> It seems that the way of I used to show more than one View of a universe has
> been
> deprecated, and also broken. Here's what worked in my applet before:
>
> Canvas3D myCanvas3D = new Canvas3D(null);
> add(myCanvas3D);
> Canvas3D rightCanvas3D = new Canvas3D(null);
> add(rightCanvas3D);
> View myView = constructView(myCanvas3D);
> myView.setMonoscopicViewPolicy(View.LEFT_EYE_VIEW);
> View myView2 = constructView(rightCanvas3D);
> myView2.setMonoscopicViewPolicy(View.RIGHT_EYE_VIEW);
> Locale myLocale = constructViewBranch(myView);
> Locale myLocale2 = constructViewBranch(myView2);
> constructContentBranch(myLocale);
>
> Now I get:
>
> "Note: The method void setMonoscopicViewPolicy(int) in class
> javax.media.j3d.View has been deprecated."
>
The new method to use is:
Canvas3D.setMonoscopicViewPolicy()
Attached is an example program showing its use.
Dan Petersen
Java 3D Team
Sun Microsystems
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import java.applet.Applet;
import java.awt.FlowLayout;
import java.awt.event.*;
import java.awt.GraphicsConfiguration;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.ColorCube;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import javax.swing.*;
public class StereoUniverse extends Applet {
private SimpleUniverse u = null;
private BranchGroup scene = null;
public BranchGroup createSceneGraph(int i) {
// Create the root of the branch graph
BranchGroup objRoot = new BranchGroup();
objRoot.setCapability(BranchGroup.ALLOW_DETACH);
TransformGroup objTrans = new TransformGroup();
// Create the TransformGroup node and initialize it to the
// identity. Enable the TRANSFORM_WRITE capability so that
// our behavior code can modify it at run time. Add it to
// the root of the subgraph.
if (i == 0) {
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
objRoot.addChild(objTrans);
}
else {
Transform3D t3d = new Transform3D();
t3d.set(new Vector3d(0.2d, 0.15d, 0.0d));
TransformGroup xlateTrans = new TransformGroup(t3d);
objRoot.addChild(xlateTrans);
objTrans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
xlateTrans.addChild(objTrans);
}
// Create a simple Shape3D node; add it to the scene graph.
objTrans.addChild(new ColorCube(0.4));
// Create a new Behavior object that will perform the
// desired operation on the specified transform and add
// it into the scene graph.
Transform3D yAxis = new Transform3D();
Alpha rotationAlpha = new Alpha(-1, 4000);
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);
objRoot.addChild(rotator);
// Have Java 3D perform optimizations on this scene graph.
objRoot.compile();
return objRoot;
}
public StereoUniverse() {
}
public void init() {
setLayout(new FlowLayout());
GraphicsConfiguration config =
SimpleUniverse.getPreferredConfiguration();
Canvas3D c1 = new Canvas3D(config);
c1.setSize(200, 200);
c1.setMonoscopicViewPolicy(View.LEFT_EYE_VIEW);
add(c1);
Canvas3D c2 = new Canvas3D(config);
c2.setSize(200, 200);
c2.setMonoscopicViewPolicy(View.RIGHT_EYE_VIEW);
add(c2);
// Create a simple scene and attach it to the virtual universe
scene = createSceneGraph(0);
u = new SimpleUniverse(c1);
View view0 = u.getViewer().getView();
View view = new View();
view.setPhysicalBody(view0.getPhysicalBody());
view.setPhysicalEnvironment(view0.getPhysicalEnvironment());
view.attachViewPlatform(u.getViewingPlatform().getViewPlatform());
view.addCanvas3D(c2);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
u.addBranchGraph(scene);
}
public void destroy() {
u.removeAllLocales();
}
//
// The following allows StereoUniverse to be run as an application
// as well as an applet
//
public static void main(String[] args) {
new MainFrame(new StereoUniverse(), 512, 512);
}
}
