Example usage for javax.media.j3d PolygonAttributes POLYGON_LINE

List of usage examples for javax.media.j3d PolygonAttributes POLYGON_LINE

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Introduction

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

Prototype

int POLYGON_LINE

To view the source code for javax.media.j3d PolygonAttributes POLYGON_LINE.

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Document

Render polygonal primitives as lines drawn between consecutive vertices of the polygon.

Usage

From source file:SimpleWire.java

/**
 * This constructs a cube using the Box utility class. The attributes are
 * set so that the lines are drawn and not the faces.
 * //w  ww .  j  av  a 2s.  c o m
 * @return Node that is the cube
 */
protected Node buildShape() {
    Appearance app = new Appearance();
    //Create the polygon attributes
    PolygonAttributes polyAttr = new PolygonAttributes();
    //Set them so that the draw mode is polygon line
    polyAttr.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    //Use these in the appearance
    app.setPolygonAttributes(polyAttr);
    return new Box(1.0f, 1.0f, 1.0f, app);
}

From source file:TriangulatorTest.java

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

    TransformGroup objTrans = new TransformGroup();
    objTrans.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, 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);//from w w w .j  a  v a  2s.co  m

    // triangulate the polygon
    GeometryInfo gi = new GeometryInfo(GeometryInfo.POLYGON_ARRAY);

    gi.setCoordinates(m_VertexArray);

    int[] stripCountArray = { 10, 5 };
    int[] countourCountArray = { stripCountArray.length };

    gi.setContourCounts(countourCountArray);
    gi.setStripCounts(stripCountArray);

    Triangulator triangulator = new Triangulator();
    triangulator.triangulate(gi);

    NormalGenerator normalGenerator = new NormalGenerator();
    normalGenerator.generateNormals(gi);

    // create an appearance
    Appearance ap = new Appearance();

    // render as a wireframe
    PolygonAttributes polyAttrbutes = new PolygonAttributes();
    polyAttrbutes.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    polyAttrbutes.setCullFace(PolygonAttributes.CULL_NONE);
    ap.setPolygonAttributes(polyAttrbutes);

    // add both a wireframe and a solid version
    // of the triangulated surface
    Shape3D shape1 = new Shape3D(gi.getGeometryArray(), ap);
    Shape3D shape2 = new Shape3D(gi.getGeometryArray());

    objTrans.addChild(shape1);
    objTrans.addChild(shape2);
    objRoot.addChild(objTrans);

    return objRoot;
}

From source file:CuboidTest.java

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

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

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

    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);/*from  w  ww.j a va  2s . c o m*/

    // create an appearance
    Appearance ap = new Appearance();

    // render as a wireframe
    PolygonAttributes polyAttrbutes = new PolygonAttributes();
    polyAttrbutes.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    polyAttrbutes.setCullFace(PolygonAttributes.CULL_NONE);
    ap.setPolygonAttributes(polyAttrbutes);

    objTrans.addChild(new Cuboid(50, 30, 20, ap));
    objTrans.addChild(new Box(25, 15, 10, ap));

    objRoot.addChild(objTrans);

    return objRoot;
}

From source file:Text3DTest.java

TransformGroup createText3D(TornadoRotation rotator, String szText, int nSize, float scale, float trans,
        int nPath) {
    TransformGroup tg = new TransformGroup();
    Transform3D t3d = new Transform3D();
    t3d.setScale(scale);/*from  w w  w.  ja  va  2  s.c o m*/
    t3d.setTranslation(new Vector3d(0.0, trans, -10.0));
    tg.setTransform(t3d);

    // use a customized FontExtrusion object to control the depth of the
    // text
    double X1 = 0;
    double Y1 = 0;
    double X2 = 3;
    double Y2 = 0;
    Shape extrusionShape = new java.awt.geom.Line2D.Double(X1, Y1, X2, Y2);

    FontExtrusion fontEx = new FontExtrusion(extrusionShape);

    Font3D f3d = new Font3D(new Font("TimesRoman", Font.PLAIN, nSize), fontEx);

    TornadoText3D text3D = new TornadoText3D(f3d, szText, new Point3f(0.0f, 0.0f, 0.0f), Text3D.ALIGN_CENTER,
            nPath);

    rotator.addTornadoText3D(text3D);

