[Qgis-user] problems with georeferencing results

[Richard Duivenvoorde]

On 2011-10-26 00:42, G. Allegri wrote:
> Ok, i got it.
> The reason it doesn't work is probably easily explained: the source X/Y
> are considered as raster space coordinates, while I thought that having
> the raster a CRS assigned this was kept into account during the warping.
> Probably manual re-georeferencing is conceptually unuseful, outside my
> exercise. Even if reprojection wasn't enough, the best way would be to
> remove any CRS reference from it.
> Tomorrow I will do more tests, but I'm pretty sure that I was simply
> trying a wrong procedure...

I think qgis/ogr takes your crs into account. But if you open your
raster (tiff) in Gimp, and save it again as a tiff, Gimp will 'help' you
to remove the crs information from your geo(tiff), giving you a plane
raster with not crs information to do your tests :-)

R