[Qgis-user] [QGis 2.10]Error while saving shape file

[Lester Anderson]

I have not come across this error (so far) when working with
shapefiles, and we often exchange shapefiles generated in QGIS with
ArcGis people. Is it a problem with data with lots of attributes? Will
need to test with 2.10 and 2.12.

On 8 February 2016 at 15:54, Pierre Muckensturm <pierre at georezo.net> wrote:
> I''ve created the file in QGis, edited it in QGis, never used esri with this
> file. Id is the default field  (i'm assuming this is the object id) QGis
> create when you create a shp.
>
> Le 8 févr. 2016 16:02, "Mats Elfström" <mats.elfstrom at gmail.com> a écrit :
>>
>> Hi Pierre!
>> Your Id field, which you updated, is it the FID or Object ID field in the
>> shapefile?
>> If so, you have broken the shape file by updating it outside of ESRI
>> applications.
>> The FID is the internal key between the geometry and the dbase attribute
>> table, and it should never be altered or trusted, or used for any purpose.
>> Actually, QGis ought to hide that field by default.
>>
>> Regards, Mats.E
>>
>> 2016-02-08 14:34 GMT+01:00 Pierre Muckensturm <pierre at georezo.net>:
>>>
>>> Hi,
>>>
>>> I use a QGis 2.10 version,  X64 on Windows installed with Osgeo4W.
>>>
>>> I'll try to explain the bug.
>>>
>>> I work on a map, with a shape file of polygons. They are not really
>>> complex, nor numerous (25). I got   id,    DOSSIER,    NOM_OPERAT,
>>> PRIORITE,    COMMENTA,    DATE_MAJ,    SOURCE,    LIBELLE_X, LIBELLE_Y
>>> fields and         SURF_HA which is a virtual field.
>>>
>>> Friday, it took me 5 min to save the file each time I modify a vertex.
>>>
>>> Today, I update my id field with the expression "$id". Then, my shape
>>> file looks like a totally mess (look at the imgur album :
>>> http://imgur.com/a/noSM2). The LIBELLE_X, LIBELLE_Y fields have disappeard,
>>> the DOSSIER field which used to be null is now partially fulled, the
>>> NOM_OPERAT are truncated, fulled in a completelly non-sense manner. As for
>>> PRIORITE, DATE_MAJ.
>>>
>>> Conclusion, 2 days of work in a trash. I'm quite pissed off, according
>>> with the fact that I'm trying to convince my superior we shall use QGis.
>>>
>>> So, what happened ? How could this happen ? Sorry but I don't have the
>>> genuine files, and the data are quite sensitive.
>>>
>>>
>>> --
>>> PLM
>>>
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>>
>>
>>
>>
>> --
>> ______________________________________________
>> Mats Elfström, Väpplingvägen 21, SE-227 38 LUND, Sweden
>> tel: +46 46 145959 / mob: +46 70 595 39 35
>> alt e-mail: mats.elfstrom at giskraft.com
>>
>
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