<div dir="ltr"><div>Trying to process data from <a href="https://coast.noaa.gov/htdata/lidar1_z/geoid12a/data/3662/">2011-2012 USACE NCMP Topobathy Lidar: Lake Erie</a> (<a href="https://coast.noaa.gov/htdata/lidar1_z/geoid12a/data/3662/20110802_2012_NCMP_OH_Erie_24_GeoClassified_LAS_NAVD88.laz">specifically this tile</a>).</div><div><br></div><div>JSON:</div><div><p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(179,0,179);background-color:rgb(0,230,230)"><span style="font-variant-ligatures:no-common-ligatures">{</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(205,121,35)"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">  "</span><span style="font-variant-ligatures:no-common-ligatures">pipeline</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">":</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">[</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(195,55,32)"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">    "</span><span style="font-variant-ligatures:no-common-ligatures">/data/20001800PAS.las</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">",</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">    </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">{</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">      "</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(205,121,35)">type</span><span style="font-variant-ligatures:no-common-ligatures">":"</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">readers.las</span><span style="font-variant-ligatures:no-common-ligatures">",</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(205,121,35)"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">      "</span><span style="font-variant-ligatures:no-common-ligatures">spatialreference</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">":"</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">EPSG:4269</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">",</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(195,55,32)"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">      "</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(205,121,35)">filename</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">":"</span><span style="font-variant-ligatures:no-common-ligatures">/data/20001800PAS.las</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">"</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">    </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">}</span><span style="font-variant-ligatures:no-common-ligatures">,</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">    </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">{</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(195,55,32)"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">      "</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(205,121,35)">type</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">":"</span><span style="font-variant-ligatures:no-common-ligatures">filters.reprojection</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">",</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">      "</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(205,121,35)">out_srs</span><span style="font-variant-ligatures:no-common-ligatures">":"</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">EPSG:3734</span><span style="font-variant-ligatures:no-common-ligatures">"</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">    </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">}</span><span style="font-variant-ligatures:no-common-ligatures">,</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">    </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">{</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(195,55,32)"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">      "</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(205,121,35)">type</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">":"</span><span style="font-variant-ligatures:no-common-ligatures">filters.sample</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">",</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">      "</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(205,121,35)">radius</span><span style="font-variant-ligatures:no-common-ligatures">":"</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">5</span><span style="font-variant-ligatures:no-common-ligatures">"</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">    </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">}</span><span style="font-variant-ligatures:no-common-ligatures">,</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">    </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">{</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">      "</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(205,121,35)">type</span><span style="font-variant-ligatures:no-common-ligatures">":"</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(195,55,32)">writers.las</span><span style="font-variant-ligatures:no-common-ligatures">",</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(195,55,32)"><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">      "</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(205,121,35)">filename</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">":"</span><span style="font-variant-ligatures:no-common-ligatures">/data/poisson_8-16.las</span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(0,0,0)">"</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">    </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">}</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">  </span><span style="font-variant-ligatures:no-common-ligatures;color:rgb(213,59,211)">]</span></p>
<p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(179,0,179);background-color:rgb(0,230,230)"><span style="font-variant-ligatures:no-common-ligatures">}</span></p></div><div><br></div><div><p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">docker run -v $(pwd)/data:/data pdal/pdal:1.4 pdal pipeline /data/pipeline.json --readers.las.filename=/data/lakefront.laz --writers.las.filename=/data/filtered.laz</span></p></div><div><br></div><div>I get the following error:</div><br><div><p style="margin:0px;font-size:10px;line-height:normal;font-family:monaco;color:rgb(0,0,0)"><span style="font-variant-ligatures:no-common-ligatures">(pdal pipeline filters.reprojection Error: 0): GDAL failure (1) failed to load datum shift file</span></p></div><div><br></div><div>I was hoping by specifying the input spatialreference I could dodge this error, but alas... .</div><div><br></div><div>AFAIK, these are the same datums (data?):</div><div><a href="http://spatialreference.org/ref/epsg/4269/">http://spatialreference.org/ref/epsg/4269/</a><br></div><div><a href="http://spatialreference.org/ref/epsg/3734/">http://spatialreference.org/ref/epsg/3734/</a><br></div><div><br></div><div>What am I missing?</div><div>Thanks in advance,</div><div>Best,</div><div>Steve</div></div>