[Gdal-dev] gdaladdo question

[Frank Warmerdam]

John Novak wrote:
> Is it a Bad Thing to run the same gdaladdo command over a TIFF file more 
> than once ?

John,

It should be harmless.  I believe it will spend quite a bit of time
recomputing the overviews.  In particular, you should not end up with
duplicate overviews in the file, though you might want to use tiffinfo
on the file to verify that.

Best regards,
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