[pdal] First steps using PDAL in osgeo4W

Wed Apr 3 04:12:16 PDT 2019

Hi all,
sorry for continuous questions...
I installed Anaconda and then pdal on my Linux PC in office and here (with
pdal 1.8 version) it seems to have density but not the PCL filtering, could
it be right?

Regarding my previous question about the path, do you have any idea on
which is the error?

Thanks

Silvia

On Wed, Apr 3, 2019 at 1:09 PM Silvia Franceschi <
silvia.franceschi at gmail.com> wrote:

> Hi all,
> sorry for continuous questions...
> I installed Anaconda and then pdal on my Linux PC in office and here (with
> pdal 1.8 version) it seems to have density but not the PCL filtering, could
> it be right?
>
> Regarding my previous question about the path, do you have any idea on
> which is the error?
>
> Thanks
>
> Silvia
>
>
> On Tue, Apr 2, 2019 at 5:29 PM Silvia Franceschi <
> silvia.franceschi at gmail.com> wrote:
>
>> Thanks!
>>
>> Last question for today... promised...
>> how can I insert the path of a las in a pipeline json file (using Conda
>> in windows)?
>>
>> it is quite impossible for me to change the folder in the Anaconda Promt
>> with the standard CD ... so I am forced to work in the main user folder.
>> My data are on an hard disk: F:\
>>
>> So in the json file with the script I inserted the following path:
>> F:/2019_project/pdal/test_data/D_Geologie.las
>>
>> but I get this error:
>> PDAL: PCL pipeline: Unable to parse pipeline file:
>> * Line 1, Column 1
>>   Syntax error: value, object or array expected.
>>
>> Silvia
>>
>>
>>
>> On Tue, Apr 2, 2019 at 4:50 PM Howard Butler <howard at hobu.co> wrote:
>>
>>> Yes, density will be available at 1.9
>>>
>>> On Apr 2, 2019, at 9:45 AM, Silvia Franceschi <
>>> silvia.franceschi at gmail.com> wrote:
>>>
>>> Thanks,
>>> so after the release I can just try to do un update to have also the
>>> density?
>>>
>>> Thank you very much, very quick and helpful! :-D
>>>
>>> Silvia
>>>
>>>
>>> On Tue, Apr 2, 2019 at 4:42 PM Howard Butler <howard at hobu.co> wrote:
>>>
>>>> Density not being available is a bug in 1.8.0 that will be fixed in 1.9
>>>> when it is released at the end of the week.
>>>>
>>>> https://github.com/PDAL/PDAL/issues/2283
>>>>
>>>>
>>>>
>>>> On Apr 2, 2019, at 9:40 AM, Silvia Franceschi <
>>>> silvia.franceschi at gmail.com> wrote:
>>>>
>>>> ok, it works now, PCL is present but not the density...
>>>> The following commands are available:
>>>>   - delta
>>>>   - diff
>>>>   - fauxplugin
>>>>   - ground
>>>>   - hausdorff
>>>>   - info
>>>>   - merge
>>>>   - pcl
>>>>   - pipeline
>>>>   - random
>>>>   - smooth
>>>>   - sort
>>>>   - split
>>>>   - tile
>>>>   - tindex
>>>>   - translate
>>>>
>>>> pdal --version
>>>> pdal 1.8.0 (git-version: Release)
>>>>
>>>> Is this correct? So I am now able to go on trying to add some filers to
>>>> my data for a good DTM... any suggestions?
>>>>
>>>> Silvia
>>>>
>>>>
>>>> On Tue, Apr 2, 2019 at 4:30 PM Bradley Chambers <
>>>> brad.chambers at gmail.com> wrote:
>>>>
>>>>> Yes, exactly - activate first, before trying any PDAL commands. Let us
>>>>> know if this works for you.
>>>>>
>>>>> On Tue, Apr 2, 2019 at 10:24 AM Silvia Franceschi <
>>>>> silvia.franceschi at gmail.com> wrote:
>>>>>
>>>>>> Thanks Bradley,
>>>>>> I followed the instruction on line and did this command:
>>>>>> conda create --yes --name myenv --channel conda-forge pdal
>>>>>>
>>>>>> and also the
>>>>>> conda update pdal
>>>>>> which gives to me an error...
>>>>>>
>>>>>> Now that I was searching the output of the conda install I found that
>>>>>> perhaps it is necessary to activate my environment? Is this what you mean
>>>>>> in your email?
>>>>>>
>>>>>> This is the command:
>>>>>> conda activate myenv
>>>>>>
>>>>>> and then I can use pdal in the Anaconda Promt with the same syntax as
>>>>>> in the manual?
>>>>>>
>>>>>> Thanks again
>>>>>>
>>>>>> Silvia
>>>>>>
>>>>>>
>>>>>> Silvia
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Tue, Apr 2, 2019 at 3:25 PM Bradley Chambers <
>>>>>> brad.chambers at gmail.com> wrote:
>>>>>>
>>>>>>> Let us know the exact commands you used to install via Conda. It
>>>>>>> should have installed PDAL v1.8. I'm wondering if you installed to a conda
>>>>>>> environment, but have not activated it yet, hence it's picking up your
>>>>>>> previous OSGeo4W attempt.
>>>>>>>
>>>>>>> On Tue, Apr 2, 2019 at 9:22 AM Silvia Franceschi <
>>>>>>> silvia.franceschi at gmail.com> wrote:
>>>>>>>
>>>>>>>> Thanks again,
>>>>>>>> I just installed Anaconda3 on my PC and it seems to work, I
>>>>>>>> installed pdal in it and this is the version:
>>>>>>>> pdal --version
>>>>>>>> pdal 1.7.2 (git-version: Release)
>>>>>>>>
>>>>>>>> I just checked and realized that nor density or PCL are included in
>>>>>>>> this installation too... is there a way to use the PCL filtering?
>>>>>>>>
>>>>>>>> In addition, if I try pdal --drivers I get an exception: Impossible
>>>>>>>> to find the initial point (not sure if this is the correct sentence because
>>>>>>>> I translated this from Italian message...).
>>>>>>>>
>>>>>>>> pdal --help also gives the same exception but it prints something
>>>>>>>> in the console, in particular:
>>>>>>>> The following commands are available:
>>>>>>>>   - delta
>>>>>>>>   - diff
>>>>>>>>   - ground
>>>>>>>>   - hausdorff
>>>>>>>>   - info
>>>>>>>>   - merge
>>>>>>>>   - pipeline
>>>>>>>>   - random
>>>>>>>>   - sort
>>>>>>>>   - split
>>>>>>>>   - tindex
>>>>>>>>   - translate
>>>>>>>>
>>>>>>>> Did I missed something during installation or this is the standard
>>>>>>>> installation for running pdal with Conda in Windows?
>>>>>>>>
>>>>>>>> Thanks and sorry again for the questions...
>>>>>>>>
>>>>>>>> Silvia
>>>>>>>>
>>>>>>>>
>>>>>>>>>>>

-- 
ing. Silvia Franceschi
Via Latemar, 22
38030 Castello di Fiemme (TN)

tel: 0039 -3384501332
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