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First of all ... sorry for my English, I am
spanish!
It is the first time I write to the
list.
I have a question to you:
When I select a WIRE(LINE) or a
POINT view of a visual object, can I modify the pixel size for lines or
points?
Thanks and sorry for my english
please!!
I've attempted as the next example but it doesn't
work: (see where I say Ra�l)
import java.applet.Applet;
import java.awt.BorderLayout; import java.awt.Frame; 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.*; // HelloJava3Dc renders a single,
rotating cube.
public class HelloJava3Dd extends Applet
{
public BranchGroup
createSceneGraph() {
// Create the root of the branch graph BranchGroup objRoot = new BranchGroup(); // rotate object has composited
transformation matrix
Transform3D rotate = new Transform3D(); Transform3D tempRotate = new Transform3D();
rotate.rotX(Math.PI/4.0d);
tempRotate.rotY(Math.PI/5.0d); rotate.mul(tempRotate); TransformGroup objRotate = new
TransformGroup(rotate);
// 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 objSpin = new TransformGroup(); objSpin.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE); objRoot.addChild(objRotate);
objRotate.addChild(objSpin); // Ra�l: I've modified that // Create a simple shape leaf node, add it to the scene graph. // ColorCube is a Convenience Utility class ColorCube Cube = new ColorCube(0.4); Appearance A = new Appearance(); PolygonAttributes PolyAttrib = new PolygonAttributes(); PolyAttrib.setPolygonMode(PolygonAttributes.POLYGON_LINE); A.setPolygonAttributes(PolyAttrib); LineAttributes lineAttrib = new LineAttributes(); lineAttrib.setLineWidth(10.5f); // I expected to see a line so big A.setLineAttributes(lineAttrib); Cube.setAppearance(A); // To here. objSpin.addChild(Cube); // Create a new Behavior object that will
perform the desired
// operation on the specified transform object and add it into // the scene graph. Transform3D yAxis = new Transform3D(); Alpha rotationAlpha = new Alpha(-1, 4000); RotationInterpolator rotator
=
new RotationInterpolator(rotationAlpha, objSpin, yAxis, 0.0f, (float) Math.PI*2.0f); // 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); return objRoot;
} // end of CreateSceneGraph method of HelloJava3Dd public HelloJava3Dd()
{
setLayout(new BorderLayout()); GraphicsConfiguration config = SimpleUniverse.getPreferredConfiguration(); Canvas3D
canvas3D = new Canvas3D(config);
add("Center", canvas3D);
BranchGroup scene = createSceneGraph();
scene.compile(); //
SimpleUniverse is a Convenience Utility
class
SimpleUniverse simpleU = new SimpleUniverse(canvas3D); // This will move the ViewPlatform back a bit
so the
// objects in the scene can be viewed. simpleU.getViewingPlatform().setNominalViewingTransform();
simpleU.addBranchGraph(scene);
} // end of HelloJava3Dd (constructor) // The following allows
this to be run as an application
// as well as an applet public static void main(String[]
args) {
Frame frame = new MainFrame(new HelloJava3Dd(), 256, 256); } // end of main (method of HelloJava3D) } // end of class
HelloJava3Dd
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