void setupScene() {
// Setup the graphics
// Create a simple scene and attach it to
// the virtual universe
BranchGroup scene = createSceneGraph();
universe = new SimpleUniverse(canvas);
// This will move the ViewPlatform back a
// bit so the
// objects in the scene can be viewed.
universe.getViewingPlatform().setNominalViewingTransform();
// get the primary view
view = universe.getViewer().getView();
// switch to a parallel projection, which
// is faster for texture mapping
view.setProjectionPolicy(View.PARALLEL_PROJECTION);
view.setBackClipDistance(10000);
universe.addBranchGraph(scene);
canvas.setDoubleBufferEnable(true);
// setup the renderers
renderers = new Renderer[1];
renderers[0] = new Axis2DRenderer(view, context, volume);
// renderers[1] = new Axis3DRenderer(view,
// context, volume);
// renderers[2] = new
// SlicePlane3DRenderer(view, context,
// volume);
// renderers[3] = new
// SlicePlane2DRenderer(view, context,
// volume);
renderer = renderers[rendererAttr.getValue()];
// Add the volume to the scene
clearAttach();
renderer.attach(dynamicAttachGroup, staticAttachGroup);
// Set up the annotations
annotations = new Annotations(view, context, volume);
annotations.attach(dynamicFrontAnnotationSwitch, staticFrontAnnotationSwitch);
annotations.attachBack(dynamicBackAnnotationSwitch, staticBackAnnotationSwitch);
}
private void doUpdate() {
if (restorePending) {
return; // we will get called again
// after the restore is
// complete
}
canvas.stopRenderer();
canvas.setDoubleBufferEnable(doubleBufferAttr.getValue());
if (coordSysAttr.getValue()) {
coordSwitch.setWhichChild(Switch.CHILD_ALL);
} else {
coordSwitch.setWhichChild(Switch.CHILD_NONE);
}
if (getAnnotationsAttr().getValue()) {
staticBackAnnotationSwitch.setWhichChild(Switch.CHILD_ALL);
dynamicBackAnnotationSwitch.setWhichChild(Switch.CHILD_ALL);
staticFrontAnnotationSwitch.setWhichChild(Switch.CHILD_ALL);
dynamicFrontAnnotationSwitch.setWhichChild(Switch.CHILD_ALL);
} else {
staticBackAnnotationSwitch.setWhichChild(Switch.CHILD_NONE);
dynamicBackAnnotationSwitch.setWhichChild(Switch.CHILD_NONE);
staticFrontAnnotationSwitch.setWhichChild(Switch.CHILD_NONE);
dynamicFrontAnnotationSwitch.setWhichChild(Switch.CHILD_NONE);
}
if (perspectiveAttr.getValue()) {
view.setProjectionPolicy(View.PERSPECTIVE_PROJECTION);
} else {
view.setProjectionPolicy(View.PARALLEL_PROJECTION);
}
if (renderer != renderers[rendererAttr.getValue()]) {
// TODO: renderer.clear();
// TODO: handle gui
try {
System.out.println("Clearing Attached : VolRend-doUpdate()");
clearAttach();
} catch (Exception e) {
e.printStackTrace();
}
renderer = renderers[rendererAttr.getValue()];
renderer.attach(dynamicAttachGroup, staticAttachGroup);
}
try {
renderer.update();
annotations.update();
} catch (Exception e) {
e.printStackTrace();
} catch (OutOfMemoryError e) {
JOptionPane.showMessageDialog(
null, "Ran out of memory!", "Render Error", JOptionPane.ERROR_MESSAGE);
}
int newVolEditId;
if ((newVolEditId = volume.update()) != volEditId) {
updateCenter(volume.minCoord, volume.maxCoord);
newVolEditId = volEditId;
}
eyePtChanged();
canvas.startRenderer();
}
@Override
public void transformChanged(int type, Transform3D xform) {
renderer.transformChanged(type, xform);
renderer.eyePtChanged();
annotations.eyePtChanged();
getScaleAttr().set(xform);
getTranslationAttr().set(xform);
getRotationAttr().set(xform);
}
BranchGroup createSceneGraph() {
Color3f lColor1 = new Color3f(0.7f, 0.7f, 0.7f);
Vector3f lDir1 = new Vector3f(0.0f, 0.0f, 1.0f);
Color3f alColor = new Color3f(1.0f, 1.0f, 1.0f);
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
// Create a transform group to scale the
// whole scene
TransformGroup scaleGroup = new TransformGroup();
Transform3D scaleXform = new Transform3D();
double scale = 1;
scaleXform.setScale(scale);
scaleGroup.setTransform(scaleXform);
objRoot.addChild(scaleGroup);
// Create the static ordered group
OrderedGroup scaleOGroup = new OrderedGroup();
scaleGroup.addChild(scaleOGroup);
// Create the static annotation group
staticBackAnnotationSwitch = new Switch();
staticBackAnnotationSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
staticBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_READ);
staticBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_WRITE);
staticBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_EXTEND);
scaleOGroup.addChild(staticBackAnnotationSwitch);
// Create the static attachment group
staticAttachGroup = new Group();
staticAttachGroup.setCapability(Group.ALLOW_CHILDREN_READ);
staticAttachGroup.setCapability(Group.ALLOW_CHILDREN_WRITE);
staticAttachGroup.setCapability(Group.ALLOW_CHILDREN_EXTEND);
scaleOGroup.addChild(staticAttachGroup);
// Create a TG at the origin
objectGroup = new TransformGroup();
// Enable the TRANSFORM_WRITE capability
// so that our behavior code
// can modify it at runtime. Add it to the
// root of the subgraph.
