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| author |  Robert C. Helling <helling@atdotde.de> | 2019-03-18 21:17:00 +0100 |
|---|---|---|
| committer |  Dirk Hohndel <dirk@hohndel.org> | 2019-03-18 19:40:32 -0700 |
| commit | d228eb35d53ab85002652fe6f42fc83e4618768b (patch) | |
| tree | 0965198f1012e35faf2b5322d10bae8b1ad347c4 | |
| parent | 3af4164d0cfc57b6ca202381899974186527a5c8 (diff) | |
| download | subsurface-d228eb35d53ab85002652fe6f42fc83e4618768b.tar.gz | |
Core: let TTS calculation use correct ascent velocities
Signed-off-by: Robert C. Helling <helling@atdotde.de>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
| -rw-r--r-- | core/profile.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/core/profile.c b/core/profile.c index b8c81e195..eb78b5147 100644 --- a/core/profile.c +++ b/core/profile.c @@ -26,6 +26,7 @@ #define MAX_PROFILE_DECO 7200 +extern int ascent_velocity(int depth, int avg_depth, int bottom_time); struct dive *current_dive = NULL; unsigned int dc_number = 0; @@ -917,10 +918,7 @@ static void calculate_ndl_tts(struct deco_state *ds, const struct dive *dive, st /* FIXME: This should be configurable */ /* ascent speed up to first deco stop */ const int ascent_s_per_step = 1; - const int ascent_mm_per_step = 200; /* 12 m/min */ - /* ascent speed between deco stops */ const int ascent_s_per_deco_step = 1; - const int ascent_mm_per_deco_step = 16; /* 1 m/min */ /* how long time steps in deco calculations? */ const int time_stepsize = 60; const int deco_stepsize = 3000; @@ -957,7 +955,7 @@ static void calculate_ndl_tts(struct deco_state *ds, const struct dive *dive, st entry->in_deco_calc = true; /* Add segments for movement to stopdepth */ - for (; ascent_depth > next_stop; ascent_depth -= ascent_mm_per_step, entry->tts_calc += ascent_s_per_step) { + for (; ascent_depth > next_stop; ascent_depth -= ascent_s_per_step * ascent_velocity(ascent_depth, entry->running_sum / entry->sec, 0), entry->tts_calc += ascent_s_per_step) { add_segment(ds, depth_to_bar(ascent_depth, dive), gasmix, ascent_s_per_step, entry->o2pressure.mbar, divemode, prefs.decosac); next_stop = ROUND_UP(deco_allowed_depth(tissue_tolerance_calc(ds, dive, depth_to_bar(ascent_depth, dive)), @@ -984,7 +982,7 @@ static void calculate_ndl_tts(struct deco_state *ds, const struct dive *dive, st if (deco_allowed_depth(tissue_tolerance_calc(ds, dive, depth_to_bar(ascent_depth,dive)), surface_pressure, dive, 1) <= next_stop) { /* move to the next stop and add the travel between stops */ - for (; ascent_depth > next_stop; ascent_depth -= ascent_mm_per_deco_step, entry->tts_calc += ascent_s_per_deco_step) + for (; ascent_depth > next_stop; ascent_depth -= ascent_s_per_deco_step * ascent_velocity(ascent_depth, entry->running_sum / entry->sec, 0), entry->tts_calc += ascent_s_per_deco_step) add_segment(ds, depth_to_bar(ascent_depth, dive), gasmix, ascent_s_per_deco_step, entry->o2pressure.mbar, divemode, prefs.decosac); ascent_depth = next_stop; |