Loading Vrml files in Swing using java3d loader
I've got problems loading Vrml files in Swing using java3d vrmlLoader. It seems to be only able to load vrml files that contains simple geometry like squares, cones etc. But when it comes to complicated shapes like IndexedFaceSet, its a blank. Does anyone know why?
What are the points to note when loading vrml files? Doesn't the code:
vrmlLoader = new VRML97Loader(VRML97Loader.LOAD_ALL);
and
scene = vrmlLoader.load(loadUrl);
load the entire vrml file? Is there any comprehensive tutorial or example that I can refer to? The fly through in Java 3d demo is too complicated. I'm still pretty new to this field. Thanks.
Did you download the example VRML file I had listed?
First make sure you test it with that one...it that works
then maybe the VRML file you are using is not version
#VRML V2.0 utf8
...Actually, I think you'd get some parsing error if you
used a VRML v1.0, so that probably is not the issue.
Do you have the vrml97.jar file in you path, maybe?
Check you path in Windows by typing "path" in command window. If you have the vrml97.jar file then
that's cool...if not then you must add it to your path.
OR you can temporarily compile by invoking
the -classpath <path> command....I think you'll have to
do the same when running the code....so do:
javac -classpath PUTPATHHERE TestVrml.java
java -classpath PUTPATHHERE TestVrml
If that doesn't work, do you have Java 3D installed?
just checking...
I'm kind of lost as to what to do beyond that....by the way, I double checked my files and and recompiled and
reran them and they work fine. I've also checked them
on a different computer at work and they work their too.
So, long story short, it's something wrong on your end either with the java install or the vrml97.jar file not being in the path...I don't know much more.
Let me know if anything worked.
Mariusz Zaczek ([email protected])
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/_____________________|
Infopackge1C(Txts)______|
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http://help.sap.com/saphelp_nw2004s/helpdata/en/8f/c08b3baaa59649e10000000a11402f/frameset.htm
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/8da0cd90-0201-0010-2d9a-abab69f10045
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/19683495-0501-0010-4381-b31db6ece1e9
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/36693695-0501-0010-698a-a015c6aac9e1
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/9936e790-0201-0010-f185-89d0377639db
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/3507aa90-0201-0010-6891-d7df8c4722f7
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3D Picture Control Using Solid Works VRML File and Moving Individual Components
Hi, i am new to these forums and am looking for help concerning 3d picture control, i am a undergraduate student doing a second year project to control a 4DoF UAV.
I'm trying to sort out the 3d simulation of it, i have made the solid works drawings and assembly then exported that to a single WRL file (in the correct format ie. ver. 97) however when trying to import that to Labview i am having difficulty setting the relationships so different parts rotate etc. in the assembly.
i'll attach the corresponding example vi from labview and my solid work files.
Any help is very much appreciated
Thanks
Tom
Attachments:
CDEx Draw Helicopter 3D Model.vi 21 KB
WRL and solid work files.zip 4235 KBhi again,
i've tried your suggestion with the naming however, i am using seperate VRML files for the different components and using the main vrml file to control the prent-child relationship etc. however when trying to access that file through labview it can't open it. this is the code within the vrml file
#VRML V2.0 utf8
DEF assembly Transform {
Children [
Inline {
url [" Bottom Base.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Revolve Transform {
Children [
Inline {
url [" Top Base.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Elevation Transform {
Children [
Inline {
url [" Arm Pivot.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Connector Transform {
Children [
Inline {
url [" Rod-Base Connector.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Rod Transform {
Children [
Inline {
url [" Rod.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Roll Transform {
Children [
Inline {
url [" Mount Connector.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Pitch Transform {
Children [
Inline {
url [" Mount Pivot.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Mount Transform {
Inline {
url [" Arm Mount.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Chassis Transform {
Inline {
url [" Chassis.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Gearhead1 Transform {
Inline {
url [" i_gearhead.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Gearhead2 Transform {
Inline {
url [" i_gearhead-1.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Gearhead3 Transform {
Inline {
url [" i_gearhead-2.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Gearhead4 Transform {
Inline {
url [" i_gearhead-3.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Shaft1 Transform {
Inline {
url [" i_shaft.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Shaft2 Transform {
Inline {
url [" i_shaft-1.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Shaft2 Transform {
Inline {
url [" i_shaft-2.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Shaft3 Transform {
Inline {
url [" i_shaft-3.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Prop1 Transform {
Inline {
url [" Propeller.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Prop2 Transform {
Inline {
url [" Propeller-1.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Prop3 Transform {
Inline {
url [" Propeller-2.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Prop4 Transform {
Inline {
url [" Propeller-3.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Shell Transform {
Inline {
url [" Shell.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000
DEF Dome Transform {
Inline {
url [" Dome.wrl "]
bboxSize -1.000000 -1.000000 -1.000000
bboxCenter 0.000000 0.000000 0.000000 -
Creating file browser GUI using java swing tree
Hi all,
I have some questions which i wish to clarify asap. I am working on a file browser project using java swing. I need to create 2 separate buttons. 1 of them will add a 'folder' while the other button will add a 'file' to the tree when the buttons are clicked once. The sample source code known as 'DynamicTreeDemo' which is found in the java website only has 1 add button which is not what i want. Please help if you know how the program should be written. Thx a lot.
