2012.11.25 13:01 "Re: [Tiff] help writing thumbnails to TIFF file?", by Edward Lam
On 23/11/2012 8:59 PM, Olivier Paquet wrote:
It's a hack that suited them fine. It's unlikely it'll ever suit you or anyone else. TIFFCheckpointDirectory is to LibTiff, like Stonehenge
> Hey, we use that function for the same purpose and it still works
> great in libtiff 4 :) But I agree pretty much everyone else should > never call it.
For record, we also use this feature  and find it immensely helpful for our users.
1. Although we haven't upgraded to libtiff 4 yet.