Andreas Joisten <mail <at> andreas-joisten.de> writes:

 
> Hi all,
> Does gdalwarp support a horizontal flipping for a raster image?

I doubt it really supports flipping but you can fool it by falsifying the
worldfile.  Original tfw:
9.59221863494081
0.0
0.0
-9.59221863494081
3410565.2630452723
6886078.998445481

North coordinate made to grow downwards

9.59221863494081
0.0
0.0
9.59221863494081
3410565.2630452723
6886078.998445481

gdalwarp fliptest.tif fliptest2.tif

Fliptest2.tif is upside down.

-Jukka Rahkonen-

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