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-rw-r--r--dive.c5
-rw-r--r--dive.h1
-rw-r--r--qt-ui/subsurfacewebservices.cpp50
3 files changed, 46 insertions, 10 deletions
diff --git a/dive.c b/dive.c
index 02c1090d9..aadddfd14 100644
--- a/dive.c
+++ b/dive.c
@@ -2807,6 +2807,11 @@ struct dive *find_dive_including(timestamp_t when)
return NULL;
}
+bool time_during_dive_with_offset(struct dive *dive, timestamp_t when, timestamp_t offset)
+{
+ return dive->when - offset <= when && when <= dive->when + dive->duration.seconds + offset;
+}
+
bool dive_within_time_range(struct dive *dive, timestamp_t when, timestamp_t offset)
{
return when - offset <= dive->when && dive->when + dive->duration.seconds <= when + offset;
diff --git a/dive.h b/dive.h
index 36d9a1200..f07c9d9b2 100644
--- a/dive.h
+++ b/dive.h
@@ -635,6 +635,7 @@ extern const char *get_error_string(void);
extern struct dive *find_dive_including(timestamp_t when);
extern bool dive_within_time_range(struct dive *dive, timestamp_t when, timestamp_t offset);
+extern bool time_during_dive_with_offset(struct dive *dive, timestamp_t when, timestamp_t offset);
struct dive *find_dive_n_near(timestamp_t when, int n, timestamp_t offset);
/* Check if two dive computer entries are the exact same dive (-1=no/0=maybe/1=yes) */
diff --git a/qt-ui/subsurfacewebservices.cpp b/qt-ui/subsurfacewebservices.cpp
index 6c75513b7..cfd255b0e 100644
--- a/qt-ui/subsurfacewebservices.cpp
+++ b/qt-ui/subsurfacewebservices.cpp
@@ -62,12 +62,15 @@ static bool merge_locations_into_dives(void)
for_each_dive (i, dive) {
if (!dive_has_gps_location(dive)) {
for (j = tracer; (gpsfix = get_dive_from_table(j, &gps_location_table)) !=NULL; j++) {
- if (dive_within_time_range (dive, gpsfix->when, SAME_GROUP)) {
+ if (time_during_dive_with_offset(dive, gpsfix->when, SAME_GROUP)) {
+ qDebug() << "processing gpsfix @" << get_dive_date_string(gpsfix->when) << "which is withing six hours of dive from" <<
+ get_dive_date_string(dive->when) << "until" << get_dive_date_string(dive->when + dive->duration.seconds);
/*
* If position is fixed during dive. This is the good one.
* Asign and mark position, and end gps_location loop
*/
- if ((dive->when <= gpsfix->when && gpsfix->when <= dive->when + dive->duration.seconds)) {
+ if (time_during_dive_with_offset(dive, gpsfix->when, 0)) {
+ qDebug() << "gpsfix is during the dive, pick that one";
copy_gps_location(gpsfix, dive);
changed++;
tracer = j;
@@ -76,23 +79,50 @@ static bool merge_locations_into_dives(void)
/*
* If it is not, check if there are more position fixes in SAME_GROUP range
*/
- if ((nextgpsfix = get_dive_from_table(j+1,&gps_location_table)) &&
- dive_within_time_range (dive, nextgpsfix->when, SAME_GROUP)) {
- /*
- * If distance from gpsfix to end of dive is shorter than distance between
- * gpsfix and nextgpsfix, gpsfix is the good one. Asign, mark and end loop.
- * If not, simply fail and nextgpsfix will be evaluated in next iteration.
- */
- if ((dive->when + dive->duration.seconds - gpsfix->when) < (nextgpsfix->when - gpsfix->when)) {
+ if ((nextgpsfix = get_dive_from_table(j + 1, &gps_location_table)) &&
+ time_during_dive_with_offset(dive, nextgpsfix->when, SAME_GROUP)) {
+ qDebug() << "look at the next gps fix @" << get_dive_date_string(nextgpsfix->when);
+ /* first let's test if this one is during the dive */
+ if (time_during_dive_with_offset(dive, nextgpsfix->when, 0)) {
+ qDebug() << "which is during the dive, pick that one";
+ copy_gps_location(nextgpsfix, dive);
+ changed++;
+ tracer = j + 1;
+ break;
+ }
+ /* we know the gps fixes are sorted; if they are both before the dive, ignore the first,
+ * if theay are both after the dive, take the first,
+ * if the first is before and the second is after, take the closer one */
+ if (nextgpsfix->when < dive->when) {
+ qDebug() << "which is closer to the start of the dive, do continue with that";
+ continue;
+ } else if (gpsfix->when > dive->when + dive->duration.seconds) {
+ qDebug() << "which is even later after the end of the dive, so pick the previous one";
copy_gps_location(gpsfix, dive);
changed++;
tracer = j;
break;
+ } else {
+ /* ok, gpsfix is before, nextgpsfix is after */
+ if (dive->when - gpsfix->when <= nextgpsfix->when - (dive->when + dive->duration.seconds)) {
+ qDebug() << "pick the one before as it's closer to the start";
+ copy_gps_location(gpsfix, dive);
+ changed++;
+ tracer = j;
+ break;
+ } else {
+ qDebug() << "pick the one after as it's closer to the start";
+ copy_gps_location(nextgpsfix, dive);
+ changed++;
+ tracer = j + 1;
+ break;
+ }
}
/*
* If no more positions in range, the actual is the one. Asign, mark and end loop.
*/
} else {
+ qDebug() << "which seems to be the best one for this dive, so pick it";
copy_gps_location(gpsfix, dive);
changed++;
tracer = j;