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Include surface GF in infobox

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The most recent firmware of Shearwater computers shows this.

This is a measure of absolute amout of tissue loadings in an
easy to digest unit. Therefore it is useful to have.

Signed-off-by: Robert C. Helling <helling@atdotde.de>
This commit is contained in:
Robert C. Helling 2019-01-23 16:46:45 +01:00
parent 7538546c89
commit 4c048ed526
3 changed files with 9 additions and 0 deletions
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1
CHANGELOG.md
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@ -1,6 +1,7 @@
- Desktop: remove support for the "Share on Facebook" feature.
Rationale: It is fairly easy to share images on Facebook, thus it was decided
that this feature is redundant and should be removed from Subsurface.
- Show surface gradient factor in infobox
- Planner: Add UI element for bailout planning for rebreather dives
- Allow to filter for logged/planned dives
- New LaTeX export option

7
core/profile.c
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@ -1092,12 +1092,17 @@ void calculate_deco_information(struct deco_state *ds, const struct deco_state *
time_clear_ceiling = t1;
}
}
entry->surface_gf = 0.0;
for (j = 0; j < 16; j++) {
double m_value = ds->buehlmann_inertgas_a[j] + entry->ambpressure / ds->buehlmann_inertgas_b[j];
double surface_m_value = ds->buehlmann_inertgas_a[j] + surface_pressure / ds->buehlmann_inertgas_b[j];
entry->ceilings[j] = deco_allowed_depth(ds->tolerated_by_tissue[j], surface_pressure, dive, 1);
entry->percentages[j] = ds->tissue_inertgas_saturation[j] < entry->ambpressure ?
lrint(ds->tissue_inertgas_saturation[j] / entry->ambpressure * AMB_PERCENTAGE) :
lrint(AMB_PERCENTAGE + (ds->tissue_inertgas_saturation[j] - entry->ambpressure) / (m_value - entry->ambpressure) * (100.0 - AMB_PERCENTAGE));
double surface_gf = 100.0 * (ds->tissue_inertgas_saturation[j] - surface_pressure) / (surface_m_value - surface_pressure);
if (surface_gf > entry->surface_gf)
entry->surface_gf = surface_gf;
}
/* should we do more calculations?
@ -1499,6 +1504,8 @@ static void plot_string(struct plot_info *pi, struct plot_data *entry, struct me
}
if (entry->rbt)
put_format_loc(b, translate("gettextFromC", "RBT: %umin\n"), DIV_UP(entry->rbt, 60));
if (entry->surface_gf > 0)
put_format(b, translate("gettextFromC", "Surface GF %.0f%%\n"), entry->surface_gf);
if (entry->ceiling) {
depthvalue = get_depth_units(entry->ceiling, NULL, &depth_unit);
put_format_loc(b, translate("gettextFromC", "Calculated ceiling %.0f%s\n"), depthvalue, depth_unit);

1
core/profile.h
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@ -63,6 +63,7 @@ struct plot_data {
int bearing;
double ambpressure;
double gfline;
double surface_gf;
double density;
bool icd_warning;
};