2022.12.10 02:16 "Re: [Tiff] How to write multi-file TIFFs", by L. E. Segovia

Yes, I did this, but not even GIMP recognises such multi-page files.

On a related matter, judging from https://linux.die.net/man/3/tiffsetdirectory, there should be a way to not need to tamper with TIFFTAG_SUBIFD, i.e. using TIFFReadDirectory sequentially. In fact, it was the approach we were using up to now.

That brings me a few questions to mind:

• Does anyone know if that's the intended use of TIFFReadDirectory? If so, wasn't the function intended to seek into the next directory on its own?
• Alternatively, are we supposed to use TIFFSetSubdirectory before each TIFFReadDirectory? (getting the offsets with TIFFGetField)

Best,

amyspark

amyspark 🌸 https://www.amyspark.me