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<!DOCTYPE html>
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<title>Converting from Clawpack 4.3 to 4.6 &#8212; Clawpack 5.14.x documentation</title>
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<section id="converting-from-clawpack-4-3-to-4-6">
<span id="claw43to46"></span><h1>Converting from Clawpack 4.3 to 4.6<a class="headerlink" href="#converting-from-clawpack-4-3-to-4-6" title="Link to this heading">¶</a></h1>
<p>For users who want to migrate code from 4.3 to 5.0, this may be a useful
intermediate step, followed by migration from 4.6 to 5.0 using the script
described at <a class="reference internal" href="claw46to50.html#claw46to50"><span class="std std-ref">Converting from Clawpack 4.6 to 5.0</span></a>.</p>
<p>The Python interface (using <cite>setrun.py</cite> and <cite>setplot.py</cite>) was first
introduced in 4.4, so the main step needed to convert from 4.3 is to create
these files, and to make a number of changes to the <cite>Makefile</cite>.</p>
<p>If you are doing this by hand, you should convert directly to 5.0 form.</p>
<p>In some cases it will be easiest to do the bulk of the work using scripts.
A first pass of conversion to 4.6 form can be done by executing:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>$ python $CLAW/clawutil/src/python/clawutil/conversion/convert43to46.py
</pre></div>
</div>
<p>in your application directory. You should then inspect the files generated
and fix any broken links, etc.</p>
<p>After this, see <a class="reference internal" href="claw46to50.html#claw46to50"><span class="std std-ref">Converting from Clawpack 4.6 to 5.0</span></a>.</p>
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<p>This migration script from 4.3 to 4.6 only works for classic
(single grid) codes in 1d and 2d, not AMRClaw codes.</p>
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