altoslib: Check for valid pad alt before computing GPS height series

[fw/altos] / altoslib / AltosFlightSeries.java

diff --git a/altoslib/AltosFlightSeries.java b/altoslib/AltosFlightSeries.java
index 88529e2a908abb3e9054c6a468b1db112c7e38c9..0b60fdf586dcf1c41ecdd60f61960415ee323c5b 100644 (file)
--- a/altoslib/AltosFlightSeries.java
+++ b/altoslib/AltosFlightSeries.java
@@ -237,7 +237,7 @@ public class AltosFlightSeries extends AltosDataListener {
                                height_series.add(alt.time, alt.value - ground_altitude);
                }
 
-               if (gps_height == null && cal_data.gps_pad != null && gps_altitude != null) {
+               if (gps_height == null && cal_data.gps_pad != null && cal_data.gps_pad.alt != AltosLib.MISSING && gps_altitude != null) {
                        double gps_ground_altitude = cal_data.gps_pad.alt;
                        gps_height = add_series(gps_height_name, AltosConvert.height);
                        for (AltosTimeValue gps_alt : gps_altitude)