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<div class="section" id="uhbd-scalar-data-format">
<h1>UHBD scalar data format<a class="headerlink" href="#uhbd-scalar-data-format" title="Permalink to this headline">¶</a></h1>
<p>We also support scalar data output in the legacy “UHBD format” for use with programs such as <a class="reference external" href="http://browndye.ucsd.edu/">UHBD</a> and <a class="reference external" href="https://mcm.h-its.org/sda/">SDA</a>.</p>
<p>UHBD data is written in the format:</p>
<div class="highlight-c"><div class="highlight"><pre><span></span><span class="cm">/* Write out the header */</span>
<span class="n">Vio_printf</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="s">"%72s</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">title</span><span class="p">);</span>
<span class="n">Vio_printf</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="s">"%12.5e%12.5e%7d%7d%7d%7d%7d</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="mf">1.0</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">,</span> <span class="o">-</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span>
<span class="n">nz</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="n">nz</span><span class="p">);</span>
<span class="n">Vio_printf</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="s">"%7d%7d%7d%12.5e%12.5e%12.5e%12.5e</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">nx</span><span class="p">,</span> <span class="n">ny</span><span class="p">,</span> <span class="n">nz</span><span class="p">,</span>
<span class="n">hx</span><span class="p">,</span> <span class="p">(</span><span class="n">xmin</span><span class="o">-</span><span class="n">hx</span><span class="p">),</span> <span class="p">(</span><span class="n">ymin</span><span class="o">-</span><span class="n">hx</span><span class="p">),</span> <span class="p">(</span><span class="n">zmin</span><span class="o">-</span><span class="n">hx</span><span class="p">));</span>
<span class="n">Vio_printf</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="s">"%12.5e%12.5e%12.5e%12.5e</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">);</span>
<span class="n">Vio_printf</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="s">"%12.5e%12.5e%7d%7d"</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">,</span> <span class="mf">0.0</span><span class="p">,</span> <span class="mi">0</span><span class="p">,</span> <span class="mi">0</span><span class="p">);</span>
<span class="cm">/* Write out the entries */</span>
<span class="n">icol</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="k">for</span> <span class="p">(</span><span class="n">k</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="n">k</span><span class="o"><</span><span class="n">nz</span><span class="p">;</span> <span class="n">k</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
<span class="n">Vio_printf</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="s">"</span><span class="se">\n</span><span class="s">%7d%7d%7d</span><span class="se">\n</span><span class="s">"</span><span class="p">,</span> <span class="n">k</span><span class="o">+</span><span class="mi">1</span><span class="p">,</span> <span class="n">thee</span><span class="o">-></span><span class="n">nx</span><span class="p">,</span> <span class="n">thee</span><span class="o">-></span><span class="n">ny</span><span class="p">);</span>
<span class="n">icol</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="k">for</span> <span class="p">(</span><span class="n">j</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="n">j</span><span class="o"><</span><span class="n">ny</span><span class="p">;</span> <span class="n">j</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">(</span><span class="n">i</span><span class="o">=</span><span class="mi">0</span><span class="p">;</span> <span class="n">i</span><span class="o"><</span><span class="n">nx</span><span class="p">;</span> <span class="n">i</span><span class="o">++</span><span class="p">)</span> <span class="p">{</span>
<span class="n">u</span> <span class="o">=</span> <span class="n">k</span><span class="o">*</span><span class="p">(</span><span class="n">nx</span><span class="p">)</span><span class="o">*</span><span class="p">(</span><span class="n">ny</span><span class="p">)</span><span class="o">+</span><span class="n">j</span><span class="o">*</span><span class="p">(</span><span class="n">nx</span><span class="p">)</span><span class="o">+</span><span class="n">i</span><span class="p">;</span>
<span class="n">icol</span><span class="o">++</span><span class="p">;</span>
<span class="n">Vio_printf</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="s">" %12.5e"</span><span class="p">,</span> <span class="n">thee</span><span class="o">-></span><span class="n">data</span><span class="p">[</span><span class="n">u</span><span class="p">]);</span>
<span class="k">if</span> <span class="p">(</span><span class="n">icol</span> <span class="o">==</span> <span class="mi">6</span><span class="p">)</span> <span class="p">{</span>
<span class="n">icol</span> <span class="o">=</span> <span class="mi">0</span><span class="p">;</span>
<span class="n">Vio_printf</span><span class="p">(</span><span class="n">sock</span><span class="p">,</span> <span class="s">"</span><span class="se">\n</span><span class="s">"</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
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