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-rw-r--r--profile.c22
1 files changed, 13 insertions, 9 deletions
diff --git a/profile.c b/profile.c
index e5d8aa9b9..173032a13 100644
--- a/profile.c
+++ b/profile.c
@@ -660,8 +660,10 @@ static void plot_cylinder_pressure_text(struct graphics_context *gc, struct plot
if (!get_cylinder_pressure_range(gc, pi))
return;
- /* only loop over the actual events from the dive computer */
- for (i = 2; i < pi->nr; i++) {
+ /* only loop over the actual events from the dive computer
+ * plus the second synthetic event at the start (to make sure
+ * we get "time=0" right) */
+ for (i = 1; i < pi->nr; i++) {
entry = pi->entry + i;
if (!entry->same_cylinder) {
@@ -889,8 +891,9 @@ static void fill_missing_tank_pressures(struct dive *dive, struct plot_info *pi,
cur_pr[cyl] = track_pr[cyl]->start;
}
- /* The first two are "fillers" */
- for (i = 2; i < pi->nr; i++) {
+ /* The first two are "fillers", but in case we don't have a sample
+ * at time 0 we need to process the second of them here */
+ for (i = 1; i < pi->nr; i++) {
entry = pi->entry + i;
if (SENSOR_PRESSURE(entry)) {
cur_pr[entry->cylinderindex] = SENSOR_PRESSURE(entry);
@@ -929,7 +932,8 @@ static void fill_missing_tank_pressures(struct dive *dive, struct plot_info *pi,
INTERPOLATED_PRESSURE(entry) =
cur_pr[entry->cylinderindex] + cur_pt * magic;
cur_pr[entry->cylinderindex] = INTERPOLATED_PRESSURE(entry);
- }
+ } else
+ INTERPOLATED_PRESSURE(entry) = cur_pr[entry->cylinderindex];
}
}
}
@@ -1109,14 +1113,14 @@ static struct plot_info *create_plot_info(struct dive *dive, int nr_samples, str
entry = pi->entry + i + pi_idx;
ev = get_next_gaschange(ev->next);
}
- nr_samples += pi_idx - 2;
+ nr = nr_samples + pi_idx - 2;
check_gas_change_events(dive, pi);
for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) /* initialize the start pressures */
track_pr[cyl] = pr_track_alloc(dive->cylinder[cyl].start.mbar, -1);
current = track_pr[pi->entry[2].cylinderindex];
- for (i = 0; i < nr_samples; i++) {
- entry = pi->entry + i + 2;
+ for (i = 0; i < nr + 1; i++) {
+ entry = pi->entry + i + 1;
entry->same_cylinder = entry->cylinderindex == cylinderindex;
cylinderindex = entry->cylinderindex;
@@ -1155,7 +1159,7 @@ static struct plot_info *create_plot_info(struct dive *dive, int nr_samples, str
}
}
/* Fill in the last two entries with empty values but valid times */
- i = nr_samples + 2;
+ i = nr + 2;
pi->entry[i].sec = sec + 20;
pi->entry[i+1].sec = sec + 40;
/* the number of actual entries - we may have allocated more if there