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<section id="goes-geostationary-lightning-mapper">
<h1>GOES Geostationary Lightning Mapper<a class="headerlink" href="#goes-geostationary-lightning-mapper" title="Permalink to this headline"></a></h1>
<p><a class="reference external" href="http://nbviewer.ipython.org/github/Unidata/python-awips/blob/master/examples/notebooks/GOES_Geostationary_Lightning_Mapper.ipynb">Notebook</a>
The Geostationary Lightning Mapper, or GLM, on board GOES-R Series
spacecraft, is the first operational lightning mapper flown in
geostationary orbit. GLM detects the light emitted by lightning at the
tops of clouds day and night and collects information such as the
frequency, location and extent of lightning discharges. The instrument
measures total lightning, both in-cloud and cloud-to-ground, to aid in
forecasting developing severe storms and a wide range of high-impact
environmental phenomena including hailstorms, microburst winds,
tornadoes, hurricanes, flash floods, snowstorms and fires.</p>
<p>AWIPS GLM point data are available in three formats</p>
<ul class="simple">
<li><p><code class="docutils literal notranslate"><span class="pre">GLMev</span></code> Events</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">GLMfl</span></code> Flashes</p></li>
<li><p><code class="docutils literal notranslate"><span class="pre">GLMgr</span></code> Groups</p></li>
</ul>
<p>and with seven attributes:</p>
<ul class="simple">
<li><p>height</p></li>
<li><p>intensity</p></li>
<li><p>msgType</p></li>
<li><p>pulseCount</p></li>
<li><p>pulseIndex</p></li>
<li><p>sensorCount</p></li>
<li><p>strikeType</p></li>
</ul>
<section id="glm-sources-and-parameters">
<h2>GLM Sources and Parameters<a class="headerlink" href="#glm-sources-and-parameters" title="Permalink to this headline"></a></h2>
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span> <span class="nn">awips.dataaccess</span> <span class="kn">import</span> <span class="n">DataAccessLayer</span>
<span class="kn">import</span> <span class="nn">cartopy.crs</span> <span class="k">as</span> <span class="nn">ccrs</span>
<span class="kn">import</span> <span class="nn">cartopy.feature</span> <span class="k">as</span> <span class="nn">cfeat</span>
<span class="kn">import</span> <span class="nn">matplotlib.pyplot</span> <span class="k">as</span> <span class="nn">plt</span>
<span class="kn">from</span> <span class="nn">cartopy.mpl.gridliner</span> <span class="kn">import</span> <span class="n">LONGITUDE_FORMATTER</span><span class="p">,</span> <span class="n">LATITUDE_FORMATTER</span>
<span class="kn">import</span> <span class="nn">numpy</span> <span class="k">as</span> <span class="nn">np</span>
<span class="kn">import</span> <span class="nn">datetime</span>
<span class="o">%</span><span class="k">matplotlib</span> inline
<span class="c1"># Create an EDEX data request</span>
<span class="n">edexServer</span> <span class="o">=</span> <span class="s2">&quot;edex-cloud.unidata.ucar.edu&quot;</span>
<span class="n">datatype</span> <span class="o">=</span> <span class="s2">&quot;binlightning&quot;</span>
<span class="n">DataAccessLayer</span><span class="o">.</span><span class="n">changeEDEXHost</span><span class="p">(</span><span class="n">edexServer</span><span class="p">)</span>
<span class="n">request</span> <span class="o">=</span> <span class="n">DataAccessLayer</span><span class="o">.</span><span class="n">newDataRequest</span><span class="p">(</span><span class="n">datatype</span><span class="p">)</span>
<span class="c1"># Show available sources</span>
<span class="n">sources</span> <span class="o">=</span> <span class="n">DataAccessLayer</span><span class="o">.</span><span class="n">getIdentifierValues</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="s2">&quot;source&quot;</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">&quot;available sources:&quot;</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">sources</span><span class="p">))</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">&quot;&quot;</span><span class="p">)</span>
<span class="n">availableParms</span> <span class="o">=</span> <span class="n">DataAccessLayer</span><span class="o">.</span><span class="n">getAvailableParameters</span><span class="p">(</span><span class="n">request</span><span class="p">)</span>
<span class="n">availableParms</span><span class="o">.</span><span class="n">sort</span><span class="p">()</span>
<span class="nb">print</span><span class="p">(</span><span class="s2">&quot;available parameters:&quot;</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="n">availableParms</span><span class="p">))</span>
</pre></div>
</div>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">available</span> <span class="n">sources</span><span class="p">:</span>
<span class="p">[</span><span class="s1">&#39;GLMgr&#39;</span><span class="p">,</span> <span class="s1">&#39;GLMfl&#39;</span><span class="p">,</span> <span class="s1">&#39;GLMev&#39;</span><span class="p">]</span>
<span class="n">available</span> <span class="n">parameters</span><span class="p">:</span>