Regards,Sorry, don't know 'DynamicTreeDemo'import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.tree.*;
import java.io.File;
public class Test extends JFrame {
JTree jt = new JTree();
DefaultTreeModel dtm = (DefaultTreeModel)jt.getModel();
JButton newDir = new JButton("new Dir"), newFile = new JButton("new File");
public Test() {
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Container content = getContentPane();
newDir.setEnabled(false);
newFile.setEnabled(false);
jt.setShowsRootHandles(true);
content.add(new JScrollPane(jt), BorderLayout.CENTER);
File c = new File("C:\\temp");
DefaultMutableTreeNode root = new DefaultMutableTreeNode(c);
dtm.setRoot(root);
addChildren(root);
jt.addTreeSelectionListener(new TreeSelectionListener() {
public void valueChanged(TreeSelectionEvent tse) { select(tse) ; }
JPanel jp = new JPanel();
content.add(jp, BorderLayout.SOUTH);
jp.add(newDir);
jp.add(newFile);
newDir.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
TreePath tp = jt.getSelectionPath();
if (tp!=null) {
DefaultMutableTreeNode dmtn = (DefaultMutableTreeNode)tp.getLastPathComponent();
File newFile = new File((File)dmtn.getUserObject(),"foo");
if (newFile.mkdir()) {
dmtn.add(new DefaultMutableTreeNode(newFile));
dtm.nodeStructureChanged(dmtn);
} else System.out.println("No Dir");
newFile.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ae) {
TreePath tp = jt.getSelectionPath();
if (tp!=null) {
DefaultMutableTreeNode dmtn = (DefaultMutableTreeNode)tp.getLastPathComponent();
File newFile = new File((File)dmtn.getUserObject(),"foo.txt");
try {
if (newFile.createNewFile()) {
dmtn.add(new DefaultMutableTreeNode(newFile));
dtm.nodeStructureChanged(dmtn);
} else System.out.println("No File");
catch (java.io.IOException ioe) { ioe.printStackTrace(); }
setSize(300, 300);
setVisible(true);
void select(TreeSelectionEvent tse) {
TreePath tp = jt.getSelectionPath();
newDir.setEnabled(false);
newFile.setEnabled(false);
if (tp!=null) {
DefaultMutableTreeNode dmtn = (DefaultMutableTreeNode)tp.getLastPathComponent();
File f = (File)dmtn.getUserObject();
if (f.isDirectory()) {
newDir.setEnabled(true);
newFile.setEnabled(true);
void addChildren(DefaultMutableTreeNode parent) {
File parentFile = (File)parent.getUserObject();
File[] children = parentFile.listFiles();
for (int i=0; i<children.length; i++) {
DefaultMutableTreeNode child = new DefaultMutableTreeNode(children);
parent.add(child);
if (children[i].isDirectory()) addChildren(child);
public static void main(String[] args) { new Test(); }
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