Mac Canvas3D location bug

import java.awt.GraphicsEnvironment;
import javax.media.j3d.*;
import javax.swing.*;
import com.sun.j3d.utils.universe.SimpleUniverse;

public class Canvas3DPositionTest {
  public static void main(String [] args) {
    // Create a new canvas 3D
    GraphicsConfigTemplate3D gc = new GraphicsConfigTemplate3D();
    Canvas3D canvas = new Canvas3D(GraphicsEnvironment.getLocalGraphicsEnvironment().
        getDefaultScreenDevice().getBestConfiguration(gc));
    new SimpleUniverse(canvas);

    // Build a GUI where the canvas 3D is located at top right of the frame 
    // and can be resized with split panes dividers
    JFrame frame = new JFrame("Canvas3DPositionTest");
    JSplitPane verticalSplitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, 
        true, new JScrollPane(), canvas);    
    verticalSplitPane.setResizeWeight(0.5);
    JSplitPane horizontalSplitPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, 
        true, new JScrollPane(), verticalSplitPane);
    horizontalSplitPane.setResizeWeight(0.5);
    JRootPane intermediateRootPane = new JRootPane();
    intermediateRootPane.setContentPane(horizontalSplitPane);
    frame.add(intermediateRootPane);
    frame.setSize(400, 400);
    frame.setVisible(true);
  }
}

import java.awt.*;
import java.awt.GraphicsEnvironment;
import java.awt.event.*;
import javax.media.j3d.*;
import com.sun.j3d.utils.universe.SimpleUniverse;

public class Canvas3DVisibilityTest {
  public static void main(String [] args) {
    // Create a new canvas 3D bound to a universe
    GraphicsConfigTemplate3D gc = new GraphicsConfigTemplate3D();
    final Canvas3D canvas = new Canvas3D(GraphicsEnvironment.getLocalGraphicsEnvironment().
        getDefaultScreenDevice().getBestConfiguration(gc));
    new SimpleUniverse(canvas);

    // Create a check box that hides / shows canvas
    final Checkbox checkbox = new Checkbox("Visible canvas", true);
    checkbox.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent ev) {
        canvas.setVisible(checkbox.getState());
        System.out.println(canvas.isVisible());
      }
    });

    // Build a GUI that displays canvas and check box
    Frame frame = new Frame("Canvas3DVisibilityTest");
    frame.setLayout(new BorderLayout());
    frame.add(canvas, BorderLayout.CENTER);
    frame.add(checkbox, BorderLayout.NORTH);
    frame.setSize(200, 200);
    frame.setVisible(true);
  }
}

import java.awt.GraphicsEnvironment;
import javax.media.j3d.*;
import javax.swing.*;
import com.sun.j3d.utils.universe.SimpleUniverse;

public class Canvas3DPositionInDialogTest {
  public static void main(String [] args) {
    // Create a minimal canvas 3D
    GraphicsConfigTemplate3D gc = new GraphicsConfigTemplate3D();
    Canvas3D canvas = new Canvas3D(GraphicsEnvironment.getLocalGraphicsEnvironment().
        getDefaultScreenDevice().getBestConfiguration(gc));
    canvas.setSize(100, 100);
    new SimpleUniverse(canvas);

    // Display the canvas 3D in a dialog child of a frame
    JFrame frame = new JFrame("Canvas3DPositionTest");
    frame.setSize(400, 400);
    frame.setVisible(true);
    JOptionPane.showMessageDialog(frame, canvas);
  }
}

import java.awt.*;
import java.awt.event.*;
import javax.media.j3d.*;
import com.sun.j3d.utils.universe.SimpleUniverse;

public class Canvas3DAncestorVisibilityTest {
  public static void main(String [] args) {
    // Create a new canvas 3D bound to a universe
    GraphicsConfigTemplate3D gc = new GraphicsConfigTemplate3D();
    Canvas3D canvas = new Canvas3D(GraphicsEnvironment.getLocalGraphicsEnvironment().
        getDefaultScreenDevice().getBestConfiguration(gc));
    new SimpleUniverse(canvas);
    // Put it in a panel
    final Panel panel = new Panel(new GridLayout(1, 1));
    panel.add(canvas);

    // Create a check box that hides / shows canvas panel
    final Checkbox checkbox = new Checkbox("Visible canvas", true);
    checkbox.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent ev) {
        panel.setVisible(checkbox.getState());
        System.out.println(panel.isVisible());
      }
    });

    // Build a GUI that displays canvas panel and check box
    Frame frame = new Frame("Canvas3DAncestorVisibilityTest");
    frame.setLayout(new BorderLayout());
    frame.add(panel, BorderLayout.CENTER);
    frame.add(checkbox, BorderLayout.NORTH);
    frame.setSize(200, 200);
    frame.setVisible(true);
  }
}