/* returns the tissue tolerance at the end of this (partial) dive */
double tissue_at_end(struct dive *dive, char **cached_datap)
{
struct divecomputer *dc;
struct sample *sample, *psample;
int i;
depth_t lastdepth = {};
duration_t t0 = {}, t1 = {};
double tissue_tolerance;
struct gasmix gas;
if (!dive)
return 0.0;
if (*cached_datap) {
tissue_tolerance = restore_deco_state(*cached_datap);
} else {
tissue_tolerance = init_decompression(dive);
cache_deco_state(tissue_tolerance, cached_datap);
}
dc = &dive->dc;
if (!dc->samples)
return tissue_tolerance;
psample = sample = dc->sample;
for (i = 0; i < dc->samples; i++, sample++) {
t1 = sample->time;
get_gas_at_time(dive, dc, t0, &gas);
if (i > 0)
lastdepth = psample->depth;
tissue_tolerance = interpolate_transition(dive, t0, t1, lastdepth, sample->depth, &gas, sample->po2);
psample = sample;
t0 = t1;
}
return tissue_tolerance;
}
void DivePlotDataModel::calculateDecompression()
{
struct divecomputer *dc = select_dc(&displayed_dive);
init_decompression(&displayed_dive);
calculate_deco_information(&displayed_dive, dc, &pInfo, false);
dataChanged(index(0, CEILING), index(pInfo.nr - 1, TISSUE_16));
}
/*
* Create a plot-info with smoothing and ranged min/max
*
* This also makes sure that we have extra empty events on both
* sides, so that you can do end-points without having to worry
* about it.
*/
void create_plot_info_new(struct dive *dive, struct divecomputer *dc, struct plot_info *pi, bool fast)
{
int o2, he, o2max;
#ifndef SUBSURFACE_MOBILE
init_decompression(dive);
#endif
/* Create the new plot data */
free((void *)last_pi_entry_new);
get_dive_gas(dive, &o2, &he, &o2max);
if (dc->divemode == FREEDIVE){
pi->dive_type = FREEDIVE;
} else if (he > 0) {
pi->dive_type = TRIMIX;
} else {
if (o2)
pi->dive_type = NITROX;
else
pi->dive_type = AIR;
}
last_pi_entry_new = populate_plot_entries(dive, dc, pi);
check_gas_change_events(dive, dc, pi); /* Populate the gas index from the gas change events */
check_setpoint_events(dive, dc, pi); /* Populate setpoints */
setup_gas_sensor_pressure(dive, dc, pi); /* Try to populate our gas pressure knowledge */
if (!fast) {
populate_pressure_information(dive, dc, pi, false); /* .. calculate missing pressure entries for all gasses except o2 */
if (dc->divemode == CCR) /* For CCR dives.. */
populate_pressure_information(dive, dc, pi, true); /* .. calculate missing o2 gas pressure entries */
}
fill_o2_values(dc, pi, dive); /* .. and insert the O2 sensor data having 0 values. */
calculate_sac(dive, pi); /* Calculate sac */
#ifndef SUBSURFACE_MOBILE
calculate_deco_information(dive, dc, pi, false); /* and ceiling information, using gradient factor values in Preferences) */
#endif
calculate_gas_information_new(dive, pi); /* Calculate gas partial pressures */
#ifdef DEBUG_GAS
debug_print_profiledata(pi);
#endif
pi->meandepth = dive->dc.meandepth.mm;
analyze_plot_info(pi);
}
/* returns the tissue tolerance at the end of this (partial) dive */
double tissue_at_end(struct dive *dive, char **cached_datap)
{
struct divecomputer *dc;
struct sample *sample, *psample;
int i, t0, t1, gasidx, lastdepth;
double tissue_tolerance;
struct gasmix gas;
if (!dive)
return 0.0;
if (*cached_datap) {
tissue_tolerance = restore_deco_state(*cached_datap);
} else {
tissue_tolerance = init_decompression(dive);
cache_deco_state(tissue_tolerance, cached_datap);
}
dc = &dive->dc;
if (!dc->samples)
return tissue_tolerance;
psample = sample = dc->sample;
lastdepth = t0 = 0;
/* we always start with gas 0 (unless an event tells us otherwise) */
gas = dive->cylinder[0].gasmix;
for (i = 0; i < dc->samples; i++, sample++) {
t1 = sample->time.seconds;
get_gas_from_events(&dive->dc, t0, &gas);
if ((gasidx = get_gasidx(dive, &gas)) == -1) {
report_error(translate("gettextFromC", "Can't find gas %s"), gasname(&gas));
gasidx = 0;
}
if (i > 0)
lastdepth = psample->depth.mm;
tissue_tolerance = interpolate_transition(dive, t0, t1, lastdepth, sample->depth.mm, &dive->cylinder[gasidx].gasmix, sample->po2.mbar);
psample = sample;
t0 = t1;
}
return tissue_tolerance;
}