[gdal-dev] TILED=NO creates a tiled TIFF?

Frank Warmerdam warmerdam at pobox.com
Mon Jun 23 13:03:08 EDT 2008


Maciej Sieczka wrote:
> Frank Warmerdam pisze:
>> Maciej Sieczka wrote:
> 
>>> Thanks for the hint. Unfortunatelly gdal_translate segfaults then:
>>>
>>> Starting program: /usr/local/bin/gdal_translate -co "TILED=YES" -co
>>> "BLOCKYSIZE=1" check.tif check3.tif
> 
>> It appears you switched back to TILED=YES from TILED=NO.
> 
> Sorry! It was late.
> 
>> A blockysize of
>> 1 is not legal for tiled files.  I'm not sure why things crashed though.
>> You might want to file a ticket on that aspect.
> 
> Will do.
> 
>> But try:
>>
>> gdal_translate -co TILED=NO -co BLOCKYSIZE=1 check.tif check3.tif
> 
> Seems to work, but throws out an error:
> 
> $ gdal_translate -co "TILED=NO" -co "BLOCKYSIZE=1" check.tif check3.tif
> Input file size is 4090, 2216
> ERROR 1: TIFFReadDirectory:Cannot handle zero number of tiles
> 0...10...20...30...40...50...60...70...80...90...100 - done.
> 
> Is everything OK?

Maciek,

Strange, I do not see the same behavior:

warmerda at gdal64[13]% gdal_translate -co TILED=NO -co BLOCKYSIZE=1 utm.tif 
out.tif --debug off
Input file size is 512, 512
0...10...20...30...40...50...60...70...80...90...100 - done.

The error message is concerning to me, but it is hard to know if things
worked or not.  Viewing the resulting file, and inspecting a tiffinfo
report on it would be helpful.

Best regards,

-- 
---------------------------------------+--------------------------------------
I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
light and sound - activate the windows | http://pobox.com/~warmerdam
and watch the world go round - Rush    | President OSGeo, http://osgeo.org



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