X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=profile.c;h=aedea192b3583a85f0945259d7dca193105eb6d6;hb=671f6544ac8b4a6eb68576b37344e84808511eb8;hp=9fab8b2e89f5ae72cf4732f91e48d4a3cb73de00;hpb=25e18211ec99ff15c26315eff87fc31816ce8f33;p=ext%2Fsubsurface.git

diff --git a/profile.c b/profile.c
index 9fab8b2..aedea19 100644
--- a/profile.c
+++ b/profile.c
@@ -669,10 +669,7 @@ static void plot_cylinder_pressure(struct graphics_context *gc, struct plot_info
 		if (!last_entry) {
 			last = i;
 			last_entry = entry;
-			if (first_plot) {
-				/* don't start with a sac of 0, so just calculate the first one */
-				sac = GET_LOCAL_SAC(entry, pi->entry + i + 1, dive);
-			}
+			sac = GET_LOCAL_SAC(entry, pi->entry + i + 1, dive);
 		} else {
 			int j;
 			sac = 0;
@@ -1004,7 +1001,7 @@ static void fill_missing_tank_pressures(struct dive *dive, struct plot_info *pi,
 				double cur_pt = (entry->sec - (entry-1)->sec) *
 					(1 + (entry->depth + (entry-1)->depth) / 20000.0);
 				INTERPOLATED_PRESSURE(entry) =
-					cur_pr[entry->cylinderindex] + cur_pt * magic;
+					cur_pr[entry->cylinderindex] + cur_pt * magic + 0.5;
 				cur_pr[entry->cylinderindex] = INTERPOLATED_PRESSURE(entry);
 			} else
 				INTERPOLATED_PRESSURE(entry) = cur_pr[entry->cylinderindex];
@@ -1141,8 +1138,13 @@ static struct plot_info *create_plot_info(struct dive *dive, int nr_samples, str
 		while (ev && ev->time.seconds < sample->time.seconds) {
 			/* insert two fake plot info structures for the end of
 			 * the old tank and the start of the new tank */
-			entry->sec = ev->time.seconds;
-			(entry+1)->sec = ev->time.seconds + 1;
+			if (ev->time.seconds == sample->time.seconds - 1) {
+				entry->sec = ev->time.seconds - 1;
+				(entry+1)->sec = ev->time.seconds;
+			} else {
+				entry->sec = ev->time.seconds;
+				(entry+1)->sec = ev->time.seconds + 1;
+			}
 			/* we need a fake depth - let's interpolate */
 			if (i) {
 				entry->depth = sample->depth.mm -