|
|
The two-dimension vector bug is well known (but for some reason not yet
fixed). I am not familear with problems with dimensions greater than
three, though. Could you provide details?
-Nathan Kopp
Dan Connelly wrote:
>
> There is a bug in the vector code for dimensions other
> than 2. This is a known, and long time, problem. I've
> played around with the source code a bit in an attempt
> to find the error -- it's clear it is getting confused
> about the dimensionality of the vector (in the case
> of 2-d), but I didn't find the precise error.
>
> A manifestation of this is the following won't work :
>
> #declare UV = <1, 2>;
> #declare V = uv.v;
>
> For dimension larger than 3, there are other problems.
>
> Dan
>
> P.S. I believe I've seen the correction posted somewhere,
> but I am not sure where.
>
> Sally Rothenberg wrote:
> >
> > Jeffrey,
> >
> > I'm not sure this is the same problem but I noticed I can't seem to write to
> > a single
> > element in my UV lattice (2 dim array) of vectors, although I can read:
> >
> > #local nx = clat[U][V].x;
> >
> > My workaround was:
> >
> > #local clat[U][V] = <cc+1,0,0>;
> >
> > If you are initializing in a nested loop, you might try:
> >
> > #local clat[U][V] = <xvalue,yvalue,zvalue>;
> >
> > If this has something to do with my using version 3.1 rather than 3.1a, I'd
> > sure like to
> > know about it !
> >
> > Hope this helps,
> > Sally
> >
> > Jeffrey H. Zimmer wrote in message <3629c15f.0@news.povray.org>...
> > >Downloaded and began playing with 3.1 recently. The new arrays look like a
> > >great addition (not to mention the new editor). However I'm having
> > problems
> > >initializing a two-dimensional array (128 x 128) with vectors using a
> > nested
> > >while loop (one for x, the other for y). Has anyone else dealt with this?
> > >
> > >Thanks,
> > >Jeff
> > >
> > >
>
> --
> http://www.flash.net/~djconnel/
Post a reply to this message
|
|