Difference is right. A shift in the light even. At first I thought I was
looking at a window then realized with help of those steps it wasn't.
Otherwise I could have said "What a pale, washed out window there" :)
Really though, there is no colorful intensity, what went wrong? Wait a
minute, you aren't using 'transmit' too are you, instead of just
'filter' alone?


Ken wrote:
> 
> Greetings Pov People,
> 
>  The title of this message comes from an off had comment I made
> yesterday in .general. I mentioned if I ever figured out a way
> to get an image map like a stained glass window to interact with
> media I would patent the process. Wouldn't you know it I achieved
> that goal this evening. It needs refinement but the process works
> as can be seen in the very preliminary example.
> 
>   You should be able to see a light atmospheric haze and the image
> you see is actually projected from off the screen to the right
> across to the opposite wall and steps area. As this took close to
> 8 hrs. to render I am unlikely to pursue this particular image any
> further. It was mostly a proof of concept image and I am more than
> willing to share my work to date with anyone interested in how the
> process works.
> 
>   You will see at about one third the way down the image a streak
> or difference in appearance. This was caused by me from stopping
> the render at that point. I opened the file in the photon patch
> and choose the continue rendering function to compare the behaviour
> between the two versions. Nathan has added a true parallel ray
> function to the cylinder light source which is what I was using
> behind the image map. It is obvious that it has a very different
> effect on the way it interacts with scattering media. I stopped it
> rather quickly after seeing how it looked and finished the render
> in the official build of Pov 3.1. For the amount of time spent
> rendering it was not worth it to start over to remove it plus I
> want Nathan to see the difference as well.
> 
> --
> Ken Tyler
> 
> mailto://tylereng@pacbell.net
> 
>   ------------------------------------------------------------------------
>  [Image]

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