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56  <div class="section" id="qsmearing">
57<h1>qsmearing<a class="headerlink" href="#qsmearing" title="Permalink to this headline">¶</a></h1>
58<div class="section" id="module-sans.models.qsmearing">
59<span id="sans-models-qsmearing"></span><h2><a class="reference internal" href="#module-sans.models.qsmearing" title="sans.models.qsmearing"><tt class="xref py py-mod docutils literal"><span class="pre">sans.models.qsmearing</span></tt></a><a class="headerlink" href="#module-sans.models.qsmearing" title="Permalink to this headline">¶</a></h2>
60<dl class="class">
61<dt id="sans.models.qsmearing.QSmearer">
62<em class="property">class </em><tt class="descclassname">sans.models.qsmearing.</tt><tt class="descname">QSmearer</tt><big>(</big><em>data1D</em>, <em>model=None</em><big>)</big><a class="headerlink" href="#sans.models.qsmearing.QSmearer" title="Permalink to this definition">¶</a></dt>
63<dd><p>Bases: <tt class="xref py py-class docutils literal"><span class="pre">sans.models.qsmearing._QSmearer</span></tt></p>
64<p>Adaptor for Gaussian Q smearing class and SANS data</p>
65<dl class="method">
66<dt id="sans.models.qsmearing.QSmearer.get_bin_range">
67<tt class="descname">get_bin_range</tt><big>(</big><em>q_min=None</em>, <em>q_max=None</em><big>)</big><a class="headerlink" href="#sans.models.qsmearing.QSmearer.get_bin_range" title="Permalink to this definition">¶</a></dt>
68<dd><table class="docutils field-list" frame="void" rules="none">
69<col class="field-name" />
70<col class="field-body" />
71<tbody valign="top">
72<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
73<li><strong>q_min</strong> &#8211; minimum q-value to smear</li>
74<li><strong>q_max</strong> &#8211; maximum q-value to smear</li>
75</ul>
76</td>
77</tr>
78</tbody>
79</table>
80</dd></dl>
81
82<dl class="method">
83<dt id="sans.models.qsmearing.QSmearer.get_unsmeared_range">
84<tt class="descname">get_unsmeared_range</tt><big>(</big><em>q_min</em>, <em>q_max</em><big>)</big><a class="headerlink" href="#sans.models.qsmearing.QSmearer.get_unsmeared_range" title="Permalink to this definition">¶</a></dt>
85<dd><p>Determine the range needed in unsmeared-Q to cover
86the smeared Q range
87Take 3 sigmas as the offset between smeared and unsmeared space</p>
88</dd></dl>
89
90</dd></dl>
91
92<dl class="class">
93<dt id="sans.models.qsmearing.SlitSmearer">
94<em class="property">class </em><tt class="descclassname">sans.models.qsmearing.</tt><tt class="descname">SlitSmearer</tt><big>(</big><em>data1D</em>, <em>model=None</em><big>)</big><a class="headerlink" href="#sans.models.qsmearing.SlitSmearer" title="Permalink to this definition">¶</a></dt>
95<dd><p>Bases: <tt class="xref py py-class docutils literal"><span class="pre">sans.models.qsmearing._SlitSmearer</span></tt></p>
96<p>Adaptor for slit smearing class and SANS data</p>
97<dl class="method">
98<dt id="sans.models.qsmearing.SlitSmearer.get_bin_range">
99<tt class="descname">get_bin_range</tt><big>(</big><em>q_min=None</em>, <em>q_max=None</em><big>)</big><a class="headerlink" href="#sans.models.qsmearing.SlitSmearer.get_bin_range" title="Permalink to this definition">¶</a></dt>
100<dd><table class="docutils field-list" frame="void" rules="none">
101<col class="field-name" />
102<col class="field-body" />
103<tbody valign="top">
104<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
105<li><strong>q_min</strong> &#8211; minimum q-value to smear</li>
106<li><strong>q_max</strong> &#8211; maximum q-value to smear</li>
107</ul>
108</td>
109</tr>
110</tbody>
111</table>
112</dd></dl>
113
114<dl class="method">
115<dt id="sans.models.qsmearing.SlitSmearer.get_unsmeared_range">
116<tt class="descname">get_unsmeared_range</tt><big>(</big><em>q_min</em>, <em>q_max</em><big>)</big><a class="headerlink" href="#sans.models.qsmearing.SlitSmearer.get_unsmeared_range" title="Permalink to this definition">¶</a></dt>
117<dd><p>Determine the range needed in unsmeared-Q to cover
118the smeared Q range</p>
119</dd></dl>
120
121</dd></dl>
122
123<dl class="function">
124<dt id="sans.models.qsmearing.get_qextrapolate">
125<tt class="descclassname">sans.models.qsmearing.</tt><tt class="descname">get_qextrapolate</tt><big>(</big><em>width</em>, <em>data_x</em><big>)</big><a class="headerlink" href="#sans.models.qsmearing.get_qextrapolate" title="Permalink to this definition">¶</a></dt>
126<dd><p>Make fake data_x points extrapolated outside of the data_x points</p>
127<p>: param width: array of std of q resolution
128: param Data1D.x: Data1D.x array</p>
129<p>: return new_width, data_x_ext: extrapolated width array and x array</p>
130<p>: assumption1: data_x is ordered from lower q to higher q
131: assumption2: len(data) = len(width)
132: assumption3: the distance between the data points is more compact</p>
133<blockquote>
134<div>than the size of width</div></blockquote>
135<p>: Todo1: Make sure that the assumptions are correct for Data1D
136: Todo2: This fixes the edge problem in Qsmearer but still needs to make</p>
137<blockquote>
138<div>smearer interface</div></blockquote>
139</dd></dl>
140
141<dl class="function">
142<dt id="sans.models.qsmearing.smear_selection">
143<tt class="descclassname">sans.models.qsmearing.</tt><tt class="descname">smear_selection</tt><big>(</big><em>data1D</em>, <em>model=None</em><big>)</big><a class="headerlink" href="#sans.models.qsmearing.smear_selection" title="Permalink to this definition">¶</a></dt>
144<dd><p>Creates the right type of smearer according
145to the data.</p>
146<p>The canSAS format has a rule that either
147slit smearing data OR resolution smearing data
148is available.</p>
149<p>For the present purpose, we choose the one that
150has none-zero data. If both slit and resolution
151smearing arrays are filled with good data
152(which should not happen), then we choose the
153resolution smearing data.</p>
154<table class="docutils field-list" frame="void" rules="none">
155<col class="field-name" />
156<col class="field-body" />
157<tbody valign="top">
158<tr class="field"><th class="field-name">Parameters:</th><td class="field-body"><ul class="first last simple">
159<li><strong>data1D</strong> &#8211; Data1D object</li>
160<li><strong>model</strong> &#8211; sans.model instance</li>
161</ul>
162</td>
163</tr>
164</tbody>
165</table>
166</dd></dl>
167
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