On Mon, 09 Nov 1998 11:07:31 -0500, Greg M. Johnson <> wrote:
>Thanks. 
>I just moved and my hard disk is full to the brim. Wife says no new PC
>until we finish unpacking, ie., 2001. Thus, I'm putting off going to POV
>3.1 for a while.  I understand a bit of matrix algebra, but not the
>following line from the recommended macro.  Is there a 3.02 way to do
>this?  
>
>matrix < vX1.x, vY.x,vZ1.x, vX1.y,vY.y,vZ1.y, vX1.z,vY.z, vZ1.z, 0,0,0 >
>matrix < vX2.x,vX2.y,vX2.z,  vY.x,vY.y, vY.z, vZ2.x,vZ2.y,vZ2.z, 0,0,0 >
>
>Particularly, what does  vX1.x  mean?  The period confuses me.  I
>understand the vcross and vnormalize functions. 
>Thanks again. 

It means "the x component of vX1".  Both of those lines should be legal
POV 3.02 syntax.  But you don't need a new PC, just a new hard drive. :)

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