POV-Ray : Newsgroups : povray.binaries.images : Metal texture/normal gurus.. : Re: Metal texture/normal gurus.. Server Time
15 Aug 2024 10:19:53 EDT (-0400)
  Re: Metal texture/normal gurus..  
From: Patrick Dugan
Date: 4 Jul 2002 13:26:07
Message: <3d24852f$1@news.povray.org>
Nevermind.  It finally dawned on me.  If I use the normal map I can specify
the percentage of that dent/bump used.
Thanks!

"Patrick Dugan" <pat### [at] netinsnet> wrote in message
news:3d24846c@news.povray.org...
> Well when I experiment I come up with all sorts of goofy code!  But even
> with a SINGLE normal can't you space out the small dents/bumps?
>
> "Jaime Vives Piqueres" <jai### [at] ignoranciaorg> wrote in message
> news:3d24798d@news.povray.org...
> > Patrick Dugan wrote:
> >
> > >       normal { bumps 1 scale <0.1,0.1,0.3> scale 0.005}
> > >       normal { dents 1 scale <0.01,0.01,0.03> scale 0.005}
> > >    }
> > >
> > > ** Yes I know the double scale commands is a bit silly **
> >
> >   Why? I use multiple scale commands a lot! ;) But multiple normal
> > statements *really* seems silly... only the last counts! :)
> >
> >   To achieve what you want, you need a normal_map with entries at
> different
> > scales. Take a look at the manual (6.7.2.2), and experiment with
different
> > patterns, both for the normal_map pattern and for the map entries.
> >
> >   And don't forget to use HQ antialiasing or focal_blur.... :)
> >
> > --
> > Jaime Vives Piqueres
> >
> > La Persistencia de la Ignorancia
> > http://www.ignorancia.org
>
>


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