If someone ever asks about textures in POV-Ray these images would be a
great asset to help explain the difficulty in getting desired results in
such textures as those which contain filter and/or transmit.
Problem is that there are so many combinations, graphing them all would be
tedious if not impossible. Have you considered animating these? Then a
range of base colors could be seen incrementaly on a frame by frame basis,
essentially producing dozens of charts in a single animation.


Steve wrote:
> 
> I think I'm loosing it.
> 
> The last post of yours I put in my NG/Uitls-Crack folder, but
> this one totally baffles me.
> 
> Thank you for all the work that you have put into these
> experiment's, I'm sure that it will help many of us progress more
> steadily than we would have done without this valuable
> information.
> 
> Cheers
> Steve
> 
> Andrew Woodfin wrote:
> >
> >     One more. Sorry about the filesize but tighter jpeg compression really
> > gummed the image up. This time the background is pure green and pure red, with
> > pure red spheres (e.g., pure red=rgb<1,0,0>). This helps to show the effect,
> > note where f=1.0 and t=0.0, the green checks are black since no green is
> > transmitted, but the red checks are indistinguishable from the rest of those in
> > the plane.
> >     Also of interest is the top right corner, where both values = 1.0; the red
> > value is intensified since the transmission imparted by each value adds.
> >     I apologize for the pattern's harshness to the eye, but it's more for
> > instruction than aesthetics. Also, the source is posted in p.t.s-f if anyone is
> > interested.
> >
> > Andy
> >
> > bankspad wrote:
> >
> > > Very cool, indeed. This is such a help, thanks for doing this.   ;-]
> > >
> > > KB-
> > >
> >
> > --
> >
> > --------------------
> > "There are three men in a boat with four cigarettes but no matches.
> > How do they smoke??"
> >   -The Riddler
> >
> > Andrew Woodfin
> > UNC Charlotte Center for Precision Metrology
> > adw### [at] unccedu | http://www.coe.uncc.edu/+AH4-adwoodfi
> > --------------------
> >
> >   -----------------------------------------------------------------
> >  [Image]

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