[gdal-dev] gdaladdo

[Even Rouault]

Look at TIFF_SETTING in GDALmake.opt.

Le Thursday 18 June 2009 22:31:12 Dillabough, Craig, vous avez écrit :
> I am using the latest and greatest GDAL. I compiled/installed it by hand
> (so to speak) so I am not sure which libtiff I am using - I will check
> config.log and get back to you tommorrow (need to catch my ride home) -
> unless you know of an easier way to check.
>
> Thanks for your help.
>
> Craig
>
>
>
>
>
>
>
> -----Original Message-----
> From: Even Rouault [mailto:even.rouault at mines-paris.org]
> Sent: Thursday, June 18, 2009 4:18 PM
> To: gdal-dev at lists.osgeo.org
> Cc: Dillabough, Craig
> Subject: Re: [gdal-dev] gdaladdo
>
>
> Craig,
>
> This should work.
>
> Are you using an older GDAL version ? Are you using external libtiff ?
>
> If so, try again with newer GDAL and internal libtiff (although I wouldn't
> older GDAL to fail on a simple case like yours that doesn't involve TIFF
> compression)
>
> Le Thursday 18 June 2009 21:50:25 Dillabough, Craig, vous avez écrit :
> > Hi,
> > I am trying to tile and create overviews for a TIFF image dataset I
> > have, but I keep getting strange errors when attempting to add
> > overviews.
> >
> > 1st I created a copy of the original image (same format and all, but
> > wanted to keep the original around in case I had problems).
> >
> > >gdal_translate -ot Float32 -of GTiff Av.MaxNDVI.2000.2009.Week.19.tif
> >
> > trans/week19.tif
> >
> > >cd trans
> >
> > Then I tiled the image (I guess I could have done this in one step by
> >
> > adding -co "TILED=YES" to the previous step):
> > >gdal_translate -ot Float32 -of GTiff -co "TILED=YES" week19.tif
> >
> > week19_tiled.tif
> >
> > Then I tried to add the overviews:
> > > gdaladdo -r average -ro week19_tiled.tif 2 4 8 16
> >
> > I get the following (I've added some whitespace for clarity):
> > 0...10...20...30...40...50...60...70...
> > Warning 1: TIFFReadDirectory:week19_tiled.tif.ovr: Wrong
> > "StripByteCounts" field,
> > ignoring and calculating from imagelength
> > Warning 1: TIFFReadDirectory:week19_tiled.tif.ovr: Wrong
> > "StripByteCounts" field,
> > ignoring and calculating from imagelength
> > ERROR 1: week19_tiled.tif.ovr:DumpModeDecode: Not enough data for
> > scanline 0
> > ERROR 1: TIFFReadEncodedTile() failed.
> >
> > ERROR 1: IReadBlock failed at X offset 0, Y offset 3
> > ERROR 1: GetBlockRef failed at X block offset 0, Y block offset 3
> >
> > I get effectively the same error when I run this without the -ro option.
> >
> > Any idea's what is going wrong.
> >
> > Regards,
> > Craig Dillabaugh
> >
> >
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