Example usage for javax.media.j3d Transform3D Transform3D

Introduction

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

Prototype

public Transform3D() 

Source Link

Document

Constructs and initializes a transform to the identity matrix.

Usage

From source file:CompileTest.java

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

    // do NOT auto compute bounds for this node
    objRoot.setBoundsAutoCompute(false);

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

    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, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);

    rotator.setSchedulingBounds(createApplicationBounds());
    objTrans.addChild(rotator);/*from   ww w. j av a 2 s. c o m*/

    objTrans.addChild(createColorCubes());

    objRoot.addChild(objTrans);

    return objRoot;
}

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From source file:PointTest.java

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

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

    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 14000, 0, 0, 0, 0, 0);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(getApplicationBounds());
    objTrans.addChild(rotator);/*from   www. j a  v a 2s . c  o  m*/

    Switch switchGroup = new Switch();
    switchGroup.setCapability(Switch.ALLOW_SWITCH_WRITE);

    switchGroup.addChild(createPoints(1, 5, false));
    switchGroup.addChild(createPoints(1, 5, true));
    switchGroup.addChild(createPoints(8, 10, false));
    switchGroup.addChild(createPoints(8, 10, true));

    switchGroup.addChild(createPoints(2, 5, false));
    switchGroup.addChild(createPoints(2, 5, true));
    switchGroup.addChild(createPoints(2, 20, false));
    switchGroup.addChild(createPoints(2, 20, true));

    // create a SwitchValueInterpolator to
    // cycle through the child nodes in the Switch Node
    Alpha switchAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 15000, 0, 0, 0, 0, 0);

    SwitchValueInterpolator switchInterpolator = new SwitchValueInterpolator(switchAlpha, switchGroup);
    switchInterpolator.setSchedulingBounds(getApplicationBounds());
    switchInterpolator.setEnable(true);

    // WARNING: do not add the SwitchValueInterpolator to the Switch Node!
    objRoot.addChild(switchInterpolator);

    objTrans.addChild(switchGroup);
    objRoot.addChild(objTrans);

    return objRoot;
}

---

From source file:Text3DLoad.java

public BranchGroup createSceneGraph() {
    float sl = textString.length();
    // 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();
    // Assuming uniform size chars, set scale to fit string in view
    t3d.setScale(1.2 / sl);/*w  w  w.j a v  a  2 s.  co  m*/
    objScale.setTransform(t3d);
    objRoot.addChild(objScale);

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objScale.addChild(objTrans);

    Font3D f3d;
    if (tessellation > 0.0) {
        f3d = new Font3D(new Font(fontName, Font.PLAIN, 2), tessellation, new FontExtrusion());
    } else {
        f3d = new Font3D(new Font(fontName, Font.PLAIN, 2), new FontExtrusion());
    }
    Text3D txt = new Text3D(f3d, textString, new Point3f(-sl / 2.0f, -1.f, -1.f));
    Shape3D sh = new Shape3D();
    Appearance app = new Appearance();
    Material mm = new Material();
    mm.setLightingEnable(true);
    app.setMaterial(mm);
    sh.setGeometry(txt);
    sh.setAppearance(app);
    objTrans.addChild(sh);

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

    if (false) {
        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, objTrans, yAxis, 0.0f,
                (float) Math.PI * 2.0f);
        rotator.setSchedulingBounds(bounds);
        objTrans.addChild(rotator);
    }

    // Set up the background
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f);
    Background bgNode = new Background(bgColor);
    bgNode.setApplicationBounds(bounds);
    objRoot.addChild(bgNode);

    // Set up the ambient light
    Color3f ambientColor = new Color3f(0.3f, 0.3f, 0.3f);
    AmbientLight ambientLightNode = new AmbientLight(ambientColor);
    ambientLightNode.setInfluencingBounds(bounds);
    objRoot.addChild(ambientLightNode);

    // Set up the directional lights
    Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light1Direction = new Vector3f(1.0f, 1.0f, 1.0f);
    Color3f light2Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light2Direction = new Vector3f(-1.0f, -1.0f, -1.0f);

    DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
    light1.setInfluencingBounds(bounds);
    objRoot.addChild(light1);

