ivePointCloud.Normal(:, 1), passivePointCloud.Normal(:, 2), passivePointCloud.Normal(:, 3), 2);
    hold <span class="string">off</span>
<span class="keyword">else</span>
    pcshow(pointCloud([0, 0, 0]));
<span class="keyword">end</span>
title(<span class="string">'Passive Echo Sensor Pointcloud'</span>)
xlabel(<span class="string">"X (m)"</span>)
ylabel(<span class="string">"Y (m)"</span>)
zlabel(<span class="string">"Z (m)"</span>)
xlim([0 10])
ylim([-10 10])
zlim([-10 10])
drawnow
</pre>
<img vspace="5"