>        (Optional[float]) alpha smoothing to diagonal, points below this line are ignored, used for Crocker Stacks; default: 0</span>

<span class="sd">    :return: array of threshold values representing the Betti curve</span>
<span class="sd">    &quot;&quot;&quot;</span>

    <span class="n">vecOfThresholds</span> <span class="o">=</span> <span class="n">np</span><span class="o">.</span><span class="n">linspace</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="n