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Add GFlow/GFhigh settings in dive planner

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The planner interactively responds to changes to the GFlow and GFhigh in
the dialog and calculates an appropriate profile. If there is a previous
dive within the 48 hours prior to this dive then its saturation is
correctly taken into account if the gradient factors are changed - so if
they are aggressively lowered it is possible to start the dive with
already an existing ceiling (simply increase the surface interval to 'fix'
that).

Once the plan is accepted the GF values are reset to the current
preferences. This can cause the ceiling in the plot to change and the deco
stops to no longer match the ceiling - but that's a logical consequence of
the ability to change a temporary copy of GFlow/GFhigh during the planning
process and not the actual preferences (which would be counter intuitive,
I think).

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Dirk Hohndel 2013-01-16 15:17:39 -08:00
parent 2cee400ad1
commit aa3eb364bc
1 changed files with 30 additions and 3 deletions
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33
planner.c
View file

@ -17,6 +17,7 @@ int decostoplevels[] = { 0, 3000, 6000, 9000, 12000, 15000, 18000, 21000, 24000,
30000, 33000, 36000, 39000, 42000, 45000, 48000, 51000, 54000, 57000,
60000, 63000, 66000, 69000, 72000, 75000, 78000, 81000, 84000, 87000,
90000};
double plangflow, plangfhigh;
#if DEBUG_PLAN
void dump_plan(struct diveplan *diveplan)
@ -440,7 +441,7 @@ static void add_plan_to_notes(struct diveplan *diveplan, struct dive *dive)
return;
snprintf(buffer, sizeof(buffer), "Subsurface dive plan\nbased on GFlow = %.0f and GFhigh = %.0f\n\n",
prefs.gflow * 100, prefs.gfhigh * 100);
plangflow * 100, plangfhigh * 100);
/* we start with gas 0, then check if that was changed */
o2 = dive->cylinder[0].gasmix.o2.permille;
he = dive->cylinder[0].gasmix.he.permille;
@ -535,6 +536,7 @@ void plan(struct diveplan *diveplan, char **cached_datap, struct dive **divep)
int gaschangenr;
int *stoplevels;
set_gf(plangflow, plangfhigh);
if (!diveplan->surface_pressure)
diveplan->surface_pressure = SURFACE_PRESSURE;
if (*divep)
@ -1026,6 +1028,20 @@ static gboolean sac_focus_out_cb(GtkWidget *entry, GdkEvent * event, gpointer da
return FALSE;
}
static gboolean gf_focus_out_cb(GtkWidget *entry, GdkEvent * event, gpointer data)
{
const char *gftext;
int gf;
double *gfp = data;
gftext = gtk_entry_get_text(GTK_ENTRY(entry));
if (sscanf(gftext, "%d", &gf) == 1) {
*gfp = gf / 100.0;
show_planned_dive();
}
return FALSE;
}
static GtkWidget *add_gas_combobox_to_box(GtkWidget *box, const char *label, int idx)
{
GtkWidget *frame, *combo;
@ -1112,11 +1128,13 @@ static void add_entry_with_callback(GtkWidget *box, int length, char *label, cha
void input_plan()
{
GtkWidget *planner, *content, *vbox, *hbox, *outervbox, *add_row, *label;
char *bottom_sac, *deco_sac;
char *bottom_sac, *deco_sac, gflowstring[4], gfhighstring[4];
if (diveplan.dp)
free_dps(diveplan.dp);
memset(&diveplan, 0, sizeof(diveplan));
free(cache_data);
cache_data = NULL;
planned_dive = NULL;
planner = gtk_dialog_new_with_buttons(_("Dive Plan - THIS IS JUST A SIMULATION; DO NOT USE FOR DIVING"),
GTK_WINDOW(main_window),
@ -1144,6 +1162,9 @@ void input_plan()
gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
add_entry_with_callback(hbox, 12, _("Dive starts when?"), "+60:00", starttime_focus_out_cb, NULL);
add_entry_with_callback(hbox, 12, _("Surface Pressure (mbar)"), SURFACE_PRESSURE_STRING, surfpres_focus_out_cb, NULL);
hbox = gtk_hbox_new(FALSE, 0);
gtk_box_pack_start(GTK_BOX(vbox), hbox, TRUE, TRUE, 0);
if (get_units()->volume == CUFT) {
bottom_sac = "0.7 cuft/min";
deco_sac = "0.6 cuft/min";
@ -1157,7 +1178,12 @@ void input_plan()
}
add_entry_with_callback(hbox, 12, _("SAC during dive"), bottom_sac, sac_focus_out_cb, &diveplan.bottomsac);
add_entry_with_callback(hbox, 12, _("SAC during decostop"), deco_sac, sac_focus_out_cb, &diveplan.decosac);
plangflow = prefs.gflow;
plangfhigh = prefs.gfhigh;
snprintf(gflowstring, sizeof(gflowstring), "%3.0f", 100 * plangflow);
snprintf(gfhighstring, sizeof(gflowstring), "%3.0f", 100 * plangfhigh);
add_entry_with_callback(hbox, 5, _("GFlow for plan"), gflowstring, gf_focus_out_cb, &plangflow);
add_entry_with_callback(hbox, 5, _("GFhigh for plan"), gfhighstring, gf_focus_out_cb, &plangfhigh);
diveplan.when = current_time_notz() + 3600;
diveplan.surface_pressure = SURFACE_PRESSURE;
nr_waypoints = 4;
@ -1182,4 +1208,5 @@ void input_plan()
}
}
gtk_widget_destroy(planner);
set_gf(prefs.gflow, prefs.gfhigh);
}