Justin & Lee,
Verant had/has a similar problem with Everquest on the Voodoo 3 video
cards. I believe what Justin described is essentially correct - the
board's driver doesn't completely keep track of what textures are used
and sometimes the wrong texture is applied to a piece of geometry. (this
results in some very hilarious displays in Everquest) I do NOT believe
this problem to be related to Java 3D.
Lee, regarding the wire frame, I was reading a text on the subject of
rendering and as I understood it when a triangle falls outside of the
viewing area the geometry is essentially recreated to make new vertices
at the edge of the display (hence a triangle becomes a trapezoid). For
reference read "Real-Time Rendering" by Tomas Moller and Eric Haines
page 16.
- John Wright
Starfire Research
Justin Couch wrote:
>
> "J. Lee Dixon" wrote:
> >
> > Well, the video board (Voodoo3 2000 to be exact) is a 16mb board. I
> > would think at least 8mb is available for textures, maybe more. So it
> > should definitely be able to fit a 4mb texture. I'm not all that
> > concerned because I really shouldn't be using a texture that big, but I
> > can definitely think of apps that would (large terrain textures).
> >
> > I think it is a driver problem. As I mentioned, the textures were
> > sporadically in the wrong places, but random line geometry would also
> > show up. In other words, TOTALLY HOSED UP. ;-%
>
> That's cool. Can you send me all the nitty details as I'll add those to
> the FAQ (unless someone says you've screwed up with versions etc....)
>
> --
> Justin Couch Author, Java Hacker
> http://www.vlc.com.au/~justin/ Java 3D FAQ Maintainer
> http://www.j3d.org/ J3D.org The Java 3D Community Site
> -------------------------------------------------------------------
> "Humanism is dead. Animals think, feel; so do machines now.
> Neither man nor woman is the measure of all things. Every organism
> process 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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