eate a Digital Terrain Model from UAV generated point clouds by minimum altitude sampling (fix resolution of sampling gridsize)</p></td>
      </tr><tr><td>
          <p><code><a href="pc_2D_mdtm.html">pc_2D_mdtm()</a></code> </p>
        </td>
        <td><p>Create a Digital Terrain Model from UAV generated point clouds by minimum altitude sampling (multiple resolutions of sampling gridsize)</p></td>
      </tr><tr><td>
          <p><code><a href="poly_metrics.html">poly_metrics()</a></code> </p>
        <