dt class="field-odd">Parameters<span class="colon">:</span></dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>a0</strong> (<em>float</em>) – The new constant attenuation divisor term.</p></li>
<li><p><strong>a1</strong> (<em>float</em>) – The new reverse linear attenuation divisor term.</p></li>
<li><p><strong>a2</strong> (<em>float</em>) – The new reverse quadratic attenuation divisor term.</p></li>
</ul>
</dd>
<dt class="field-even">Return type<span class="colon">:</span></dt>
<dd class=