p">]</span>
125        <span class="bp">self</span><span class="o">.</span><span class="n">details</span><span class="p">[</span><span class="s">&#39;sigma&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="s">&#39;&#39;</span><span class="p">,</span> <span class="bp">None</span><span class="p">,</span> <span class="bp">None</span><span class="p">]</span>
126        <span class="bp">self</span><span class="o">.</span><span class="n">details</span><span class="p">[</span><span class="s">&#39;center&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="p">[</span><span class="s">&#39;&#39;</span><span class="p">,</span> <span class="bp">None</span><span class="p">,</span> <span class="bp">None</span><span class="p">]</span>
127
128        <span class="c">## fittable parameters</span>
129        <span class="bp">self</span><span class="o">.</span><span class="n">fixed</span> <span class="o">=</span> <span class="p">[]</span>
130       
131        <span class="c">## non-fittable parameters</span>
132        <span class="bp">self</span><span class="o">.</span><span class="n">non_fittable</span> <span class="o">=</span> <span class="p">[]</span>
133       
134        <span class="c">## parameters with orientation</span>
135        <span class="bp">self</span><span class="o">.</span><span class="n">orientation_params</span> <span class="o">=</span> <span class="p">[]</span>
136
137        <span class="c">## parameters with magnetism</span>
138        <span class="bp">self</span><span class="o">.</span><span class="n">magnetic_params</span> <span class="o">=</span> <span class="p">[]</span>
139
140        <span class="bp">self</span><span class="o">.</span><span class="n">category</span> <span class="o">=</span> <span class="bp">None</span>
141        <span class="bp">self</span><span class="o">.</span><span class="n">multiplicity_info</span> <span class="o">=</span> <span class="bp">None</span>
142       
143    <span class="k">def</span> <span class="nf">__setstate__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">state</span><span class="p">):</span>
144        <span class="sd">&quot;&quot;&quot;</span>
145<span class="sd">        restore the state of a model from pickle</span>
146<span class="sd">        &quot;&quot;&quot;</span>
147        <span class="bp">self</span><span class="o">.</span><span class="n">__dict__</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">dispersion</span> <span class="o">=</span> <span class="n">state</span>
148       
149    <span class="k">def</span> <span class="nf">__reduce_ex__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">proto</span><span class="p">):</span>
150        <span class="sd">&quot;&quot;&quot;</span>
151<span class="sd">        Overwrite the __reduce_ex__ of PyTypeObject *type call in the init of </span>
152<span class="sd">        c model.</span>
153<span class="sd">        &quot;&quot;&quot;</span>
154        <span class="n">state</span> <span class="o">=</span> <span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">__dict__</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">params</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">dispersion</span><span class="p">)</span>
155        <span class="k">return</span> <span class="p">(</span><span class="n">create_LogNormal</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">(),</span> <span class="n">state</span><span class="p">,</span> <span class="bp">None</span><span class="p">,</span> <span class="bp">None</span><span class="p">)</span>
156       
157<div class="viewcode-block" id="LogNormal.clone"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.LogNormal.clone">[docs]</a>    <span class="k">def</span> <span class="nf">clone</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
158        <span class="sd">&quot;&quot;&quot; Return a identical copy of self &quot;&quot;&quot;</span>
159        <span class="k">return</span> <span class="bp">self</span><span class="o">.</span><span class="n">_clone</span><span class="p">(</span><span class="n">LogNormal</span><span class="p">())</span>   
160        </div>
161<div class="viewcode-block" id="LogNormal.run"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.LogNormal.run">[docs]</a>    <span class="k">def</span> <span class="nf">run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="o">=</span><span class="mf">0.0</span><span class="p">):</span>
162        <span class="sd">&quot;&quot;&quot; </span>
163<span class="sd">        Evaluate the model</span>
164<span class="sd">        </span>
165<span class="sd">        :param x: input q, or [q,phi]</span>
166<span class="sd">        </span>
167<span class="sd">        :return: scattering function P(q)</span>
168<span class="sd">        </span>
169<span class="sd">        &quot;&quot;&quot;</span>
170        <span class="k">return</span> <span class="n">CLogNormal</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
171   </div>
172<div class="viewcode-block" id="LogNormal.runXY"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.LogNormal.runXY">[docs]</a>    <span class="k">def</span> <span class="nf">runXY</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="o">=</span><span class="mf">0.0</span><span class="p">):</span>
