[gdal-dev] validate_cloud_optimized_geotiff.py returns invalid

[Javier Jimenez Shaw]

Thanks for the tip. It works with gdal_translate. There was a mistake in my
side.

.___ ._ ..._ .. . ._.  .___ .. __ . _. . __..  ... .... ._ .__
Entre dos pensamientos racionales
hay infinitos pensamientos irracionales.



On Fri, 29 Jan 2021 at 22:35, Patrick Young <
patrick.mckendree.young at gmail.com> wrote:

> 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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