List of usage examples for javax.media.j3d TransformGroup ALLOW_TRANSFORM_WRITE
int ALLOW_TRANSFORM_WRITE
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From source file:SwingTest.java
/** * Create the scene side of the scenegraph *///from w ww . j a va2 s. c om protected BranchGroup createSceneBranchGroup() { // create the root of the scene side scenegraph BranchGroup objRoot = new BranchGroup(); // create a TransformGroup to rotate the objects in the scene // set the capability bits on the TransformGroup so that it // can be modified at runtime TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); // create a spherical bounding volume BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0); // create a 4x4 transformation matrix Transform3D yAxis = new Transform3D(); // create an Alpha interpolator to automatically generate // modifications to the rotation component of the transformation matrix Alpha rotationAlpha = new Alpha(-1, Alpha.INCREASING_ENABLE, 0, 0, 4000, 0, 0, 0, 0, 0); // create a RotationInterpolator behavior to effect the TransformGroup rotator = new RotationInterpolator(rotationAlpha, objTrans, yAxis, 0.0f, (float) Math.PI * 2.0f); // set the scheduling bounds on the behavior rotator.setSchedulingBounds(bounds); // add the behavior to the scenegraph objTrans.addChild(rotator); // create the BranchGroup which contains the objects // we add/remove to and from the scenegraph sceneBranchGroup = new BranchGroup(); // allow the BranchGroup to have children added at runtime sceneBranchGroup.setCapability(Group.ALLOW_CHILDREN_EXTEND); sceneBranchGroup.setCapability(Group.ALLOW_CHILDREN_READ); sceneBranchGroup.setCapability(Group.ALLOW_CHILDREN_WRITE); // add both the cube and the sphere to the scenegraph sceneBranchGroup.addChild(createCube()); sceneBranchGroup.addChild(createSphere()); // create the colors for the 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); // create the ambient light AmbientLight aLgt = new AmbientLight(alColor); aLgt.setInfluencingBounds(bounds); // create the directional light DirectionalLight lgt1 = new DirectionalLight(lColor1, lDir1); lgt1.setInfluencingBounds(bounds); // add the lights to the scenegraph objRoot.addChild(aLgt); objRoot.addChild(lgt1); // wire the scenegraph together objTrans.addChild(sceneBranchGroup); objRoot.addChild(objTrans); // return the root of the scene side of the scenegraph return objRoot; }
From source file:InterpolatorTest.java
private TransformGroup createSharedGroup(Appearance app) { TransformGroup tg = new TransformGroup(); tg.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); tg.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); tg.addChild(createGeometry(app, -0.5, -0.5, 0)); tg.addChild(createGeometry(app, -0.5, 0.5, 0)); tg.addChild(createGeometry(app, 0.5, 0.5, 0)); tg.addChild(createGeometry(app, 0.5, -0.5, 0)); return tg;//from ww w .j a v a2 s .com }
From source file:ExSpotLight.java
private Group buildArrows() { // Create a switch group to hold the different arrow fan // spread angle choices. Enable child choice writing. arrowSpreadAngleSwitch = new Switch(); arrowSpreadAngleSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE); // Create a set of arrow fans, one per spread angle // shown on the menu. AnnotationArrowFan af = null;/*from ww w .j av a2 s. c om*/ float spread = 0.0f; for (int i = 0; i < spreads.length; i++) { spread = ((Double) spreads[i].value).floatValue(); af = new AnnotationArrowFan(0.0f, 0.0f, 0.0f, // center position 2.5f, // arrow length -spread, // start angle spread, // end angle 5); // number of arrows arrowSpreadAngleSwitch.addChild(af); } // Select the current fan. arrowSpreadAngleSwitch.setWhichChild(currentSpread); // Create an outer transform group used to change the fan // position. Enable writing of its transform. arrowPositionTransformGroup = new TransformGroup(); arrowPositionTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // Create a set of Transform3Ds for the different arrow positions. arrowPositionTransforms = new Transform3D[positions.length]; Point3f pos; Vector3f v = new Vector3f(); for (int i = 0; i < positions.length; i++) { // Create a Transform3D, setting its translation. arrowPositionTransforms[i] = new Transform3D(); pos = (Point3f) positions[i].value; v.set(pos); arrowPositionTransforms[i].setTranslation(v); } // Set the initial transform to be the current position arrowPositionTransformGroup.setTransform(arrowPositionTransforms[currentPosition]); // Create an inner transform group surrounding the arrows, // used to set the aim direction. Enable writing of its transform. arrowDirectionTransformGroup = new TransformGroup(); arrowDirectionTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); // Add the switch group to the direction-change transform