<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">A pdal/pdal:1.4 docker image is currently refreshing on DockerHub that I expect will cure the issue. There were a couple of things:<div class=""><br class=""></div><div class="">1) PCL wasn't linking correctly. I found a way to revert to PCL 1.7 from Xenial instead of building our own</div><div class="">2) I suspect the image wasn't actually 1.4, but rather a master branch build. The Dockerfile wasn't checking out the 1.4-maintenance branch to build, and it was switching to master. </div><div class=""><br class=""></div><div class="">filters.attribute was split into filters.overlay and filters.assign for the upcoming 1.5 release. The docs aren't quite up to date on that topic. A ticket tracking it is at <a href="https://github.com/PDAL/PDAL/issues/1510" class="">https://github.com/PDAL/PDAL/issues/1510</a></div><div class=""><br class=""></div><div class="">Howard</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Mar 3, 2017, at 8:01 AM, Andrew Bell <<a href="mailto:andrew.bell.ia@gmail.com" class="">andrew.bell.ia@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">This is very strange and seems to be an issue with your docker installation or some such. I'm not much of a docker person, but if the loader can't find the base ios C++ functions, something is wrong beyond PDAL.<div class=""><br class=""></div><div class="">Perhaps some people with more docker experience can shed some light.</div></div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Thu, Mar 2, 2017 at 6:14 PM, Michael Rosen <span dir="ltr" class=""><<a href="mailto:michael.rosen@gmail.com" target="_blank" class="">michael.rosen@gmail.com</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class=""><br class=""><div class=""><br class=""></div><div class=""><div class="">I'm following the workshop presentation using the docker build of pdal 1.4 (I'm on linux mint 18). I find the following:</div><div class=""><br class=""></div><div class="">1. following the "analysis / clipping" exercise, it seems that filters.attribute filter stage is failing:</div><div class=""><br class=""></div><div class="">msr@msr-linux ~ $ sudo docker run -v /home/msr/PDAL_workshop/:/data -t pdal/pdal:1.4 pdal pipeline /data/exercises/analysis/<wbr class="">clipping/clipping.json</div><div class="">PDAL: Couldn't create filter stage of type 'filters.attribute'.</div><div class=""><br class=""></div><div class="">There's a relevant pull request (<a href="https://github.com/PDAL/PDAL/pull/1171" target="_blank" class="">https://github.com/PDAL/PDAL/<wbr class="">pull/1171</a>) but no indication of what to do instead.</div><div class=""><br class=""></div><div class="">2. I thought perhaps "pdal --drivers" would shed some light on the situation. Sadly, when I did, pdal failed to load:</div><div class=""><br class=""></div><div class="">msr@msr-linux ~ $ sudo docker run -v /home/msr/PDAL_workshop/:/data -t pdal/pdal:1.4 pdal --drivers</div><div class="">(PDAL Error) Can't load library /usr/lib/libpdal_plugin_<wbr class="">reader_pcd.so: Failed to load "/usr/lib/libpdal_plugin_<wbr class="">reader_pcd.so": /usr/lib/libpcl_io.so.1.8: undefined symbol: _ZNSt8ios_<wbr class="">base7failureC1EPKcRKSt10error_<wbr class="">code(PDAL Error) Plugin '/usr/lib/libpdal_plugin_<wbr class="">reader_pcd.so' found but failed to load: Failed to load "/usr/lib/libpdal_plugin_<wbr class="">reader_pcd.so": /usr/lib/libpcl_io.so.1.8: undefined symbol: _ZNSt8ios_<wbr class="">base7failureC1EPKcRKSt10error_<wbr class="">code</div><div class=""><br class=""></div><div class="">I tried installing libpcl1.7 (which is what apt wants to put down) but it didn't help.</div><div class=""><br class=""></div><div class="">I'll appreciate any guidance.</div><div class=""><br class=""></div><div class="">msr</div></div></div>
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