    DirectionalLight light2 = new DirectionalLight(light2Color, light2Direction);
    light2.setInfluencingBounds(bounds);
    objRoot.addChild(light2);

    return objRoot;
}

---

From source file:OrientedPtTest.java

public BranchGroup createSceneGraph() {

    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    TransformGroup objScale = new TransformGroup();
    Transform3D textMat = new Transform3D();
    // Assuming uniform size chars, set scale to fit string in view
    textMat.setScale(1.2 / sl);/*from  w ww .  j  av a 2  s  .  c om*/
    objScale.setTransform(textMat);

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    objRoot.addChild(objTrans);

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

    Appearance apText = new Appearance();
    Material m = new Material();
    m.setLightingEnable(true);
    apText.setMaterial(m);

    Appearance apEarth = new Appearance();
    Material mm = new Material();
    mm.setLightingEnable(true);
    apEarth.setMaterial(mm);

    Appearance apStone = new Appearance();
    apStone.setMaterial(mm);

    // create 3D text
    Font3D f3d = new Font3D(new Font(fontName, Font.PLAIN, 2), new FontExtrusion());
    Point3f textPt = new Point3f(-sl / 2.0f, 3.0f, 0.0f);
    Text3D txt = new Text3D(f3d, textString, textPt);
    OrientedShape3D textShape = new OrientedShape3D();
    textShape.setGeometry(txt);
    textShape.setAppearance(apText);

    textShape.setAlignmentMode(OrientedShape3D.ROTATE_ABOUT_POINT);
    // text is centered around 0, 3, 0. Make it rotate around 0,5,0
    Point3f rotationPt = new Point3f(0.0f, 5.0f, 0.0f);
    textShape.setRotationPoint(rotationPt);
    objScale.addChild(textShape);

    // also add a small Sphere at the rotation point to
    // show that we are rotating around the right point
    Sphere sphere = new Sphere(0.2f);
    TransformGroup sphereGroup = new TransformGroup();
    Transform3D sphereXform = new Transform3D();
    sphereXform.set(new Vector3f(rotationPt));
    sphereGroup.setTransform(sphereXform);
    sphereGroup.addChild(sphere);
    objScale.addChild(sphereGroup);

    // Create a simple shape leaf node, add it to the scene graph.

    Transform3D cubeMat = new Transform3D();
    TransformGroup cubeTrans = new TransformGroup(cubeMat);
    cubeMat.set(new Vector3d(0.9, 0.0, -1.0));
    cubeTrans.setTransform(cubeMat);
    cubeTrans.addChild(new ColorCube(0.3));
    objTrans.addChild(cubeTrans);

    TextureLoader stoneTex = new TextureLoader(stoneImage, new String("RGB"), this);
    if (stoneTex != null)
        apStone.setTexture(stoneTex.getTexture());

    TextureAttributes texAttr = new TextureAttributes();
    texAttr.setTextureMode(TextureAttributes.REPLACE);
    apStone.setTextureAttributes(texAttr);

    Transform3D coneMat = new Transform3D();
    TransformGroup coneTrans = new TransformGroup(coneMat);
    coneMat.set(new Vector3d(0.0, 0.0, 0.0));
    coneTrans.setTransform(coneMat);
    coneTrans.addChild(new Cone(.2f, 0.8f, Cone.GENERATE_NORMALS | Cone.GENERATE_TEXTURE_COORDS, apStone));
    objTrans.addChild(coneTrans);

    TextureLoader earthTex = new TextureLoader(earthImage, new String("RGB"), this);
    if (earthTex != null)
        apEarth.setTexture(earthTex.getTexture());
    apEarth.setTextureAttributes(texAttr);

    Transform3D cylinderMat = new Transform3D();
    TransformGroup cylinderTrans = new TransformGroup(cylinderMat);
    cylinderMat.set(new Vector3d(-0.9, 0.5, -1.0));
    cylinderTrans.setTransform(cylinderMat);
    cylinderTrans.addChild(
            new Cylinder(.35f, 2.0f, Cylinder.GENERATE_NORMALS | Cylinder.GENERATE_TEXTURE_COORDS, apEarth));
    objTrans.addChild(cylinderTrans);

    objTrans.addChild(objScale);

