X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequenceI.java;h=6e6d1aada4a1e4c5067ecda1dc3fd2e9d7444abd;hb=232f7d67b34c8e52c85d9fdf6d81392b889458c5;hp=6992a8db9aee7b69bea20bed1fa2fd1189569bc4;hpb=35e6fbcf5ba60709ffccaf02df6c8b414dfa2647;p=jalview.git

diff --git a/src/jalview/datamodel/SequenceI.java b/src/jalview/datamodel/SequenceI.java
index 6992a8d..6e6d1aa 100755
--- a/src/jalview/datamodel/SequenceI.java
+++ b/src/jalview/datamodel/SequenceI.java
@@ -119,9 +119,9 @@ public interface SequenceI extends ASequenceI
   public String getSequenceAsString(int start, int end);
 
   /**
-   * Get the sequence as a character array
+   * Answers a copy of the sequence as a character array
    * 
-   * @return seqeunce and any gaps
+   * @return
    */
   public char[] getSequence();
 
@@ -203,6 +203,16 @@ 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
+   * 
+   * @param fromColum
+   * @param toColumn
+   * @return
+   */
+  public Range findPositions(int fromColum, int toColumn);
+
+  /**
    * Returns an int array where indices correspond to each residue in the
    * sequence and the element value gives its position in the alignment
    * 
@@ -515,4 +525,13 @@ public interface SequenceI extends ASequenceI
    *         returns true.
    */
   BitSet getInsertionsAsBits();
+
+  /**
+   * Replaces every occurrence of c1 in the sequence with c2 and returns the
+   * number of characters changed
+   * 
+   * @param c1
+   * @param c2
+   */
+  public int replace(char c1, char c2);
 }