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<!-- span class="title">SeisComP Release</span -->
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<span class="version">5.3.0</span>
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<a href="../toc/extensions/global.html" accesskey="U">global</a>
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<div class="section" id="locext">
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<span id="global-locext"></span><h1>LocExt<a class="headerlink" href="#locext" title="Permalink to this headline">¶</a></h1>
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<p>Locator which forwards the processing to external scripts</p>
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<div class="section" id="description">
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<h2>Description<a class="headerlink" href="#description" title="Permalink to this headline">¶</a></h2>
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<p>The ExternalLocator implements a wrapper for scripts which do the actual location
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process. The input and output are represented as XML and communicated via the
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input/output channels of the called process: stdin and stdout.</p>
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</div>
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<div class="section" id="plugin">
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<h2>Plugin<a class="headerlink" href="#plugin" title="Permalink to this headline">¶</a></h2>
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<p>To enable the ExternalLocator the plugin <code class="docutils literal notranslate"><span class="pre">locext</span></code> must be loaded.</p>
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</div>
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<div class="section" id="commandline-parameters">
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<h2>Commandline Parameters<a class="headerlink" href="#commandline-parameters" title="Permalink to this headline">¶</a></h2>
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<p>There are several commandline parameters passed to the script depending on
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the locator configuration. The following table summarizes them.</p>
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<table class="docutils align-default">
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<colgroup>
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<col style="width: 68%" />
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</colgroup>
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<thead>
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<tr class="row-odd"><th class="head"><p>Parameter</p></th>
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<th class="head"><p>Description</p></th>
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</tr>
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</thead>
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<tbody>
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<tr class="row-even"><td><p>–max-dist=X</p></td>
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<td><p>The cut-off distance if set</p></td>
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</tr>
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<tr class="row-odd"><td><p>–ignore-initial-location</p></td>
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<td><p>Whether to ignore the initial origin location or not</p></td>
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</tr>
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<tr class="row-even"><td><p>–fixed-depth=X</p></td>
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<td><p>The depth in km to be fixed if enabled</p></td>
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</tr>
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</tbody>
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</table>
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</div>
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<div class="section" id="input">
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<h2>Input<a class="headerlink" href="#input" title="Permalink to this headline">¶</a></h2>
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<p>The input document written to stdin of the child process is a valid SeisComP
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XML document containing <code class="docutils literal notranslate"><span class="pre">EventParameters</span></code>. The event parameters hold exactly
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one origin to be relocated and all picks references from the origins arrivals.</p>
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<p>Example:</p>
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<div class="highlight-xml notranslate"><div class="highlight"><pre><span></span><?xml version="1.0" encoding="UTF-8"?>
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<seiscomp xmlns="http://geofon.gfz-potsdam.de/ns/seiscomp3-schema/0.11" version="0.11">
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<EventParameters>
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<pick ...>...</pick>
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<pick ...>...</pick>
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...
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<origin ...>
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...
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<arrival>
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...
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</arrival>
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<arrival>
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...
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</arrival>
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...
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</origin>
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</EventParameters>
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</seiscomp>
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</pre></div>
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</div>
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</div>
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<div class="section" id="output">
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<h2>Output<a class="headerlink" href="#output" title="Permalink to this headline">¶</a></h2>
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<p>The output is read from stdout and is expected to be a SeisComP XML document
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just containing an origin.</p>
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<p>Example:</p>
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<div class="highlight-xml notranslate"><div class="highlight"><pre><span></span><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span>
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<span class="nt"><seiscomp</span> <span class="na">xmlns=</span><span class="s">"http://geofon.gfz-potsdam.de/ns/seiscomp3-schema/0.11"</span> <span class="na">version=</span><span class="s">"0.11"</span><span class="nt">></span>
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<span class="nt"><Origin</span> <span class="na">publicID=</span><span class="s">"..."</span><span class="nt">></span>
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<span class="nt"></Origin></span>
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<span class="nt"></seiscomp></span>
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</pre></div>
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</div>
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</div>
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<div class="section" id="example-configuration">
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<h2>Example Configuration<a class="headerlink" href="#example-configuration" title="Permalink to this headline">¶</a></h2>
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<ol class="arabic">
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<li><p>Define the external locator by global configuration e.g. in <code class="file docutils literal notranslate"><span class="pre">global.cfg</span></code>:</p>
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<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>plugins = ${plugins}, locext