    // Set up the background
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.5f);
    Background bgNode = new Background(bgColor);
    bgNode.setApplicationBounds(bounds);
    objRoot.addChild(bgNode);

    // Set up the ambient light
    Color3f ambientColor = new Color3f(0.1f, 0.1f, 0.1f);
    AmbientLight ambientLightNode = new AmbientLight(ambientColor);
    ambientLightNode.setInfluencingBounds(bounds);
    objRoot.addChild(ambientLightNode);

    // Set up the directional lights
    Color3f light1Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light1Direction = new Vector3f(1.0f, 1.0f, 1.0f);
    Color3f light2Color = new Color3f(1.0f, 1.0f, 0.9f);
    Vector3f light2Direction = new Vector3f(-1.0f, -1.0f, -1.0f);

    DirectionalLight light1 = new DirectionalLight(light1Color, light1Direction);
    light1.setInfluencingBounds(bounds);
    objRoot.addChild(light1);

    DirectionalLight light2 = new DirectionalLight(light2Color, light2Direction);
    light2.setInfluencingBounds(bounds);
    objRoot.addChild(light2);

    apText.setMaterial(mm);

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

    return objRoot;
}

---

From source file:SimpleSphere.java

protected BranchGroup buildContentBranch() {
    BranchGroup contentBranch = new BranchGroup();
    Transform3D rotateCube = new Transform3D();
    rotateCube.set(new AxisAngle4d(1.0, 1.0, 0.0, Math.PI / 4.0));
    //                rotateCube.set(new AxisAngle4d(1.0,0.0,0.0,Math.PI/2.0));
    TransformGroup rotationGroup = new TransformGroup(rotateCube);
    contentBranch.addChild(rotationGroup);
    Appearance app = new Appearance();
    Color3f ambientColour = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f diffuseColour = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f);
    float shininess = 20.0f;
    app.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess));
    rotationGroup.addChild(new Sphere(2.0f, Sphere.GENERATE_NORMALS, 120, app));
    addLights(contentBranch);//from  w  w  w  .j av a2  s  .  c om
    return contentBranch;
}

---

From source file:TextureTransformTest.java

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

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

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

    // create the rotation interpolator to rotate the scene
    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    rotator.setSchedulingBounds(createApplicationBounds());
    objTrans.addChild(rotator);//from  ww w . j av a 2 s.co  m

    // create the box
    final int nScale = 50;
    Appearance app = new Appearance();
    Box box = new Box(nScale, nScale, nScale, Primitive.GENERATE_NORMALS | Primitive.GENERATE_TEXTURE_COORDS,
            app);

    // load the texture image
    TextureLoader texLoader = new TextureLoader("texture.gif", this);
    app.setTexture(texLoader.getTexture());

    // set the texture attributes and ensure we
    // can write to the Transform for the texture attributes
    m_TextureAttributes = new TextureAttributes();
    m_TextureAttributes.setCapability(TextureAttributes.ALLOW_TRANSFORM_WRITE);
    app.setTextureAttributes(m_TextureAttributes);

    // connect all the elements
    objTrans.addChild(box);
    objRoot.addChild(objTrans);
    objRoot.addChild(createRotator());

    return objRoot;
}

---

From source file:TextureImage.java

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

    // Create the transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    objRoot.addChild(objTrans);/*from   w  w  w  .  j a va 2 s .co m*/

    // Create appearance object for textured cube
    Appearance app = new Appearance();
    Texture tex = new TextureLoader(texImage, this).getTexture();
    app.setTexture(tex);
    TextureAttributes texAttr = new TextureAttributes();
    texAttr.setTextureMode(TextureAttributes.MODULATE);
    app.setTextureAttributes(texAttr);

    // Create textured cube and add it to the scene graph.
    Box textureCube = new Box(0.4f, 0.4f, 0.4f, Box.GENERATE_TEXTURE_COORDS, app);
    objTrans.addChild(textureCube);

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    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, objTrans, yAxis, 0.0f,
            (float) Math.PI * 2.0f);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);

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

    return objRoot;
}

---

From source file:ReadRaster.java

public BranchGroup createSceneGraph(BufferedImage bImage, Raster readRaster) {

    // Create the root of the branch graph
    BranchGroup objRoot = new BranchGroup();

