From: Keith Packard <keithp@keithp.com>
Date: Wed, 9 Oct 2024 17:51:55 +0000 (-0700)
Subject: altosdroid: Set ground altitude to device altitude for TeleGPS
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=8f946dbbf6738c535a6bccda9d27715aa225f69b;p=fw%2Faltos

altosdroid: Set ground altitude to device altitude for TeleGPS

Use the current device altitude as the 'ground' altitude for height
computations. This should make the height data far more useful as it
won't be using some early GPS data from the device.

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

diff --git a/altosdroid/app/src/main/java/org/altusmetrum/AltosDroid/AltosDroid.java b/altosdroid/app/src/main/java/org/altusmetrum/AltosDroid/AltosDroid.java
index fd161970..33901e34 100644
--- a/altosdroid/app/src/main/java/org/altusmetrum/AltosDroid/AltosDroid.java
+++ b/altosdroid/app/src/main/java/org/altusmetrum/AltosDroid/AltosDroid.java
@@ -505,8 +505,10 @@ public class AltosDroid extends FragmentActivity implements AltosUnitsListener,
 
 			if (location != null && state.gps != null && state.gps.locked) {
 				double altitude = 0;
-				if (location.hasAltitude())
+				if (location.hasAltitude()) {
 					altitude = location.getAltitude();
+					state.set_gps_ground_altitude(altitude);
+				}
 				from_receiver = new AltosGreatCircle(location.getLatitude(),
 								     location.getLongitude(),
 								     altitude,