[gdal-dev] why aerophoto-strip is black ??

Jan Tappenbeck tappenbeck at widemann.de
Thu Dec 3 08:48:46 EST 2009


hi !

it is very difficult - i open the 11 files now again in the 
OpenEV-Viewer and every time it is ANOTHER picture that will not be show 
!!!!!

Did you think it could be a problem by the memory (3 GB) ???

regards jan :-)

CH.... können auch deutsch mailen ?

Gruß Jan :-)

Chaitanya kumar CH schrieb:
> Jan,
>
> Can you provide the gdalinfo of the individual strips?
>
> On Thu, Dec 3, 2009 at 6:35 PM, Jan Tappenbeck <tappenbeck at widemann.de> wrote:
>   
>> hi !
>>
>> i had 11 strip-images of aerophotos with total 200MB.
>>
>> i want to merge this with gdal_merge.py by using FWTools in Windows.
>>
>>     
>>> gdal_merge -v -o file.tif -of GTIFF --co --optfile filelist.txt
>>>       
>> the result is a file with 8.85 GB. when i open the file in OpenEV one of
>> the image-strip will not show ! it is black.
>>
>> look at http://www.tappenbeck.net/forum/gdal/gdal_merge_missing_strip.jpg -
>> there is a picture of this result in OpenEV.
>>
>> then i try to make a workaround and translate every ecw to tif - open eveny
>> one to controll -> ok.
>>
>> in the next step i merge these 11 strips to one tif-file with gdal_merge
>>
>> but the result - one strip is missing !
>>
>> can anybody help me ??
>>
>> regards Jan .-)
>> _______________________________________________
>> gdal-dev mailing list
>> gdal-dev at lists.osgeo.org
>> http://lists.osgeo.org/mailman/listinfo/gdal-dev
>>
>>     
>
>   


-- 

Freundliche Grüße
i.A. Jan Tappenbeck

Dipl. Vermessungsingenieur
CAD-Systemberater & AutoCAD-Support

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