[Qgis-user] warper for vector layers?

Germán Carrillo carrillo.german at gmail.com
Tue Oct 25 01:06:42 PDT 2011


Hi Agustin,

if I understood well, you would need the Affine transformation plugin,
anyway, the current implementation ask you to include the transformation
parameters, so you need to do some calculations on your own before.

Regards,

Germán

2011/10/25 G. Allegri <giohappy at gmail.com>

> I don't think Qgis has vector warping tools. The Georeferencer plugin
> manages only raster data, and for its polynomial transformations based on
> GCPs use GDAL directly, which itself implements warping for rasters only.
>
> I think that writing a warping plugin for vectors woudn't be too hard, but
> it's not what you were looking for ;)
>
> giovanni
>
>
> 2011/10/25 Agustin Lobo <alobolistas at gmail.com>
>
>> Hi!
>>
>> We have a vector layer that has been digitized over a raster with
>> wrong settings (wrong pixel resolution).
>> Is there any way to correct the geometry of the vector layer by
>> defining control points with the new coordinates and apply
>> a warping in qgis?
>>
>> Agus
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>
>
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