_area_points</span><span class="p">(</span><span class="n">lidar_points</span><span class="p">,</span> <span class="n">city_name</span><span class="p">)</span>
    <span class="n">_</span><span class="p">,</span> <span class="n">not_ground_logicals</span> <span class="o">=</span> <span class="n">dataset_map</span><span class="o">.</span><span class="n">remove_ground_surface</span><span class="p">(</span>
        <span class="n">copy</span><span class="o">.</span><span class="n">deepcopy</span><span class="p