altoslib: Do data analysis on raw values rather than AltosState

Use AltosFlightSeries instead of a sequence of AltosState records when
processing saved data. This provides a better way of doing filtering
and plotting.

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

1 files changed, 8 insertions, 0 deletions

diff --git a/altoslib/AltosUnits.java b/altoslib/AltosUnits.java
index 717a106a..7744cdb4 100644
--- a/altoslib/AltosUnits.java
+++ b/altoslib/AltosUnits.java
@@ -41,6 +41,10 @@ public abstract class AltosUnits {
 
 	public abstract double inverse(double v, boolean imperial_units);
 
+	public String string_value(double v, boolean imperial_units) {
+		return new Double(value(v, imperial_units)).toString();
+	}
+
 	public abstract String show_units(boolean imperial_units);
 
 	public abstract String say_units(boolean imperial_units);
@@ -113,6 +117,10 @@ public abstract class AltosUnits {
 		return say_units(v, AltosConvert.imperial_units);
 	}
 
+	public String string_value(double v) {
+		return string_value(v, AltosConvert.imperial_units);
+	}
+
 	/* Parsing functions. Use the first range of the type */
 	public String parse_units(boolean imperial_units) {
 		return first_range(imperial_units).show_units;