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Add --stats-range

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This commit is contained in:
Oliver Jowett 2015-06-19 17:29:14 +01:00
parent e7e9cecc1a
commit 656df98a76
5 changed files with 99 additions and 1 deletions
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16
track.c
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@ -128,6 +128,21 @@ static double greatcircle(double lat0, double lon0, double lat1, double lon1)
return 6371e3 * acos(sin(lat0) * sin(lat1) + cos(lat0) * cos(lat1) * cos(fabs(lon0 - lon1)));
}
static void update_range_histogram(double lat, double lon)
{
if (Modes.stats_range_histo && (Modes.bUserFlags & MODES_USER_LATLON_VALID)) {
double range = greatcircle(Modes.fUserLat, Modes.fUserLon, lat, lon);
int bucket = round(range / Modes.maxRange * RANGE_BUCKET_COUNT);
if (bucket < 0)
bucket = 0;
else if (bucket >= RANGE_BUCKET_COUNT)
bucket = RANGE_BUCKET_COUNT-1;
++Modes.stats_current.range_histogram[bucket];
}
}
// return true if it's OK for the aircraft to have travelled from its last known position
// to a new position at (lat,lon,surface) at a time of now.
static int speed_check(struct aircraft *a, struct modesMessage *mm, double lat, double lon, uint64_t now, int surface)
@ -416,6 +431,7 @@ static void updatePosition(struct aircraft *a, struct modesMessage *mm, uint64_t
a->pos_nuc = new_nuc;
a->seenLatLon = a->seen;
update_range_histogram(new_lat, new_lon);
}
}