[JAVA3D] Strange results with getBounds() !!!

[Jörg Baus]

Hi Folks,
I have question concerning the getBounds() methods.
First I create a simple box and let java compute the bounds of this box.

Before visualization is done everything seems o.k. The coordinates of
the bounding
sphere are correct. Take a look:

       Appearance tbapp= new Appearance();
       ColoringAttributes tbc = new ColoringAttributes();
       tbc.setColor(0.5f, 0.5f,0.5f);
       tbapp.setColoringAttributes(tbc);
       testbox = new Box(1.0f,1.0f,1.0f, tbapp);
       testbox.setCapability(Box.ALLOW_BOUNDS_READ);
       testbox.setCapability(Box.ALLOW_LOCAL_TO_VWORLD_READ);
       cgroot.addChild(testbox);
       System.out.println("Testbox Bounds before visualization:");
       System.out.println(testbox.getBounds().toString());

Here's  what I get:

    Testbox Bounds before visualization:
    Center=(0.0, 0.0, 0.0)  Radius=1.7320508075688772

In the application there exists a button to get the bounds after
the visualization of the scene:

    JButton button2 = new JButton("Bounds");
    button2.addActionListener(new ActionListener(){
    public void actionPerformed(ActionEvent e) {
    System.out.println("Event :" + e.paramString());
    System.out.println("Testbox Bounds after visualization:");
    System.out.println(testbox.getBounds().toString());
    Transform3D t = new Transform3D();
    testbox.getLocalToVworld(t);
    System.out.println("Applied Transformationmatrix (from
LocalToVWorld):");
    System.out.println(t.toString());
                  }});

But after visualization the coordinates of the sphere have changed
although
no transformations were applied:

Testbox Bounds after visualization:
Center=(-0.10811912386401538, -0.44295890247114555,
-0.10811912386401538)  Radius=2.1302550034132155

Applied Transformationmatrix (from LocalToVWorld):
1.0, 0.0, 0.0, 0.0
0.0, 1.0, 0.0, 0.0
0.0, 0.0, 1.0, 0.0
0.0, 0.0, 0.0, 1.0

Am I too stupid or is it a bug ?

Joerg

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