X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altosui%2FAltosGraphUI.java;h=71aa0e6f9c719669ae54a56e182f85d510dc25a2;hp=db0cac2ffe178b60c58cfd27595893f23d49385a;hb=b6b5c64f93fa56bcb22ea1c4279e4f754e6e6f1c;hpb=8b4dcca73c65e87462d5f8d08dbc025aa8cf08a6

diff --git a/altosui/AltosGraphUI.java b/altosui/AltosGraphUI.java
index db0cac2f..71aa0e6f 100644
--- a/altosui/AltosGraphUI.java
+++ b/altosui/AltosGraphUI.java
@@ -46,17 +46,19 @@ public class AltosGraphUI extends AltosUIFrame implements AltosFontListener, Alt
 		boolean			any_gps = false;
 		AltosGPSTimeValue	gtv_last = null;
 
-		for (AltosGPSTimeValue gtv : flight_series.gps_series) {
-			gtv_last = gtv;
-			AltosGPS gps = gtv.gps;
-			if (gps != null &&
-			    gps.locked &&
-			    gps.nsat >= 4) {
-				if (map == null)
-					map = new AltosUIMap();
-				map.show(gps, (int) flight_series.value_before(AltosFlightSeries.state_name, gtv.time));
-				this.gps = gps;
-				has_gps = true;
+		if (flight_series.gps_series != null) {
+			for (AltosGPSTimeValue gtv : flight_series.gps_series) {
+				gtv_last = gtv;
+				AltosGPS gps = gtv.gps;
+				if (gps != null &&
+				    gps.locked &&
+				    gps.nsat >= 4) {
+					if (map == null)
+						map = new AltosUIMap();
+					map.show(gps, (int) flight_series.value_before(AltosFlightSeries.state_name, gtv.time));
+					this.gps = gps;
+					has_gps = true;
+				}
 			}
 		}
 		if (gtv_last != null) {