[pdal] readers.slpk: Failed to fetch info

Andrew Bell andrew.bell.ia at gmail.com
Fri Apr 5 06:34:37 PDT 2019


Does the directory /tmp/SMALL_AUTZEN_LAS_ALL exist after running?  Do you
find a directory called SMALL_AUTZEN_LAS_ALL anywhere on your system?

On Tue, Apr 2, 2019 at 2:37 PM David Lewis <dlewi146 at gmail.com> wrote:

> James -
> I'm currently running python-pdal version 2.1.8    and    pdal version
> 1.8.0. Not sure if those are mismatched or where I would check that. Conda
> doesn't seem to report any issues.
>
> Andrew -
> I get the following traceback which is what I attempted to use to
> understand the file structure on the Github. However, it doesn't seem very
> verbose.
>
> [image: image.png]
>
> David
>
> On Mon, Apr 1, 2019 at 9:21 AM James Klassen <klassen.js at gmail.com> wrote:
>
>> Just thinking about possible errors on Linux that can seem
>> random/impossible: Could there be a mismatch between the installed
>> python-pdal version and the pdal library versions? Could there be a
>> AppArmor/SELinux/etc. restriction that would depend on what program is
>> running?
>>
>> On Mon, Apr 1, 2019 at 8:01 AM Andrew Bell <andrew.bell.ia at gmail.com>
>> wrote:
>>
>>> I find this confusing.  Perhaps you can strace the python invocation and
>>> determine the syscall that's failing?  I can't help thinking this is still
>>> a filename or path issue, because things work fine through pdal info and
>>> the stage is invoked and run through the python interface but the file
>>> itself seems not to be loaded.  I'll do something to improve the error
>>> message, but I don't know when the change would make it into a conda build.
>>>
>>> On Fri, Mar 29, 2019 at 4:32 PM David Lewis <dlewi146 at gmail.com> wrote:
>>>
>>>> I installed PDAL through conda. I used the command "conda install
>>>> python-pdal -c conda-forge" .
>>>>
>>>> On Fri, Mar 29, 2019 at 2:52 PM Andrew Bell <andrew.bell.ia at gmail.com>
>>>> wrote:
>>>>
>>>>> It would be nice to know what's wrong.  What is the source of your
>>>>> PDAL installation?
>>>>>
>>>>> On Fri, Mar 29, 2019 at 2:25 PM David Lewis <dlewi146 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> The script still returns the same error when run with either an
>>>>>> absolute or relative path.
>>>>>>
>>>>>> Interestingly enough, running `pdal info filename` from the command
>>>>>> line seems to work fine. I can likely modify my top level program to call
>>>>>> it from the command line from now on.
>>>>>>
>>>>>> Should I just attempt to transition to using the command line from
>>>>>> now on or is this an error we should continue to pursue?
>>>>>>
>>>>>> David
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Fri, Mar 29, 2019 at 10:24 AM Andrew Bell <
>>>>>> andrew.bell.ia at gmail.com> wrote:
>>>>>>
>>>>>>> On Thu, Mar 28, 2019 at 6:26 PM David Lewis <dlewi146 at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> I've modified my code to use "filters.info" like yours and it
>>>>>>>> still is giving me that error.
>>>>>>>>
>>>>>>>
>>>>>>> I wouldn't have expected that to make any difference.  It just
>>>>>>> provided some feedback that the data was actually loaded.
>>>>>>>
>>>>>>>
>>>>>>>> I have also verified that the directory I am extracting the file
>>>>>>>> into has sufficient space and write permissions. Are you using the same
>>>>>>>> file that I sent in the .zip file or is that a different SLPK file?
>>>>>>>>
>>>>>>>
>>>>>>> Yes.
>>>>>>>
>>>>>>> I don't know what the problem might be.  I suppose you have run
>>>>>>> `pdal info  SMALL_AUTZEN_LAS_All.slpk` with the same result?
>>>>>>>
>>>>>>> Have you tried providing an absolute path when loading
>>>>>>> SMALL_AUTZEN_LAS_ALL.slpk?
>>>>>>>
>>>>>>> --
>>>>>>> Andrew Bell
>>>>>>> andrew.bell.ia at gmail.com
>>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> Andrew Bell
>>>>> andrew.bell.ia at gmail.com
>>>>>
>>>>
>>>
>>> --
>>> Andrew Bell
>>> andrew.bell.ia at gmail.com
>>> _______________________________________________
>>> pdal mailing list
>>> pdal at lists.osgeo.org
>>> https://lists.osgeo.org/mailman/listinfo/pdal
>>
>>

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