[JAVA3D] Compatibility mode disappears objects.

[Sameer Pokarna]

Hi all,

I want to get the projection matrix of my view. However, for this,
I need to set the compatibility mode to true.

Now, if I set the compatibility mode to true, the objects in the view
disappear. What might be the reason. The view is fine till I set the
mode to true. Are the default view parameters different for when the
compatibility mode is set?

        GraphicsConfiguration config =
            SimpleUniverse.getPreferredConfiguration();

        canvas3D = new Canvas3D(config);
        add("Center", canvas3D);

        BranchGroup scene = createSceneGraph();

        // SimpleUniverse is a Convenience Utility class
        simpleU = new SimpleUniverse(canvas3D);

        // To enable this flag for getting the projection transform.
        // getView().setCompatibilityModeEnable (true);   // *************

        // This will move the ViewPlatform back a bit so the
        // objects in the scene can be viewed.
        simpleU.getViewingPlatform().setNominalViewingTransform();

        simpleU.addBranchGraph(scene);

If the starred statement is uncommented, the objects in the view disappear.

Thanks in advance.

Regards,
Sameer

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