[JAVA3D] Canvas3D native exception

hi,       I design a Observer Pattern to sperate logic and presentation operation about the "Observer" part,     I use a state pattern for change different view with Java3D (class called ""ViewState")     thus, when the logic operation Notify(),     then the Update() would be invoked i

[JAVA3D] Picking, "NoClassDefFoundError" w. "java" command on Windows, appletviewer works

NoClassDefFoundError is given when it can't find the ".class" file. If PickTest.class is in your current directory and : java PickTest gives you the error, then your CLASSPATH is not set to search the current directory. On both Windows and Linux you have to set the CLASSPATH to execute programs

[JAVA3D] Java 3D Application or System Problem

I put java 1.3.1-02 and java 3d 1.3Beta2 onto my friend's PC (Windows 98). Installed O.K. (Wow! That was easy!) Ran Java 3D demos O.K. Then I took an application I developed on my Windows 2000 PC (same Java and Java 3D versions) and copied it to my friend's PC. When I run it with javaw -jar theA