X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequenceI.java;h=15b61d2b4dcda5be93d6e01f1885aa8bb8b40009;hb=383fd91269f510b189450fbe174e9c051103c7eb;hp=8dce31e586b4bc0ce21c7f9e6dee66736d2b3db8;hpb=948bd3bcbacc509da0cefaae3eedd97300a6ccce;p=jalview.git

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index 8dce31e..15b61d2 100755
--- a/src/jalview/datamodel/SequenceI.java
+++ b/src/jalview/datamodel/SequenceI.java
@@ -112,9 +112,11 @@ public interface SequenceI extends ASequenceI
    * get a range on the sequence as a string
    * 
    * @param start
-   *          position relative to start of sequence including gaps (from 0)
+   *          (inclusive) position relative to start of sequence including gaps
+   *          (from 0)
    * @param end
-   *          position relative to start of sequence including gaps (from 0)
+   *          (exclusive) position relative to start of sequence including gaps
+   *          (from 0)
    * 
    * @return String containing all gap and symbols in specified range
    */
@@ -206,14 +208,17 @@ public interface SequenceI extends ASequenceI
   public int findPosition(int i);
 
   /**
-   * Returns the from-to sequence positions (start..) for the given column
-   * positions (1..), or null if no residues are included in the range
+   * Returns the sequence positions for first and last residues lying within the
+   * given column positions [fromColum,toColumn] (where columns are numbered
+   * from 1), or null if no residues are included in the range
    * 
    * @param fromColum
+   *          - first column base 1
    * @param toColumn
+   *          - last column, base 1
    * @return
    */
-  public Range findPositions(int fromColum, int toColumn);
+  public ContiguousI findPositions(int fromColum, int toColumn);
 
   /**
    * Returns an int array where indices correspond to each residue in the