#define ROUND_UP(x,y) ((((x)+(y)-1)/(y))*(y))
+/* debugging tool - not normally used */
+static void dump_pi (struct plot_info *pi)
+{
+ int i;
+
+ printf("pi:{nr:%d maxtime:%d meandepth:%d maxdepth:%d \n"
+ " minpressure:%d maxpressure:%d endpressure:%d mintemp:%d maxtemp:%d\n",
+ pi->nr, pi->maxtime, pi->meandepth, pi->maxdepth,
+ pi->minpressure, pi->maxpressure, pi->endpressure, pi->mintemp, pi->maxtemp);
+ for (i = 0; i < pi->nr; i++)
+ printf(" entry[%d]:{same_cylinder:%d cylinderindex:%d sec:%d pressure:{%d,%d}\n"
+ " temperature:%d depth:%d smoothed:%d}\n",
+ i, pi->entry[i].same_cylinder, pi->entry[i].cylinderindex, pi->entry[i].sec,
+ pi->entry[i].pressure[0], pi->entry[i].pressure[1],
+ pi->entry[i].temperature, pi->entry[i].depth, pi->entry[i].smoothed);
+ printf(" }\n");
+}
+
/*
* When showing dive profiles, we scale things to the
* current dive. However, we don't scale past less than
set_cylinder_index(pi, i, cylinderindex, ~0u);
}
+/* for computers that track gas changes through events */
+static int count_gas_change_events(struct dive *dive)
+{
+ int count = 0;
+ struct event *ev = get_next_gaschange(dive->events);
+
+ while (ev) {
+ count++;
+ ev = get_next_gaschange(ev->next);
+ }
+ return count;
+}
+
/*
* Create a plot-info with smoothing and ranged min/max
*
{
int cylinderindex = -1;
int lastdepth, lastindex;
- int i, nr = nr_samples + 4, sec, cyl;
- size_t alloc_size = plot_info_size(nr);
+ int i, pi_idx, nr, sec, cyl;
+ size_t alloc_size;
struct plot_info *pi;
pr_track_t *track_pr[MAX_CYLINDERS] = {NULL, };
pr_track_t *pr_track, *current;
gboolean missing_pr = FALSE;
struct plot_data *entry = NULL;
+ struct event *ev;
+ /* we want to potentially add synthetic plot_info elements for the gas changes */
+ nr = nr_samples + 4 + 2 * count_gas_change_events(dive);
+ alloc_size = plot_info_size(nr);
pi = malloc(alloc_size);
if (!pi)
return pi;
memset(pi, 0, alloc_size);
pi->nr = nr;
+ pi_idx = 2; /* the two extra events at the start */
+ /* check for gas changes before the samples start */
+ ev = get_next_gaschange(dive->events);
+ while (ev && ev->time.seconds < dive_sample->time.seconds) {
+ entry = pi->entry + pi_idx;
+ entry->sec = ev->time.seconds;
+ entry->depth = 0; /* is that always correct ? */
+ pi_idx++;
+ ev = get_next_gaschange(ev->next);
+ }
+ if (ev && ev->time.seconds == dive_sample->time.seconds) {
+ /* we already have a sample at the time of the event */
+ ev = get_next_gaschange(ev->next);
+ }
sec = 0;
lastindex = 0;
lastdepth = -1;
for (i = 0; i < nr_samples; i++) {
int depth;
+ int delay = 0;
struct sample *sample = dive_sample+i;
- entry = pi->entry + i + 2;
- sec = entry->sec = sample->time.seconds;
+ entry = pi->entry + i + pi_idx;
+ while (ev && ev->time.seconds < sample->time.seconds) {
+ /* insert two fake plot info structures for the end of
+ * the old tank and the start of the new tank */
+ entry->sec = ev->time.seconds;
+ (entry+1)->sec = ev->time.seconds + 1;
+ /* we need a fake depth - let's interpolate */
+ if (i) {
+ entry->depth = sample->depth.mm -
+ (sample->depth.mm - (sample-1)->depth.mm) / 2;
+ } else
+ entry->depth = sample->depth.mm;
+ (entry+1)->depth = entry->depth;
+ pi_idx += 2;
+ entry = pi->entry + i + pi_idx;
+ ev = get_next_gaschange(ev->next);
+ }
+ if (ev && ev->time.seconds == sample->time.seconds) {
+ /* we already have a sample at the time of the event
+ * just add a new one for the old tank and delay the
+ * real even by one second (to keep time monotonous) */
+ entry->sec = ev->time.seconds;
+ entry->depth = sample->depth.mm;
+ pi_idx++;
+ entry = pi->entry + i + pi_idx;
+ ev = get_next_gaschange(ev->next);
+ delay = 1;
+ }
+ sec = entry->sec = sample->time.seconds + delay;
depth = entry->depth = sample->depth.mm;
entry->cylinderindex = sample->cylinderindex;
SENSOR_PRESSURE(entry) = sample->cylinderpressure.mbar;
entry->temperature = sample->temperature.mkelvin;
if (depth || lastdepth)
- lastindex = i+2;
+ lastindex = i+pi_idx;
lastdepth = depth;
if (depth > pi->maxdepth)
pi->maxdepth = depth;
}
-
+ entry = pi->entry + i + pi_idx;
+ /* are there still unprocessed gas changes? that would be very strange */
+ while (ev) {
+ entry->sec = ev->time.seconds;
+ entry->depth = 0; /* why are there gas changes after the dive is over? */
+ pi_idx++;
+ entry = pi->entry + i + pi_idx;
+ ev = get_next_gaschange(ev->next);
+ }
+ nr_samples += pi_idx - 2;
check_gas_change_events(dive, pi);
for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) /* initialize the start pressures */
i = nr_samples + 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
+ * were gas change events, but this is how many were filled */
pi->nr = lastindex+1;
pi->maxtime = pi->entry[lastindex].sec;
}
for (cyl = 0; cyl < MAX_CYLINDERS; cyl++)
list_free(track_pr[cyl]);
+ if (0) /* awesome for debugging - not useful otherwise */
+ dump_pi(pi);
return analyze_plot_info(pi);
}
projects / ext / subsurface.git / blobdiff