[Qgis-user] Clipping tool for non-georeferenced data

[Werner Macho]

Hi!

Well to be honest .. I would "clip" non georeferenced data in gimp .. There
you have plenty of options to mask and cut/clip your non georeferenced
images ..
Unless you have a specific reason to do that in QGIS ..

kind regards
Werner


On Tue, Jun 4, 2013 at 11:59 AM, Alexia Mondot <alexia.mondot at c-s.fr> wrote:

>  Hello,
>
> I've add to QGIS non georeferenced data. It is added in 0,0, north up,
> south down. So the y is negative.
> When I tried to extract a part of my data with the clipper, I get an error
> :
>
> Error: Computed -srcwin 266 -145 175 -126 has negative width and/or height.
>
> or
> Computed -srcwin falls outside raster size of 156x144.
>
>
>  I understand that it is because the coordinate y is negative and the tool
> can't match it with the real coordinate.
> Is there a way to clip a non georeferenced data ?
>
> Thanks by advance,
> Alexia
>
>
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