<span class="p">]</span>
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<p>We will use the sixth layer (given by index 5) of the volume as an example spectral image.</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="n">cell_layer</span> <span class="o">=</span> <span class="n">cell_volume</span><span class="o">.</span><span class="n">layer</span><span class="p">(</span><span class="mi">5</span><span class="p">)</span>
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</div>
<p>We will select a specific spectra from the 