Hi Cyril,
Can you please send us a complete test program for
investigation ? Attach is a program that change
the polygon mode of a triangle when user select
the choice box. It works fine using v1.2.1.
Thanks.
- Kelvin
-------------
Java 3D Team
Sun Microsystems Inc.
>MIME-Version: 1.0
>Date: Fri, 16 Mar 2001 14:16:18 +0100
>From: BRANDY Cyril <[EMAIL PROTECTED]>
>Subject: [JAVA3D] Java3D v1.2 vs v1.2.1
>To: [EMAIL PROTECTED]
>
>Hi,
>
>When i use the new version of Java3D (1.2.1) i have problems to change the
>appearance of my geometry : i can't change the PolygoneMode (FILL, LINE,
>POINT)
>And the lighting is very strange.
>
>With Java3D 1.2 everything works fine.
>
>Does anybody have an idea of what happening ?
>
>Thanks.
>
>Here's my code :
>To setup the appearance
> //Apparence
> Appearance a = new Appearance();
> a.setCapability(Appearance.ALLOW_POLYGON_ATTRIBUTES_WRITE);
> a.setCapability(Appearance.ALLOW_POLYGON_ATTRIBUTES_READ);
>
> a.setCapability(Appearance.ALLOW_MATERIAL_WRITE);
> a.setCapability(Appearance.ALLOW_MATERIAL_READ);
>
> a.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_WRITE);
> a.setCapability(Appearance.ALLOW_COLORING_ATTRIBUTES_READ);
>
> a.setCapability(Appearance.ALLOW_POLYGON_ATTRIBUTES_WRITE);
> a.setCapability(Appearance.ALLOW_POLYGON_ATTRIBUTES_READ);
>
> PolygonAttributes pa = new PolygonAttributes();
> pa.setCullFace(PolygonAttributes.CULL_NONE);
> pa.setCapability( PolygonAttributes.ALLOW_CULL_FACE_READ );
> pa.setCapability( PolygonAttributes.ALLOW_CULL_FACE_WRITE );
> pa.setCapability( PolygonAttributes.ALLOW_MODE_READ );
> pa.setCapability( PolygonAttributes.ALLOW_MODE_WRITE );
> pa.setCapability( PolygonAttributes.ALLOW_NORMAL_FLIP_READ
>);
> pa.setCapability( PolygonAttributes.ALLOW_NORMAL_FLIP_WRITE
>);
> pa.setCapability( PolygonAttributes.ALLOW_OFFSET_READ );
> pa.setCapability( PolygonAttributes.ALLOW_OFFSET_WRITE );
>
> pa.setPolygonMode(PolygonAttributes.POLYGON_LINE);
> pa.setBackFaceNormalFlip(true);
>
> a.setPolygonAttributes(pa);
> shape.setAppearance(a);
>
>To change the appearance :
>
> public void setRenderMode(int mode) {
> if (mode==SceneElement.LINE) {
>
>shape.getAppearance().getPolygonAttributes().setPolygonMode(PolygonAttribute
>s.POLYGON_LINE);
> }
> else if (mode==SceneElement.FILL){
>
>shape.getAppearance().getPolygonAttributes().setPolygonMode(PolygonAttribute
>s.POLYGON_FILL);
> }
> else if (mode==SceneElement.POINT){
>
>shape.getAppearance().getPolygonAttributes().setPolygonMode(PolygonAttribute
>s.POLYGON_POINT);
> }
>
> }
>
>Cyril BRANDY
> <<...OLE_Obj...>>
>*: 33 (5) 05.61.18.43.73
>* : 33 (5) 05.61.18.64.17
>* : [EMAIL PROTECTED]
>
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/*
* "@(#)PolygonAttributesTest.java 1.2 00/06/12"
*
* Copyright (c) 1996-1999 Sun Microsystems, Inc. All Rights Reserved.
