|
![](/i/fill.gif) |
Elias Pschernig wrote:
>
> This is maybe a very simple question for some, but I had no luck finding
> the answer with google, so I try it here: If I have a function of 2
> variables, what is the 'normal vector' for a given point (x, y)?
>
I'm not really sure what you mean, the gradient vector is simply the
vector of the partial derivatives. It's identical to the normal of the
isosurface at this point.
Christoph
--
Christoph Hormann <chr### [at] gmx de>
IsoWood include, radiosity tutorial, TransSkin and other
things on: http://www.schunter.etc.tu-bs.de/~chris/
Post a reply to this message
|
![](/i/fill.gif) |