Index: /trunk/src/org/openstreetmap/josm/gui/layer/GpxLayer.java
===================================================================
--- /trunk/src/org/openstreetmap/josm/gui/layer/GpxLayer.java	(revision 6903)
+++ /trunk/src/org/openstreetmap/josm/gui/layer/GpxLayer.java	(revision 6904)
@@ -752,4 +752,5 @@
          ****************************************************************/
         if (large || hdopcircle) {
+            final int halfSize = largesize/2;
             g.setColor(neutralColor);
             for (WayPoint trkPnt : visibleSegments) {
@@ -771,5 +772,5 @@
                 }
                 if (large) {
-                    g.fillRect(screen.x-1, screen.y-1, largesize, largesize);
+                    g.fillRect(screen.x-halfSize, screen.y-halfSize, largesize, largesize);
                 }
             } // end for trkpnt