[Qgis-user] warper for vector layers?

[Agustin Lobo]

Does the current raster georeferencer output the parameters used for
the warping? A fast solution would getting
trying on a raster layer first and then using the affine
transformation plugin with the same parameters.

Agus


El día 25 de octubre de 2011 10:06, Germán Carrillo
<carrillo.german at gmail.com> escribió:
> 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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