    // create an appearance
    Color3f black = new Color3f(0.1f, 0.1f, 0.1f);
    Color3f objColor = new Color3f(0.2f, 0.2f, 0.2f);

    Appearance app = new Appearance();
    app.setMaterial(new Material(objColor, black, objColor, black, 90.0f));

    // render as a wireframe
    PolygonAttributes polyAttrbutes = new PolygonAttributes();
    polyAttrbutes.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    polyAttrbutes.setCullFace(PolygonAttributes.CULL_NONE);
    app.setPolygonAttributes(polyAttrbutes);

    tg.addChild(new Shape3D(text3D, app));
    return tg;
}

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);/*from w w  w  . ja v  a 2 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:PolygonOffset.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 ww  .jav  a2 s.c  om

    // Create a Sphere. We will display this as both wireframe and
    // solid to make a hidden line display
    // wireframe
    Appearance wireApp = new Appearance();

    ColoringAttributes wireCa = new ColoringAttributes();
    wireCa.setColor(black);
    wireApp.setColoringAttributes(wireCa);
    wirePa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_BACK, 0.0f);
    wireApp.setPolygonAttributes(wirePa);
    Sphere outWireSphere = new Sphere(sphereRadius, 0, 15, wireApp);
    objTrans.addChild(outWireSphere);

    // solid
    ColoringAttributes outCa = new ColoringAttributes(red, ColoringAttributes.SHADE_FLAT);
    Appearance outSolid = new Appearance();
    outSolid.setColoringAttributes(outCa);
    solidPa = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_BACK, 0.0f);
    solidPa.setPolygonOffsetFactor(dynamicOffset);
    solidPa.setPolygonOffset(staticOffset);
    solidPa.setCapability(PolygonAttributes.ALLOW_OFFSET_WRITE);
    outSolid.setPolygonAttributes(solidPa);
    Sphere outSolidSphere = new Sphere(sphereRadius, 0, 15, outSolid);
    objTrans.addChild(outSolidSphere);

    innerTG = new TransformGroup();
    innerTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    scale = new Transform3D();
    updateInnerScale();
    objTrans.addChild(innerTG);

    // Create a smaller sphere to go inside. This sphere has a different
    // tesselation and color
    Sphere inWireSphere = new Sphere(sphereRadius, 0, 10, wireApp);
    innerTG.addChild(inWireSphere);

    // inside solid
    ColoringAttributes inCa = new ColoringAttributes(blue, ColoringAttributes.SHADE_FLAT);
    Appearance inSolid = new Appearance();
    inSolid.setColoringAttributes(inCa);
    inSolid.setPolygonAttributes(solidPa);
    Sphere inSolidSphere = new Sphere(sphereRadius, 0, 10, inSolid);
    innerTG.addChild(inSolidSphere);

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    AxisAngle4f axisAngle = new AxisAngle4f(0.0f, 0.0f, 1.0f, -(float) Math.PI / 2.0f);
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 80000, 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);

    // set up a white background
    Background bgWhite = new Background(new Color3f(1.0f, 1.0f, 1.0f));
    bgWhite.setApplicationBounds(bounds);
    objTrans.addChild(bgWhite);

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

    return objRoot;
}

From source file:TwistStripApp.java

public BranchGroup createSceneGraph() {

    BranchGroup contentRoot = new BranchGroup();

    // Create the transform group node and initialize it to the
    // identity. Add it to the root of the subgraph.
    TransformGroup objSpin = new TransformGroup();
    objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    contentRoot.addChild(objSpin);// w  w  w  .j a v  a2  s  .  c om

    Shape3D twist = new Twist();
    objSpin.addChild(twist);

    // Duplicate the twist strip geometry and set the
    // appearance of the new Shape3D object to line mode
    // without culling.
    // Add the POLYGON_FILLED and POLYGON_LINE strips
    // in the scene graph at the same point.
    // This will show the triangles of the original Mobius strip that
    // are clipped. The PolygonOffset is set to prevent stitching.
    PolygonAttributes polyAttrib = new PolygonAttributes();
    polyAttrib.setCullFace(PolygonAttributes.CULL_NONE);
    polyAttrib.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    polyAttrib.setPolygonOffset(0.001f);
    Appearance polyAppear = new Appearance();
    polyAppear.setPolygonAttributes(polyAttrib);
    objSpin.addChild(new Shape3D(twist.getGeometry(), polyAppear));

