X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FAlignedCodonFrame.java;h=6faf7a69179a11f7a6a83c058b93bb52dcef8f6a;hb=9c16178c0601ea3169d7a5d5d623dafa45c54f85;hp=6e83fbb7d262331d3dff05336b5c939a50bbe900;hpb=c19ee8bb9c1b1f2b0996522a4935333d43ac9671;p=jalview.git

diff --git a/src/jalview/datamodel/AlignedCodonFrame.java b/src/jalview/datamodel/AlignedCodonFrame.java
index 6e83fbb..6faf7a6 100644
--- a/src/jalview/datamodel/AlignedCodonFrame.java
+++ b/src/jalview/datamodel/AlignedCodonFrame.java
@@ -433,7 +433,8 @@ public class AlignedCodonFrame
 
   /**
    * Add search results for regions in other sequences that translate or are
-   * translated from a particular position in seq
+   * translated from a particular position in seq (which may be an aligned or
+   * dataset sequence)
    * 
    * @param seq
    * @param index
@@ -445,6 +446,10 @@ public class AlignedCodonFrame
           SearchResultsI results)
   {
     SequenceI ds = seq.getDatasetSequence();
+    if (ds == null)
+    {
+      ds = seq;
+    }
     for (SequenceToSequenceMapping ssm : mappings)
     {
       ssm.markMappedRegion(ds, index, results);
@@ -949,9 +954,9 @@ public class AlignedCodonFrame
   }
 
   /**
-   * Returns the first mapping found which is between the given sequence and
-   * another, is a triplet mapping (3:1 or 1:3), and covers the full extent of
-   * both sequences involved.
+   * Returns the first mapping found which is between the given dataset sequence
+   * and another, is a triplet mapping (3:1 or 1:3), and covers the full extent
+   * of both sequences involved
    * 
    * @param seq
    * @return