[gdal-dev] Introducing the cogger and godal projects

[Javier Jimenez Shaw]

Thanks Thomas!
I see this is in Go. Is there a C++ version of it? Or how easy is to use it
from C++ code?
Thanks.
.___ ._ ..._ .. . ._.  .___ .. __ . _. . __..  ... .... ._ .__
Entre dos pensamientos racionales
hay infinitos pensamientos irracionales.



On Fri, 4 Jun 2021 at 18:48, Even Rouault <even.rouault at spatialys.com>
wrote:

> I haven't benchmarked cogger but I'd expect it to be much faster than
> gdal_translate -of COG (if your input is GeoTIFF and always properly tiled
> and compressed of course!). gdal_translate -of COG uses generic GDAL API to
> acquire input data, which implies decompression / recompression. And in
> particular, if using input GeoTIFF with lossy compressed methods such as
> JPEG or WebP, cogger will avoid adding any new loss.
> Le 04/06/2021 à 18:28, thomas bonfort a écrit :
>
> I haven't extensively used -of COG (the cogger code actually predates the
> cog driver) but iirc there are at least some cases where it uses an
> intermediate file, which would imply that cogger does offer some speedups.
> I'll let Even confirm...
> Regards,
> Thomas
>
> Le ven. 4 juin 2021 à 18:14, <Matt.Wilkie at yukon.ca> a écrit :
>
>> Is cogger specifically for the scenario where your converting a large
>> imagery library that already exists, but isn't cloud optimized? i.e. Does
>> it offer any advantages over the one step `gdal_translate -of cog ...` when
>> starting fresh?
>>
>> Cheers,
>>
>> Matt
>> Geomatics Analyst | Environment | T 867-667-8133 | Yukon.ca
>> Hours: 08:30-16:30, Tue-Wed: Office, Thu-Fri: Remote.
>>
>
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