[gdal-dev] validate_cloud_optimized_geotiff.py returns invalid

[Patrick Young]

Sorry gdal_translate!

On Fri, Jan 29, 2021 at 2:34 PM Patrick Young <
patrick.mckendree.young at gmail.com> wrote:

> What happens if you run it through "gdalwarp -of COG in.tif out.tif"?
>
> On Fri, Jan 29, 2021 at 10:05 AM Javier Jimenez Shaw <j1 at jimenezshaw.com>
> wrote:
>
>> Hi all
>>
>> I am generating a COG file with GDAL 3.2.0 (compiled in my Ubunut 18.04)
>> in C++
>> Nothing strange, just
>>
>> GDALDriver* driver = GetGDALDriverManager()->GetDriverByName("COG");
>> driver->CreateCopy(dst.c_str(), srcDataset, true, ...);
>>
>> where srcDataset is just another geotiff I opened in read mode.
>>
>> Later, I run the python script to validate, and returns this:
>>
>> ./gdal/swig/python/samples/validate_cloud_optimized_geotiff.py
>> img_2962c146-95ec-4976-a33a-a83a8e659f88.tifcog.jpg.tiff
>> img_2962c146-95ec-4976-a33a-a83a8e659f88.tifcog.jpg.tiff is NOT a valid
>> cloud optimized GeoTIFF.
>> The following errors were found:
>>  - The offset of the main IFD should be 226. It is 26010218 instead
>>  - The offset of the IFD for overview of index 0 is 4016, whereas it
>> should be greater than the one of the main image, which is at byte 26010218
>>
>> Am I doing something wrong?
>>
>> Thank you
>> .___ ._ ..._ .. . ._.  .___ .. __ . _. . __..  ... .... ._ .__
>> Entre dos pensamientos racionales
>> hay infinitos pensamientos irracionales.
>>
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>>
>
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