Terminology... sigh... I'd have to agree more with Lee, Java 3D is a
"high level" rendering API. Although the term "mid level" would be more
appropriate. In Java 3D you can't really get into the really nitty
gritty details and thus it can't be considered "low level".
- John Wright
Starfire Research
Justin Couch wrote:
>
> "J. Lee Dixon" wrote:
> >
> > Justin (and all),
> > I wouldn't really consider Java3D a "low-level" rendering API since you
> > don't really have access to OpenGL calls. A low-level api would let you
> > do have access to the accumulation, stencil, frame and other buffers.
>
> Well that really depends on the definition of low-level too. At the
> moment I would disagree with your classification - and I think that is
> only temporary. Once we get to 1.4 I think that we will have enough
> access to this part of the rendering engine to do those sorts of tasks.
>
> > Really, I consider Java3D a mid- or high-level api since it layers
> > low-level calls beneath the scene graph api.
>
> I really would not consider j3d to be in the high-level category. As
> you've heard me bitching privately over the last week or so, VRML is
> definitely in the high-level category. J3D doesn't even come close to
> the sort of things that VRML allows you to do so simply. Then again, it
> makes it a complete nightmare trying to implement a VRML browser over
> the top of Java3D because of some mismatches in their underlying scene
> models. We'll make it, but I don't know how well the end result will
> perform.
>
> (For info, we have a core profile X3D browser running complete with
> terrain following and collision detection. On a lightly textured world
> with around 40k polygons and 3 lights I'm getting roughly 40fps on an
> 850Mhz laptop with ATI Rage M3 and 256MB ram. The thing that is really
> killing it currently is the collision detection because we are
> allocating and GCing coordinate arrays every frame due to way
> getCoordinates() is implemented).
>
> --
> 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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