From e884b363198bc0254c21ac75ee12ba45099b88c0 Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Thu, 4 Nov 2004 17:58:04 +0000
Subject: [PATCH] Only 4 or more sequences allowed for PCA

---
 src/jalview/gui/PCAPanel.java |    8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/jalview/gui/PCAPanel.java b/src/jalview/gui/PCAPanel.java
index 97df517..7875567 100755
--- a/src/jalview/gui/PCAPanel.java
+++ b/src/jalview/gui/PCAPanel.java
@@ -23,6 +23,14 @@ public class PCAPanel extends GPCAPanel implements Runnable
   public PCAPanel(AlignViewport av, SequenceI[] s) {
 
     this.av = av;
+    if(av.getSelection().size()>3)
+    {
+      s = new Sequence[av.getSelection().size()];
+      for(int i=0; i<s.length; i++)
+        s[i] = av.getSelection().sequenceAt(i);
+    }
+
+
     if(s==null)
     {
       s = new Sequence[av.getAlignment().getHeight()];
-- 
1.7.10.2