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  <h1>Source code for noctua.templates.skyflat</h1><div class="highlight"><pre>
<span></span><span class="ch">#!/usr/bin/env python3</span>
<span class="c1"># -*- coding: utf-8 -*-</span>

<span class="c1"># System modules</span>

<span class="c1"># Third-party modules</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">astropy.io</span><span class="w"> </span><span class="kn">import</span> <span class="n">fits</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">astropy.time</span><span class="w"> </span><span class="kn">import</span> <span class="n">Time</span>

<span class="c1"># Other templates</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">..config.constants</span><span class="w"> </span><span class="kn">import</span> <span class="n">temp_fits</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">..devices</span><span class="w"> </span><span class="kn">import</span> <span class="n">dom</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">..utils.analysis</span><span class="w"> </span><span class="kn">import</span> <span class="n">skyflat_exptime</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">..utils.logger</span><span class="w"> </span><span class="kn">import</span> <span class="n">log</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">.acquisition</span><span class="w"> </span><span class="kn">import</span> <span class="n">Template</span> <span class="k">as</span> <span class="n">Acquisition</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">.basetemplate</span><span class="w"> </span><span class="kn">import</span> <span class="n">BaseTemplate</span>
<span class="kn">from</span><span class="w"> </span><span class="nn">.observation</span><span class="w"> </span><span class="kn">import</span> <span class="n">Template</span> <span class="k">as</span> <span class="n">Observation</span>


<div class="viewcode-block" id="Template">
<a class="viewcode-back" href="../../../noctua.templates.html#noctua.templates.skyflat.Template">[docs]</a>
<span class="k">class</span><span class="w"> </span><span class="nc">Template</span><span class="p">(</span><span class="n">BaseTemplate</span><span class="p">):</span>
<span class="w">    </span><span class="sd">&quot;&quot;&quot;Sky flat template&quot;&quot;&quot;</span>

    <span class="k">def</span><span class="w"> </span><span class="fm">__init__</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;Constructor&quot;&quot;&quot;</span>
        <span class="nb">super</span><span class="p">()</span><span class="o">.</span><span class="fm">__init__</span><span class="p">()</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">name</span> <span class="o">=</span> <span class="s2">&quot;skyflat&quot;</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">description</span> <span class="o">=</span> <span class="s2">&quot;Takes a set of sky flat calibrations&quot;</span>

<div class="viewcode-block" id="Template.content">
<a class="viewcode-back" href="../../../noctua.templates.html#noctua.templates.skyflat.Template.content">[docs]</a>
    <span class="k">def</span><span class="w"> </span><span class="nf">content</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">params</span><span class="p">):</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;Template implementation&quot;&quot;&quot;</span>

        <span class="c1">########################</span>
        <span class="c1">##### Params check #####</span>
        <span class="c1">########################</span>

        <span class="k">try</span><span class="p">:</span>
            <span class="n">binning</span> <span class="o">=</span> <span class="n">params</span><span class="p">[</span><span class="s2">&quot;binning&quot;</span><span class="p">]</span>
            <span class="n">repeat</span> <span class="o">=</span> <span class="n">params</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="s2">&quot;repeat&quot;</span><span class="p">)</span> <span class="ow">or</span> <span class="mi">1</span>
            <span class="n">filt</span> <span class="o">=</span> <span class="n">params</span><span class="p">[</span><span class="s2">&quot;filter&quot;</span><span class="p">]</span>
            <span class="n">exptime</span> <span class="o">=</span> <span class="n">params</span><span class="p">[</span><span class="s2">&quot;exptime&quot;</span><span class="p">]</span>
        <span class="k">except</span> <span class="ne">KeyError</span> <span class="k">as</span> <span class="n">e</span><span class="p">:</span>
            <span class="n">log</span><span class="o">.</span><span class="n">error</span><span class="p">(</span><span class="sa">f</span><span class="s2">&quot;Parameter </span><span class="si">{</span><span class="n">e</span><span class="si">}</span><span class="s2"> not found&quot;</span><span class="p">)</span>

