List of usage examples for javax.media.j3d AmbientLight setEnable
public void setEnable(boolean state)
From source file:AlternateAppearanceBoundsTest.java
BranchGroup createSceneGraph() {
BranchGroup objRoot = new BranchGroup();
// Create an alternate appearance
otherApp = new Appearance();
altMat = new Material();
altMat.setCapability(Material.ALLOW_COMPONENT_WRITE);
altMat.setDiffuseColor(new Color3f(0.0f, 1.0f, 0.0f));
otherApp.setMaterial(altMat);//from w ww .j av a2 s.co m
altApp = new AlternateAppearance();
altApp.setAppearance(otherApp);
altApp.setCapability(AlternateAppearance.ALLOW_BOUNDS_WRITE);
altApp.setCapability(AlternateAppearance.ALLOW_INFLUENCING_BOUNDS_WRITE);
altApp.setInfluencingBounds(worldBounds);
objRoot.addChild(altApp);
// Build foreground geometry
Appearance app1 = new Appearance();
mat1 = new Material();
mat1.setCapability(Material.ALLOW_COMPONENT_WRITE);
mat1.setDiffuseColor(new Color3f(1.0f, 0.0f, 0.0f));
app1.setMaterial(mat1);
content1 = new SphereGroup(0.05f, // radius of spheres
0.15f, // x spacing
0.15f, // y spacing
5, // number of spheres in X
5, // number of spheres in Y
app1, // appearance
true); // alt app override = true
objRoot.addChild(content1);
shapes1 = ((SphereGroup) content1).getShapes();
// Add lights
light1 = new DirectionalLight();
light1.setEnable(true);
light1.setColor(new Color3f(0.2f, 0.2f, 0.2f));
light1.setDirection(new Vector3f(1.0f, 0.0f, -1.0f));
light1.setInfluencingBounds(worldBounds);
light1.setCapability(DirectionalLight.ALLOW_INFLUENCING_BOUNDS_WRITE);
light1.setCapability(DirectionalLight.ALLOW_BOUNDS_WRITE);
objRoot.addChild(light1);
// Add an ambient light to dimly illuminate the rest of
// the shapes in the scene to help illustrate that the
// directional lights are being scoped... otherwise it looks
// like we're just removing shapes from the scene
AmbientLight ambient = new AmbientLight();
ambient.setEnable(true);
ambient.setColor(new Color3f(1.0f, 1.0f, 1.0f));
ambient.setInfluencingBounds(worldBounds);
objRoot.addChild(ambient);
// Define a bounding leaf
leafBounds = new BoundingLeaf(allBounds[currentBounds]);
leafBounds.setCapability(BoundingLeaf.ALLOW_REGION_WRITE);
objRoot.addChild(leafBounds);
if (boundingLeafOn) {
altApp.setInfluencingBoundingLeaf(leafBounds);
} else {
altApp.setInfluencingBounds(allBounds[currentBounds]);
}
return objRoot;
}
From source file:AlternateAppearanceScopeTest.java
BranchGroup createSceneGraph() {
BranchGroup objRoot = new BranchGroup();
// Create influencing bounds
worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center
1000.0); // Extent
Transform3D t = new Transform3D();
// move the object upwards
t.set(new Vector3f(0.0f, 0.1f, 0.0f));
// Shrink the object
t.setScale(0.8);//from w w w. j a va 2 s . c o m
TransformGroup trans = new TransformGroup(t);
trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
otherApp = new Appearance();
altMat = new Material();
altMat.setCapability(Material.ALLOW_COMPONENT_WRITE);
altMat.setDiffuseColor(new Color3f(0.0f, 1.0f, 0.0f));
otherApp.setMaterial(altMat);
altApp = new AlternateAppearance();
altApp.setAppearance(otherApp);
altApp.setCapability(AlternateAppearance.ALLOW_SCOPE_WRITE);
altApp.setCapability(AlternateAppearance.ALLOW_SCOPE_READ);
altApp.setInfluencingBounds(worldBounds);
objRoot.addChild(altApp);
// Build foreground geometry into two groups. We'll
// create three directional lights below, one each with
// scope to cover the first geometry group only, the
// second geometry group only, or both geometry groups.
