Alain <aze### [at] qwertyorg> wrote:

> > Hi, I'm really stumped about this error
> >
> >      cone
> >      {
> >          <0,1,0>, 4,<0,1,0>, 0
> >          //Texture {Polished_Chrome}
> >      }
> >
> > the yellow line highlights the closing accolade, after //ing the texture line
> > (the error first appeared on that line)
> >
> >      I've swapped the radii of the 2 caps (swapped the 4 and 0), to no avail.
> >
> >      (Using povray 3.6 for Windows)
> >
> >
>
> The error message is about a "degenerate" cone or cylinder.
> That means that both ends are at the same location. In that case, it
> becomes impossible to know the orientation of the end surfaces.
>
> Also, "Texture" is a user variable while "texture" is a reserved
> keyword. It Texture have not been created in a #declare or #local, you
> get an error for an undeclared variable.
>
> What you must do is to make sure that the end positions are different.
> If you realy want a zero length cone or cylinder, you should use the
> disk object:
>
> disk{<0,1,0>, Orientation, 4 [,Hole_Radius]texture{Polished_Chrome}}
> "Orientation" is the direction of a line prependicular to the disk's
> surface.
>
>
> Alain

Boy do I feel dumb about the 0-length cone! Thankd for being so kind to point it
out politely, everyone!

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