Possible Duplicate:
Polygonize function doesn’t overlay the shape file over the raster file

When using "Polygonize" in Quantum GIS, I'm getting a polygon shapefile output that is a mirror picture of the (1-band) raster image. Where have I done wrong?

merged by underdark Jan 25 '13 at 21:58

This question was merged with Polygonize function doesn't overlay the shapefile over the raster file because it is an exact duplicate of that question.

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