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Lähettäjä: Kurt Schwehr
Lähetetty: perjantai 3. marraskuuta 2023 3.08
Vastaanottaja: Even Rouault
Kopio: Rahkonen Jukka ;
'gdal-dev@lists.osgeo.org' (gdal-dev@lists.osgeo.org)
Aihe: Re: [gdal-dev] Show isBigTIFF in image metadata
Jukka,
What's the exact use case for needing to kn
Jukka,
What's the exact use case for needing to know if a tiff is traditional or
BigTIFF? Is there a key tool that doesn't understand BigTIFF? The only one
I know of is Autodesk Civil3D.
Thanks,
-Kurt
On Thu, Nov 2, 2023 at 2:49 PM Even Rouault via gdal-dev <
gdal-dev@lists.osgeo.org> wrote:
>
Jukka,
Does it feel reasonable? I know that overviews may be standard TIFFs
while the main image is BigTIFF but maybe the information from the
header would be enough. Or have I missed some existing tool? I thought
that tiffinfo at least would report TIFF/BigTIFF but it doesn’t.
tiffdump d
Hi,
I tried to find some easy way for checking with GDAL if an image is a standard
TIFF or BigTIFF but I could not find any. It seems that "more big.tiff" on
Windows finds "II+" from the beginning of the file if the image is BigTIFF and
"II*" otherwise. Or then I can open the image with a hex e