dims <span class="ot">&lt;-</span> <span class="fu">c</span>(<span class="dv">64</span>, <span class="dv">64</span>, <span class="dv">40</span>)</span>
<span id="cb2-3"><a href="#cb2-3" tabindex="-1"></a>dat <span class="ot">&lt;-</span> <span class="fu">array</span>(<span class="fu">rnorm</span>(<span class="fu">prod</span>(dims)), dims)</span>
<span id="cb2-4"><a href="#cb2-4" tabindex="-1"></a>vol <span class="ot">&lt;-</span> <span class="fu">NeuroVol</span>(dat, <span class="fu">NeuroSpace</span>(dims)