[Qgis-user] Check geometry validity tools

Matt Boyd mattslists at gmail.com
Fri Sep 5 09:58:24 PDT 2014


If you can't select that feature, can you select everything else and save
the selection as a new file?
On 05/09/2014 6:07 pm, "Alessio Degioannini" <a.degioannini at proterstudio.com>
wrote:

> Hi All,
> as i have written in the first message, the polygon is a ring with less
> then 4 points...
>
>> You may try to correct the invalid feature with the PlainGeometryEditor
>> plugin: https://plugins.qgis.org/plugins/plaingeometryeditor/
>>
>> Here you can manually edit each ring and vertex by manipulating the
>> coordinates in a text-field.
>>
> The polygon is not selectable, also in PlainGeometryEditor.
>
> Alessio
>
> *************************************************
> Alessio Degioannini - dottore forestale
> PROTER - Studio Associato Agronomico e Forestale
> C.so Stati Uniti, 27 - 10128 TORINO (ITALY)
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> P.E.C.: a.degioannini at epap.conafpec.it
> *************************************************
>
> Il 05/09/2014 09:13, Bernhard Ströbl ha scritto:
>
>> Hi Andreas,
>>
>> you maybe right. However we do not know :-) . I was under the impression
>> it is a simple polygon with only one ring with less than 4 points. ring0 is
>> the first (and if it is a plain polygon the only) ring, isn't it?
>>
>> Bernhard
>>
>> Am 05.09.2014 09:00, schrieb Andreas Neumann:
>>
>>> I think that Alessio is trying to select an invalid ring within a
>>> polygon or multipolygon. This is not possible in the table.
>>>
>>> You may try to correct the invalid feature with the PlainGeometryEditor
>>> plugin: https://plugins.qgis.org/plugins/plaingeometryeditor/
>>>
>>> Here you can manually edit each ring and vertex by manipulating the
>>> coordinates in a text-field.
>>>
>>> Hope this helps,
>>> Andreas
>>>
>>> Am 05.09.2014 06:55, schrieb Bernhard Ströbl:
>>>
>>>> Hi,
>>>> if you cannot select it graphically you should select it in the table
>>>>
>>>> Bernhard
>>>>
>>>> Am 05.09.2014 08:48, schrieb Alessio Degioannini:
>>>>
>>>>> Yes.
>>>>>
>>>>> Il 05/09/2014 08:02, Hakala Oiva (MTT) ha scritto:
>>>>>
>>>>>> Have you enabled editing?
>>>>>>
>>>>>> Oiva
>>>>>>
>>>>>> Well: now i'm trying to select it for delete it, but it seems
>>>>>> impossible....
>>>>>> Someone can help me?
>>>>>> Best regards.
>>>>>>
>>>>>> Alessio
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>
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