diff --git a/src/engine/InterestManagement/HeightMap.java b/src/engine/InterestManagement/HeightMap.java
index 12e28ac1..23675512 100644
--- a/src/engine/InterestManagement/HeightMap.java
+++ b/src/engine/InterestManagement/HeightMap.java
@@ -44,17 +44,17 @@ public class HeightMap {
 
     public BufferedImage heightmapImage;
 
-    private int heightMapID;
-    private int maxHeight;
-    private int fullExtentsX;
-    private int fullExtentsY;
+    private final int heightMapID;
+    private final int maxHeight;
+    private final int fullExtentsX;
+    private final int fullExtentsY;
 
     private float bucketWidthX;
     private float bucketWidthY;
-    private int zoneLoadID;
+    private final int zoneLoadID;
     private float seaLevel = 0;
-    private float outsetX;
-    private float outsetZ;
+    private final float outsetX;
+    private final float outsetZ;
     private int[][] pixelColorValues;
 
     public HeightMap(ResultSet rs) throws SQLException {
@@ -87,7 +87,7 @@ public class HeightMap {
         try {
             this.heightmapImage = ImageIO.read(imageFile);
         } catch (IOException e) {
-            Logger.error("***Error loading heightmap data for heightmap " + this.heightMapID + e.toString());
+            Logger.error("***Error loading heightmap data for heightmap " + this.heightMapID + e);
         }
 
         // We needed to flip the image as OpenGL and Shadowbane both use the bottom left corner as origin.
@@ -334,10 +334,25 @@ public class HeightMap {
         float localAltitude = HeightMap.getWorldHeight(currentLoc);
         Zone zone = ZoneManager.findSmallestZone(currentLoc);
 
-        if (localAltitude < zone.getSeaLevel())
-            return true;
+        return localAltitude < zone.getSeaLevel();
+    }
+
+    private static void generatePixelData(HeightMap heightMap) {
+
+        Color color;
+
+        // Generate altitude lookup table for this heightmap
+
+        heightMap.pixelColorValues = new int[heightMap.heightmapImage.getWidth()][heightMap.heightmapImage.getHeight()];
+
+        for (int y = 0; y < heightMap.heightmapImage.getHeight(); y++) {
+            for (int x = 0; x < heightMap.heightmapImage.getWidth(); x++) {
+
+                color = new Color(heightMap.heightmapImage.getRGB(x, y));
+                heightMap.pixelColorValues[x][y] = color.getRed();
+            }
+        }
 
-        return false;
     }
 
     public Vector2f getGridSquare(Vector2f zoneLoc) {
@@ -423,24 +438,6 @@ public class HeightMap {
         return interpolatedHeight;
     }
 
-    private static void generatePixelData(HeightMap heightMap) {
-
-        Color color;
-
-        // Generate altitude lookup table for this heightmap
-
-        heightMap.pixelColorValues = new int[heightMap.heightmapImage.getWidth()][heightMap.heightmapImage.getHeight()];
-
-        for (int y = 0; y < heightMap.heightmapImage.getHeight(); y++) {
-            for (int x = 0; x < heightMap.heightmapImage.getWidth(); x++) {
-
-                color = new Color(heightMap.heightmapImage.getRGB(x, y));
-                heightMap.pixelColorValues[x][y] = color.getRed();
-            }
-        }
-
-    }
-
     public float getBucketWidthX() {
         return bucketWidthX;
     }