This is something I answered a couple of days ago for someone and I believe
this may be your problem as well...it has to do with clipping distances...
here is what I wrote:



most likely this is due to the back clipping plane distance...you'll have
to reset your views backclip distance: 
     view.setBackClipDistance( 300.0 );

You can also set your front clip distance to bring it close so when you zoom
in you can zoom closer
     view.setFrontClipDistance( 0.1 );

Note: the ratio of the back clip to front clip distances should be about
3000
...I can't remember the reason but this is a recommendation. In reality I 
was able to make these distances bigger so you can try it yourself.

SO, keep adjusting the FRONT and BACK clip planes till you get the desired
effect and still not have issues with your display.


   Mario 

Mariusz Zaczek 
NASA - Johnson Space Center 
Automated Vehicles and Orbit Analysis / DM35 
Flight Design and Dynamics Division 
Mission Operations Directorate 
Bldg: 30A     Room: 3040A

Disclaimer: "The opinions, observations and comments expressed in my email 
             are strictly my own and do not necessarily reflect those of
NASA." 




-----Original Message-----
From: Frank Bellegarde [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, January 28, 2003 2:13 PM
To: [EMAIL PROTECTED]
Subject: [JAVA3D] ViewPlatfotm related problem...


Hi all,

I'm working on a virtal lab that requires the use of
virtual measuring equipments. The the problem is that
i can't get near enough of the target objects: they
disapear as the collide with the viewplatform. I tried
reducing the viewPlaform's transformGroup, wich brings
another problem: far away objects disapear.

Does anyone knows about this?

Thank you

Frank Bellegarde


__________________________________________________________
Lèche-vitrine ou lèche-écran ?
magasinage.yahoo.ca

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