[pdal] Assign classification

[Luigi Pirelli]

use filters.ferry for that

https://pdal.io/stages/filters.ferry.html

Luigi Pirelli

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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
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