diff options
-rw-r--r-- | dive.c | 5 | ||||
-rw-r--r-- | profile.c | 7 |
2 files changed, 10 insertions, 2 deletions
@@ -451,7 +451,12 @@ struct dive *fixup_dive(struct dive *dive) } } if (end < 0) + { + /* Assume an ascent/descent rate of 9 m/min */ + int asc_desc_time = dive->maxdepth.mm*60/9000; + dive->meandepth.mm = dive->maxdepth.mm*(dive->duration.seconds-asc_desc_time)/dive->duration.seconds; return dive; + } update_duration(&dive->duration, end - start); if (start != end) @@ -1354,12 +1354,15 @@ void plot(struct graphics_context *gc, cairo_rectangle_int_t *drawing_area, stru int nr = dive->samples; if (!nr) { + /* The dive has no samples, so create a few fake ones. This assumes an + ascent/descent rate of 9 m/min, which is just below the limit for FAST. */ int duration = dive->duration.seconds; int maxdepth = dive->maxdepth.mm; + int asc_desc_time = dive->maxdepth.mm*60/9000; sample = fake; - fake[1].time.seconds = duration * 0.05; + fake[1].time.seconds = asc_desc_time; fake[1].depth.mm = maxdepth; - fake[2].time.seconds = duration * 0.95; + fake[2].time.seconds = duration - asc_desc_time; fake[2].depth.mm = maxdepth; fake[3].time.seconds = duration * 1.00; nr = 4; |