Picking should find non-visible geometry. It sounds like you have found a bug. Send us a test case if you can.
Doug. > >I'm stuck. For once I can't work out how to convince Java3D to do >something that I would really like to be able to do. Hopefully someone >has some bright idea that I've missed. > >VRML defines a node called Collision which allows a user to either turn >off collision avoidance/terrain following (it is on by default in VRML) >and/or to provide proxy objects for collision handling. The proxy would >be used to simplify a complex object like a mesh into something simple, >like a box. > >My basic problem is that in Xj3D we do everything through picking. >Navigation is performed using a pick on the rendering scene graph each >frame. This is great when you have real geometry, but when you want to >not use real geometry, but instead use the proxy geometry, things get >complex. I can't seem to find a way of putting the proxy geometry into >the scene and have it be used as the target for picking and not have it >render. From what I can determine, picking only works on objects that >are rendered. For example, if I put in geometry as a proxy and set the >rendering attributes to be not rendered (which is a real pain as the >appearance may be many levels down from the top of the proxy) the >picking seems to fail to find the proxy object. It's hard to tell from >the documentation whether or not this is a good thing. > >Anyone have some insights or pontifications about how to go about this? > >-- >Justin Couch http://www.vlc.com.au/~justin/ >Java Architect & Bit Twiddler http://www.yumetech.com/ >Author, Java 3D FAQ Maintainer http://www.j3d.org/ >------------------------------------------------------------------- >"Humanism is dead. Animals think, feel; so do machines now. >Neither man nor woman is the measure of all things. Every organism >processes data according to its domain, its environment; you, with >all your brains, would be useless in a mouse's universe..." > - Greg Bear, Slant >------------------------------------------------------------------- > >=========================================================================== >To unsubscribe, send email to [EMAIL PROTECTED] and include in the body >of the message "signoff JAVA3D-INTEREST". For general help, send email to >[EMAIL PROTECTED] and include in the body of the message "help". =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA3D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