    // Create a Raster shape. Add it to the root of the subgraph

    ImageComponent2D drawImageComponent = new ImageComponent2D(ImageComponent.FORMAT_RGB, bImage);

    Raster drawRaster = new Raster(new Point3f(0.0f, 0.0f, 0.0f), Raster.RASTER_COLOR, 0, 0, bImage.getWidth(),
            bImage.getHeight(), drawImageComponent, null);
    Shape3D shape = new Shape3D(drawRaster);
    drawRaster.setCapability(Raster.ALLOW_IMAGE_WRITE);
    objRoot.addChild(shape);/*from  w  w w .  ja  v  a 2s.c  o  m*/

    // Ceate the transform greup node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add it to the
    // root of the subgraph.
    TransformGroup objTrans = new TransformGroup();
    objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);

    TransformGroup cubeScale = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setTranslation(new Vector3d(-0.5, 0.5, 0.0));
    cubeScale.setTransform(t3d);

    cubeScale.addChild(objTrans);
    objRoot.addChild(cubeScale);

    // Create a simple shape leaf node, add it to the scene graph.
    objTrans.addChild(new ColorCube(0.3));

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0);
    myRotationInterpolator rotator = new myRotationInterpolator(drawRaster, readRaster, rotationAlpha, objTrans,
            yAxis, 0.0f, (float) Math.PI * 2.0f);
    BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0);
    rotator.setSchedulingBounds(bounds);
    objTrans.addChild(rotator);

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

    return objRoot;
}

---

From source file:SimpleDirLight.java

/**
 * This build the content branch of our scene graph. It creates a transform
 * group so that the shape is slightly tilted to reveal its 3D shape.
 * /*  ww  w.j ava 2  s  .co m*/
 * @param shape
 *            Node that represents the geometry for the content
 * @return BranchGroup that is the root of the content branch
 */
protected BranchGroup buildContentBranch() {
    BranchGroup contentBranch = new BranchGroup();
    Transform3D rotateCube = new Transform3D();
    rotateCube.set(new AxisAngle4d(1.0, 1.0, 0.0, Math.PI / 4.0));
    TransformGroup rotationGroup = new TransformGroup(rotateCube);
    contentBranch.addChild(rotationGroup);
    //Create a new appearance
    Appearance app = new Appearance();
    //Create the colours for the material
    Color3f ambientColour = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f diffuseColour = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f specularColour = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f emissiveColour = new Color3f(0.0f, 0.0f, 0.0f);
    //Define the shininess
    float shininess = 20.0f;
    //Set the material of the appearance
    app.setMaterial(new Material(ambientColour, emissiveColour, diffuseColour, specularColour, shininess));
    //Create and add a new sphere using the appearance
    rotationGroup.addChild(new Sphere(2.0f, Sphere.GENERATE_NORMALS, 120, app));
    //Use the addLights function to add the lights to the branch
    addLights(contentBranch);
    //Return the root of the content branch
    return contentBranch;
}

---

From source file:PickText3DGeometry.java

public BranchGroup createSceneGraph(Canvas3D canvas) {
    Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f);
    Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f);
    Color3f objColor = new Color3f(0.6f, 0.6f, 0.6f);
    Color3f lColor1 = new Color3f(1.0f, 0.0f, 0.0f);
    Color3f lColor2 = new Color3f(0.0f, 1.0f, 0.0f);
    Color3f alColor = new Color3f(0.2f, 0.2f, 0.2f);
    Color3f bgColor = new Color3f(0.05f, 0.05f, 0.2f);

    Transform3D t;/*from w  ww.  ja v a 2  s.com*/

    // 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);
    objRoot.addChild(objScale);

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

    // Set up the background
    Background bg = new Background(bgColor);
    bg.setApplicationBounds(bounds);
    objScale.addChild(bg);

    Material m = new Material(objColor, eColor, objColor, sColor, 100.0f);
    Appearance a = new Appearance();
    m.setLightingEnable(true);
    a.setMaterial(m);
    Font3D f3d = new Font3D(new Font("TestFont", Font.PLAIN, 1), new FontExtrusion());

