On Thu, 8 Mar 2001, Yazel, David J. wrote:
> Could it be clipping? "corners of boxes disappearing" sure sounds like a
> clipping problem.
It could be I am not sure, I was just wondering about clipping how it
could create such an effect, like in the attached screenshot. Why can I
see the above box and some boxes underneath but sometimes not the boxes in
beetween?
I think I am not resetting the clipping planes, when I am rotating, can
this cause the problem?
The values of the clipping plane in the screenshot are:
front 0.026723915100097657 back 66.80978775024414 ratio 2500.0
thanks Desiree
> > Regards,
>
> Dave
>
> -----Original Message-----
> From: Desiree Hilbring [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, March 08, 2001 9:54 AM
> To: [EMAIL PROTECTED]
> Subject: Re: [JAVA3D] problem with rendering
>
>
> > Hi Desiree,
> > I would suggest you to use TriangleStripArray. Rgds, ....|:0).
>
> ok, i switched to TriangleStripArrays, but it does not help, the effect is
> the
> same. Any other ideas?
>
> Thanks Desiree
> >
> > Desiree Hilbring schrieb:
> >
> > > Hi everybody,
> > >
> > > I created an object, consisting of several smaller boxes, created by
> > > QuadArrays. The problem arises, when I try to rotate the box, then I get
> > > some really strange rendering results. The edges of the objects are cut
> of
> > > or
> > > some, not all, of the smaller boxes are not displayed.
> > >
> > > I searched in the archives and found a mail from Daniel Selman, in
> > > which he is describing a problem with QuadArray. Can this have something
> > > to do with my problem, since my boxes are created with QuadArrays?
> > >
> > > To add my opinion about Java3D. I had no knowledge about 3D Graphics in
> > > computer science at all, before I tried Java3D. Thats why I am asking
> > > ignorant questions. But with the help of the tutorial and this
> newsgroup,
> > > I was able to get my still simple application working. I guess it will
> > > become harder, when I try more complicated things.
> > >
> > > Thanks for your help.
> > >
> > > Desiree
> > >
> > > You can find the mail of Daniel Selman in
> > > the archives.
> > >
> > > Date: Sat, 18 Sep 1999 11:44:11 -0300
> > > From: Daniel Selman <[EMAIL PROTECTED]>
> > > Subject: All QuadArrays disappear when 0,0,0 not in view?
> > >
> > > My original post:
> > >
> > > Hello everybody,
> > >
> > > I have a Quader, which consists from several layers of Shape3D. When I
> try
> > > to rotate the object I get strange rendering results. I am attaching 3
> > > screenshots, the first is the quader I would love to see all the time.
> The
> > > other are the effects I do not understand. First I thougth it might has
> > > something to do with the front an back clipping distances, but these are
> > > the values for the screenshot examples:
> > >
> > > front 0.026723915100097657 back 66.80978775024414 ratio 2500.0
> > >
> > > What is causing this effect?
> > >
> > > Thanks for your help in advance.
> > >
> > > Desiree
> > >
> > >
> o------------------------------------------------------------------------o
> > > | Desiree Hilbring Institut fuer Photogrammetrie und Fernerkundung
> |
> > > | Universitaet Karlsruhe, Germany
> |
> > > |
> |
> > > | email: [EMAIL PROTECTED]
> |
> > > | # 0721 6083676
> |
> > >
> o------------------------------------------------------------------------o
> > >
> > >
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> >
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quader.jpg
quaderlayer.jpg
