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<div class="section" id="day-light-terminators-and-other-sunlight-parameters">
<span id="example-46"></span><h1>(46) Day-light terminators and other sunlight parameters<a class="headerlink" href="#day-light-terminators-and-other-sunlight-parameters" title="Permalink to this headline">¶</a></h1>
<p>In this example show how the module <a class="reference internal" href="../pssolar.html"><span class="doc">pssolar</span></a>
is used to plot several terminator lines that depend on
the location of the sun with respect to Earth. We also
show how an EPS illustration can serve as a custom symbol
to be plotted with <a class="reference internal" href="../psxy.html"><span class="doc">psxy</span></a>.</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="ch">#!/bin/bash</span>
<span class="c1"># GMT EXAMPLE 46</span>
<span class="c1">#</span>
<span class="c1"># Purpose: Illustrate use of pssolar to plot day/night terminators</span>
<span class="c1"># GMT modules: pssolar, pscoast, psxy</span>
<span class="c1">#</span>
<span class="nv">ps</span><span class="o">=</span>example_46.ps
gmt pscoast -Rd -JKs0/10i -Dl -A5000 -W0.5p -N1/0.5p,gray -S175/210/255 -Bafg --MAP_FRAME_TYPE<span class="o">=</span>plain -K -Xc > <span class="nv">$ps</span>
gmt pssolar -R -J -Td+d2016-02-09T16:00:00 -Gnavy@95 -K -O >> <span class="nv">$ps</span>
gmt pssolar -R -J -Tc+d2016-02-09T16:00:00 -Gnavy@85 -K -O >> <span class="nv">$ps</span>
gmt pssolar -R -J -Tn+d2016-02-09T16:00:00 -Gnavy@80 -K -O >> <span class="nv">$ps</span>
gmt pssolar -R -J -Ta+d2016-02-09T16:00:00 -Gnavy@80 -K -O >> <span class="nv">$ps</span>
gmt pssolar -I+d2016-02-09T16:00:00 -C <span class="p">|</span> gmt psxy -R -J -Sk<span class="s2">"</span><span class="si">${</span><span class="nv">src</span><span class="k">:-</span><span class="p">.</span><span class="si">}</span><span class="s2">"</span>/sunglasses/1.5c -O >> <span class="nv">$ps</span>
</pre></div>
</div>
<div class="figure align-center" id="id1">
<a class="reference internal image-reference" href="../_images/example_46.png"><img alt="../_images/example_46.png" src="../_images/example_46.png" style="width: 500px;" /></a>
<p class="caption"><span class="caption-text">Day-light terminators.</span></p>
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