diff options
Diffstat (limited to 'profile.c')
| -rw-r--r-- | profile.c | 27 |
1 files changed, 16 insertions, 11 deletions
@@ -1074,16 +1074,18 @@ static void fill_missing_tank_pressures(struct plot_info *pi, pr_track_t **track /* there may be multiple segments - so * let's assemble the length */ nlist = list; - pt = list->pressure_time; - while (!nlist->end) { - nlist = nlist->next; - if (!nlist) { - /* oops - we have no end pressure, - * so this means this is a tank without - * gas consumption information */ - break; + if (list) { + pt = list->pressure_time; + while (!nlist->end) { + nlist = nlist->next; + if (!nlist) { + /* oops - we have no end pressure, + * so this means this is a tank without + * gas consumption information */ + break; + } + pt += nlist->pressure_time; } - pt += nlist->pressure_time; } if (!nlist) { /* just continue without calculating @@ -1380,12 +1382,15 @@ 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; |