Example usage for javax.media.j3d Transform3D setScale

List of usage examples for javax.media.j3d Transform3D setScale

Introduction

In this page you can find the example usage for javax.media.j3d Transform3D setScale.

Prototype

public final void setScale(Vector3d scale) 

Source Link

Document

Sets the possibly non-uniform scale component of the current transform; any existing scale is first factored out of the existing transform before the new scale is applied.

Usage

From source file:edu.uci.ics.jung.visualization3d.VisualizationViewer.java

public void setGraphLayout(Layout<V, E> inLayout) {

    //      this.layout = inLayout;
    this.graph = inLayout.getGraph();
    BranchGroup branch = new BranchGroup();
    LayoutEventBroadcaster<V, E> elayout = new LayoutEventBroadcaster<V, E>(inLayout);
    this.layout = elayout;
    for (V v : graph.getVertices()) {
        VertexGroup<V> vg = new VertexGroup<V>(v, renderContext.getVertexShapeTransformer().transform(v));
        vg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        vg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
        vertexMap.put(v, vg);//from   www  .ja va 2s .  c  o  m
        branch.addChild(vg);
        String label = renderContext.getVertexStringer().transform(v);
        if (label != null) {
            String fontName = "Serif";
            Font3D f3d = new Font3D(new Font(fontName, Font.PLAIN, 2), new FontExtrusion());
            Text3D txt = new Text3D(f3d, label, new Point3f(2f, 2f, 0));
            OrientedShape3D textShape = new OrientedShape3D();
            textShape.setGeometry(txt);
            textShape.setAppearance(grayLook);
            //            textShape.setAlignmentAxis( 0.0f, 1.0f, 0.0f);
            textShape.setAlignmentMode(OrientedShape3D.ROTATE_ABOUT_POINT);
            textShape.setRotationPoint(new Point3f());
            //            objScale.addChild( textShape );
            //            BranchGroup bg = new BranchGroup();
            //            bg.addChild(textShape);
            //            branch.addChild(bg);

            //            Text2D text = new Text2D(label+" more text here", new Color3f(0,0,0),"Serif",50,Font.BOLD);
            Transform3D tt = new Transform3D();
            //            tt.setTranslation(new Vector3f(100,100,100));
            tt.setScale(5);
            TransformGroup tg = new TransformGroup(tt);
            //            textShape.setGeometry(text);
            tg.addChild(textShape);
            BranchGroup bg = new BranchGroup();
            bg.addChild(tg);
            //            branch.addChild(bg);
            vg.getLabelNode().addChild(bg);

        }

    }
    System.err.println("vertexMap = " + vertexMap);

    for (E edge : graph.getEdges()) {
        EdgeGroup<E> eg = new EdgeGroup<E>(edge, renderContext.getEdgeShapeTransformer()
                .transform(Context.<Graph<V, E>, E>getInstance(graph, edge)));
        eg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
        eg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
        edgeMap.put(edge, eg);
        branch.addChild(eg);
    }

    //      System.err.println("branch is "+branch);
    //      for(int i=0; i<branch.numChildren(); i++) {
    //         System.err.println("branch child ["+i+"] is "+branch.getChild(i));
    //      }

    objTrans.addChild(branch);
    elayout.addChangeListener(new ChangeListener() {

        public void stateChanged(ChangeEvent e) {
            for (V v : vertexMap.keySet()) {
                Point3f p = VisualizationViewer.this.layout.transform(v);
                Vector3f pv = new Vector3f(p.getX(), p.getY(), p.getZ());
                Transform3D tx = new Transform3D();
                tx.setTranslation(pv);
                vertexMap.get(v).setTransform(tx);
            }

            for (E edge : graph.getEdges()) {
                Pair<V> endpoints = graph.getEndpoints(edge);
                V start = endpoints.getFirst();
                V end = endpoints.getSecond();
                EdgeGroup eg = edgeMap.get(edge);
                eg.setEndpoints(layout.transform(start), layout.transform(end));
            }
        }
    });

    elayout.setSize(new BoundingSphere(new Point3d(), 200));
    elayout.initialize();
    VisRunner runner = new VisRunner((IterativeContext) elayout);
    runner.relax();