173        <span class="sd">&quot;&quot;&quot; </span>
174<span class="sd">        Evaluate the model in cartesian coordinates</span>
175<span class="sd">        </span>
176<span class="sd">        :param x: input q, or [qx, qy]</span>
177<span class="sd">        </span>
178<span class="sd">        :return: scattering function P(q)</span>
179<span class="sd">        </span>
180<span class="sd">        &quot;&quot;&quot;</span>
181        <span class="k">return</span> <span class="n">CLogNormal</span><span class="o">.</span><span class="n">runXY</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
182        </div>
183<div class="viewcode-block" id="LogNormal.evalDistribution"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.LogNormal.evalDistribution">[docs]</a>    <span class="k">def</span> <span class="nf">evalDistribution</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">):</span>
184        <span class="sd">&quot;&quot;&quot; </span>
185<span class="sd">        Evaluate the model in cartesian coordinates</span>
186<span class="sd">        </span>
187<span class="sd">        :param x: input q[], or [qx[], qy[]]</span>
188<span class="sd">        </span>
189<span class="sd">        :return: scattering function P(q[])</span>
190<span class="sd">        </span>
191<span class="sd">        &quot;&quot;&quot;</span>
192        <span class="k">return</span> <span class="n">CLogNormal</span><span class="o">.</span><span class="n">evalDistribution</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">x</span><span class="p">)</span>
193        </div>
194<div class="viewcode-block" id="LogNormal.calculate_ER"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.LogNormal.calculate_ER">[docs]</a>    <span class="k">def</span> <span class="nf">calculate_ER</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
195        <span class="sd">&quot;&quot;&quot; </span>
196<span class="sd">        Calculate the effective radius for P(q)*S(q)</span>
197<span class="sd">        </span>
198<span class="sd">        :return: the value of the effective radius</span>
199<span class="sd">        </span>
200<span class="sd">        &quot;&quot;&quot;</span>       
201        <span class="k">return</span> <span class="n">CLogNormal</span><span class="o">.</span><span class="n">calculate_ER</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
202        </div>
203<div class="viewcode-block" id="LogNormal.calculate_VR"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.LogNormal.calculate_VR">[docs]</a>    <span class="k">def</span> <span class="nf">calculate_VR</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
204        <span class="sd">&quot;&quot;&quot; </span>
205<span class="sd">        Calculate the volf ratio for P(q)*S(q)</span>
206<span class="sd">        </span>
207<span class="sd">        :return: the value of the volf ratio</span>
208<span class="sd">        </span>
209<span class="sd">        &quot;&quot;&quot;</span>       
210        <span class="k">return</span> <span class="n">CLogNormal</span><span class="o">.</span><span class="n">calculate_VR</span><span class="p">(</span><span class="bp">self</span><span class="p">)</span>
211              </div>
212<div class="viewcode-block" id="LogNormal.set_dispersion"><a class="viewcode-back" href="../../../dev/api/sas.models.html#sas.models.LogNormal.LogNormal.set_dispersion">[docs]</a>    <span class="k">def</span> <span class="nf">set_dispersion</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">parameter</span><span class="p">,</span> <span class="n">dispersion</span><span class="p">):</span>
213        <span class="sd">&quot;&quot;&quot;</span>
214<span class="sd">        Set the dispersion object for a model parameter</span>
215<span class="sd">        </span>
216<span class="sd">        :param parameter: name of the parameter [string]</span>
217<span class="sd">        :param dispersion: dispersion object of type DispersionModel</span>
218<span class="sd">        </span>
219<span class="sd">        &quot;&quot;&quot;</span>
220        <span class="k">return</span> <span class="n">CLogNormal</span><span class="o">.</span><span class="n">set_dispersion</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span>
221               <span class="n">parameter</span><span class="p">,</span> <span class="n">dispersion</span><span class="o">.</span><span class="n">cdisp</span><span class="p">)</span>
222       
223   
224<span class="c"># End of file</span>
225</pre></div></div></div>
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251      <ul>
252        <li class="right" style="margin-right: 10px">
253          <a href="../../../genindex.html" title="General Index"
254             >index</a></li>
255        <li class="right" >
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257             >modules</a> |</li>
258        <li><a href="../../../index.html">SasView 3.0.0 documentation</a> &raquo;</li>
259          <li><a href="../../index.html" >Module code</a> &raquo;</li>
260          <li><a href="../models.html" >sas.models</a> &raquo;</li> 
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263    <div class="footer">
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