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ExternalLocator.profiles = locator1:"python /path/to/locator/script1.py",\
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locator2:"/path/to/other/locator/script1.sh"
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</pre></div>
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</div>
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<p>with</p>
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<ul class="simple">
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<li><p><em>locator1</em>/<em>locator2</em>: The names of the profiles as shown in <a class="reference internal" href="scolv.html#scolv"><span class="std std-ref">scolv</span></a>
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or use in ther modules like <a class="reference internal" href="screloc.html#screloc"><span class="std std-ref">screloc</span></a> for calling the external locator,</p></li>
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<li><p><em>script1.py</em>/<em>script2.sh</em>: The names of Python/Bash scripts with full path
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called by the profile to execute the locator given within the scripts.</p></li>
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</ul>
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</li>
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<li><p>Once defined, the external locator can be further configured and called
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within <a class="reference internal" href="scolv.html#scolv"><span class="std std-ref">scolv</span></a> or by other modules e.g. <a class="reference internal" href="screloc.html#screloc"><span class="std std-ref">screloc</span></a>.</p></li>
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</ol>
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</div>
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<div class="section" id="module-configuration">
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<span id="global-locext-configuration"></span><h2>Module Configuration<a class="headerlink" href="#module-configuration" title="Permalink to this headline">¶</a></h2>
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<div class="admonition note">
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<p class="admonition-title">Note</p>
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<p><strong>ExternalLocator.*</strong>
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<em>Locator parameters: ExternalLocator</em></p>
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</div>
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<dl class="confval">
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<dt id="confval-ExternalLocator.profiles">
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<code class="sig-name descname">ExternalLocator.profiles</code><a class="headerlink" href="#confval-ExternalLocator.profiles" title="Permalink to this definition">¶</a></dt>
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<dd><p>Type: <em>list:string</em></p>
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<p>A list of profiles defined as tuples of name
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and path to a script separated by colon.</p>
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</dd></dl>
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</div>
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</div>
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<div id="anchors-bottom"></div>
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</div>
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<div class="sidebar" role="navigation" aria-label="main navigation">
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<div id="anchors-top"></div>
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<div id="anchors" class="content">
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<div id="searchbox" style="display: none" role="search">
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<h3 id="searchlabel">Quick search</h3>
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<div class="searchformwrapper">
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<form class="search" action="../search.html" method="get">
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<input type="text" name="q" aria-labelledby="searchlabel" />
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<input type="submit" value="Go" />
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</form>
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</div>
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</div>
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<script>$('#searchbox').show(0);</script>
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<h3><a href="../index.html">Table of Contents</a></h3>
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<ul>
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<li><a class="reference internal" href="#">LocExt</a><ul>
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<li><a class="reference internal" href="#description">Description</a></li>
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<li><a class="reference internal" href="#plugin">Plugin</a></li>
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<li><a class="reference internal" href="#commandline-parameters">Commandline Parameters</a></li>
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<li><a class="reference internal" href="#input">Input</a></li>
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<li><a class="reference internal" href="#output">Output</a></li>
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<li><a class="reference internal" href="#example-configuration">Example Configuration</a></li>
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<li><a class="reference internal" href="#module-configuration">Module Configuration</a></li>
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</ul>
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</li>
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</ul>
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<h4>Previous topic</h4>
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<p class="topless"><a href="global_mn.html"
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title="previous chapter">MN</a></p>
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<h4>Next topic</h4>
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<p class="topless"><a href="global_gui.html"
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title="next chapter">GUI</a></p>
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<div role="note" aria-label="source link">
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<h3>This Page</h3>
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<ul class="this-page-menu">
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<li><a href="../_sources/apps/global_locext.rst.txt"
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rel="nofollow">Show Source</a></li>
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</ul>
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</div>
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</div>
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<div class="footer">
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<div class="horizontal layout content">
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<a class="fade-in" href="https://www.gempa.de" target="_blank">
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<img class="brand" src="../_static/brands/gempa.svg"/>
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<div class="stretched align-center fitted content">
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<div>
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Version <b>5.3.0</b> Release
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</div>
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<div class="copyright">
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Copyright © gempa GmbH, GFZ Potsdam.
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</div>
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</div>
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<a class="fade-in" href="https://www.gfz-potsdam.de" target="_blank">
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<img class="brand" src="../_static/brands/gfz.svg"/>
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</a>
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</body>
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