Testing of planner against other software

[Davide DB]

Next week I will do some comparison test against my decoplanner copy which
has buhlmann and vpm.

Bye

davide at mobile
Il 21/giu/2014 15:09 "Willem Ferguson" <willemferguson at zoology.up.ac.za> ha
scritto:

> I have compared the Subsurface planner against quite a few deco dives on
> V-Planner Mobile. In general, results are not too different. V-Planner
> starts with deco at deeper depths (e.g. 18-20 meters for 45m dives) and
> then has deco stops at 3-meter intervals with a somewhat shorter total
> runtime than for the Subsurface planner. But these effects are not
> unexpected because of the well-understood differences between the Bühlmann
> model and the bubble-based approach (VPM in the case of V-Planner).
>
> I have also compared Subsuyrface against MV-Plan 1.5.2 which also uses a
> Bühlmann-like algorithm and there is pretty good correspondence between
> Subsurface planner and VM-Plan in the deco dives I modelled. Subsurface
> planner, on average, gives slightly more optimistic times and gas usage
> compared to VM-Plan.
>
> Two points on Subsurface planner:
> 1) When dragging waypoints deeper (e.g. 35-50m), the rescaling on the
> Y-axis (depth) happens so fast and proactively that it becomes quite
> difficult to position the waypoint where one wants to put it.
>
> 2) Subsurface planner often gives long, slow ascents, different from many
> other planners that do ascents in a more stepwise way. Very slow controlled
> ascents (shallower than 10m and especially shallower than 6m) are mostly
> not possible in the sea where swells of several meters are encountered. In
> this respect the plans from Subsurface are problematic.
>
> Kind regards,
> Willemf
>
>
>
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