X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fnet%2Fsf%2Fopenrocket%2Fmodels%2Fgravity%2FGravityModel.java;h=7feba89246ac3a78d4b75620ebb171a5806ff9ad;hb=601e76c57135056b8e0997019c49f3c695d61e45;hp=bf38d520923ed0d0478bbf4959e7af3ae58f0d5e;hpb=b3e9fe9c4d2a392bb28ae2bc2ead4c5038677919;p=debian%2Fopenrocket

diff --git a/src/net/sf/openrocket/models/gravity/GravityModel.java b/src/net/sf/openrocket/models/gravity/GravityModel.java
index bf38d520..7feba892 100644
--- a/src/net/sf/openrocket/models/gravity/GravityModel.java
+++ b/src/net/sf/openrocket/models/gravity/GravityModel.java
@@ -1,20 +1,29 @@
 package net.sf.openrocket.models.gravity;
 
-import net.sf.openrocket.util.Monitorable;
+//import net.sf.openrocket.util.Monitorable;
+import net.sf.openrocket.util.WorldCoordinate;
 
 /**
  * An interface to modelling gravitational acceleration.
  * 
  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  */
-public interface GravityModel extends Monitorable {
+public interface GravityModel { //extends Monitorable {
 
 	/**
-	 * Compute the gravity at a specific altitude.
+	 * Compute the gravity at a specific altitude above equator.
 	 * 
 	 * @param altitude	the altitude at which to compute the gravity
 	 * @return			the gravitational acceleration
 	 */
-	public double getGravity(double altitude);
+	//public double getGravity(double altitude);
+	
+	
+	/**
+	 * Compute the gravity at a given world coordinate
+	 * @param wc
+	 * @return gravitational acceleration in m/s/s
+	 */
+	public double getGravity(WorldCoordinate wc);
 	
 }