Appearance app1 = new Appearance();
mat1 = new Material();
mat1.setCapability(Material.ALLOW_COMPONENT_WRITE);
mat1.setDiffuseColor(new Color3f(1.0f, 0.0f, 0.0f));
app1.setMaterial(mat1);
content1 = new SphereGroup(0.05f, // radius of spheres
0.4f, // x spacing
0.2f, // y spacing
3, // number of spheres in X
5, // number of spheres in Y
app1, // appearance
true); // alt app override = true
trans.addChild(content1);
shapes1 = ((SphereGroup) content1).getShapes();
content2 = new SphereGroup(0.05f, // radius of spheres
.4f, // x spacing
0.2f, // y spacing
2, // number of spheres in X
5, // number of spheres in Y
app1, // appearance
true); // alt app override = true
trans.addChild(content2);
shapes2 = ((SphereGroup) content2).getShapes();
// Add lights
DirectionalLight light1 = null;
light1 = new DirectionalLight();
light1.setEnable(true);
light1.setColor(new Color3f(0.2f, 0.2f, 0.2f));
light1.setDirection(new Vector3f(1.0f, 0.0f, -1.0f));
light1.setInfluencingBounds(worldBounds);
objRoot.addChild(light1);
DirectionalLight light2 = new DirectionalLight();
light2.setEnable(true);
light2.setColor(new Color3f(0.2f, 0.2f, 0.2f));
light2.setDirection(new Vector3f(-1.0f, 0.0f, 1.0f));
light2.setInfluencingBounds(worldBounds);
objRoot.addChild(light2);
// Add an ambient light to dimly illuminate the rest of
// the shapes in the scene to help illustrate that the
// directional lights are being scoped... otherwise it looks
// like we're just removing shapes from the scene
AmbientLight ambient = new AmbientLight();
ambient.setEnable(true);
ambient.setColor(new Color3f(1.0f, 1.0f, 1.0f));
ambient.setInfluencingBounds(worldBounds);
objRoot.addChild(ambient);
objRoot.addChild(trans);
return objRoot;
}
From source file:ExLightScope.java
public Group buildScene() { // Turn off the example headlight setHeadlightEnable(false);/*from www.j a va 2s. c o m*/ // Build the scene group Group scene = new Group(); // Build foreground geometry into two groups. We'll // create three directional lights below, one each with // scope to cover the first geometry group only, the // second geometry group only, or both geometry groups. content1 = new SphereGroup(0.25f, // radius of spheres 1.5f, // x spacing 0.75f, // y spacing 3, // number of spheres in X 5, // number of spheres in Y null); // appearance scene.addChild(content1); content2 = new SphereGroup(0.25f, // radius of spheres 1.5f, // x spacing 0.75f, // y spacing 2, // number of spheres in X 5, // number of spheres in Y null); // appearance scene.addChild(content2); // BEGIN EXAMPLE TOPIC // Create influencing bounds BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center 1000.0); // Extent // Add three directional lights whose scopes are set // to cover one, the other, or both of the shape groups // above. Also set the lights' color and aim direction. // Light #1 with content1 scope light1 = new DirectionalLight(); light1.setEnable(light1OnOff); light1.setColor(Red); light1.setDirection(new Vector3f(1.0f, 0.0f, -1.0f)); light1.setInfluencingBounds(worldBounds); light1.addScope(content1); light1.setCapability(Light.ALLOW_STATE_WRITE); scene.addChild(light1); // Light #2 with content2 scope light2 = new DirectionalLight(); light2.setEnable(light2OnOff); light2.setColor(Blue); light2.setDirection(new Vector3f(1.0f, 0.0f, -1.0f)); light2.setInfluencingBounds(worldBounds); light2.addScope(content2); light2.setCapability(Light.ALLOW_STATE_WRITE); scene.addChild(light2); // Light #3 with universal scope (the default) light3 = new DirectionalLight(); light3.setEnable(light3OnOff); light3.setColor(White); light3.setDirection(new