X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=altoslib%2FAltosState.java;h=8eacf97515d74f3f280dd12ed5d37609067c56d6;hp=d363027cb214242c88799fc98bc8d4cdedd58291;hb=60b8bea12edb954e6140a92c8412364c9581e3c2;hpb=4231d68bae69d9a7d1f52205002db452cd5f986d

diff --git a/altoslib/AltosState.java b/altoslib/AltosState.java
index d363027c..8eacf975 100644
--- a/altoslib/AltosState.java
+++ b/altoslib/AltosState.java
@@ -19,7 +19,7 @@
  * Track flight state from telemetry or eeprom data stream
  */
 
-package org.altusmetrum.altoslib_6;
+package org.altusmetrum.altoslib_7;
 
 import java.io.*;
 
@@ -31,8 +31,9 @@ public class AltosState implements Cloneable, Serializable {
 
 	public int set;
 
+	static final double filter_len = 2.0;
 	static final double ascent_filter_len = 0.5;
-	static final double descent_filter_len = 0.5;
+	static final double descent_filter_len = 5.0;
 
 	/* derived data */
 
@@ -64,8 +65,10 @@ public class AltosState implements Cloneable, Serializable {
 		}
 
 		void set_filtered(double new_value, double time) {
-			if (prev_value != AltosLib.MISSING)
-				new_value = (prev_value * 15.0 + new_value) / 16.0;
+			if (prev_value != AltosLib.MISSING) {
+				double f = 1/Math.exp((time - prev_set_time) / filter_le);
+				new_value = f * new_value + (1-f) * prev_value;
+			}
 			set(new_value, time);
 		}
 
@@ -1040,6 +1043,10 @@ public class AltosState implements Cloneable, Serializable {
 		return AltosLib.state_name(state);
 	}
 
+	public void set_product(String product) {
+		this.product = product;
+	}
+
 	public void set_state(int state) {
 		if (state != AltosLib.ao_flight_invalid) {
 			this.state = state;