<span class="p">[</span><span class="s1">&#39;height&#39;</span><span class="p">,</span> <span class="s1">&#39;intensity&#39;</span><span class="p">,</span> <span class="s1">&#39;msgType&#39;</span><span class="p">,</span> <span class="s1">&#39;pulseCount&#39;</span><span class="p">,</span> <span class="s1">&#39;pulseIndex&#39;</span><span class="p">,</span> <span class="s1">&#39;sensorCount&#39;</span><span class="p">,</span> <span class="s1">&#39;strikeType&#39;</span><span class="p">]</span>
</pre></div>
</div>
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="n">request</span><span class="o">.</span><span class="n">addIdentifier</span><span class="p">(</span><span class="s2">&quot;source&quot;</span><span class="p">,</span> <span class="s2">&quot;GLMgr&quot;</span><span class="p">)</span>
<span class="n">request</span><span class="o">.</span><span class="n">setParameters</span><span class="p">(</span><span class="s2">&quot;intensity&quot;</span><span class="p">)</span>
<span class="n">times</span> <span class="o">=</span> <span class="n">DataAccessLayer</span><span class="o">.</span><span class="n">getAvailableTimes</span><span class="p">(</span><span class="n">request</span><span class="p">)</span>
<span class="n">response</span> <span class="o">=</span> <span class="n">DataAccessLayer</span><span class="o">.</span><span class="n">getGeometryData</span><span class="p">(</span><span class="n">request</span><span class="p">,</span> <span class="p">[</span><span class="n">times</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]])</span>
<span class="n">glm_points</span> <span class="o">=</span> <span class="p">[]</span>
<span class="k">for</span> <span class="n">data</span> <span class="ow">in</span> <span class="n">response</span><span class="p">:</span>
<span class="n">glm_points</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">data</span><span class="o">.</span><span class="n">getGeometry</span><span class="p">())</span>
<span class="n">ob</span> <span class="o">=</span> <span class="n">response</span><span class="p">[</span><span class="mi">0</span><span class="p">]</span>
</pre></div>
</div>
<div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="c1"># Plot markers</span>
<span class="n">fig</span><span class="p">,</span> <span class="n">ax</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplots</span><span class="p">(</span><span class="n">figsize</span><span class="o">=</span><span class="p">(</span><span class="mi">16</span><span class="p">,</span><span class="mi">16</span><span class="p">),</span><span class="n">subplot_kw</span><span class="o">=</span><span class="nb">dict</span><span class="p">(</span><span class="n">projection</span><span class="o">=</span><span class="n">ccrs</span><span class="o">.</span><span class="n">Orthographic</span><span class="p">(</span><span class="n">central_longitude</span><span class="o">=-</span><span class="mf">90.0</span><span class="p">)))</span>
<span class="n">ax</span><span class="o">.</span><span class="n">coastlines</span><span class="p">(</span><span class="n">resolution</span><span class="o">=</span><span class="s1">&#39;50m&#39;</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">gridlines</span><span class="p">()</span>
<span class="n">ax</span><span class="o">.</span><span class="n">scatter</span><span class="p">([</span><span class="n">point</span><span class="o">.</span><span class="n">x</span> <span class="k">for</span> <span class="n">point</span> <span class="ow">in</span> <span class="n">glm_points</span><span class="p">],</span>
<span class="p">[</span><span class="n">point</span><span class="o">.</span><span class="n">y</span> <span class="k">for</span> <span class="n">point</span> <span class="ow">in</span> <span class="n">glm_points</span><span class="p">],</span>
<span class="n">transform</span><span class="o">=</span><span class="n">ccrs</span><span class="o">.</span><span class="n">PlateCarree</span><span class="p">(),</span><span class="n">marker</span><span class="o">=</span><span class="s2">&quot;+&quot;</span><span class="p">,</span><span class="n">facecolor</span><span class="o">=</span><span class="s1">&#39;red&#39;</span><span class="p">)</span>
<span class="n">ax</span><span class="o">.</span><span class="n">set_title</span><span class="p">(</span><span class="nb">str</span><span class="p">(</span><span class="n">response</span><span class="p">[</span><span class="o">-</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">getDataTime</span><span class="p">()</span><span class="o">.</span><span class="n">getRefTime</span><span class="p">())</span> <span class="o">+</span> <span class="s2">&quot; | &quot;</span> <span class="o">+</span> <span class="n">ob</span><span class="o">.</span><span class="n">getAttribute</span><span class="p">(</span><span class="s1">&#39;source&#39;</span><span class="p">)</span> <span class="o">+</span> <span class="s2">&quot; | &quot;</span> <span class="o">+</span> <span class="n">edexServer</span><span class="p">)</span>
</pre></div>
</div>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">Text</span><span class="p">(</span><span class="mf">0.5</span><span class="p">,</span><span class="mi">1</span><span class="p">,</span><span class="s1">&#39;Oct 15 18 22:15:07 GMT | GLMgr | edex-cloud.unidata.ucar.edu&#39;</span><span class="p">)</span>
</pre></div>
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