Thankyou.
Reading tutor now.
I have some linear algebra textbooks here, but I'm not good enough to actually
understand anything from it(and I have to finish that class soon. *sigh*)
I'll try the last one.


Rudy Velthuis wrote:
> 
> Spider schrieb in Nachricht <36D99EA7.F4436A97@bahnhof.se>...
> >Another one in this discussion, I have several rotate and a translate, as
> this :
> >
> >
> >rotate <nX,0,0>
> >rotate <0,nY,0>
> >rotate <0,nZ,0>
> >translate <0,nL,0>
> >
> >Now I wonder, is it possible to make this into only one rotate/translate,
> or,
> >even better into a matrix (I don't know the math, I only want to know if it
> is
> >possible, as so far.)
> >If it is possible to make only one matrix, can I combine two of them into
> only
> >one ?? (yes, macro :-)
> 
> Yes, you can, using matrix multiplication. There is a good tutorial
> somewhere on the web (John's Pov Matrix Page:
> http://www.erols.com/vansickl/matrix.htm). I would recommend reading this.
> It's good. You can also find this in any math textbook.
> 
> But you could *propably* just as well combine the rotations like this:
> 
> rotate <nX, nY + nZ, 0>
> translate nL * y
> 
> I think this is the correct order POV-Ray does this.
> --
> Rudy Velthuis

-- 
//Spider 
( spi### [at] bahnhofse ) [ http://www.bahnhof.se/~spider/ ]
#declare life = rand(seed(42))*sqrt(-1);

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