    Alpha rotationAlpha = new Alpha(-1, 16000);

    RotationInterpolator rotator = new RotationInterpolator(rotationAlpha, objSpin);

    // a bounding sphere specifies a region a behavior is active
    // create a sphere centered at the origin with radius of 1
    BoundingSphere bounds = new BoundingSphere();
    rotator.setSchedulingBounds(bounds);
    objSpin.addChild(rotator);

    // make background white
    Background background = new Background(1.0f, 1.0f, 1.0f);
    background.setApplicationBounds(bounds);
    contentRoot.addChild(background);

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

    return contentRoot;
}

From source file:TextureTest.java

protected Shape3D createTextureGeometry(String szFile, boolean bWireframe) {
    // load all the texture data from the file and create the geometry
    // coordinates
    TextureGeometryInfo texInfo = createTextureCoordinates(szFile);

    if (texInfo == null) {
        System.err.println("Could not load texture info for file:" + szFile);
        return null;
    }//from  w ww.  java  2 s. c  om

    // print some stats on the loaded file
    System.out.println("Loaded File: " + szFile);
    System.out.println("   Texture image: " + texInfo.m_szImage);
    System.out.println("   Texture coordinates: " + texInfo.m_TexCoordArray.length);

    // create an Appearance and assign a Material
    Appearance app = new Appearance();

    PolygonAttributes polyAttribs = null;

    // create the PolygonAttributes and attach to the Appearance,
    // note that we use CULL_NONE so that the "rear" side of the geometry
    // is visible with the applied texture image
    if (bWireframe == false)
        polyAttribs = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_NONE, 0);
    else
        polyAttribs = new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_NONE, 0);

    app.setPolygonAttributes(polyAttribs);

    // load the texture image and assign to the appearance
    TextureLoader texLoader = new TextureLoader(texInfo.m_szImage, Texture.RGB, this);
    Texture tex = texLoader.getTexture();
    app.setTexture(tex);

    // create a GeometryInfo for the QuadArray that was populated.
    GeometryInfo gi = new GeometryInfo(GeometryInfo.POLYGON_ARRAY);
    gi.setCoordinates(texInfo.m_CoordArray);
    gi.setTextureCoordinates(texInfo.m_TexCoordArray);

    // use the triangulator utility to triangulate the polygon
    int[] stripCountArray = { texInfo.m_CoordArray.length };
    int[] countourCountArray = { stripCountArray.length };

    gi.setContourCounts(countourCountArray);
    gi.setStripCounts(stripCountArray);

    Triangulator triangulator = new Triangulator();
    triangulator.triangulate(gi);

    // generate normal vectors for the triangles, not
    // strictly necessary as we are not lighting the scene
    // but generally useful
    NormalGenerator normalGenerator = new NormalGenerator();
    normalGenerator.generateNormals(gi);

    // wrap the GeometryArray in a Shape3D and assign appearance
    return new Shape3D(gi.getGeometryArray(), app);
}

From source file:ViewProj.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);// w  w  w  .  j  av  a  2 s .com

    // Create a Sphere. We will display this as both wireframe and
    // solid to make a hidden line display
    // wireframe
    Appearance wireApp = new Appearance();
    ColoringAttributes ca = new ColoringAttributes(black, ColoringAttributes.SHADE_FLAT);
    wireApp.setColoringAttributes(ca);
    wirePa = new PolygonAttributes(PolygonAttributes.POLYGON_LINE, PolygonAttributes.CULL_BACK, 0.0f);
    wireApp.setPolygonAttributes(wirePa);
    Sphere outWireSphere = new Sphere(sphereRadius, 0, 10, wireApp);
    objTrans.addChild(outWireSphere);

