Graph documentation [was: Re: Meaning of GF settings]

[Pierre-Yves Chibon]

On Tue, 2013-01-08 at 11:39 -0800, Linus Torvalds wrote:
> On Tue, Jan 8, 2013 at 11:25 AM, Pierre-Yves Chibon <pingou at pingoured.fr> wrote:
> >
> > At least for beginners divers such as myself, it would be usefull as, for
> > example, all my dives cross the ceiling at the end (which appears to be normal,
> > but up to which point?)
> 
> Seriously? That's definitely not normal. For a beginning diver, you
> should seldom really see a deco ceiling at all, much less one where
> your dive cross into it, unless you set some very conservative deco
> settings.
> 
> Willing to post your divelog? A single dive might do it, but because
> the deco is calculated over the history of the last few days, it
> should probably be at least one divetrip (up until the dive that shows
> the behavior).

Attached are the two first dives I did with my computer, the first dives
of the trip as well.
We did have a deco stop during the second dive (#9) but we 'only' did
the safety stop 3min/3m during the first dive (#8)

> Of course it may be that you just have a very permissive dive computer
> and just ascend very early.

I have a suunto vyper which was set at P1 (preference 1, more
conservative than the default, less than P2). The divemaster on the
second dive had the same computer set at P0 which was telling him that
there was no need for a stop beside the usual 3min/3m.

I used the default parameters btw (GFlow 30 and GFhigh 75).

Pierre
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