><span class="n">append</span><span class="p">(</span><span class="n">i_out</span><span class="o">.</span><span class="n">data</span><span class="p">)</span>
                        <span class="n">coords</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">np</span><span class="o">.</span><span class="n">vstack</span><span class="p">((</span><span class="n">sample_index</span><span class="p">,</span> <span class="n">i_out</span><span class="o">.</span><span cla