Vector3f(1.0f, 0.0f, -1.0f)); light3.setInfluencingBounds(worldBounds); light3.setCapability(Light.ALLOW_STATE_WRITE); scene.addChild(light3); // Add an ambient light to dimly illuminate the rest of // the shapes in the scene to help illustrate that the // directional lights are being scoped... otherwise it looks // like we're just removing shapes from the scene AmbientLight ambient = new AmbientLight(); ambient.setEnable(true); ambient.setColor(White); ambient.setInfluencingBounds(worldBounds); scene.addChild(ambient); // END EXAMPLE TOPIC return scene; }
From source file:ExLightBounds.java
public Group buildScene() { // Get the current bounding leaf position Point3f pos = (Point3f) positions[currentPosition].value; // Turn off the example headlight setHeadlightEnable(false);//from www .ja v a 2 s .c om // Build the scene group Group scene = new Group(); // BEGIN EXAMPLE TOPIC // Create a bounding leaf we'll use or not use depending // upon menu selections. Put it within a transform group // so that we can move the leaf about. leafTransformGroup = new TransformGroup(); leafTransformGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); Transform3D tr = new Transform3D(); tr.setTranslation(new Vector3f(pos)); leafTransformGroup.setTransform(tr); leafBounds = new BoundingLeaf(worldBounds); leafBounds.setCapability(BoundingLeaf.ALLOW_REGION_WRITE); leafTransformGroup.addChild(leafBounds); scene.addChild(leafTransformGroup); // Add a directional light whose bounds we'll modify // Set its color and aim direction light = new DirectionalLight(); light.setEnable(true); light.setColor(White); light.setDirection(new Vector3f(1.0f, 0.0f, -1.0f)); light.setCapability(DirectionalLight.ALLOW_INFLUENCING_BOUNDS_WRITE); // Set the bounds to be either from the leaf or from // explicit bounds, depending upon the menu initial state if (boundingLeafOnOff) // Use bounding leaf light.setInfluencingBoundingLeaf(leafBounds); else // Use bounds on the light light.setInfluencingBounds(worldBounds); // Set the scope list to include nothing initially. // This defaults to "universal scope" which covers // everything. scene.addChild(light); // Add an ambient light to dimly illuminate the rest of // the shapes in the scene to help illustrate that the // directional light is being bounded... otherwise it looks // like we're just removing shapes from the scene AmbientLight ambient = new AmbientLight(); ambient.setEnable(true); ambient.setColor(White); ambient.setInfluencingBounds(worldBounds); scene.addChild(ambient); // END EXAMPLE TOPIC // Build foreground geometry scene.addChild(new SphereGroup()); return scene; }
From source file:ExBackgroundImage.java
public TowerScene(Component observer) { BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center 1000.0); // Extent // Add a few lights AmbientLight ambient = new AmbientLight(); ambient.setEnable(true); ambient.setColor(new Color3f(0.2f, 0.2f, 0.2f)); ambient.setInfluencingBounds(worldBounds); addChild(ambient);//from ww w. jav a 2s.com DirectionalLight dir1 = new DirectionalLight(); dir1.setEnable(true); dir1.setColor(new Color3f(1.0f, 0.15f, 0.15f)); dir1.setDirection(new Vector3f(0.8f, -0.35f, -0.5f)); dir1.setInfluencingBounds(worldBounds); addChild(dir1); DirectionalLight dir2 = new DirectionalLight(); dir2.setEnable(true); dir2.setColor(new Color3f(0.15f, 0.15f, 1.0f)); dir2.setDirection(new Vector3f(-0.7f, -0.35f, 0.5f)); dir2.setInfluencingBounds(worldBounds); addChild(dir2); // Load textures TextureLoader texLoader = new