//
objectGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objectGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
scaleOGroup.addChild(objectGroup);
// Create the static annotation group
staticFrontAnnotationSwitch = new Switch();
staticFrontAnnotationSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
staticFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_READ);
staticFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_WRITE);
staticFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_EXTEND);
scaleOGroup.addChild(staticFrontAnnotationSwitch);
// added after objectGroup so it shows up
// in front
// Create the transform group node and
// initialize it center the
// object around the origin
centerGroup = new TransformGroup();
updateCenter(new Point3d(0.0, 0.0, 0.0), new Point3d(1.0, 1.0, 1.0));
centerGroup.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objectGroup.addChild(centerGroup);
// Set up the annotation/volume/annotation
// sandwitch
OrderedGroup centerOGroup = new OrderedGroup();
centerGroup.addChild(centerOGroup);
// create the back dynamic annotation
// point
dynamicBackAnnotationSwitch = new Switch(Switch.CHILD_ALL);
dynamicBackAnnotationSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
dynamicBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_READ);
dynamicBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_WRITE);
dynamicBackAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_EXTEND);
centerOGroup.addChild(dynamicBackAnnotationSwitch);
// create the dynamic attachment point
dynamicAttachGroup = new Group();
dynamicAttachGroup.setCapability(Group.ALLOW_CHILDREN_READ);
dynamicAttachGroup.setCapability(Group.ALLOW_CHILDREN_WRITE);
dynamicAttachGroup.setCapability(Group.ALLOW_CHILDREN_EXTEND);
centerOGroup.addChild(dynamicAttachGroup);
// create the front dynamic annotation
// point
dynamicFrontAnnotationSwitch = new Switch(Switch.CHILD_ALL);
dynamicFrontAnnotationSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
dynamicFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_READ);
dynamicFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_WRITE);
dynamicFrontAnnotationSwitch.setCapability(Group.ALLOW_CHILDREN_EXTEND);
centerOGroup.addChild(dynamicFrontAnnotationSwitch);
// Create the annotations
Annotations annotations = new Annotations(view, context, volume);
annotations.attachBack(dynamicBackAnnotationSwitch, staticBackAnnotationSwitch);
annotations.attach(dynamicFrontAnnotationSwitch, staticFrontAnnotationSwitch);
coordSwitch = new Switch(Switch.CHILD_ALL);
coordSwitch.setCapability(Switch.ALLOW_SWITCH_WRITE);
coordSwitch.addChild(new CoordSys(0.2, new Vector3d(-0.1, -0.1, -0.1)));
centerGroup.addChild(coordSwitch);
BoundingSphere bounds = new BoundingSphere(new Point3d(0.0, 0.0, 0.0), 10000000.0);
FirstFramesBehavior ff = new FirstFramesBehavior(this);
ff.setSchedulingBounds(bounds);
objRoot.addChild(ff);
updateBehavior = new UpdateBehavior();
updateBehavior.setSchedulingBounds(bounds);
objRoot.addChild(updateBehavior);
// ExitKeyBehavior eb = new
// ExitKeyBehavior();
// eb.setSchedulingBounds(bounds);
// objRoot.addChild(eb);
BranchGroup trueRoot = new BranchGroup();
TransformGroup trueTransform = new TransformGroup();
trueTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
trueTransform.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
trueRoot.addChild(trueTransform);
trueTransform.addChild(objRoot);
// MouseTranslate mt = new
// MouseTranslate();
// mt.setupCallback(this);
// mt.setTransformGroup(trueTransform);
// mt.setSchedulingBounds(bounds);
// trueRoot.addChild(mt);
MouseZoom mz = new MouseZoom();
mz.setupCallback(this);
mz.setTransformGroup(trueTransform);
mz.setSchedulingBounds(bounds);
trueRoot.addChild(mz);
MouseRotate mr = new MouseRotate();
mr.setupCallback(this);
mr.setTransformGroup(trueTransform);
mr.setSchedulingBounds(bounds);
mr.setFactor(0.007);
trueRoot.addChild(mr);
// trueTransform.addChild(objRoot);
// trueRoot.addChild(trueTransform);
return trueRoot;
}
