[pdal] Problem reading LAZ file

[Andrew Bell]

Trying to figure out if this is something to fix in PDAL or LASzip and if
the latter, how to get it done.

On Wed, Mar 30, 2016 at 12:27 PM, Andrew Bell <andrew.bell.ia at gmail.com>
wrote:

> Can anyone explain the relationship between the Github repo and Martin's
> distribution?
>
> Is there some reason that a breaking change was made to LASzip?  Seems
> that one could have had the zipper/unzipper point at laszip_api.h
>
> On Wed, Mar 30, 2016 at 9:59 AM, Helimap Postmaster <postmaster at helimap.ch
> > wrote:
>
>> That works, thanks!
>>
>> On Wed, Mar 30, 2016 at 4:49 PM, Helimap Postmaster <
>> postmaster at helimap.ch> wrote:
>>
>>> Thanks Todd,
>>>
>>> I saw your answer while writing thecomment, will try with e7065cb.
>>>
>>> On Wed, Mar 30, 2016 at 4:45 PM, Murphy, Todd <
>>> ROBERT.T.MURPHY at leidos.com> wrote:
>>>
>>>> 1. Unsure why it did not pickup up include directory. Have you tried
>>>> setting it manually? On my Fedora install I cloned the laszip repo from
>>>> Howards GitHub site (https://github.com/LASzip/LASzip). It installed
>>>> under /usr/include and /usr/lib.
>>>>
>>>>
>>>>
>>>> 2.I had an issue with the latest laszip which threw the similar errors
>>>> you identified with LASzipper and LASunzipper. Recommend using earlier
>>>> commit (e7065cb) of Laszip. My email discussion with Howard on this follows:
>>>>
>>>>
>>>>
>>>> > 2. I just created a new development environment (Fedora 22) using the
>>>> latest laszip from that repo. I saw you had you had the commit to remove
>>>> LASzipper and LASunzipper. It appears some of the tests still reference
>>>> these as well as the lasdump apps in PDAL. I haven’t had time to look into,
>>>> but did a work around for now. Just wanted you to be aware.
>>>>
>>>>
>>>>
>>>> LASzip needs to be pinned to a release version for now. Martin wanted
>>>> to remove LASzipper/LASunzipper and use his "DLL" interface. We're starting
>>>> on LAZ 1.4, and I want to get things in place for PDAL to support all of it
>>>> once that's ready. I started doing interface stuff based on his new DLL
>>>> thingy, but PDAL/libLAS aren't yet caught up to it. PDAL's docker image is
>>>> pinned to e7065cbc5bdbbe0c6e50c9d93d1cd346e9be6778 which should be
>>>> perfectly good going forward until PDAL catches up to LASzip.
>>>>
>>>>
>>>>
>>>> Todd
>>>>
>>>>
>>>>
>>>> *From:* pdal [mailto:pdal-bounces at lists.osgeo.org] *On Behalf Of *Helimap
>>>> Postmaster
>>>> *Sent:* Wednesday, March 30, 2016 10:24 AM
>>>> *To:* pdal
>>>> *Subject:* [pdal] Problem reading LAZ file
>>>>
>>>>
>>>>
>>>> The error message:
>>>> PDAL: Can't read compressed file without LASzip or LAZperf
>>>> decompression library.
>>>>
>>>> I've, however, activated the option WITH_LASZIP. I've also cloned the
>>>> LASZIP repository and installed it. Indeed, pdal ccmake has changed the
>>>> library field:
>>>>
>>>> LASZIP_INCLUDE_DIR
>>>> LASZIP_INCLUDE_DIR-NOTFOUND
>>>>
>>>> LASZIP_LIBRARY                   /usr/local/lib/liblaszip.so
>>>>
>>>> Any ideas?
>>>>
>>>> I've also tried using
>>>> https://launchpad.net/~pdal/+archive/ubuntu/travis , but that one led
>>>> to compilation errors. (Dumper.cpp: undefined reference to
>>>> `LASunzipper::LASunzipper()' )
>>>>
>>>> Cheers,
>>>>
>>>> Pol
>>>>
>>>>
>>>>
>>>
>>>
>>
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>
>
>
> --
> Andrew Bell
> andrew.bell.ia at gmail.com
>



-- 
Andrew Bell
andrew.bell.ia at gmail.com
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