Tracks without bugs for one sat, GUI locks up multiple

src/GUI/Application.java

@@ -52,7 +52,6 @@ public class Application {
 	    public void actionPerformed(ActionEvent evt) {
 	    	List<satPosition> pos = TrackerList.getTracks();
 	    	threeDview.updateTracks(pos);
-	    	System.out.println("update");
 	    }
 	};
 	
@@ -73,8 +72,8 @@ public class Application {
 				try {
 					Application window = new Application();
 					window.frmSatelliteTracker.setVisible(true);
-					new javax.swing.Timer(500, updateTracks).start();
-					new javax.swing.Timer(500, addtrack).start();
+					//new javax.swing.Timer(500, updateTracks).start();
+					new javax.swing.Timer(10 00, addtrack).start();
 				} catch (Exception e) {
 					e.printStackTrace();
 				}

src/GUI/satelliteTree.java

@@ -94,7 +94,7 @@ public class satelliteTree extends JInternalFrame {
 		
 		BufferedImage img = null;
 		try {
-		    img = ImageIO.read(new File("//C:\\Users\\Christopher\\Documents\\GitHub\\Satellite\\satellite.png"));
+		    img = ImageIO.read(new File("D:\\MyDocuments\\GitHub\\Satellite\\satellite.png"));
 		    //D:\\MyDocuments\\GitHub\\Satellite\\satellite.png
 		    //C:\\Users\\Christopher\\Documents\\GitHub\\Satellite\\satellite.png
 		} catch (IOException e) {

src/GUI/view3D.java

@@ -24,6 +24,7 @@ public class view3D extends JInternalFrame{
 	
 	private List<satPosition> trackList = new ArrayList<satPosition>();
 	WorldWindowGLCanvas wwd;
+	RenderableLayer layer = new RenderableLayer();
 	
     public view3D()
     {
@@ -82,13 +83,16 @@ public class view3D extends JInternalFrame{
     }
     
     public void addTrack(String name, Double lat, Double lon){
-        RenderableLayer layer = new RenderableLayer();
+    	
+        
         Iterable<Renderable> iter = layer.getRenderables();
-        for(Renderable rend : iter){
+        while(iter.iterator().hasNext()){
+        	Renderable rend = iter.iterator().next();
         	if(rend instanceof PointPlacemark){
         		PointPlacemark delp = (PointPlacemark)rend;
         		if(delp.getLabelText().equals(name)){
         			delp.setPosition(Position.fromDegrees(lat, lon));
+        			wwd.redraw();
         			return;
         		}
         	}
@@ -99,10 +103,10 @@ public class view3D extends JInternalFrame{
         pp.setLineEnabled(false);
         pp.setAltitudeMode(WorldWind.CLAMP_TO_GROUND);
         PointPlacemarkAttributes attrs = new PointPlacemarkAttributes();
-        attrs.setImageAddress("gov/nasa/worldwindx/examples/images/audioicon-64.png");
+        attrs.setImageAddress("D:\\MyDocuments\\GitHub\\Satellite\\satellite.png");
         attrs.setHeading(-45d);
         attrs.setHeadingReference(AVKey.RELATIVE_TO_GLOBE);
-        attrs.setScale(0.6);
+        attrs.setScale(0.05);
 //        attrs.setImageOffset(new Offset(0.5, 0.5, AVKey.FRACTION, AVKey.FRACTION));
         attrs.setImageOffset(new Offset(19d, 8d, AVKey.PIXELS, AVKey.PIXELS));
         attrs.setLabelColor("ffffffff");