[Subsurface-divelog/subsurface] [Idea] Rock bottom/Minimum gas calculation (#188)

[Rick Walsh]

On 6 March 2017 at 17:32, Stefan Fuchs <sfuchs at gmx.de> wrote:

> Hallo Dirk,
> Am 06.03.2017 um 06:41 schrieb Dirk Hohndel:
>
> How is this progressing? Since I have started to pull new features maybe
> this should get merged as well?
> Or is it still too early for that?
>
> This is the status:
> Implementation and review: Code unchanged since a few days. No known
> issues. Review once done by Robert.
> Testing: Only by me. No feedback yet from Rick, Pablo,...
>

Sorry for being so slow to do any testing and provide feedback.  In my
limited testing, I have verified that it works and produces expected
results.  On the UI side, I'd consider taking the SAC factor and Problem
solving time preferences out of Gas options, and creating a new group below
called Minimum gas calculation.  But if you'd prefer not to, it's still an
ACK from me.


> Documentation: Not yet but I can write s.th. for the user manual during
> the next days.
>

In the manual entry, it might be worth acknowledging that there are many
ways to calculate minimum gas, and this is just one.  For instance, GUE
advocate adopting a slower ascent rate of 3m/min, compared to 9m/min used
for planning.  This is almost equivalent to tripling the SAC factor that
would otherwise be used; the difference being that it then triples the
problem solving gas use.


> Automated tests: Not yet.
>
>
> Best regards
> Stefan
>
> --
>
> Stefan Fuchs
> E-Mail: sfuchs at gmx.de
>
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