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Implement height-to-pressure functions in planner

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The units.h file has two functions to convert atm pressure to mbar
and also to convert mbar to atm pressure. Implement these two
functions in the planner.

Signed-off-by: willemferguson <willemferguson@zoology.up.ac.za>
This commit is contained in:
willemferguson 2019-05-15 18:39:29 +02:00 • committed by bstoeger
parent 9590709e8c
commit a969d1dd45
2 changed files with 7 additions and 5 deletions
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3
core/plannernotes.c
View file

@ -11,6 +11,7 @@
#include <string.h>
#include "dive.h"
#include "deco.h"
#include "units.h"
#include "divelist.h"
#include "planner.h"
#include "gettext.h"
@ -420,7 +421,7 @@ void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive, bool show_d
put_string(&buf, "<br>");
const char *depth_unit;
int altitude = (int) get_depth_units((int) (log(1013.0 / diveplan->surface_pressure) * 7800000), NULL, &depth_unit);
int altitude = (int) get_depth_units((int) (pressure_to_altitude(diveplan->surface_pressure)), NULL, &depth_unit);
put_format_loc(&buf, translate("gettextFromC", "ATM pressure: %dmbar (%d%s)<br></div>"), diveplan->surface_pressure, altitude, depth_unit);

9
desktop-widgets/diveplanner.cpp
View file

@ -4,6 +4,7 @@
#include "desktop-widgets/mainwindow.h"
#include "core/planner.h"
#include "core/qthelper.h"
#include "core/units.h"
#include "core/settings/qPrefDivePlanner.h"
#include "core/gettextfromc.h"
@ -235,7 +236,7 @@ void DivePlannerWidget::settingsChanged()
ui.atmHeight->setMaximum(3000);
}
ui.atmHeight->blockSignals(true);
ui.atmHeight->setValue((int) get_depth_units((int) (log(1013.0 / plannerModel->getSurfacePressure()) * 7800000), NULL,NULL));
ui.atmHeight->setValue((int) get_depth_units((int) pressure_to_altitude(plannerModel->getSurfacePressure()), NULL,NULL));
ui.atmHeight->blockSignals(false);
}
@ -243,13 +244,13 @@ void DivePlannerWidget::atmPressureChanged(const int pressure)
{
plannerModel->setSurfacePressure(pressure);
ui.atmHeight->blockSignals(true);
ui.atmHeight->setValue((int) get_depth_units((int) (log(1013.0 / pressure) * 7800000), NULL,NULL));
ui.atmHeight->setValue((int) get_depth_units((int) pressure_to_altitude(pressure), NULL,NULL));
ui.atmHeight->blockSignals(false);
}
void DivePlannerWidget::heightChanged(const int height)
{
int pressure = (int) (1013.0 * exp(- (double) units_to_depth((double) height).mm / 7800000.0));
{ // height is in ft or in meters
int pressure = (int) (altitude_to_pressure(units_to_depth((double) height).mm));
ui.ATMPressure->blockSignals(true);
ui.ATMPressure->setValue(pressure);
ui.ATMPressure->blockSignals(false);