X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAlignmentAnnotation.java;h=a3328b317d8d7e31acf9940392e04848fbca6ab5;hb=1dabf099b7c77fb0a80039f72cef34669df9b2e1;hp=d8ad4fc1a0e4b9ab357bae5531db4c6ecfdbd25e;hpb=d4c1851efd67ba892144ec32004c67701e72ce08;p=jalview.git

diff --git a/src/jalview/datamodel/AlignmentAnnotation.java b/src/jalview/datamodel/AlignmentAnnotation.java
index d8ad4fc..a3328b3 100755
--- a/src/jalview/datamodel/AlignmentAnnotation.java
+++ b/src/jalview/datamodel/AlignmentAnnotation.java
@@ -203,7 +203,7 @@ public class AlignmentAnnotation
                 && firstChar != '-'
                 && firstChar < jalview.schemes.ResidueProperties.aaIndex.length)
         {
-          if (jalview.schemes.ResidueProperties.aaIndex[firstChar] < 23)
+          if (jalview.schemes.ResidueProperties.aaIndex[firstChar] < 23) // TODO: parameterise to gap symbol number
           {
             nonSSLabel = true;
           }
@@ -310,6 +310,15 @@ public class AlignmentAnnotation
           min = annotations[i].value;
         }
       }
+      // ensure zero is origin for min/max ranges on only one side of zero
+      if (min>0) {
+        min = 0;
+      } else {
+        if (max<0)
+        {
+          max = 0;
+        }
+        }
     }
 
     graphMin = min;