[gdal-dev] gdaladdo bigtiff err but --config BIGTIFF was used

[Matt.Wilkie at yukon.ca]

> Your initial test.tif file needs to be a bigtiff, i.e. have been
> created with -co "BIGTIFF=YES". you can then drop the bigtiff 
> config arguments of your gdaladdo call.

Ahh, thanks Thomas, that indeed is the problem. 

Unfortunately for me it means in this case I'm stuck, as the original is jpeg-tiff and I don't want to pay the penalty of another decompress-recompress cycle to change to big tiff. However at least I know what's going on now.

-Matt