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June 2006
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2006.06.12 13:59 "Re: Editing a tiff image using libtiff", by Sachin Garg
On 6/7/06, Joris wrote: > Does this help? Or am I not understanding your question? Thanks Joris, your understanding of the question is correct. My primary concern is changed tile size. (Image size etc will stay the same.) Appending is a good option, but will waste space and it does changes the order of blocks/tags. My assumption here is that users might expect that a program doing minor edits will not restructure the entire file. (Imagine a huge tiff image where someone has saved the tiles in an order which minimize seeking etc... like in pyramidal tiffs.) I could be wrong in assuming that people might be structuring tiff images as per their requirements, I myself haven't worked on such applications. To maintain the order, I am just a bit overwhelmed by the complexity of having to update offsets of the all tags/values after the changed tile. Is it actually hard or is it just me? It will be really great if this can be possible using libtiff. Sachin Garg [India] www.sachingarg.com | www.c10n.info