TextureLoader("moon5.jpg", observer); Texture moon = texLoader.getTexture(); if (moon == null) System.err.println("Cannot load moon5.jpg texture"); else { moon.setBoundaryModeS(Texture.WRAP); moon.setBoundaryModeT(Texture.WRAP); moon.setMinFilter(Texture.NICEST); moon.setMagFilter(Texture.NICEST); moon.setMipMapMode(Texture.BASE_LEVEL); moon.setEnable(true); } texLoader = new TextureLoader("stonebrk2.jpg", observer); Texture stone = texLoader.getTexture(); if (stone == null) System.err.println("Cannot load stonebrk2.jpg texture"); else { stone.setBoundaryModeS(Texture.WRAP); stone.setBoundaryModeT(Texture.WRAP); stone.setMinFilter(Texture.NICEST); stone.setMagFilter(Texture.NICEST); stone.setMipMapMode(Texture.BASE_LEVEL); stone.setEnable(true); } // // Build a rough terrain // Appearance moonApp = new Appearance(); Material moonMat = new Material(); moonMat.setAmbientColor(0.5f, 0.5f, 0.5f); moonMat.setDiffuseColor(1.0f, 1.0f, 1.0f); moonMat.setSpecularColor(0.0f, 0.0f, 0.0f); moonApp.setMaterial(moonMat); TextureAttributes moonTexAtt = new TextureAttributes(); moonTexAtt.setTextureMode(TextureAttributes.MODULATE); moonTexAtt.setPerspectiveCorrectionMode(TextureAttributes.NICEST); moonApp.setTextureAttributes(moonTexAtt); if (moon != null) moonApp.setTexture(moon); CraterGrid grid = new CraterGrid(50, 50, // grid dimensions 1.0, 1.0, // grid spacing 4.0, // height exageration factor craters, // grid elevations moonApp); // grid appearance addChild(grid); // // Build several towers on the terrain // SharedGroup tower = new SharedGroup(); Appearance towerApp = new Appearance(); Material towerMat = new Material(); towerMat.setAmbientColor(0.6f, 0.6f, 0.6f); towerMat.setDiffuseColor(1.0f, 1.0f, 1.0f); towerMat.setSpecularColor(0.0f, 0.0f, 0.0f); towerApp.setMaterial(towerMat); Transform3D tr = new Transform3D(); tr.setScale(new Vector3d(4.0, 4.0, 1.0)); TextureAttributes towerTexAtt = new TextureAttributes(); towerTexAtt.setTextureMode(TextureAttributes.MODULATE); towerTexAtt.setPerspectiveCorrectionMode(TextureAttributes.NICEST); towerTexAtt.setTextureTransform(tr); towerApp.setTextureAttributes(towerTexAtt); if (stone != null) towerApp.setTexture(stone); Arch towerShape = new Arch(0.0, // start Phi 1.571, // end Phi 2, // nPhi 0.0, // start Theta Math.PI * 2.0, // end Theta 5, // nTheta 3.0, // start radius 8.0, // end radius 0.0, // start phi thickness 0.0, // end phi thickness towerApp); // appearance tower.addChild(towerShape); // Place towers Matrix3f rot = new Matrix3f(); rot.setIdentity(); TransformGroup tg = new TransformGroup(new Transform3D(rot, new Vector3d(2.0, -3.0, -8.0), 1.0)); tg.addChild(new Link(tower)); addChild(tg); tg = new TransformGroup(new Transform3D(rot, new Vector3d(-1.0, -3.0, -6.0), 0.5)); tg.addChild(new Link(tower)); addChild(tg); tg = new TransformGroup(new Transform3D(rot, new Vector3d(5.0, -3.0, -6.0), 0.75)); tg.addChild(new Link(tower)); addChild(tg); tg = new TransformGroup(new Transform3D(rot, new Vector3d(1.0, -3.0, -3.0), 0.35)); tg.addChild(new Link(tower)); addChild(tg); }
From source file:ExSound.java