group, // and add the direction-change transform group to the // position-change transform gorup. arrowDirectionTransformGroup.addChild(arrowSpreadAngleSwitch); arrowPositionTransformGroup.addChild(arrowDirectionTransformGroup); // Create a set of Transform3Ds for the different // arrow directions. arrowDirectionTransforms = new Transform3D[directions.length]; Vector3f dir = new Vector3f(); Vector3f positiveX = new Vector3f(1.0f, 0.0f, 0.0f); Vector3f axis = new Vector3f(); float angle; float dot; for (int i = 0; i < directions.length; i++) { // Normalize the direction vector dir.normalize((Vector3f) directions[i].value); // Cross the direction vector with the arrow's // +X aim direction to get a vector orthogonal // to both. This is the rotation axis. axis.cross(positiveX, dir); if (axis.x == 0.0f && axis.y == 0.0f && axis.z == 0.0f) { // New direction is parallel to current // arrow direction. Default to a Y axis. axis.y = 1.0f; } // Compute the angle between the direction and +X // vectors, where: // // cos(angle) = (dir dot positiveX) // ------------------------------- // (positiveX.length * dir.length) // // but since positiveX is normalized (as created // above) and dir has been normalized, both have // a length of 1. So, the angle between the // vectors is: // // angle = arccos(dir dot positiveX) dot = dir.dot(positiveX); angle = (float) Math.acos(dot); // Create a Transform3D, setting its rotation using // an AxisAngle4f, which takes an XYZ rotation vector // and an angle to rotate by around that vector. arrowDirectionTransforms[i] = new Transform3D(); arrowDirectionTransforms[i].setRotation(new AxisAngle4f(axis.x, axis.y, axis.z, angle)); } // Set the initial transform to be the current aim direction. arrowDirectionTransformGroup.setTransform(arrowDirectionTransforms[currentDirection]); return arrowPositionTransformGroup; }
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 . 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); 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:SplineInterpolatorTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); // create a root TG in case we need to scale the scene TransformGroup objTrans = new TransformGroup(); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); Transform3D t3d = new Transform3D(); objTrans.setTransform(t3d);//from w w w . j a v a 2s.c o m Group hiResGroup = createLodLand(objTrans); createBuildings(objTrans); createHelicopters(objTrans); // connect objRoot.addChild(objTrans); return objRoot; }
From source file:NodesTest.java
public CollisionBehavior(BranchGroup pickRoot, TransformGroup collisionObject, Appearance app, Vector3d posVector, Vector3d incVector) { // save references to the objects this.pickRoot = pickRoot; this.collisionObject = collisionObject; this.objectAppearance = app; incrementVector = incVector;// w ww .ja v a2s. c o m positionVector = posVector; // create the WakeupCriterion for the behavior WakeupCriterion criterionArray[] = new WakeupCriterion[1]; criterionArray[0] = new WakeupOnElapsedFrames(ELAPSED_FRAME_COUNT); objectAppearance.setCapability(Appearance.ALLOW_MATERIAL_WRITE); collisionObject.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); collisionObject.setCapability(Node.ALLOW_BOUNDS_READ); // save the WakeupCriterion for the behavior m_WakeupCondition = new WakeupOr(criterionArray); }
From source file:SplineAnim.java
public BranchGroup createSceneGraph() { // Colors for lights and objects Color3f aColor = new Color3f(0.2f, 0.2f, 0.2f); Color3f eColor = new Color3f(0.0f, 0.0f, 0.0f); Color3f sColor = new Color3f(1.0f, 1.0f, 1.0f); Color3f coneColor = new Color3f(0.9f, 0.1f, 0.1f); Color3f sphereColor = new Color3f(0.1f, 0.7f, 0.9f); Color3f bgColor = new Color3f(0.0f, 0.0f, 0.0f); Color3f lightColor = new Color3f(1.0f, 1.0f, 1.0f); // Root of the branch grsph BranchGroup root = new BranchGroup(); // Create transforms such that all objects appears in the scene sceneTransform = new Transform3D(); sceneTransform.setScale(0.14f);//w ww . jav a2 s . c o m Transform3D yrot = new Transform3D(); yrot.rotY(-Math.PI / 5.0d); sceneTransform.mul(yrot); sceneTransformGroup = new TransformGroup(sceneTransform); sceneTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); sceneTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ); root.addChild(sceneTransformGroup); // Create bounds for the background and lights bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 100.0f); // Set up the background Background bg = new Background(bgColor); bg.setApplicationBounds(bounds); sceneTransformGroup.addChild(bg); // Create the transform group node for the lights lightTransform1 = new Transform3D(); lightTransform2 = new Transform3D(); Vector3d lightPos1 = new Vector3d(0.0, 0.0, 2.0); Vector3d lightPos2 = new