<div dir="ltr"><div>Hello everyone:</div><div>I have a question about the use of filters.litree. When I run:</div><div><br></div><div>$ pdal pipeline ./litree_prueba.json</div><div><br></div><div>where de ./litree_prueba.json:<br></div><div><br></div><div>[<br>       "./input.las"<br>    {<br>        "type":"filters.hag_delaunay"<br>    },<br>    {<br>        "type":"filters.sort",<br>        "dimension":"HeightAboveGround",<br>        "order":"DESC"<br>    },<br>    {<br>        "type":"<span class="gmail-LI gmail-ng"><span class="gmail-LI gmail-ng">filters.litree</span></span>",<br>        "min_points":50,<br>        "min_height":3.0,<br>        "radius":50.0<br>    },<br>    {<br>        "type":"writers.las",<br>        "filename":"./<a href="http://output.as">output.as</a>",<br>        "minor_version":4,<br>        "extra_dims":"all"<br>    }<br>]</div><div></div><br><div>I get de following output: <br></div><div>"PDAL: All points collinear"</div><div><br></div><div>And the file "output.las" was never created.<br></div><div><br></div><span class="gmail-HwtZe" lang="en"><span class="gmail-jCAhz gmail-ChMk0b"><span class="gmail-ryNqvb">Could you guide me on what I'm doing wrong, please?</span></span></span><br><div><br></div><div>Thank you</div><div><br></div><div>Ulises<br></div><br><br></div>