X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fviewmodel%2FOverviewDimensions.java;h=170f4e9ceca8d30d7fe6125e3f923d6e9ecf2c3f;hb=ef14d83cfe8ca0bb2271d50d638516cdc90c2b8b;hp=ee3b511d85ad4019c3c9d1ad11e0c8c7f01e6491;hpb=58fb14c48ecb086be7422f92addf14f930656523;p=jalview.git

diff --git a/src/jalview/viewmodel/OverviewDimensions.java b/src/jalview/viewmodel/OverviewDimensions.java
index ee3b511..170f4e9 100644
--- a/src/jalview/viewmodel/OverviewDimensions.java
+++ b/src/jalview/viewmodel/OverviewDimensions.java
@@ -272,7 +272,8 @@ public abstract class OverviewDimensions
     resetAlignmentDims();
 
     // boxX, boxY is the x,y location equivalent to startRes, startSeq
-    boxX = Math.round((float) startRes * width / alwidth);
+    int xPos = Math.min(startRes, alwidth - vpwidth + 1);
+    boxX = Math.round((float) xPos * width / alwidth);
     boxY = Math.round((float) startSeq * sequencesHeight / alheight);
 
     // boxWidth is the width in residues translated to pixels
@@ -300,7 +301,8 @@ public abstract class OverviewDimensions
   /*
    * Given the centre x position, calculate the box's left x position
    */
-  protected abstract int getLeftXFromCentreX(int mousex, HiddenColumns hidden);
+  protected abstract int getLeftXFromCentreX(int mousex,
+          HiddenColumns hidden);
 
   /*
    * Given the centre y position, calculate the box's top y position