<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false"><blockquote type="cite"><div style="line-height: 1.5;"><div style="line-height: 1.5;"><div class="ydpa8e06b0dyiv6240108560yahoo-style-wrap" style="line-height: 1.5;"><div dir="ltr" style="line-height: 1.5;">Dear PDAL Community:</div><div dir="ltr" style="line-height: 1.5;"><br></div><div dir="ltr" style="line-height: 1.5;" data-setdir="false">(first time post)</div><div dir="ltr" style="line-height: 1.5;"><br></div><div dir="ltr" style="line-height: 1.5;" data-setdir="false"><b>Success Story</b> </div><div dir="ltr" style="line-height: 1.5;">Here's the problem I was working on: <br></div></div></div></div></blockquote></div><blockquote style="margin: 0 0 0 40px; border: none; padding: 0px;"><div dir="ltr" data-setdir="false"><div><blockquote type="cite"><div style="line-height: 1.5;"><div style="line-height: 1.5;"><div class="ydpa8e06b0dyiv6240108560yahoo-style-wrap" style="line-height: 1.5;"><div dir="ltr" style="line-height: 1.5;" data-setdir="false">.laz files downloaded directly from the <a href="https://coast.noaa.gov/dataviewer/#/lidar/search/">NOAA site</a> were opening as thin lines instead of the expected 3D point cloud in CloudCompare. With the help of another forum, I figured out it was because the coordinate system in the NOAA files is spherical and CC is looking for cartesian coordinates. PDAL in a single command line helped me convert to an appropriate cartesian CRS, and this solved the problem. Details of the exchange in the CC forum <a href="https://github.com/CloudCompare/CloudCompare/issues/2135#issuecomment-2776011743" rel="nofollow" target="_blank">HERE</a>.</div></div></div></div></blockquote></div></div></blockquote><div dir="ltr" data-setdir="false"><blockquote type="cite"><div style="line-height: 1.5;"><div style="line-height: 1.5;"><div class="ydpa8e06b0dyiv6240108560yahoo-style-wrap" style="line-height: 1.5;"><div dir="ltr" style="line-height: 1.5;">Very exciting.<br></div><div dir="ltr" style="line-height: 1.5;"><br></div><div dir="ltr" style="line-height: 1.5;" data-setdir="false"><b>New Problem and Questions for the PDAL Community</b></div><div dir="ltr" style="line-height: 1.5;" data-setdir="false">Inspired to do more with PDAL, my question to this community is whether PDAL can be used to perform point-cloud processing functions from LasTools and WhiteBoxTools that have frustrating inconsistencies when used from QGIS, at least on my computing platform (Mac OS). Inconsistencies are multiplied for me because I use LiDAR files (.laz and .las) from multiple sources. </div><div dir="ltr" style="line-height: 1.5;" data-setdir="false"><br></div><div dir="ltr" style="line-height: 1.5;" data-setdir="false">The functions I'm using in my forest carbon research are:</div><div dir="ltr" style="line-height: 1.5;"><br></div><blockquote style="margin-left: 40px; border-width: medium; border-style: none; border-color: currentcolor; padding: 0px;"><div dir="ltr" style="line-height: 1.5;">lasheight (from Lastools)</div><div dir="ltr" style="line-height: 1.5;">HeightAboveGround (from WhiteBox)</div><div dir="ltr" style="line-height: 1.5;">LidarDigitalSurfaceModel (from WhiteBox)</div></blockquote><div dir="ltr" style="line-height: 1.5;"><br></div><div dir="ltr" style="line-height: 1.5;" data-setdir="false">Are these functions already duplicated in PDAL? Or is there command lines that effectively do the same thing?<br></div><div dir="ltr" style="line-height: 1.5;"><br></div><div dir="ltr" style="line-height: 1.5;" data-setdir="false">Any experience and advice on this subject will be greatly appreciated.</div><div dir="ltr" style="line-height: 1.5;"><br></div><div dir="ltr" style="line-height: 1.5;">Sincerely,</div><div dir="ltr" style="line-height: 1.5;"><br></div><div dir="ltr" style="line-height: 1.5;">Ken</div></div></div></div></blockquote></div></div></body></html>