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I'm trying to convert a bmp image in BNG to WGS84 using gdalwarp (via QGIS). It seems to be running without errors but the output is all black. What am I doing wrong?

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up vote 2 down vote accepted

Did you try it outside of QGIS (e.g. via command line?) - that would be the first thing to test.

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specfically I used the verison of gdal that FWTools provides to get it to work – jk. Feb 20 '11 at 7:21

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