    // solid
    ColoringAttributes outCa = new ColoringAttributes(red, ColoringAttributes.SHADE_FLAT);
    Appearance outSolid = new Appearance();
    outSolid.setColoringAttributes(outCa);
    solidPa = new PolygonAttributes(PolygonAttributes.POLYGON_FILL, PolygonAttributes.CULL_BACK, 0.0f);
    solidPa.setPolygonOffsetFactor(dynamicOffset);
    solidPa.setPolygonOffset(staticOffset);
    solidPa.setCapability(PolygonAttributes.ALLOW_OFFSET_WRITE);
    outSolid.setPolygonAttributes(solidPa);
    Sphere outSolidSphere = new Sphere(sphereRadius, 0, 10, outSolid);
    objTrans.addChild(outSolidSphere);

    innerTG = new TransformGroup();
    innerTG.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
    scale = new Transform3D();
    updateInnerScale();
    objTrans.addChild(innerTG);

    // Create a smaller sphere to go inside. This sphere has a different
    // tesselation and color
    Sphere inWireSphere = new Sphere(sphereRadius, 0, 15, wireApp);
    innerTG.addChild(inWireSphere);

    // inside solid
    ColoringAttributes inCa = new ColoringAttributes(blue, ColoringAttributes.SHADE_FLAT);
    Appearance inSolid = new Appearance();
    inSolid.setColoringAttributes(inCa);
    inSolid.setPolygonAttributes(solidPa);
    Sphere inSolidSphere = new Sphere(sphereRadius, 0, 15, inSolid);
    innerTG.addChild(inSolidSphere);

    // Create a new Behavior object that will perform the desired
    // operation on the specified transform object and add it into
    // the scene graph.
    AxisAngle4f axisAngle = new AxisAngle4f(0.0f, 0.0f, 1.0f, -(float) Math.PI / 2.0f);
    Transform3D yAxis = new Transform3D();
    Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 80000, 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);

    Background bgWhite = new Background(white);
    bgWhite.setApplicationBounds(bounds);
    objTrans.addChild(bgWhite);

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

    return objRoot;
}

From source file:ExBluePrint.java

private Group buildGadget() {
    if (debug)//  w  w w .j av  a2  s  .c o m
        System.err.println("  gadget...");
    //
    //  Create two appearances:
    //    wireframeApp: draw as blue wireframe
    //    shadedApp: draw as metalic shaded polygons
    //

    //  Wireframe:
    //    no Material - defaults to coloring attributes color
    //    polygons as lines, with backfaces
    //    thick lines
    Appearance wireframeApp = new Appearance();

    ColoringAttributes wireframeCatt = new ColoringAttributes();
    wireframeCatt.setColor(0.0f, 0.2559f, 0.4213f);
    wireframeCatt.setShadeModel(ColoringAttributes.SHADE_FLAT);
    wireframeApp.setColoringAttributes(wireframeCatt);

    PolygonAttributes wireframePatt = new PolygonAttributes();
    wireframePatt.setPolygonMode(PolygonAttributes.POLYGON_LINE);
    wireframePatt.setCullFace(PolygonAttributes.CULL_NONE);
    wireframeApp.setPolygonAttributes(wireframePatt);

    LineAttributes wireframeLatt = new LineAttributes();
    wireframeLatt.setLineWidth(2.0f);
    wireframeApp.setLineAttributes(wireframeLatt);

    //  Shaded:
    //    silver material
    Appearance shadedApp = new Appearance();

    Material shadedMat = new Material();
    shadedMat.setAmbientColor(0.30f, 0.30f, 0.30f);
    shadedMat.setDiffuseColor(0.30f, 0.30f, 0.50f);
    shadedMat.setSpecularColor(0.60f, 0.60f, 0.80f);
    shadedMat.setShininess(0.10f);
    shadedApp.setMaterial(shadedMat);

    ColoringAttributes shadedCatt = new ColoringAttributes();
    shadedCatt.setShadeModel(ColoringAttributes.SHADE_GOURAUD);
    shadedApp.setColoringAttributes(shadedCatt);

    //
    //  Create a switch group to hold two versions of the
    //  shape: one wireframe, and one shaded
    //
    Transform3D tr = new Transform3D();
    tr.set(new Vector3f(-1.0f, 0.2f, 0.0f));
    TransformGroup gadget = new TransformGroup(tr);
    shadingSwitch = new Switch();
    shadingSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
    Group wireframe = new Group();
    Group shaded = new Group();
    shadingSwitch.addChild(wireframe);
    shadingSwitch.addChild(shaded);
    shadingSwitch.setWhichChild(1); // shaded
    gadget.addChild(shadingSwitch);

