Index: applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/DefaultMapController.java
===================================================================
--- applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/DefaultMapController.java	(revision 32601)
+++ applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/DefaultMapController.java	(revision 32602)
@@ -8,4 +8,5 @@
 import java.awt.event.MouseWheelEvent;
 import java.awt.event.MouseWheelListener;
+import java.util.Locale;
 
 /**
@@ -185,5 +186,5 @@
     public static boolean isPlatformOsx() {
         String os = System.getProperty("os.name");
-        return os != null && os.toLowerCase().startsWith("mac os x");
+        return os != null && os.toLowerCase(Locale.ENGLISH).startsWith("mac os x");
     }
 }
Index: applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/OsmMercator.java
===================================================================
--- applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/OsmMercator.java	(revision 32601)
+++ applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/OsmMercator.java	(revision 32602)
@@ -22,5 +22,5 @@
     public static final double MIN_LAT = -85.05112877980659;
     /** equatorial earth radius for EPSG:3857 (Mercator) */
-    public static final double EARTH_RADIUS = 6378137;
+    public static final double EARTH_RADIUS = 6_378_137;
 
     /**
Index: applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/ScanexTileSource.java
===================================================================
--- applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/ScanexTileSource.java	(revision 32601)
+++ applications/viewer/jmapviewer/src/org/openstreetmap/gui/jmapviewer/tilesources/ScanexTileSource.java	(revision 32602)
@@ -24,8 +24,4 @@
     // Latitude to Y and back calculations.
 
-    /** radius of Earth at equator, m */
-    private static double RADIUS_E = 6378137;
-    /** equator length, m */
-    private static double EQUATOR = 40075016.68557849;
     /** eccentricity of Earth's ellipsoid */
     private static double E = 0.0818191908426;