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ToolTipItem: show gf line based on correct gradient factor preferences

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Calculate gfline using the gradient factor that is set by the planner
preferences when in the planner, and by the general prefs when not in the
planner. This is achieved by doing the gradient factor calculation in dive.c,
where buehlmann_config is defined.

Previously, the gfline was calculated using the general preferences gfhigh and
gflow, even when in the planner.

Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Rick Walsh 2016-10-26 16:21:47 +11:00 • committed by Dirk Hohndel
parent a2d6bcf23f
commit ebddf95252
3 changed files with 17 additions and 4 deletions
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14
core/deco.c
View file

@ -618,3 +618,17 @@ void set_vpmb_conservatism(short conservatism)
else
vpmb_config.conservatism = conservatism;
}
double get_gf(double ambpressure_bar, const struct dive *dive)
{
double surface_pressure_bar = get_surface_pressure_in_mbar(dive, true) / 1000.0;
double gf_low = buehlmann_config.gf_low;
double gf_high = buehlmann_config.gf_high;
double gf;
if (gf_low_pressure_this_dive > surface_pressure_bar)
gf = MAX((double)gf_low, (ambpressure_bar - surface_pressure_bar) /
(gf_low_pressure_this_dive - surface_pressure_bar) * (gf_low - gf_high) + gf_high);
else
gf = gf_low;
return gf;
}