From: Keith Packard <keithp@keithp.com>
Date: Sun, 28 May 2017 23:53:03 +0000 (-0700)
Subject: altoslib: Check for valid pad alt before computing GPS height series
X-Git-Tag: 1.8~53
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=b3cd7590f35babc346ba245d32d6290f22b2a13f

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

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/altoslib/AltosFlightSeries.java b/altoslib/AltosFlightSeries.java
index 88529e2a..0b60fdf5 100644
--- 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)