2004.12.08 15:56 "Re: [Tiff] Q: writing tiled TIFFs", by Bob Friesenhahn
I don't know about a tutorial, but feel free to check out how GraphicsMagick does it. You can view the source file on-line at "http://cvs.graphicsmagick.org/cgi-bin/cvsweb.cgi/GraphicsMagick/coders/tiff.c".
Unfortunately, I must admit that the 'O' part of this code does not actually get executed at the moment since a flag is not being set. It is part of the Pyramid TIFF support. Re-enabling the code is on my list of things to do.
I am not sure which code's 'O' part you are talking of here.
I am talking about GraphicsMagick. The TIFF tiled option is never set (oops!) so tiled output is not produced.