X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=profile.c;h=b01514a574be3001aa80d3f5ee3cff96d846c614;hb=a9d1f318b5d1974b882b0cebc9db291f5c0d1c62;hp=3b69f18398d2888b41be42a76bd1c603eebc1600;hpb=e1019cafa87058562d9f5844619841546029a57c;p=ext%2Fsubsurface.git

diff --git a/profile.c b/profile.c
index 3b69f18..b01514a 100644
--- a/profile.c
+++ b/profile.c
@@ -622,12 +622,16 @@ static void set_sac_color(struct graphics_context *gc, int sac, int avg_sac)
 	int sac_index = 0;
 	int delta = sac - avg_sac + 7000;
 
-	sac_index = delta / 2000;
-	if (sac_index < 0)
-		sac_index = 0;
-	if (sac_index > SAC_COLORS - 1)
-		sac_index = SAC_COLORS - 1;
-	set_source_rgb_struct(gc, &sac_color[sac_index]);
+	if (!gc->printer) {
+		sac_index = delta / 2000;
+		if (sac_index < 0)
+			sac_index = 0;
+		if (sac_index > SAC_COLORS - 1)
+			sac_index = SAC_COLORS - 1;
+		set_source_rgb_struct(gc, &sac_color[sac_index]);
+	} else {
+		set_source_rgb(gc, 1.0, 1.0, 1.0);
+	}
 }
 
 /* calculate the current SAC in ml/min and convert to int */
@@ -669,20 +673,17 @@ 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 */
-				int fe = i + 1;
-				struct plot_data *future_entry = pi->entry + fe;
-				while (fe < pi->nr && future_entry->sec - entry->sec < SAC_WINDOW) {
-					fe++;
-					future_entry = pi->entry + fe;
-				}
-				sac = GET_LOCAL_SAC(entry, future_entry, dive);
+			sac = GET_LOCAL_SAC(entry, pi->entry + i + 1, dive);
+		} else {
+			int j;
+			sac = 0;
+			for (j = last; j < i; j++)
+				sac += GET_LOCAL_SAC(pi->entry + j, pi->entry + j + 1, dive);
+			sac /= (i - last);
+			if (entry->sec - last_entry->sec >= SAC_WINDOW) {
+				last++;
+				last_entry = pi->entry + last;
 			}
-		} else if (entry->sec - last_entry->sec >= SAC_WINDOW) {
-			sac = GET_LOCAL_SAC(last_entry, entry, dive);
-			last++;
-			last_entry = pi->entry + last;
 		}
 		set_sac_color(gc, sac, dive->sac);
 		if (lift_pen) {
@@ -949,6 +950,21 @@ static void list_free(pr_track_t *list)
 	free(list);
 }
 
+static void dump_pr_track(pr_track_t **track_pr)
+{
+	int cyl;
+	pr_track_t *list;
+
+	for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) {
+		list = track_pr[cyl];
+		while (list) {
+			printf("cyl%d: start %d end %d t_start %d t_end %d pt %6.3f\n", cyl,
+				list->start, list->end, list->t_start, list->t_end, list->pressure_time);
+			list = list->next;
+		}
+	}
+}
+
 static void fill_missing_tank_pressures(struct dive *dive, struct plot_info *pi,
 					pr_track_t **track_pr)
 {
@@ -959,6 +975,10 @@ static void fill_missing_tank_pressures(struct dive *dive, struct plot_info *pi,
 	struct plot_data *entry;
 	int cur_pr[MAX_CYLINDERS];
 
+	if (0) {
+		/* another great debugging tool */
+		dump_pr_track(track_pr);
+	}
 	for (cyl = 0; cyl < MAX_CYLINDERS; cyl++) {
 		cur_pr[cyl] = track_pr[cyl]->start;
 	}
@@ -998,12 +1018,13 @@ static void fill_missing_tank_pressures(struct dive *dive, struct plot_info *pi,
 					list = NULL;
 					continue;
 				}
-				magic = (nlist->end - cur_pr[entry->cylinderindex]) / pt;				}
+				magic = (nlist->end - cur_pr[entry->cylinderindex]) / pt;
+			}
 			if (pt != 0.0) {
 				double cur_pt = (entry->sec - (entry-1)->sec) *
-					(1 + entry->depth / 10000.0);
+					(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];
@@ -1140,8 +1161,13 @@ 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 -
@@ -1217,7 +1243,7 @@ static struct plot_info *create_plot_info(struct dive *dive, int nr_samples, str
 		}
 		/* finally, do the discrete integration to get the SAC rate equivalent */
 		current->pressure_time += (entry->sec - (entry-1)->sec) *
-						(1 + entry->depth / 10000.0);
+			(1 + (entry->depth + (entry-1)->depth) / 20000.0);
 		missing_pr |= !SENSOR_PRESSURE(entry);
 	}