Vector3d(1.0, 0.0, -2.0); lightTransform1.set(lightPos1); lightTransform2.set(lightPos2); light1TransformGroup = new TransformGroup(lightTransform1); light2TransformGroup = new TransformGroup(lightTransform2); sceneTransformGroup.addChild(light1TransformGroup); sceneTransformGroup.addChild(light2TransformGroup); // Create lights AmbientLight ambLight = new AmbientLight(aColor); Light dirLight1; Light dirLight2; Vector3f lightDir1 = new Vector3f(lightPos1); Vector3f lightDir2 = new Vector3f(lightPos2); lightDir1.negate(); lightDir2.negate(); dirLight1 = new DirectionalLight(lightColor, lightDir1); dirLight2 = new DirectionalLight(lightColor, lightDir2); // Set the influencing bounds ambLight.setInfluencingBounds(bounds); dirLight1.setInfluencingBounds(bounds); dirLight2.setInfluencingBounds(bounds); // Add the lights into the scene graph sceneTransformGroup.addChild(ambLight); sceneTransformGroup.addChild(dirLight1); sceneTransformGroup.addChild(dirLight2); // Create a cone and add it to the scene graph. objTransform = new Transform3D(); objTransformGroup = new TransformGroup(objTransform); objTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); sceneTransformGroup.addChild(objTransformGroup); Material m = new Material(coneColor, eColor, coneColor, sColor, 100.0f); Appearance a = new Appearance(); m.setLightingEnable(true); a.setMaterial(m); Cone cone = new Cone(0.4f, 1.0f); cone.setAppearance(a); objTransformGroup.addChild(cone); // Create transform groups for each knot point // knot point 0 Transform3D t3dKnot = new Transform3D(); t3dKnot.set(pos0); TransformGroup k0TransformGroup = new TransformGroup(t3dKnot); sceneTransformGroup.addChild(k0TransformGroup); // knot point 1 t3dKnot = new Transform3D(); t3dKnot.set(pos1); TransformGroup k1TransformGroup = new TransformGroup(t3dKnot); sceneTransformGroup.addChild(k1TransformGroup); // knot point 2 t3dKnot = new Transform3D(); t3dKnot.set(pos2); TransformGroup k2TransformGroup = new TransformGroup(t3dKnot); sceneTransformGroup.addChild(k2TransformGroup); // knot point 3 t3dKnot = new Transform3D(); t3dKnot.set(pos3); TransformGroup k3TransformGroup = new TransformGroup(t3dKnot); sceneTransformGroup.addChild(k3TransformGroup); // knot point 4 t3dKnot = new Transform3D(); t3dKnot.set(pos4); TransformGroup k4TransformGroup = new TransformGroup(t3dKnot); sceneTransformGroup.addChild(k4TransformGroup); // knot point 5 t3dKnot = new Transform3D(); t3dKnot.set(pos5); TransformGroup k5TransformGroup = new TransformGroup(t3dKnot); sceneTransformGroup.addChild(k5TransformGroup); // Create spheres for each knot point's transform group ColoringAttributes sphereColorAttr = new ColoringAttributes(); sphereColorAttr.setColor(sphereColor); Appearance sphereAppearance = new Appearance(); sphereAppearance.setColoringAttributes(sphereColorAttr); k0TransformGroup.addChild(new Sphere(0.10f, sphereAppearance)); k1TransformGroup.addChild(new Sphere(0.10f, sphereAppearance)); k2TransformGroup.addChild(new Sphere(0.10f, sphereAppearance)); k3TransformGroup.addChild(new Sphere(0.10f, sphereAppearance)); k4TransformGroup.addChild(new Sphere(0.10f, sphereAppearance)); k5TransformGroup.addChild(new Sphere(0.10f, sphereAppearance)); return root; }
From source file:HiResCoordTest.java
protected BranchGroup createSceneBranchGroup() { BranchGroup objRoot = super.createSceneBranchGroup(); Transform3D t3dTilt = new Transform3D(); t3dTilt.rotX(0.3);/*from w ww . j a v a 2s . c o m*/ 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:SplineInterpolatorTest.java
public TransformGroup[] getViewTransformGroupArray() { TransformGroup[] tgArray = new TransformGroup[2]; tgArray[0] = new TransformGroup(); tgArray[1] = new TransformGroup(); Transform3D t3d = new Transform3D(); t3d.setScale(getScale());// ww w . ja v a 2s .co m t3d.invert(); tgArray[0].setTransform(t3d); // create an Alpha object for the Interpolator Alpha alpha = new Alpha(-1, Alpha.INCREASING_ENABLE | Alpha.DECREASING_ENABLE, 0, 0, 25000, 4000, 100, 20000, 5000, 50); // ensure the Interpolator can access the TG tgArray[1].setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); try { // create the Interpolator and load the keyframes from disk RotPosScaleTCBSplinePathInterpolator splineInterpolator = Utils.createSplinePathInterpolator( new UiAlpha(alpha), tgArray[1], new Transform3D(), new URL(getWorkingDirectory(), "rotate_viewer_spline.xls")); // set the scheduling bounds and attach to the scenegraph splineInterpolator.setSchedulingBounds(getApplicationBounds()); tgArray[1].addChild(splineInterpolator); } catch (Exception e) { System.err.println(e.toString()); } return tgArray; }
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);/*w w w. ja v a 2 s. c om*/ 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)); // } }