    //
    //  Build a gear (wireframe and shaded)
    //
    tr = new Transform3D();
    tr.rotY(Math.PI / 2.0);
    TransformGroup tg = new TransformGroup(tr);
    SpurGear gear = new SpurGearThinBody(24, // tooth count
            1.6f, // pitch circle radius
            0.3f, // shaft radius
            0.08f, // addendum
            0.05f, // dedendum
            0.3f, // gear thickness
            0.28f, // tooth tip thickness
            wireframeApp);// appearance
    tg.addChild(gear);
    wireframe.addChild(tg);

    tg = new TransformGroup(tr);
    gear = new SpurGearThinBody(24, // tooth count
            1.6f, // pitch circle radius
            0.3f, // shaft radius
            0.08f, // addendum
            0.05f, // dedendum
            0.3f, // gear thickness
            0.28f, // tooth tip thickness
            shadedApp); // appearance
    tg.addChild(gear);
    shaded.addChild(tg);

    //
    //  Build another gear (wireframe and shaded)
    //
    tr.rotY(Math.PI / 2.0);
    Vector3f trans = new Vector3f(-0.5f, 0.0f, 0.0f);
    tr.setTranslation(trans);
    tg = new TransformGroup(tr);
    gear = new SpurGearThinBody(30, // tooth count
            2.0f, // pitch circle radius
            0.3f, // shaft radius
            0.08f, // addendum
            0.05f, // dedendum
            0.3f, // gear thickness
            0.28f, // tooth tip thickness
            wireframeApp);// appearance
    tg.addChild(gear);
    wireframe.addChild(tg);

    tg = new TransformGroup(tr);
    gear = new SpurGearThinBody(30, // tooth count
            2.0f, // pitch circle radius
            0.3f, // shaft radius
            0.08f, // addendum
            0.05f, // dedendum
            0.3f, // gear thickness
            0.28f, // tooth tip thickness
            shadedApp); // appearance
    tg.addChild(gear);
    shaded.addChild(tg);

    //
    //  Build a cylindrical shaft (wireframe and shaded)
    //
    tr.rotZ(-Math.PI / 2.0);
    trans = new Vector3f(1.0f, 0.0f, 0.0f);
    tr.setTranslation(trans);
    tg = new TransformGroup(tr);
    Cylinder cyl = new Cylinder(0.3f, // radius
            4.0f, // length
            Primitive.GENERATE_NORMALS, // format
            16, // radial resolution
            1, // length-wise resolution
            wireframeApp);// appearance
    tg.addChild(cyl);
    wireframe.addChild(tg);

    tg = new TransformGroup(tr);
    cyl = new Cylinder(0.3f, // radius
            4.0f, // length
            Primitive.GENERATE_NORMALS, // format
            16, // radial resolution
            1, // length-wise resolution
            shadedApp); // appearance
    tg.addChild(cyl);
    shaded.addChild(tg);

    //
    //  Build shaft teeth (wireframe and shaded)
    //
    tr.rotY(Math.PI / 2.0);
    trans = new Vector3f(2.05f, 0.0f, 0.0f);
    tr.setTranslation(trans);
    tg = new TransformGroup(tr);
    gear = new SpurGear(12, // tooth count
            0.5f, // pitch circle radius
            0.3f, // shaft radius
            0.05f, // addendum
            0.05f, // dedendum
            1.5f, // gear thickness
            0.8f, // tooth tip thickness
            wireframeApp);// appearance
    tg.addChild(gear);
    wireframe.addChild(tg);

    tg = new TransformGroup(tr);
    gear = new SpurGear(12, // tooth count
            0.5f, // pitch circle radius
            0.3f, // shaft radius
            0.05f, // addendum
            0.05f, // dedendum
            1.5f, // gear thickness
            0.8f, // tooth tip thickness
            shadedApp); // appearance
    tg.addChild(gear);
    shaded.addChild(tg);

    return gadget;
}