POV-Ray : Newsgroups : povray.binaries.images : Counting the Chips. : Re: Counting the Chips. Server Time
4 Oct 2024 17:16:29 EDT (-0400)
  Re: Counting the Chips.  
From: Bob Hughes
Date: 10 Mar 1999 17:14:40
Message: <36E6EE85.4ACF1FCA@aol.com>
Abbacus02.JPG is what should be there it says. I've seen this happen
before, maybe the file doesn't get encoded right or partially uploaded?


Josh English wrote:
> 
> I'm getting a missing picture link (question mark) and I'm using Netscape 4.5, so
HTML isn'tthe
> problem. Try attaching the image instead
> 
> Josh
> 
> Ken wrote:
> 
> > Steve wrote:
> > >
> > > This is going to be part of a larger scene.  The abbacus looks better by itself
just as a close
> > > up.
> > >
> > > I had some major problems with the chips, because I wasn't sure on what
orientation I was going
> > > to want them to have I made the whole object, used a cylinder on each face of
the chip in a
> > > difference to give the indented effect and to put the chequered pattern in the
middle of the
> > > chip.  I decided that I wanted to be able to see the original colour of the chip
through the
> > > chequered pattern so filtered the pigments that made up the chequered pattern
and hey presto, a
> > > disaster.  When I do this you can see right through the chip, as though there is
none of the
> > > original material in the object between the chequered patterns on each side of
the chip.
> > >
> > > Any suggestions?
> > >
> > > Steve[Image]
> >
> >   Something is wrong with your post I'm afraid. The image did not appear
> > and I presume you used html instead of plain text. A lot of people here
> > have problems with html so you might try plain text in these groups.
> >
> >   Anyway there are two ways of using a clear or semitransparent pigment.
> > The first method is to use them to make clear areas in an object like if
> > you had a candy cane but one stripe is solid red and the other is clear
> > like glass. You would see through the object where the clear area is.
> > If you apply a clear pigment over a solid pigment it will apply the
> > attributes of the clear pigment to the layer below it.
> >
> >   For example:
> >
> > sphere{
> >  texture{
> >   pigment{Red}
> >   pigment{rgbf<1,1,1,.5} // White filtered by 0.5
> >  }
> > }
> >
> > That will give you unfortunatly a semi-clear sphere the red not showing
> > much and the White not very visible either.
> >
> > To get around that you need to use two texture statements each
> > with it's own pigment like this example using the above pigments:
> >
> > sphere{
> >   texture{
> >    pigment{Red}
> >   }
> >
> >  texture{
> >   pigment{rgbf<1,1,1,.5}
> >  }
> > }
> >
> > This example will add kind of a haze to the red texture above but the
> > red will be very visible regardless. This is the way that all of the
> > fancy multilayered textures work. You just have to remember to apply
> > transperent pigment layers as seperate textures and not applied dirrctly
> > over each other or they will add thear filter value to the layer below it.
> >
> > It's also ok to declare a texture with two or more texture statements.
> >
> > #declare Mytex=
> >   texture{pigment{Red}}
> >   texture{pigment{rgbf .7}}
> >   texture{pigment{rgbf .8}}
> >   texture{pigment{rgbf .9}}
> >
> > Even though there are four textures there when you use Mytex
> > Pov will treat it as one texture.
> >
> > If you made all of the layers of Mytex with some filter amount you
> > could even use more than one layer of the texture Mytex on itself.
> >
> >  sphere{
> >    texture{Mytex scale 0.5}
> >    texture{Mytex scale 1.5 rotate 90*y}
> >  }
> >
> > --
> > Ken Tyler
> >
> > mailto://tylereng@pacbell.net

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