">filter_</span>
        <span class="k">if</span> <span class="bp">self</span><span class="o">.</span><span class="n">filter</span> <span class="o">==</span> <span class="s1">&#39;SN3&#39;</span><span class="p">:</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">delta_x</span> <span class="o">=</span> <span class="mi">2943</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">order</span> <span class="o">=</span> <span class="mi">8</span