"John" <jbt### [at] hotmailcom> wrote:
> Hi. I'm a new user to POV and I'm trying to wrap my brain around angled
> planes.  I understand planes such as: plane { y, 4 }, but I'm having
> trouble with a plane such as: plane{ <1,0,-30.4> 0}. Any help would be
> appreciated. Thanks.
>
> John

I'm sure you know this, but the first value in the plane{} statement is a
normal vector, that is that the defined vector is orthogonal to the plane.
If you were to draw a line from the origin to the normal, any line drawn on
the plane would be at 90 degrees from it.  So in your example of
plane{<1,0,-30.4>,0} you'd draw a line from <0,0,0> to <1,0,30.4> and the
plane will be perpendicular to it existing at the origin.  Hope that
helped.

Post a reply to this message