> Sounds like you need to set the back clipping distance further.
I detected that dist sometimes calculates a negative distance, setting the
front clipping plane at a minimum of 1 solves the clipping problem, but
the original zbuffer issues still exists.
Desiree
>
> Cheers,
>
> Allistair Crossley
> Web/New Media Consultant
> Logica UK Ltd
> Tel: 02074 463267
> Mob: 07884 056274
>
> -----Original Message-----
> From: Desiree Hilbring [mailto:[EMAIL PROTECTED]]
> Sent: 22 May 2001 11:15
> To: [EMAIL PROTECTED]
> Subject: Re: [JAVA3D] Test program (fwd) for Grafic card question
>
>
> Hi Chris,
>
> I included the below code into my big application, unfortunately then all
> my objects get clipped from time to time during rotation and reappear
> again.
>
> >
> > //get the viewpoint position, calc distance from model
> > (e.g. 0,0,0) and set clip
> > //Vector3d v3d = new Vector3d(0,0,0);
> > trans.get(v3f);
>
> so in v3d are the coordinates from the viewing platform transform, right?
>
>
> > float[] t = {0,0,0};
> > v3f.get(t);
>
> so I do have an float array holding the x,y and z od v3f, but it is not
> used anymore. For what purpose do I have t?
>
>
> could you explain this row to me? Here you are adding the x,y and z
> coordinates of the viewing platform and divide them by 30? Why?
> > float dist = (float)(v3f.x + v3f.y + v3f.z)/30f;
>
>
> Thanks Desiree
> > transGroup.setTransform(trans);
> > thisView.setFrontClipDistance(dist);
> > // end new code
> >
> > in the ViewerNavigationBehavior.
> >
> > I attach the modified files as there are a few parameter changes and such.
> >
> > Chris
> >
> >
> > Hilbring wrote:
> >
> > > Hi,
> > >
> > > I tried to reconstruct a similar scene as in my real application.
> > > In the test program you can rotate and zoom. My problem is the
> > > intersection between the two planes with a front clipping distance of 1,
> > > as I need for the zooming the intesection line is somewhat triangled.
> With
> > > a front clipping distance of 100 it is fine.
> > > So can I adjust the front clipping distance during zooming? Or is there
> a
> > > way setting the clipping distances without this effect?
> > > Or how can I calculate the minimal front clipping distance I need?
> > > In my real Application the user can adjust the view in zooming in to the
> > > box, unfortunately with a clipping distance of 100 the box get clipped
> > > then.
> > >
> > > Thanks for your help Desiree
> > >
> > > PS The Main Class is ZBufferTest.java
> > >
> > > oooooooooooooooooooooooooooooooooooooooooooooooo
> > > Desiree Hilbring
> > >
> > > Institut fuer Photogrammetrie und Fernerkundung
> > > Universitaet Karlsruhe, Germany
> > > email: [EMAIL PROTECTED]
> > > # 0721 6083676
> > > oooooooooooooooooooooooooooooooooooooooooooooooo
> > >
> > >
> ----------------------------------------------------------------------------
> ----------------------------------------------------
> > > Name: zbuffer.zip
> > > zbuffer.zip Type: Zip Compressed Data
> (application/x-zip-compressed)
> > > Encoding: BASE64
> >
> > --
> > ,--_|\
> > / Oz \
> > Chris Thorne :)_.--._/
> > [EMAIL PROTECTED] v
> >
> >
>
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