[Tugindia] Drawing a surface with a tangent plane

[Sridhar M.A.]

On Fri, Aug 28, 2009 at 9:58 AM, Kapil Hari Paranjape<kapil at imsc.res.in> wrote:
>
> "povray" is currently not under a free license but this is in the
> process of change.
>
Not an answer to the OP, but remember that yafray is sort of povary
with a free license.

Regards,

-- 
Sridhar M.A.