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

Rick Walsh rickmwalsh at gmail.com
Mon Mar 6 22:33:49 PST 2017

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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