X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FOverviewPanel.java;fp=src%2Fjalview%2Fgui%2FOverviewPanel.java;h=c530fdce40088bba6d8aedb7830005dc76023ff8;hb=550949340ef5ccd5757dd50b11b9613d61571046;hp=ac2138f6c37b9cda4f06eaf9344659a9fb9cb60f;hpb=ef0a35a8dff8c0cc6ffa634c2b01cdca61f74b3d;p=jalview.git

diff --git a/src/jalview/gui/OverviewPanel.java b/src/jalview/gui/OverviewPanel.java
index ac2138f..c530fdc 100755
--- a/src/jalview/gui/OverviewPanel.java
+++ b/src/jalview/gui/OverviewPanel.java
@@ -90,7 +90,9 @@ public class OverviewPanel extends JPanel implements Runnable
     sr.forOverview = true;
     fr = new FeatureRenderer(ap);
 
-    od = new OverviewDimensions(av.getRanges(), av.isShowAnnotation());
+    od = new OverviewDimensions(av.getRanges(),
+            (av.isShowAnnotation() && av
+                    .getAlignmentConservationAnnotation() != null));
 
     addComponentListener(new ComponentAdapter()
     {
@@ -201,7 +203,9 @@ public class OverviewPanel extends JPanel implements Runnable
 
     buildImage(sampleRow, sampleCol);
 
-    if (av.isShowAnnotation())
+    // check for conservation annotation to make sure overview works for DNA too
+    if (av.isShowAnnotation()
+            && (av.getAlignmentConservationAnnotation() != null))
     {
       renderer.updateFromAlignViewport(av);
       for (int col = 0; col < od.getWidth() && !resizeAgain; col++)