[Qgis-user] Vortex coordinates

G. Allegri giohappy at gmail.com
Sun Jul 27 15:21:08 PDT 2014


Polygon to points: Vector - Geometry Tools - Nodes extraction
Il 27/lug/2014 19:46 "daniel pinto" <daniel.ar.pinto at gmail.com> ha scritto:

> Thank you!!! I will try it as soon as i arrive home!! Alll the best!!!
> Em 27/07/2014 16:30, "G. Allegri" <giohappy at gmail.com> escreveu:
>
>> You can extract the vertexes of your polygon as a new layer. You can do
>> it with a tool that you can find under the Vector menu and/or Processing
>> QGIS algorithms, I don't remember exactly and I don't have a PC right  now.
>>
>> Then you can use the Field Calculator to create two new columns on your
>> point layer using the $x and $y expressions. I. e. open the attribute
>> table, toggle on editing, and open the Field Calculator. Set the new field
>> as "Double" (decimal) and choose a meaningful precision. Write in the
>> expression $x. This will populate thw new column with the X coordinates of
>> your points. Do the same for Y.
>>
>> Then you can save the point layer as CSV, that you can open in a
>> spreadsheet editor like Excel.
>>
>> giovanni
>> Il 27/lug/2014 17:18 "daniel pinto" <daniel.ar.pinto at gmail.com> ha
>> scritto:
>>
>>> Dear all
>>>
>>> I've got a limited protection zone around a city witch is a poligonon
>>> and i need to know pease if its possible to make a excel sheet with the
>>> vortexes coordinates.... i kwon that with the fild calculator i can know
>>> the nr of vortices is it possible to add theur coordinates automaticly??!
>>>
>>> Thanks in advanced!!!
>>> All the best
>>>
>>> _______________________________________________
>>> Qgis-user mailing list
>>> Qgis-user at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/qgis-user
>>>
>>
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