Re: [JAVA3D] Viewing and Objects......help!!

[HENG,VEASNA (HP-Corvallis,ex1)]

You should not use the TG under the viewing subgraph to add 3D content. You
need to create a content subgraph with a BG node at its root and a TG (root
TG) below it. Then each of your 3D objects should be a subgraph that
consists of:


                        BG
                          |
                        TG (optional but a must if you want to manipulate
objects individually)
                         |
                        Shape3D (or its derivatives)

Now add it as a child of the root TG.

Hope this helps.

-Veasna

 -----Original Message-----
From:   Paraskevas Orfanides [mailto:[EMAIL PROTECTED]]
Sent:   Thursday, April 19, 2001 9:10 AM
To:     [EMAIL PROTECTED]
Subject:        Re: [JAVA3D] Viewing and Objects......help!!

If the only problem is that you can only add branchgroups, then why don't
you just create a branchgroup, say bg, add your transform group with the
object to bg, and then add bg to the viewplatform's transform?
It works for adding new objects to a live/compiled branchgroup, it will
probably work here, too.
Paraskevas

--- Sackmunky <[EMAIL PROTECTED]> wrote:
> Ok, I am using a SimpleUniverse.
> I want to get the viewPlatform = vp = universe.getViewingPlatform();
> I wnat to get the Transform = ViewTransform =
> vp.getViewPlatformTransform();
>
> Now I want to add the Geometry to it, but I cant cause only BranchGroups
> can
> be added.
> I also tried setting the PlatformGeometry of the viewingPlatform and
> nothing
> happens.
>
> Should I go ahead and use VirtualUniverse.........blah.
>
> Zak
> ----- Original Message -----
> From: "Justin Couch" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Thursday, April 19, 2001 9:18 AM
> Subject: Re: [JAVA3D] Viewing and Objects......help!!
>
>
> > > Sackmunky wrote:
> >
> > > Can I place a box in the scene, (kinda like a layer), that no matter
> > > where I look, It will stay in the same place?
> >
> > This technique is usually termed a HUD - Head Up Display.
> >
> > The easiest, though probably not the prettiest way, to do this is to
> > keep the geometry in the same branch of the scenegraph as your
> > ViewPlatform. Say you have something like:
> >
> >     Universe
> >        |
> >     Locale
> >        |--------------+
> >       BG             BG
> >        |              |
> >     Your world       TG
> >                       |-----------------+
> >                  ViewPlatform          Box &
> >                                    Other "static"
> >                                       geometry
> > --
> > Justin Couch                         http://www.vlc.com.au/~justin/
> > Freelance Java Consultant                  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
> > -------------------------------------------------------------------
> >
> >
>
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>
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