[pdal] Assign classification

[Silvia Franceschi]

Thanks a lot Luigi!
I added this to the pipeline:
{
          "type": "filters.ferry",
          "dimensions": "=>Classification"
   },
and now it seems to proceed!

Thanks again for the big help!

Silvia



On Tue, Apr 30, 2019 at 11:10 AM Luigi Pirelli <luipir at gmail.com> wrote:

> use filters.ferry for that
>
> https://pdal.io/stages/filters.ferry.html
>
> Luigi Pirelli
>
>
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> *
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>
> **************************************************************************************************
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>
> On Tue, 30 Apr 2019 at 10:54, Silvia Franceschi <
> silvia.franceschi at gmail.com> wrote:
>
>> Thanks Luigi,
>> you are perfectly right... this is a print of the details of first point:
>> "point":
>>     {
>>       "Blue": 155,
>>       "Green": 153,
>>       "Intensity": 2497,
>>       "PointId": 0,
>>       "Red": 159,
>>       "X": 63.45360184,
>>       "Y": 0.0307,
>>       "Z": 0
>>     }
>>
>> So now I should create the field for the classification, any idea?
>>
>> Thanks again!
>>
>> Silvia
>>
>>
>>
>>
>> On Tue, Apr 30, 2019 at 10:44 AM Luigi Pirelli <luipir at gmail.com> wrote:
>>
>>> can you check if Classification dimension is present? strange but seems
>>> it doesn't
>>>
>>> Luigi Pirelli
>>>
>>>
>>> **************************************************************************************************
>>> * LinkedIn: https://www.linkedin.com/in/luigipirelli
>>> * Stackexchange: http://gis.stackexchange.com/users/19667/luigi-pirelli
>>> * GitHub: https://github.com/luipir
>>> * Mastering QGIS 2nd Edition:
>>> *
>>> https://www.packtpub.com/big-data-and-business-intelligence/mastering-qgis-second-edition
>>> * Hire me: http://goo.gl/BYRQKg
>>>
>>> **************************************************************************************************
>>>
>>>
>>> On Tue, 30 Apr 2019 at 09:40, Silvia Franceschi <
>>> silvia.franceschi at gmail.com> wrote:
>>>
>>>> Dear all,
>>>> I am trying to extract the DTM from a point cloud of a terrestrial
>>>> LiDAR. Points of the survey are all of one single return and do no have a
>>>> classification.
>>>> To go on with the elaborations I guess that I have to assign a
>>>> classification of the points otherwise the tools (filter.smrf) do not work,
>>>> is this true?
>>>> I tried to use the command filters.assign with the following statement
>>>> in a pipeline (json file).
>>>>
>>>> {
>>>>           "type":"filters.assign",
>>>>     "assignment":"Classification[:]=0"
>>>>         },
>>>>
>>>> But  got this error:
>>>> PDAL: filters.assign: Invalid dimension name in 'assignment' option:
>>>> 'Classification'.
>>>>
>>>> Do some of you understand which is the problem?
>>>>
>>>> Thanks in advance for your help.
>>>>
>>>> Silvia
>>>>
>>>>
>>>> --
>>>> ing. Silvia Franceschi
>>>> Via Roma, 64
>>>> 38030 Castello di Fiemme (TN)
>>>>
>>>> tel: 0039 -3384501332
>>>> _______________________________________________
>>>> pdal mailing list
>>>> pdal at lists.osgeo.org
>>>> https://lists.osgeo.org/mailman/listinfo/pdal
>>>
>>>
>>
>> --
>> ing. Silvia Franceschi
>> Via Roma, 64
>> 38030 Castello di Fiemme (TN)
>>
>> tel: 0039 -3384501332
>> _______________________________________________
>> pdal mailing list
>> pdal at lists.osgeo.org
>> https://lists.osgeo.org/mailman/listinfo/pdal
>
>

-- 
ing. Silvia Franceschi
Via Roma, 64
38030 Castello di Fiemme (TN)

tel: 0039 -3384501332
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