    //      for(int i=0; i<objTrans.numChildren(); i++) {
    //         System.err.println("objTrans child ["+i+"] is "+objTrans.getChild(i));
    //      }

}

From source file:TickTockPicking.java

public BranchGroup createSceneGraph(Canvas3D c) {
    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Transformgroup to scale all objects so they
    // appear in the scene.
    TransformGroup objScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(0.4);
    objScale.setTransform(t3d);/*  ww w  . j  a  v  a  2 s . c om*/
    objRoot.addChild(objScale);

    // Create a bounds for the background and behaviors
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // Set up the background
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);
    Background bg = new Background(bgColor);
    bg.setApplicationBounds(bounds);
    objScale.addChild(bg);

    // Set up the global lights
    Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f);
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);

    AmbientLight aLgt = new AmbientLight(alColor);
    aLgt.setInfluencingBounds(bounds);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    objScale.addChild(aLgt);
    objScale.addChild(lgt1);

    // Create a pair of transform group nodes and initialize them to
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behaviors can modify them at runtime. Add them to the
    // root of the subgraph.
    TransformGroup objTrans1 = new TransformGroup();
    objTrans1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objScale.addChild(objTrans1);

    TransformGroup objTrans2 = new TransformGroup();
    objTrans2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans1.addChild(objTrans2);

    // Create the positioning and scaling transform group node.
    Transform3D t = new Transform3D();
    t.set(0.3, new Vector3d(0.0, -1.5, 0.0));
    TransformGroup objTrans3 = new TransformGroup(t);
    objTrans2.addChild(objTrans3);

    // Create a simple shape leaf node, set it's appearance, and
    // add it to the scene graph.
    Shape3D shape = new Cube();
    Appearance a = new Appearance();
    Color3f black = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f white = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f objColor = new Color3f(0.8f, 0.0f, 0.0f);
    a.setMaterial(new Material(objColor, black, objColor, white, 80.0f));
    shape.setAppearance(a);
    shape.setCapability(shape.ALLOW_APPEARANCE_READ);
    shape.setCapability(shape.ALLOW_APPEARANCE_WRITE);
    objTrans3.addChild(shape);

    // Create a new Behavior object that will perform the desired
    // rotation on the specified transform object and add it into
    // the scene graph.
    Transform3D yAxis1 = new Transform3D();
    yAxis1.rotX(Math.PI / 2.0);
    Alpha tickTockAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 5000, 2500,
            200, 5000, 2500, 200);

    RotationInterpolator tickTock = new RotationInterpolator(tickTockAlpha, objTrans1, yAxis1,
            -(float) Math.PI / 2.0f, (float) Math.PI / 2.0f);
    tickTock.setSchedulingBounds(bounds);
    objTrans2.addChild(tickTock);

    // Create a new Behavior object that will perform the desired
    // rotation on the specified transform object and add it into
    // the scene graph.
    Transform3D yAxis2 = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans2, yAxis2, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(bounds);
    objTrans2.addChild(rotator);

    // Now create the simple picking behavior
    PickHighlightBehavior pickBeh = new PickHighlightBehavior(c, objRoot, bounds);

    // Create a bunch of objects with a behavior and add them
    // into the scene graph.

    int row, col;
    Appearance[][] app = new Appearance[3][3];

    for (row = 0; row < 3; row++)
        for (col = 0; col < 3; col++)
            app[row][col] = createAppearance(row * 3 + col);

    for (int i = 0; i < 3; i++) {
        double ypos = (double) (i - 1) * 1.5;
        for (int j = 0; j < 3; j++) {
            double xpos = (double) (j - 1) * 1.5;
            objScale.addChild(createObject(app[i][j], 0.3, xpos, ypos));
        }
    }

    // Have Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

From source file:TexCoordTest.java

public TransformGroup[] getViewTransformGroupArray() {
    TransformGroup[] tgArray = new TransformGroup[1];
    tgArray[0] = new TransformGroup();

