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56  <div class="section" id="gausslorentzgelmodel">
57<h1>GaussLorentzGelModel<a class="headerlink" href="#gausslorentzgelmodel" title="Permalink to this headline">¶</a></h1>
58<div class="section" id="module-sans.models.GaussLorentzGelModel">
59<span id="sans-models-gausslorentzgelmodel"></span><h2><a class="reference internal" href="#module-sans.models.GaussLorentzGelModel" title="sans.models.GaussLorentzGelModel"><tt class="xref py py-mod docutils literal"><span class="pre">sans.models.GaussLorentzGelModel</span></tt></a><a class="headerlink" href="#module-sans.models.GaussLorentzGelModel" title="Permalink to this headline">¶</a></h2>
60<p>Provide I(q) = I_0 exp ( - R_g^2 q^2 / 3.0)
61GaussLorentzGel function as a BaseComponent model</p>
62<dl class="class">
63<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel">
64<em class="property">class </em><tt class="descclassname">sans.models.GaussLorentzGelModel.</tt><tt class="descname">GaussLorentzGelModel</tt><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel" title="Permalink to this definition">¶</a></dt>
65<dd><p>Bases: <a class="reference internal" href="BaseComponent.html#sans.models.BaseComponent.BaseComponent" title="sans.models.BaseComponent.BaseComponent"><tt class="xref py py-class docutils literal"><span class="pre">sans.models.BaseComponent.BaseComponent</span></tt></a></p>
66<p>Class that evaluates a GaussLorentzGel model.</p>
67<dl class="docutils">
68<dt>I(q) = scale_g*exp(- q^2*Z^2 / 2)+scale_l/(1+q^2*z^2)</dt>
69<dd><ul class="first last simple">
70<li>background</li>
71</ul>
72</dd>
73<dt>List of default parameters:</dt>
74<dd>scale_g = Gauss scale factor
75Z = Static correlation length
76scale_l = Lorentzian scale factor
77z = Dynamic correlation length
78background = Incoherent background</dd>
79</dl>
80<dl class="method">
81<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.calculate_ER">
82<tt class="descname">calculate_ER</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.calculate_ER" title="Permalink to this definition">¶</a></dt>
83<dd></dd></dl>
84
85<dl class="method">
86<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.clone">
87<tt class="descname">clone</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.clone" title="Permalink to this definition">¶</a></dt>
88<dd><p>Returns a new object identical to the current object</p>
89</dd></dl>
90
91<dl class="method">
92<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.evalDistribution">
93<tt class="descname">evalDistribution</tt><big>(</big><em>qdist</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.evalDistribution" title="Permalink to this definition">¶</a></dt>
94<dd><p>Evaluate a distribution of q-values.</p>
95<ul>
96<li><p class="first">For 1D, a numpy array is expected as input:</p>
97<blockquote>
98<div><p>evalDistribution(q)</p>
99</div></blockquote>
100</li>
101</ul>
102<p>where q is a numpy array.</p>
103<ul class="simple">
104<li>For 2D, a list of numpy arrays are expected: [qx_prime,qy_prime],
105where 1D arrays,</li>
106</ul>
107<p>qx_prime = [ qx[0], qx[1], qx[2], ....]
