Improved depth info for dives without samples

[ext/subsurface.git] / dive.c

diff --git a/dive.c b/dive.c
index 9f57aed58146554969901198ac761fc888904e18..36ee8e78c496ce88c375edfd001eb9b64f6c43a8 100644 (file)
--- a/dive.c
+++ b/dive.c
@@ -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)