    // move the camera BACK a little...
    // note that we have to invert the matrix as
    // we are moving the viewer
    Transform3D t3d = new Transform3D();

    t3d.rotX(0.4);/*w ww .  ja  v a 2  s  . c  om*/
    t3d.setScale(getScale());
    t3d.setTranslation(new Vector3d(0.0, 0, -20.0));
    t3d.invert();
    tgArray[0].setTransform(t3d);

    return tgArray;
}

From source file:PickCollisionTest.java

protected void addCube(BranchGroup bg, double x, double y, double z, double sx, double sy, double sz,
        String name, boolean wireframe) {
    // create four ColorCube objects
    TransformGroup cubeTg = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setTranslation(new Vector3d(x, y, z));
    t3d.setScale(new Vector3d(sx, sy, sz));
    cubeTg.setTransform(t3d);//  w ww  . j a  va2  s.co  m
    ColorCube cube = new ColorCube(1.0);

    // we have to make the front face wireframe
    // or we can't see inside the box!
    if (wireframe) {
        Appearance app = new Appearance();
        app.setPolygonAttributes(
                new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_NONE, 0));
        cube.setAppearance(app);
    }

    cubeTg.addChild(cube);
    recursiveSetUserData(cubeTg, name);

    bg.addChild(cubeTg);
}

From source file:HiResCoordTest.java

protected BranchGroup createSceneBranchGroupEarth() {
    BranchGroup objRoot = super.createSceneBranchGroup();

    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    Transform3D yAxis = new Transform3D();
    yAxis.rotZ(0.2);/*from  ww w .  j  a  v  a2s .  c o  m*/
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), m_TranslateSunZ);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);

    Transform3D t3d = new Transform3D();
    t3d.setScale(m_EarthRadius);

    objTrans.addChild(createPlanet("Earth", new Color3f(0, 0.1f, 1), t3d, "earth.jpg"));
    objRoot.addChild(objTrans);

    return objRoot;
}

From source file:NodesTest.java

TransformGroup createLabel(String szText, double scale) {
    Color3f colorText = new Color3f();
    int nFontSizeText = 10;

    Text2D label3D = new Text2D(szText, colorText, "SansSerif", nFontSizeText, Font.PLAIN);

    TransformGroup tg = new TransformGroup();
    Transform3D t3d = new Transform3D();

    t3d.setTranslation(new Vector3d(-8, 0.5 * (1 - m_nLabelNumber), 0));

    t3d.setScale(scale);

    tg.setTransform(t3d);//ww w .ja  v a2  s  .c o  m
    tg.addChild(label3D);

    m_nLabelNumber++;

    return tg;
}

From source file:HiResCoordTest.java

protected BranchGroup createSceneBranchGroup() {
    BranchGroup objRoot = super.createSceneBranchGroup();

    Transform3D t3dTilt = new Transform3D();
    t3dTilt.rotX(0.3);// w w w  .  ja  v a 2s.com

    TransformGroup objTrans = new TransformGroup(t3dTilt);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    TransformGroup objTransPlanets = new TransformGroup();
    objTransPlanets.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTransPlanets, yAxis, 0.0f,
            (float) Math.PI * 2.0f);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), m_TranslateSunZ);
    rotator.setSchedulingBounds(bounds);
    objTransPlanets.addChild(rotator);

    // create the sun
    TransformGroup sunTg = createSun();

    // create Earth
    Transform3D t3dEarth = new Transform3D();
    t3dEarth.setScale(m_EarthRadius);
    t3dEarth.setTranslation(new Vector3d(m_EarthOrbit, 0, 0));
    objTransPlanets.addChild(createPlanet("Earth", new Color3f(0, 0.1f, 1.0f), t3dEarth, null));

    // create Mars
    Transform3D t3dMars = new Transform3D();
    t3dMars.setTranslation(
            new Vector3d(Math.sin(Math.PI * 1.5) * m_MarsOrbit, 0, Math.cos(Math.PI * 0.5) * m_MarsOrbit));
    t3dMars.setScale(m_MarsRadius);
    objTransPlanets.addChild(createPlanet("Mars", new Color3f(1, 0, 0), t3dMars, null));

