Re: DRAFT: eXIf 2017-03-02

On Fri, Mar 3, 2017 at 8:03 AM, Glenn Randers-Pehrson <[email protected]> wrote:
> On Fri, Mar 3, 2017 at 10:50 AM, John Bowler
> <[email protected]> wrote:
>
>> I also don't see why I shouldn't just put the EXIF tags into IFD[0];
>
> What made sense to me was to allow multiple eXIf chunks, and
> put the IFD0 stuff in one, GPS stuff in another, and thumbnail
> in still another.  But no one liked that, so we have what we have.

The point I'm trying to make is that attempting to fix CIPA2016 by
copying bits into PNG and making them clear isn't likely to work; it
creates a new set of rules that are likely differ from the
interpretation that comes from CIPA2016 experts.

Having just spent a couple of hours looking at the relevant parts of
CIPA2016 it's pretty clear to me what is expected; I've managed to
answer all three "I don't see why" comments above.  I did this by
reading CIPA2016; reading PNG just made things confusing.

-- 
John Bowler <[email protected]>
+1 (541) 450-9885
PO BOX 3151
KERBY OR 97531-3151
USA

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