JAL-4089 - if no centerViewOn commands are given, don’t try to execute!

diff --git a/src/jalview/structures/models/AAStructureBindingModel.java b/src/jalview/structures/models/AAStructureBindingModel.java
index 8436b48..9e8f286 100644 (file)
--- a/src/jalview/structures/models/AAStructureBindingModel.java
+++ b/src/jalview/structures/models/AAStructureBindingModel.java
@@ -973,7 +973,10 @@ public abstract class AAStructureBindingModel
       }
       List<StructureCommandI> finalView = commandGenerator
               .centerViewOn(models);
-      executeCommands(finalView, false, "Centered on Superposition");
+      if (finalView!=null && finalView.size()>0)
+      {
+        executeCommands(finalView, false, "Centered on Superposition");
+      }
     }
     return error;
   }