Ron Parker wrote:
> 
> On Tue, 2 Feb 1999 02:38:03 -0500, Mike Metheny <lon### [at] vtedu> wrote:
> >Is there a way to control the angle of a linear_sweep in a prism object?  in
> >AutoCAD this would be equivalent to an extrusion angle, where a 2-d group of
> >joined lines is extruded outward or inward according to a certain angle. .
> >.I feel sure POV has some way to accomodate this but I can't figure out how,
> >from the docs.
> 
> There is no such thing available directly, but you can roll your own
> by using a normal linear_sweep and transforming it by a shear matrix.
> I'll leave the calculation of the requisite matrix to someone else,
> though.  It's too early in the morning and I haven't had my caffeine
> yet. :)

http://www.erols.com/vansickl/matrix.htm  :)

-- 
Ken Tyler

tyl### [at] pacbellnet

Post a reply to this message