[PATCHES] Two patches for dive plan

[Rick Walsh]

Hi Robert,

On 23 November 2016 at 22:05, Robert Helling <helling at atdotde.de> wrote:

>
> Hi,
>
> here are two patches to improve the dive plan. The first simply shows the
> total runtime on top of the plan. This is one of the most important data of
> a plan and should be visible while adjusting parameters of the plan. So it
> is very inconvenient if is scrolled out of the dive plan widget.
>

This is a great idea.  I've lost count of the number of times I scroll down
to the bottom of the notes, just to see the total runtime.  One question:
is there a reason why we can't access displayed_dive.dc.duration.seconds
instead of creating a new function to iterate through all the data points
to get the runtime?


>
> the second attempts to find an approximation of a VPM-B profile in terms
> of Buehlmann+GF parameters: For each stop it computes an effective gradient
> factor that would give a similar ceiling. Of all these computed gradient
> factors it does a linear regression to fit a line to these factors (this is
> what the Baker GF’s do). This line is then expressed as effective GFlow and
> GFhigh in the dive plan.
>

This sounds very interesting; hopefully I'll have a chance to play with it
in the next day or two.

Cheers,

Rick
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