From: Jim Procter <jprocter@issues.jalview.org>
Date: Mon, 5 Jun 2017 20:49:14 +0000 (+0100)
Subject: JAL-2590 patch for rendering eggnog trees with polytomies (also see
X-Git-Tag: Release_2_10_2~3^2~24^2
X-Git-Url: http://source.jalview.org/gitweb/?p=jalview.git;a=commitdiff_plain;h=61e0e9704ff9fafba47480445fd5a38b82024b0d

JAL-2590 patch for rendering eggnog trees with polytomies (also see
---

diff --git a/src/jalview/appletgui/TreeCanvas.java b/src/jalview/appletgui/TreeCanvas.java
index 48e9d64..272a2b3 100755
--- a/src/jalview/appletgui/TreeCanvas.java
+++ b/src/jalview/appletgui/TreeCanvas.java
@@ -261,10 +261,11 @@ public class TreeCanvas extends Panel implements MouseListener,
         g.fillRect(xend - 2, ypos - 2, 4, 4);
       }
 
-      int ystart = (int) (((SequenceNode) node.left()).ycount * chunk)
-              + offy;
-      int yend = (int) (((SequenceNode) node.right()).ycount * chunk)
+      int ystart = (int) (node.left() == null ? 0 : (((SequenceNode) node
+              .left()).ycount * chunk))
               + offy;
+      int yend = (int) (node.right() == null ? 0 : (((SequenceNode) node
+              .right()).ycount * chunk)) + offy;
 
       Rectangle pos = new Rectangle(xend - 2, ypos - 2, 5, 5);
       nodeHash.put(node, pos);
diff --git a/src/jalview/gui/TreeCanvas.java b/src/jalview/gui/TreeCanvas.java
index 3494fb8..e60ac8e 100755
--- a/src/jalview/gui/TreeCanvas.java
+++ b/src/jalview/gui/TreeCanvas.java
@@ -332,9 +332,10 @@ public class TreeCanvas extends JPanel implements MouseListener, Runnable,
         g.fillRect(xend - 2, ypos - 2, 4, 4);
       }
 
-      int ystart = (int) (((SequenceNode) node.left()).ycount * chunk)
-              + offy;
-      int yend = (int) (((SequenceNode) node.right()).ycount * chunk)
+      int ystart = (node.left() == null ? 0 : (int) (((SequenceNode) node
+              .left()).ycount * chunk)) + offy;
+      int yend = (node.right() == null ? 0 : (int) (((SequenceNode) node
+              .right()).ycount * chunk))
               + offy;
 
       Rectangle pos = new Rectangle(xend - 2, ypos - 2, 5, 5);