altosui: Handle units in pyro config.

This lets you edit the pyro configuration using imperial units if
desired.

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

1 files changed, 12 insertions, 0 deletions

diff --git a/altoslib/AltosConvert.java b/altoslib/AltosConvert.java
index 760d9eb9..8d0b74dd 100644
--- a/altoslib/AltosConvert.java
+++ b/altoslib/AltosConvert.java
@@ -290,10 +290,18 @@ public class AltosConvert {
 		return meters_to_feet(meters) / 5280;
 	}
 
+	public static double miles_to_meters(double miles) {
+		return feet_to_meters(miles * 5280);
+	}
+
 	public static double meters_to_mph(double mps) {
 		return meters_to_miles(mps) * 3600;
  	}
 
+	public static double mph_to_meters(double mps) {
+		return miles_to_meters(mps) / 3600;
+ 	}
+
 	public static double meters_to_mach(double meters) {
 		return meters / 343;		/* something close to mach at usual rocket sites */
 	}
@@ -306,6 +314,10 @@ public class AltosConvert {
 		return c * 9/5 + 32;
 	}
 
+	public static double f_to_c(double c) {
+		return (c - 32) * 5/9;
+	}
+
 	public static boolean imperial_units = false;
 
 	public static AltosDistance distance = new AltosDistance();