="o">=</span> <span class="n">rp</span><span class="o">.</span><span class="n">load</span><span class="o">.</span><span class="n">witec</span><span class="p">(</span><span class="s2">&quot;path/to/file/witec_image.mat&quot;</span><span class="p">)</span>

<span class="c1"># Loading volumetric Raman data from a list of Raman image files by stacking them as layers along the z-axis</span>
<span class="n">image_layer_files</span> <span class="o">=</span> <span class="p">[</span><span class="s2">&quot;path/to/fi