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Compute and display gas density

Browse source 
This appears to be critical for work of breathing so it might be
worthwhile to compute. So far only in infobox.

For background, see

https://www.youtube.com/watch?v=QBajM3xmOtc

Signed-off-by: Robert C. Helling <helling@atdotde.de>
This commit is contained in:
Robert C. Helling 2017-05-12 15:36:24 +02:00 • committed by Dirk Hohndel
parent e6d884cf26
commit bb6ceba4ac
5 changed files with 17 additions and 2 deletions
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6
core/profile.c
View file

@ -1151,6 +1151,7 @@ static void calculate_gas_information_new(struct dive *dive, struct plot_info *p
entry->pressures.n2 / amb_pressure * N2_DENSITY +
entry->pressures.he / amb_pressure * HE_DENSITY) /
(O2_IN_AIR * O2_DENSITY + N2_IN_AIR * N2_DENSITY) * 1000 - 10000;
entry->density = gas_density(&dive->cylinder[cylinderindex].gasmix, depth_to_mbar(entry->depth, dive));
if (entry->mod < 0)
entry->mod = 0;
if (entry->ead < 0)
@ -1292,7 +1293,7 @@ static void plot_string(struct plot_info *pi, struct plot_data *entry, struct me
{
int pressurevalue, mod, ead, end, eadd;
const char *depth_unit, *pressure_unit, *temp_unit, *vertical_speed_unit;
double depthvalue, tempvalue, speedvalue, sacvalue;
double depthvalue, tempvalue, speedvalue, sacvalue, density;
int decimals;
const char *unit;
@ -1327,15 +1328,18 @@ static void plot_string(struct plot_info *pi, struct plot_data *entry, struct me
put_format(b, translate("gettextFromC", "MOD: %d%s\n"), mod, depth_unit);
}
eadd = lrint(get_depth_units(lrint(entry->eadd), NULL, &depth_unit));
if (prefs.ead) {
switch (pi->dive_type) {
case NITROX:
ead = lrint(get_depth_units(lrint(entry->ead), NULL, &depth_unit));
put_format(b, translate("gettextFromC", "EAD: %d%s\nEADD: %d%s\n"), ead, depth_unit, eadd, depth_unit);
put_format(b, translate("gettextFromC", "density: %.1fg/l\n"), entry->density);
break;
case TRIMIX:
end = lrint(get_depth_units(lrint(entry->end), NULL, &depth_unit));
put_format(b, translate("gettextFromC", "END: %d%s\nEADD: %d%s\n"), end, depth_unit, eadd, depth_unit);
put_format(b, translate("gettextFromC", "density: %.1fg/l\n"), entry->density);
break;
case AIR:
case FREEDIVING: