Wlodzimierz ABX Skiba wrote:
> 
> Chris Huff wrote in message ...
> >In article <3a1e6b2a@news.povray.org>, "Wlodzimierz ABX Skiba"
> ><abx### [at] abxartpl> wrote:
> >
> > > first I prepare CSG than I declare function{pigment{object{...}}} to
> > > describe interior of it and then I clone this as isosurface.
> > > Isosurface has artifacts even with accuracy 0.00005.
> > > I have calculated value (with eval) of max_gradient as 200000 but
> this
> > > not help.
> >
> > The object pattern has two states: on and off. It doesn't have any
> > "in-between" values. Patterns like this have an infinite gradient, and
> > cause the isosurface algorithm problems. Other patterns that have this
> > problem are checkers, hexagon, brick, and any pigment that has sharp
> > lines.
> 
> I know this but unfortunatly in current (unoficial) state of pov this is
> only way to play with described week ago nonlinear transformations.
> Everything is ok but normals.

The couple of images I posted a few weeks ago didn't use the object
pattern, but proximity.
I don't know if this is what you were talking abut though.

-- 

      __  __ __  __  _
|  | /  \  /  / |_  /  |/
\/\/ \__/ /_ /_ |__ \_ |\

Post a reply to this message