X-Git-Url: http://git.tdb.fi/?p=ext%2Fsubsurface.git;a=blobdiff_plain;f=profile.c;h=90ed0b6098c1a7d3d651c8cf8b7e9bf0b2b8fcb7;hp=7a0eac4975ac9b6e4755e23236407c142f211b24;hb=d0e27c6c533005b5fd161286f68f1325bdabe8e3;hpb=589589c707262920a4c9ffc258704e30fa62b8fa

diff --git a/profile.c b/profile.c
index 7a0eac4..90ed0b6 100644
--- a/profile.c
+++ b/profile.c
@@ -1355,12 +1355,15 @@ 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;