        <span class="n">fixed</span> <span class="o">=</span> <span class="p">{</span>
            <span class="s2">&quot;objname&quot;</span><span class="p">:</span> <span class="s2">&quot;Sky flat frame&quot;</span><span class="p">,</span>
            <span class="s2">&quot;frametype&quot;</span><span class="p">:</span> <span class="s2">&quot;Flat&quot;</span>
        <span class="p">}</span>

        <span class="n">params</span><span class="o">.</span><span class="n">update</span><span class="p">(</span><span class="n">fixed</span><span class="p">)</span>

        <span class="c1">############################</span>
        <span class="c1">##### Moving telescope #####</span>
        <span class="c1">############################</span>

        <span class="c1"># hour &lt; 12: &#39;twilight&#39;, hour &gt; 12: &#39;dawn&#39;</span>
        <span class="n">now</span> <span class="o">=</span> <span class="n">Time</span><span class="o">.</span><span class="n">now</span><span class="p">()</span>
        <span class="n">hour</span> <span class="o">=</span> <span class="n">now</span><span class="o">.</span><span class="n">datetime</span><span class="o">.</span><span class="n">hour</span>

        <span class="c1"># Point opposite to the Sun:</span>
        <span class="c1"># West if twilight, Est if dawn.</span>
        <span class="n">altaz</span> <span class="o">=</span> <span class="p">[</span><span class="mi">30</span><span class="p">,</span> <span class="mi">270</span><span class="p">]</span> <span class="k">if</span> <span class="n">hour</span> <span class="o">&lt;</span> <span class="mi">12</span> <span class="k">else</span> <span class="p">[</span><span class="mi">30</span><span class="p">,</span> <span class="mi">90</span><span class="p">]</span>

        <span class="n">acq</span> <span class="o">=</span> <span class="n">Acquisition</span><span class="p">()</span>
        <span class="n">acq</span><span class="o">.</span><span class="n">run</span><span class="p">({</span><span class="s2">&quot;altaz&quot;</span><span class="p">:</span> <span class="n">altaz</span><span class="p">})</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">check_pause_or_abort</span><span class="p">()</span>

        <span class="c1">###################################</span>
        <span class="c1">##### Taking a test flat image ####</span>
        <span class="c1">###################################</span>

        <span class="n">obs</span> <span class="o">=</span> <span class="n">Observation</span><span class="p">()</span>
        <span class="n">obs</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="n">params</span><span class="p">)</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">check_pause_or_abort</span><span class="p">()</span>

        <span class="c1"># Calculating the average count rate</span>
        <span class="n">img</span> <span class="o">=</span> <span class="n">fits</span><span class="o">.</span><span class="n">getdata</span><span class="p">(</span><span class="n">temp_fits</span><span class="p">)</span>
        <span class="n">average_counts</span> <span class="o">=</span> <span class="n">img</span><span class="o">.</span><span class="n">data</span><span class="o">.</span><span class="n">mean</span><span class="p">()</span>
        <span class="n">rate</span> <span class="o">=</span> <span class="n">average_counts</span> <span class="o">/</span> <span class="n">exptime</span>  <span class="c1"># calcolo test rate (counts/(s*pixel))</span>

        <span class="c1"># Retrieving optimal exptimes &quot;à la Tyson&amp;Gal&quot;</span>
        <span class="n">exptimes</span> <span class="o">=</span> <span class="n">skyflat_exptime</span><span class="p">(</span><span class="n">rate</span><span class="p">,</span> <span class="n">binning</span><span class="o">=</span><span class="n">binning</span><span class="p">,</span> <span class="n">repeat</span><span class="o">=</span><span class="n">repeat</span><span class="p">)</span>

        <span class="c1">####################################################</span>
        <span class="c1">##### Taking sky flats looping optimal exptimes ####</span>
        <span class="c1">####################################################</span>

        <span class="k">for</span> <span class="n">exp</span> <span class="ow">in</span> <span class="n">exptimes</span><span class="p">:</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">check_pause_or_abort</span><span class="p">()</span>

            <span class="n">params</span><span class="p">[</span><span class="s2">&quot;exptime&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">exp</span>
            <span class="n">obs</span><span class="o">.</span><span class="n">run</span><span class="p">(</span><span class="n">params</span><span class="p">)</span>

        <span class="k">return</span></div>
</div>

</pre></div>

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