X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fdatamodel%2FSequencePoint.java;h=3db7ceee9924dced6a1acaddaa69040c3e62b7c5;hb=9e31a59b947882325ffe614bd71fb732d7952a23;hp=a6b967e8b99e49ab4711c21d1672c2c56547ae9e;hpb=37de9310bec3501cbc6381e0c3dcb282fcaad812;p=jalview.git

diff --git a/src/jalview/datamodel/SequencePoint.java b/src/jalview/datamodel/SequencePoint.java
index a6b967e..3db7cee 100755
--- a/src/jalview/datamodel/SequencePoint.java
+++ b/src/jalview/datamodel/SequencePoint.java
@@ -21,33 +21,69 @@
 package jalview.datamodel;
 
 /**
- * DOCUMENT ME!
- * 
- * @author $author$
- * @version $Revision$
+ * A bean that models a set of (x, y, z) values and a reference to a sequence.
+ * As used in Principal Component Analysis, the (x, y, z) values are the
+ * sequence's score for the currently selected first, second and third
+ * dimensions of the PCA.
  */
 public class SequencePoint
 {
-  // SMJS PUBLIC
+  /*
+   * Associated alignment sequence, or dummy sequence object
+   */
+  private final SequenceI sequence;
+
+  /*
+   * x, y, z values
+   */
+  public Point coord;
+
   /**
-   * for points with no real physical association with an alignment sequence
+   * Constructor
+   * 
+   * @param sequence
+   * @param coord
    */
-  public boolean isPlaceholder = false;
+  public SequencePoint(SequenceI sequence, Point pt)
+  {
+    this.sequence = sequence;
+    this.coord = pt;
+  }
 
   /**
-   * Associated alignment sequence, or dummy sequence object.
+   * Constructor given a sequence and an array of x, y, z coordinate positions
+   * 
+   * @param sequence
+   * @param coords
+   * @throws ArrayIndexOutOfBoundsException
+   *           if array length is less than 3
    */
-  public SequenceI sequence;
+  public SequencePoint(SequenceI sequence, float[] coords)
+  {
+    this(sequence, new Point(coords[0], coords[1], coords[2]));
+  }
+
+  public SequenceI getSequence()
+  {
+    return sequence;
+  }
 
   /**
-   * array of coordinates in embedded sequence space.
+   * Applies a translation to the (x, y, z) coordinates
+   * 
+   * @param centre
    */
-  public float[] coord;
+  public void translate(float x, float y, float z)
+  {
+    coord = new Point(coord.x + x, coord.y + y, coord.z + z);
+  }
 
-  // SMJS ENDPUBLIC
-  public SequencePoint(SequenceI sequence, float[] coord)
+  /**
+   * string representation for ease of inspection in debugging or logging only
+   */
+  @Override
+  public String toString()
   {
-    this.sequence = sequence;
-    this.coord = coord;
+    return sequence.getName() + " " + coord.toString();
   }
 }