108and
109qy_prime = [ qy[0], qy[1], qy[2], ....]</p>
110<p>Then get
111q = numpy.sqrt(qx_prime^2+qy_prime^2)</p>
112<p>that is a qr in 1D array;
113q = [q[0], q[1], q[2], ....]</p>
114<table class="docutils field-list" frame="void" rules="none">
115<col class="field-name" />
116<col class="field-body" />
117<tbody valign="top">
118<tr class="field"><th class="field-name">Note :</th><td class="field-body"><p class="first">Due to 2D speed issue, no anisotropic scattering
119is supported for python models, thus C-models should have</p>
120<blockquote class="last">
121<div><p>their own evalDistribution methods.</p>
122</div></blockquote>
123</td>
124</tr>
125</tbody>
126</table>
127<p>The method is then called the following way:</p>
128<p>evalDistribution(q)
129where q is a numpy array.</p>
130<table class="docutils field-list" frame="void" rules="none">
131<col class="field-name" />
132<col class="field-body" />
133<tbody valign="top">
134<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><strong>qdist</strong> &#8211; ndarray of scalar q-values or list [qx,qy]
135where qx,qy are 1D ndarrays</td>
136</tr>
137</tbody>
138</table>
139</dd></dl>
140
141<dl class="method">
142<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getDispParamList">
143<tt class="descname">getDispParamList</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getDispParamList" title="Permalink to this definition">¶</a></dt>
144<dd><p>Return a list of all available parameters for the model</p>
145</dd></dl>
146
147<dl class="method">
148<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getParam">
149<tt class="descname">getParam</tt><big>(</big><em>name</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getParam" title="Permalink to this definition">¶</a></dt>
150<dd><p>Set the value of a model parameter</p>
151<table class="docutils field-list" frame="void" rules="none">
152<col class="field-name" />
153<col class="field-body" />
154<tbody valign="top">
155<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><strong>name</strong> &#8211; name of the parameter</td>
156</tr>
157</tbody>
158</table>
159</dd></dl>
160
161<dl class="method">
162<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getParamList">
163<tt class="descname">getParamList</tt><big>(</big><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getParamList" title="Permalink to this definition">¶</a></dt>
164<dd><p>Return a list of all available parameters for the model</p>
165</dd></dl>
166
167<dl class="method">
168<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getParamListWithToken">
169<tt class="descname">getParamListWithToken</tt><big>(</big><em>token</em>, <em>member</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getParamListWithToken" title="Permalink to this definition">¶</a></dt>
170<dd></dd></dl>
171
172<dl class="method">
173<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getParamWithToken">
174<tt class="descname">getParamWithToken</tt><big>(</big><em>name</em>, <em>token</em>, <em>member</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.getParamWithToken" title="Permalink to this definition">¶</a></dt>
175<dd></dd></dl>
176
177<dl class="method">
178<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.is_fittable">
179<tt class="descname">is_fittable</tt><big>(</big><em>par_name</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.is_fittable" title="Permalink to this definition">¶</a></dt>
180<dd><p>Check if a given parameter is fittable or not</p>
181<table class="docutils field-list" frame="void" rules="none">
182<col class="field-name" />
183<col class="field-body" />
184<tbody valign="top">
185<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><strong>par_name</strong> &#8211; the parameter name to check</td>
186</tr>
187</tbody>
188</table>
189</dd></dl>
190
191<dl class="method">
192<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.run">
193<tt class="descname">run</tt><big>(</big><em>x=0.0</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.run" title="Permalink to this definition">¶</a></dt>
194<dd><p>Evaluate the model
195&#64;param x: input q-value (float or [float, float] as [r, theta])
196&#64;return: (guinier value)</p>
197</dd></dl>
198
199<dl class="method">
200<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.runXY">
201<tt class="descname">runXY</tt><big>(</big><em>x=0.0</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.runXY" title="Permalink to this definition">¶</a></dt>
202<dd><p>Evaluate the model
203&#64;param x: input q-value (float or [float, float] as [qx, qy])
204&#64;return: guinier value</p>
205</dd></dl>
206
207<dl class="method">
208<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.setParam">
209<tt class="descname">setParam</tt><big>(</big><em>name</em>, <em>value</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.setParam" title="Permalink to this definition">¶</a></dt>
210<dd><p>Set the value of a model parameter</p>
211<table class="docutils field-list" frame="void" rules="none">
212<col class="field-name" />
213<col class="field-body" />
214<tbody valign="top">
215<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
216<li><strong>name</strong> &#8211; name of the parameter</li>
217<li><strong>value</strong> &#8211; value of the parameter</li>
218</ul>
219</td>
220</tr>
221</tbody>
222</table>
223</dd></dl>
224
225<dl class="method">
226<dt id="sans.models.GaussLorentzGelModel.GaussLorentzGelModel.setParamWithToken">
227<tt class="descname">setParamWithToken</tt><big>(</big><em>name</em>, <em>value</em>, <em>token</em>, <em>member</em><big>)</big><a class="headerlink" href="#sans.models.GaussLorentzGelModel.GaussLorentzGelModel.setParamWithToken" title="Permalink to this definition">¶</a></dt>
228<dd></dd></dl>
229
230</dd></dl>
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