    // create Mercury
    Transform3D t3dMercury = new Transform3D();
    t3dMercury.setTranslation(
            new Vector3d(Math.sin(Math.PI) * m_MercuryOrbit, 0, Math.cos(Math.PI) * m_MercuryOrbit));
    t3dMercury.setScale(m_MercuryRadius);
    objTransPlanets.addChild(createPlanet("Mercury", new Color3f(0.5f, 0.5f, 0.5f), t3dMercury, null));

    sunTg.addChild(objTransPlanets);
    objTrans.addChild(sunTg);
    objRoot.addChild(objTrans);

    return objRoot;
}

From source file:InterleavedTest.java

BranchGroup createSceneGraph() {
    BranchGroup objRoot = new BranchGroup();

    // Set up attributes to render lines
    app = new Appearance();
    app.setCapability(Appearance.ALLOW_TEXTURE_UNIT_STATE_WRITE);

    transp = new TransparencyAttributes();
    transp.setTransparency(0.5f);//  w ww.  ja  v  a  2  s . co m
    transp.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE);
    transp.setTransparencyMode(TransparencyAttributes.NONE);
    app.setTransparencyAttributes(transp);

    // load textures
    TextureAttributes texAttr1 = new TextureAttributes();
    texAttr1.setTextureMode(TextureAttributes.DECAL);
    TextureAttributes texAttr2 = new TextureAttributes();
    texAttr2.setTextureMode(TextureAttributes.MODULATE);

    TextureLoader tex = new TextureLoader(texImage1, new String("RGB"), this);
    if (tex == null)
        return null;
    tex1 = tex.getTexture();

    tex = new TextureLoader(texImage2, new String("RGB"), this);
    if (tex == null)
        return null;
    tex2 = tex.getTexture();

    textureUnitState[0] = new TextureUnitState(tex1, texAttr1, null);
    textureUnitState[1] = new TextureUnitState(tex2, texAttr2, null);

    tetraRegular = createGeometry(1);
    tetraStrip = createGeometry(2);
    tetraIndexed = createGeometry(3);
    tetraIndexedStrip = createGeometry(4);

    geoArrays[0] = tetraRegular;
    geoArrays[1] = tetraStrip;
    geoArrays[2] = tetraIndexed;
    geoArrays[3] = tetraIndexedStrip;

    shape = new Shape3D(tetraRegular, app);
    shape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);

    Transform3D t = new Transform3D();
    // move the object upwards
    t.set(new Vector3f(0.0f, 0.3f, 0.0f));

    // rotate the shape
    Transform3D temp = new Transform3D();
    temp.rotX(Math.PI / 4.0d);
    t.mul(temp);
    temp.rotY(Math.PI / 4.0d);
    t.mul(temp);

    // Shrink the object
    t.setScale(0.6);

    TransformGroup trans = new TransformGroup(t);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    objRoot.addChild(trans);
    trans.addChild(shape);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // Set up the global lights
    Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f);
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);

    AmbientLight aLgt = new AmbientLight(alColor);
    aLgt.setInfluencingBounds(bounds);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // Let Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

From source file:InterleavedNIOBuffer.java

BranchGroup createSceneGraph() {
    BranchGroup objRoot = new BranchGroup();

    // Set up attributes to render lines
    app = new Appearance();
    app.setCapability(Appearance.ALLOW_TEXTURE_UNIT_STATE_WRITE);

    transp = new TransparencyAttributes();
    transp.setTransparency(0.5f);//from   ww  w .  j  a  v  a  2 s  . c  om
    transp.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE);
    transp.setTransparencyMode(TransparencyAttributes.NONE);
    app.setTransparencyAttributes(transp);

    // load textures
    TextureAttributes texAttr1 = new TextureAttributes();
    texAttr1.setTextureMode(TextureAttributes.DECAL);
    TextureAttributes texAttr2 = new TextureAttributes();
    texAttr2.setTextureMode(TextureAttributes.MODULATE);

