Add GPS height to the usual plotplot-gps-height

This lets us compare the GPS height data to the barometric height data

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

1 files changed, 1 insertions, 0 deletions

diff --git a/altosui/AltosDataPoint.java b/altosui/AltosDataPoint.java
index 4956e9f3..f3408cb2 100644
--- a/altosui/AltosDataPoint.java
+++ b/altosui/AltosDataPoint.java
@@ -17,6 +17,7 @@ interface AltosDataPoint {
 
     double acceleration();
     double height();
+    double gps_height();
     double speed();
     double temperature();
     double battery_voltage();