public Group buildScene() { // Get the initial sound volume float vol = ((Float) volumes[currentVolume].value).floatValue(); // Turn off the example headlight setHeadlightEnable(false);/*from w ww . j a v a 2 s . co m*/ // Default to walk navigation setNavigationType(Walk); // Build the scene group Group scene = new Group(); // // Preload the sounds // if (debug) System.err.println(" sounds..."); String path = getCurrentDirectory(); MediaContainer backgroundMedia = new MediaContainer(path + "canon.wav"); backgroundMedia.setCacheEnable(true); MediaContainer pointMedia = new MediaContainer(path + "willow1.wav"); pointMedia.setCacheEnable(true); // BEGIN EXAMPLE TOPIC // Create influencing bounds BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center 1000.0); // Extent // Background sound backgroundSound = new BackgroundSound(); backgroundSound.setEnable(backgroundSoundOnOff); backgroundSound.setLoop(Sound.INFINITE_LOOPS); backgroundSound.setSoundData(backgroundMedia); backgroundSound.setInitialGain(vol); backgroundSound.setSchedulingBounds(worldBounds); backgroundSound.setCapability(Sound.ALLOW_ENABLE_WRITE); backgroundSound.setCapability(Sound.ALLOW_INITIAL_GAIN_WRITE); scene.addChild(backgroundSound); // Create a distance gain array for the point sound Point2f[] distanceGain = { new Point2f(9.0f, 1.0f), // Full volume new Point2f(10.0f, 0.5f), // Half volume new Point2f(20.0f, 0.25f), // Quarter volume new Point2f(30.0f, 0.0f), // Zero volume }; // Point sound pointSound = new PointSound(); pointSound.setEnable(pointSoundOnOff); pointSound.setPosition(new Point3f(pointX, soundHeight, 0.0f)); pointSound.setLoop(Sound.INFINITE_LOOPS); pointSound.setSoundData(pointMedia); pointSound.setInitialGain(vol); pointSound.setDistanceGain(distanceGain); pointSound.setSchedulingBounds(worldBounds); pointSound.setCapability(Sound.ALLOW_ENABLE_WRITE); pointSound.setCapability(Sound.ALLOW_INITIAL_GAIN_WRITE); scene.addChild(pointSound); // END EXAMPLE TOPIC // Build a few lights, one per sound. We'll turn them // on when the associated sound is on. ambientLight = new AmbientLight(); ambientLight.setEnable(backgroundSoundOnOff); ambientLight.setColor(Gray); ambientLight.setInfluencingBounds(worldBounds); ambientLight.setCapability(Light.ALLOW_STATE_WRITE); scene.addChild(ambientLight); pointLight = new PointLight(); pointLight.setEnable(pointSoundOnOff); pointLight.setColor(White); pointLight.setPosition(0.0f, soundHeight, 0.0f); pointLight.setInfluencingBounds(worldBounds); pointLight.setCapability(Light.ALLOW_STATE_WRITE); scene.addChild(pointLight); // Add a basic ambient light for when all sounds (and // their lights) are off so that the world isn't dark AmbientLight amb = new AmbientLight(); amb.setEnable(true); amb.setColor(Gray); amb.setInfluencingBounds(worldBounds); amb.setCapability(Light.ALLOW_STATE_WRITE); scene.addChild(amb); // Build foreground geometry scene.addChild(buildForeground()); return scene; }
From source file:ExLinearFog.java
public ColumnScene(Component observer) { BoundingSphere worldBounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), // Center 1000.0); // Extent // Add a few lights AmbientLight ambient = new AmbientLight(); ambient.setEnable(true); ambient.setColor(new Color3f(0.2f, 0.2f, 0.2f)); ambient.setInfluencingBounds(worldBounds); addChild(ambient);//from ww w. ja va 2 s. c o m DirectionalLight dir1 = new DirectionalLight(); dir1.setEnable(true); dir1.setColor(new Color3f(1.0f, 1.0f, 1.0f)); dir1.setDirection(new Vector3f(0.8f, -0.35f, 0.5f)); dir1.setInfluencingBounds(worldBounds); addChild(dir1); DirectionalLight dir2 = new DirectionalLight(); dir2.setEnable(true); dir2.setColor(new Color3f(0.75f, 0.75f, 1.0f)); dir2.setDirection(new Vector3f(-0.7f, -0.35f, -0.5f)); dir2.setInfluencingBounds(worldBounds); addChild(dir2); // Load textures TextureLoader texLoader = new TextureLoader("grass06.jpg", observer); Texture grassTex = texLoader.getTexture(); if (grassTex == null) System.err.println("Cannot load grass06.jpg texture"); else { grassTex.setBoundaryModeS(Texture.WRAP); grassTex.setBoundaryModeT(Texture.WRAP); grassTex.setMinFilter(Texture.NICEST); grassTex.setMagFilter(Texture.NICEST); grassTex.setMipMapMode(Texture.BASE_LEVEL); grassTex.setEnable(true); } texLoader = new TextureLoader("marble10.jpg", observer); Texture walkTex = texLoader.getTexture(); if (walkTex == null) System.err.println("Cannot load marble10.jpg texture"); else { walkTex.setBoundaryModeS(Texture.WRAP); walkTex.setBoundaryModeT(Texture.WRAP); walkTex.setMinFilter(Texture.NICEST); walkTex.setMagFilter(Texture.NICEST); walkTex.setMipMapMode(Texture.BASE_LEVEL); walkTex.setEnable(true); } texLoader = new TextureLoader("granite07rev.jpg", observer); columnTex = texLoader.getTexture(); if (columnTex == null) System.err.println("Cannot load granite07rev.jpg texture"); else { columnTex.setBoundaryModeS(Texture.WRAP); columnTex.setBoundaryModeT(Texture.WRAP); columnTex.setMinFilter(Texture.NICEST); columnTex.setMagFilter(Texture.NICEST); columnTex.setMipMapMode(Texture.BASE_LEVEL); columnTex.setEnable(true); } // // Build the ground // +-----+---+-----+ // | | | | // | G | W | G | // | | | | // +-----+---+-----+ // // where "G" is grass, and "W" is a walkway between columns // Vector3f trans = new Vector3f(); Transform3D tr = new Transform3D(); TransformGroup tg; // Walkway appearance Appearance walkApp = new Appearance(); Material walkMat = new Material(); walkMat.setAmbientColor(0.5f, 0.5f, 0.5f); walkMat.setDiffuseColor(1.0f, 1.0f, 1.0f); walkMat.setSpecularColor(0.0f, 0.0f, 0.0f); walkApp.setMaterial(walkMat); TextureAttributes walkTexAtt = new TextureAttributes(); walkTexAtt.setTextureMode(TextureAttributes.MODULATE); walkTexAtt.setPerspectiveCorrectionMode(TextureAttributes.NICEST); tr.setIdentity(); tr.setScale(new Vector3d(1.0, 6.0, 1.0)); walkTexAtt.setTextureTransform(tr); walkApp.setTextureAttributes(walkTexAtt); if (walkTex != null) walkApp.setTexture(walkTex); // Grass appearance Appearance grassApp = new Appearance(); Material grassMat = new Material(); grassMat.setAmbientColor(0.5f, 0.5f, 0.5f); grassMat.setDiffuseColor(1.0f, 1.0f, 1.0f); grassMat.setSpecularColor(0.0f, 0.0f, 0.0f); grassApp.setMaterial(grassMat); TextureAttributes grassTexAtt = new TextureAttributes(); grassTexAtt.setTextureMode(TextureAttributes.MODULATE); grassTexAtt.setPerspectiveCorrectionMode(TextureAttributes.NICEST); tr.setIdentity(); tr.setScale(new Vector3d(2.0, 8.0, 1.0)); grassTexAtt.setTextureTransform(tr); grassApp.setTextureAttributes(grassTexAtt); if (grassTex != null) grassApp.setTexture(grassTex); // Left grass trans.set(-LawnWidth / 2.0f - WalkwayWidth / 2.0f, -1.6f, 0.0f); tr.set(trans); tg = new TransformGroup(tr); ElevationGrid grass1 = new ElevationGrid(2, // X dimension 2, // Z dimension LawnWidth, // X spacing LawnDepth, // Z spacing grassApp); // appearance tg.addChild(grass1); addChild(tg); // Right grass trans.set(LawnWidth / 2.0f + WalkwayWidth / 2.0f, -1.6f, 0.0f); tr.set(trans); tg = new TransformGroup(tr); ElevationGrid grass2 = new ElevationGrid(2, // X dimension 2, // Z dimension LawnWidth, // X spacing LawnDepth, // Z spacing grassApp); // appearance tg.addChild(grass2); addChild(tg); // Walkway trans.set(0.0f, -1.6f, 0.0f); tr.set(trans); tg = new TransformGroup(tr); ElevationGrid walk = new ElevationGrid(2, // X dimension 2, // Z dimension WalkwayWidth, // X spacing WalkwayDepth, // Z spacing walkApp); // appearance tg.addChild(walk); addChild(tg); // // Build several columns on the floor // SharedGroup column = buildSharedColumn(); Group columns = buildColumns(column); addChild(columns); }