    TextureLoader tex = new TextureLoader(texImage1, new String("RGB"), this);
    if (tex == null)
        return null;
    tex1 = tex.getTexture();

    tex = new TextureLoader(texImage2, new String("RGB"), this);
    if (tex == null)
        return null;
    tex2 = tex.getTexture();

    textureUnitState[0] = new TextureUnitState(tex1, texAttr1, null);
    textureUnitState[1] = new TextureUnitState(tex2, texAttr2, null);

    createInterleavedBuffers();

    tetraRegular = createGeometry(1);
    tetraStrip = createGeometry(2);
    tetraIndexed = createGeometry(3);
    tetraIndexedStrip = createGeometry(4);

    geoArrays[0] = tetraRegular;
    geoArrays[1] = tetraStrip;
    geoArrays[2] = tetraIndexed;
    geoArrays[3] = tetraIndexedStrip;

    shape = new Shape3D(tetraRegular, app);
    shape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);

    Transform3D t = new Transform3D();
    // move the object upwards
    t.set(new Vector3f(0.0f, 0.3f, 0.0f));

    // rotate the shape
    Transform3D temp = new Transform3D();
    temp.rotX(Math.PI / 4.0d);
    t.mul(temp);
    temp.rotY(Math.PI / 4.0d);
    t.mul(temp);

    // Shrink the object
    t.setScale(0.6);

    TransformGroup trans = new TransformGroup(t);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    objRoot.addChild(trans);
    trans.addChild(shape);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // Set up the global lights
    Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f);
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);

    AmbientLight aLgt = new AmbientLight(alColor);
    aLgt.setInfluencingBounds(bounds);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // Let Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}

From source file:GeometryByReferenceNIOBuffer.java

BranchGroup createSceneGraph() {
    BranchGroup objRoot = new BranchGroup();

    // Set up attributes to render lines
    app = new Appearance();

    transp = new TransparencyAttributes();
    transp.setTransparency(0.5f);/*from ww  w.  j  av a2  s .co m*/
    transp.setCapability(TransparencyAttributes.ALLOW_MODE_WRITE);
    transp.setTransparencyMode(TransparencyAttributes.NONE);
    app.setTransparencyAttributes(transp);

    //create the direct nio buffer
    createJ3DBuffers();

    tetraRegular = createGeometry(1);
    tetraStrip = createGeometry(2);
    tetraIndexed = createGeometry(3);
    tetraIndexedStrip = createGeometry(4);

    geoArrays[0] = tetraRegular;
    geoArrays[1] = tetraStrip;
    geoArrays[2] = tetraIndexed;
    geoArrays[3] = tetraIndexedStrip;

    shape = new Shape3D(tetraRegular, app);
    shape.setCapability(Shape3D.ALLOW_GEOMETRY_WRITE);
    shape.setCapability(Shape3D.ALLOW_GEOMETRY_READ);

    Transform3D t = new Transform3D();
    // move the object upwards
    t.set(new Vector3f(0.0f, 0.3f, 0.0f));

    // rotate the shape
    Transform3D temp = new Transform3D();
    temp.rotX(Math.PI / 4.0d);
    t.mul(temp);
    temp.rotY(Math.PI / 4.0d);
    t.mul(temp);

    // Shrink the object
    t.setScale(0.6);

    TransformGroup trans = new TransformGroup(t);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);

    objRoot.addChild(trans);
    trans.addChild(shape);

    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);

    // Set up the global lights
    Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
    Vector3f lDir1 = new Vector3f(-1.0f, -1.0f, -1.0f);
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);

    AmbientLight aLgt = new AmbientLight(alColor);
    aLgt.setInfluencingBounds(bounds);
    DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1);
    lgt1.setInfluencingBounds(bounds);
    objRoot.addChild(aLgt);
    objRoot.addChild(lgt1);

    // Let Java 3D perform optimizations on this scene graph.
    objRoot.compile();

    return objRoot;
}