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

2013-06-04 Thread Alexia Mondot
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

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

2013-06-04 Thread 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

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

2013-06-04 Thread Blumentrath, Stefan
-user-boun...@lists.osgeo.org] On Behalf Of Alexia Mondot Sent: 4. juni 2013 12:00 To: Qgis-user@lists.osgeo.org Subject: [Qgis-user] Clipping tool for non-georeferenced data 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

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

2013-06-04 Thread Alexia Mondot
I have to manage products. Some are georeferenced, some aren't. I have the same actions to do on these products. For all others, it seems to work. That's why I am worried about this functionality. So there is not a way to do that in qgis ? It does not seem to be difficult to do. Just to add the