X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Futil%2FMappingUtils.java;h=b552c21413d761a427ed227c8876ffad801e5b7e;hb=e7921fdc9d6ab87ef91bb7781dd7d9316e671e3f;hp=f5dd88366976c3a028865e8458f44f513b887eda;hpb=14193747f3831242bc7dfac12394eb20eb0ba480;p=jalview.git

diff --git a/src/jalview/util/MappingUtils.java b/src/jalview/util/MappingUtils.java
index f5dd883..b552c21 100644
--- a/src/jalview/util/MappingUtils.java
+++ b/src/jalview/util/MappingUtils.java
@@ -542,9 +542,11 @@ public final class MappingUtils
               toSequences, fromGapChar);
     }
 
-    for (int[] hidden : hiddencols.getHiddenColumnsCopy())
+    Iterator<int[]> regions = hiddencols.iterator();
+    while (regions.hasNext())
     {
-      mapHiddenColumns(hidden, codonFrames, newHidden, fromSequences,
+      mapHiddenColumns(regions.next(), codonFrames, newHidden,
+              fromSequences,
               toSequences, fromGapChar);
     }
     return; // mappedColumns;