*
* Sun grants you ("Licensee") a non-exclusive, royalty free, license to use,
* modify and redistribute this software in source and binary code form,
* provided that i) this copyright notice and license appear on all copies of
* the software; and ii) Licensee does not utilize the software in a manner
* which is disparaging to Sun.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING ANY
* IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR
* NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN AND ITS LICENSORS SHALL NOT BE
* LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING
* OR DISTRIBUTING THE SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR ITS
* LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT,
* INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER
* CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF
* OR INABILITY TO USE SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* This software is not designed or intended for use in on-line control of
* aircraft, air traffic, aircraft navigation or aircraft communications; or in
* the design, construction, operation or maintenance of any nuclear
* facility. Licensee represents and warrants that it will not use or
* redistribute the Software for such purposes.
*/
import java.applet.Applet;
import java.awt.*;
import java.awt.event.*;
import com.sun.j3d.utils.applet.MainFrame;
import com.sun.j3d.utils.geometry.*;
import com.sun.j3d.utils.universe.*;
import javax.media.j3d.*;
import javax.vecmath.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.border.*;
import com.sun.j3d.utils.behaviors.mouse.*;
public class PolygonAttributesTest extends JApplet
implements ActionListener {
PolygonAttributes pa;
JComboBox pMode;
JComboBox pCullFace;
JCheckBox pNormalFlip;
JTextField pOffset;
JTextField pOffsetFactor;
BranchGroup createSceneGraph() {
BranchGroup objRoot = new BranchGroup();
Appearance app = new Appearance();
pa = new PolygonAttributes();
pa.setCapability(PolygonAttributes.ALLOW_CULL_FACE_READ);
pa.setCapability(PolygonAttributes.ALLOW_CULL_FACE_WRITE);
pa.setCapability(PolygonAttributes.ALLOW_NORMAL_FLIP_READ);
pa.setCapability(PolygonAttributes.ALLOW_NORMAL_FLIP_WRITE);
pa.setCapability(PolygonAttributes.ALLOW_MODE_READ);
pa.setCapability(PolygonAttributes.ALLOW_MODE_WRITE);
pa.setCapability(PolygonAttributes.ALLOW_OFFSET_READ);
pa.setCapability(PolygonAttributes.ALLOW_OFFSET_WRITE);
pa.setPolygonOffset(-0.2f);
pa.setPolygonOffsetFactor(-0.3f);
app.setPolygonAttributes(pa);
TriangleArray tri1 = new TriColorTranslate(1.0f, 0.0f, 0.0f,
0.0f, 0.0f, 0.0f);
TriangleArray tri2 = new TriColorTranslate(0.0f, 0.0f, 1.0f,
0.0f, 0.0f, 0.0f);
Shape3D shape1 = new Shape3D(tri1, app);
Shape3D shape2 = new Shape3D(tri2, null);
Transform3D t = new Transform3D();
// move the object upwards
t.set(new Vector3f(0.0f, 0.3f, 0.0f));
// Shrink the object
t.setScale(0.6);
TransformGroup trans = new TransformGroup(t);
trans.setCapability(TransformGroup.ALLOW_TRANSFORM_WRITE);
trans.setCapability(TransformGroup.ALLOW_TRANSFORM_READ);
trans.addChild(shape1);
// offset the second shape a little bit
t.setIdentity(); // we can reuse Transform3D
// t.set(new Vector3f(0.0f, 0.3f, 0.0f));
TransformGroup trans2 = new TransformGroup(t);
trans2.addChild(shape2);
trans.addChild(trans2);
objRoot.addChild(trans);
BoundingSphere bounds =
new BoundingSphere(new Point3d(0.0,0.0,0.0), 100.0);
// Create the drag behavior node
MouseRotate behavior = new MouseRotate();
behavior.setTransformGroup(trans);
trans.addChild(behavior);
behavior.setSchedulingBounds(bounds);
// Create the zoom behavior node
MouseZoom behavior2 = new MouseZoom();
behavior2.setTransformGroup(trans);
trans.addChild(behavior2);
behavior2.setSchedulingBounds(bounds);
// Create the zoom behavior node
MouseTranslate behavior3 = new MouseTranslate();
behavior3.setTransformGroup(trans);
trans.addChild(behavior3);
behavior3.setSchedulingBounds(bounds);
// Let Java 3D perform optimizations on this scene graph.
