X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=profile.c;h=0039867efc29355737294cb1ac02a0cb85743ce6;hb=d6b50e30e405433bdb1edad341ee90c65ae65419;hp=3ad11c0d0e97e4273f150ec5190a6ec42753105b;hpb=1c1ad77f836b58244b3160b9bd13cad2012abdab;p=ext%2Fsubsurface.git

diff --git a/profile.c b/profile.c
index 3ad11c0..0039867 100644
--- a/profile.c
+++ b/profile.c
@@ -1,5 +1,5 @@
 /* profile.c */
-/* creates all the necessary data for drawing the dive profile 
+/* creates all the necessary data for drawing the dive profile
  * uses cairo to draw it
  */
 #include <stdio.h>
@@ -899,7 +899,7 @@ static velocity_t velocity(int speed)
 	else if (speed < -25) /* -5ft/min */
 		v = SLOW;
 	else if (speed < 25) /* very hard to find data, but it appears that the recommendations
-				for descent are usually about 2x ascent rate; still, we want 
+				for descent are usually about 2x ascent rate; still, we want
 				stable to mean stable */
 		v = STABLE;
 	else if (speed < 152) /* between 5 and 30ft/min is considered slow */
@@ -955,7 +955,7 @@ static struct plot_info *analyze_plot_info(struct plot_info *pi)
 				int past = -2;
 				while (i+past > 0 && entry[0].sec - entry[past].sec < 15)
 					past--;
-				entry->velocity = velocity((entry[0].depth - entry[past].depth) / 
+				entry->velocity = velocity((entry[0].depth - entry[past].depth) /
 							(entry[0].sec - entry[past].sec));
 			}
 		} else
@@ -967,7 +967,7 @@ static struct plot_info *analyze_plot_info(struct plot_info *pi)
 		struct plot_data *entry = pi->entry +i;
 		analyze_plot_info_minmax(entry, pi->entry, pi->entry+nr);
 	}
-	
+
 	return pi;
 }
 
@@ -1387,6 +1387,8 @@ void plot(struct graphics_context *gc, cairo_rectangle_int_t *drawing_area, stru
 		int duration = dive->duration.seconds;
 		int maxdepth = dive->maxdepth.mm;
 		int asc_desc_time = dive->maxdepth.mm*60/9000;
+		if (asc_desc_time * 2 >= duration)
+			asc_desc_time = duration / 2;
 		sample = fake;
 		fake[1].time.seconds = asc_desc_time;
 		fake[1].depth.mm = maxdepth;