[gdal-dev] Re: gdal_merge and BIGTIFF option fails

[WolfgangZ]

Frank Warmerdam schrieb:
> WolfgangZ wrote:
>> Hi,
>> I'm trying to merge some tiles into a single tiff file that will be 
>> bigger than 4 GB. But when it reaches the 4GB the following error occurs:
>> FIFFWriteEncodedTile() failed
>> TIFFAppendToStrip: Maximum TIFF file size exeeded.
>>
>> I have also to report that in the very beginning I get following error:
>> TIFFFetchStripThing: Sanity check on size of "TileOffsets" value failed.
>>
>> I'm using WFTools 2.0.4 on Ubuntu
> 
> Wolfgang,
> 
> I tried creating a bigtiff with gdal_translate and FWTools 2.0.6 and it
> seemed to work.  I suspect this was a temporarily problem fixed since
> 2.0.4.  Could you try again with 2.0.6 and if the problem persists
> file a ticket against GDAL with the details?
> 
> I did:
> 
> gdal_translate ~/utm.tif -outsize 100000 50000 big.tif
> 
> which with debug enabled reported:
> 
> GDAL: GDALOpen(/wrk/home/warmerda/utm.tif) succeeds as GTiff.
> Input file size is 512, 512
> 0GTiff: Automatically flipping to Bigtiff due to large file size
> GDAL: GDALOpen(big.tif) succeeds as GTiff.
> GDAL: GDALDatasetCopyWholeRaster(): 100 line swath, bInterleave=0
> ...10...20...30...40...50...60...70...80...90...100 - done.
> GDAL: GDALClose(big.tif)
> GDAL: GDALClose()
> GDAL: GDALClose(/wrk/home/warmerda/utm.tif)
> GDAL: GDALDeregister_GTiff() called.
> 
> Best regards,

the problem was that I had the create option "COMPRESS=JPEG". With JPEG 
compression edit in place is not possible.

Regards
Wolfgang