    Text3D text3D = new Text3D(f3d, new String("TEXT3D"), new Point3f(-2.0f, 0.7f, 0.0f));
    text3D.setCapability(Geometry.ALLOW_INTERSECT);
    Shape3D s3D1 = new Shape3D();
    s3D1.setGeometry(text3D);
    s3D1.setAppearance(a);

    // Create a transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime.
    TransformGroup spinTg1 = new TransformGroup();
    spinTg1.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    spinTg1.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    spinTg1.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    spinTg1.addChild(s3D1);
    objScale.addChild(spinTg1);

    Text3D pick = new Text3D(f3d, new String("Pick me"), new Point3f(-2.0f, -0.7f, 0.0f));
    pick.setCapability(Geometry.ALLOW_INTERSECT);
    Shape3D s3D2 = new Shape3D();
    s3D2.setGeometry(pick);
    s3D2.setAppearance(a);

    // Create a transform group node and initialize it to the
    // identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime.
    TransformGroup spinTg2 = new TransformGroup();
    spinTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    spinTg2.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    spinTg2.setCapability(TransformGroup.ENABLE_PICK_REPORTING);

    spinTg2.addChild(s3D2);
    objScale.addChild(spinTg2);

    // Create the transform group node for the each light and initialize
    // it to the identity. Enable the TRANSFORM_WRITE capability so that
    // our behavior code can modify it at runtime. Add them to the root
    // of the subgraph.

    // Create transformations for the positional lights
    t = new Transform3D();
    Vector3d lPos1 = new Vector3d(0.0, 0.0, 2.0);
    t.set(lPos1);
    TransformGroup l1Trans = new TransformGroup(t);
    l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    l1Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    l1Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
    objScale.addChild(l1Trans);

    t = new Transform3D();
    Vector3d lPos2 = new Vector3d(0.5, 1.2, 2.0);
    t.set(lPos2);
    TransformGroup l2Trans = new TransformGroup(t);
    l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    l2Trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
    l2Trans.setCapability(TransformGroup.ENABLE_PICK_REPORTING);
    objScale.addChild(l2Trans);

    // Create Geometry for point lights
    ColoringAttributes caL1 = new ColoringAttributes();
    ColoringAttributes caL2 = new ColoringAttributes();
    caL1.setColor(lColor1);
    caL2.setColor(lColor2);
    Appearance appL1 = new Appearance();
    Appearance appL2 = new Appearance();
    appL1.setColoringAttributes(caL1);
    appL2.setColoringAttributes(caL2);
    l1Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS | Sphere.ENABLE_GEOMETRY_PICKING, 15, appL1));
    l2Trans.addChild(new Sphere(0.05f, Sphere.GENERATE_NORMALS | Sphere.ENABLE_GEOMETRY_PICKING, 15, appL2));

    // Create lights
    AmbientLight aLgt = new AmbientLight(alColor);

    Light lgt1;
    Light lgt2;

    Point3f lPoint = new Point3f(0.0f, 0.0f, 0.0f);
    Point3f atten = new Point3f(1.0f, 0.0f, 0.0f);
    lgt1 = new PointLight(lColor1, lPoint, atten);
    lgt2 = new PointLight(lColor2, lPoint, atten);

    // Set the influencing bounds
    aLgt.setInfluencingBounds(bounds);
    lgt1.setInfluencingBounds(bounds);
    lgt2.setInfluencingBounds(bounds);

    // Add the lights into the scene graph
    objScale.addChild(aLgt);
    l1Trans.addChild(lgt1);
    l2Trans.addChild(lgt2);

    PickRotateBehavior behavior1 = new PickRotateBehavior(objRoot, canvas, bounds);
    behavior1.setMode(PickTool.GEOMETRY);
    behavior1.setTolerance(0.0f);
    objRoot.addChild(behavior1);

    PickZoomBehavior behavior2 = new PickZoomBehavior(objRoot, canvas, bounds);
    behavior2.setMode(PickTool.GEOMETRY);
    behavior2.setTolerance(0.0f);
    objRoot.addChild(behavior2);

    PickTranslateBehavior behavior3 = new PickTranslateBehavior(objRoot, canvas, bounds);
    behavior3.setMode(PickTool.GEOMETRY);
    behavior3.setTolerance(0.0f);
    objRoot.addChild(behavior3);

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

    return objRoot;
}

---

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