objRoot.compile();
return objRoot;
}
public PolygonAttributesTest() {
Container contentPane = getContentPane();
Canvas3D c = new Canvas3D(SimpleUniverse.getPreferredConfiguration());
BranchGroup scene = createSceneGraph();
// SimpleUniverse is a Convenience Utility class
SimpleUniverse u = new SimpleUniverse(c);
// This will move the ViewPlatform back a bit so the
// objects in the scene can be viewed.
u.getViewingPlatform().setNominalViewingTransform();
u.addBranchGraph(scene);
// Create GUI
JPanel panel = new JPanel();
BoxLayout boxlayout = new BoxLayout(panel,
BoxLayout.Y_AXIS);
panel.setLayout(boxlayout);
panel.add(createAttributesPanel());
panel.add(createOffsetPanel());
contentPane.add("South", panel);
// create menu bar
JMenuBar mb = new JMenuBar();
// since Canvas3D is heavy weight,
// the menu will hidden behind it if not set this
JPopupMenu.setDefaultLightWeightPopupEnabled(false);
JMenu fileMenu = new JMenu("File");
JMenuItem exitItem = new JMenuItem("Exit");
fileMenu.add(exitItem);
mb.add(fileMenu);
getRootPane().setJMenuBar(mb);
exitItem.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
contentPane.add("Center", c);
}
JPanel createAttributesPanel() {
JPanel panel = new JPanel();
panel.setBorder(new TitledBorder("Polygon Attributes"));
String mode[] = {"POLYGON_POINT", "POLYGON_LINE", "POLYGON_FILL"};
pMode = new JComboBox(mode);
pMode.addActionListener(this);
pMode.setSelectedIndex(pa.getPolygonMode());
String cullFace[] = {"CULL_NONE", "CULL_BACK", "CULL_FRONT"};
pCullFace = new JComboBox(cullFace);
pCullFace.addActionListener(this);
pCullFace.setSelectedIndex(pa.getCullFace());
panel.add(new JLabel("Mode"));
panel.add(pMode);
panel.add(new JLabel("Cull Face"));
panel.add(pCullFace);
pNormalFlip = new JCheckBox("BackFaceNormalFlip",
pa.getBackFaceNormalFlip());
pNormalFlip.addActionListener(this);
panel.add(pNormalFlip);
return panel;
}
JPanel createOffsetPanel() {
JPanel panel = new JPanel();
panel.setBorder(new TitledBorder("Polygon Offset"));
pOffset = new JTextField(pa.getPolygonOffset()+"", 3);
pOffset.addActionListener(this);
panel.add(new JLabel("Offset"));
panel.add(pOffset);
pOffsetFactor = new JTextField(pa.getPolygonOffsetFactor()+"",
3);
pOffsetFactor.addActionListener(this);
panel.add(new JLabel("Offset Factor"));
panel.add(pOffsetFactor);
return panel;
}
public void actionPerformed(ActionEvent e) {
Object target = e.getSource();
if (target == pMode) {
pa.setPolygonMode(pMode.getSelectedIndex());
}
else if (target == pCullFace) {
pa.setCullFace(pCullFace.getSelectedIndex());
}
else if (target == pNormalFlip) {
pa.setBackFaceNormalFlip(pNormalFlip.isSelected());
}
else if (target == pOffset) {
try {
pa.setPolygonOffset(Float.parseFloat(pOffset.getText()));
} catch (NumberFormatException ex) {
pOffset.setText(pa.getPolygonOffset()+"");
}
}
else if (target == pOffsetFactor) {
try {
pa.setPolygonOffsetFactor(
Float.parseFloat(pOffsetFactor.getText()));
} catch (NumberFormatException ex) {
pOffsetFactor.setText(pa.getPolygonOffsetFactor()+"");
}
}
}
public static void main(String[] args) {
Frame frame = new MainFrame(new PolygonAttributesTest(), 500, 500);
}
}
