Thanks, Jan and Alain! I appreciate your help a lot!

I use POV-Ray since around 1993 or so. Long time. But I used, up to now, 
only relatively simple techniques. I would like to ask you two to give me 
some sample code for a basic box, which should have these attributes. The 
reason is, I was reading your suggestions but still don't know, how to 
follow them up.

Let it be a thin sample box, resembling some canvas:

box
{
 < 0.0, 0.0, 0.0 > < 0.0, 0.0, 0.0 >
 ...
}

Let's assume the the name for the canvas texture graphic file would be 
"Canvas.png".

Thanks for your help again,

Sven





"Sven Littkowski" <sven [] jamaica-focus [] com> schrieb im Newsbeitrag 
news:47baa43d$1@news.povray.org...
> Hi,
>
> who can consult me? I want to create a scene named "The Magnificent men in 
> their Flying Machines", which contains a number of wicked airplanes and 
> want-to-be-airplanes. Most of them have canvas over the wooden framework.
>
> While I have already a graphic file I can use for the canvas texture, I am 
> still in need of some consulting: the cancvas you get to see on vintage 
> airplanes is slightly transluscent, means, if you see such an airplane in 
> the air and you're below it, through the sunlight you can get an idea of 
> the wooden framework below the canvas. I need your advices how best to 
> achieve such an effect. To make it even a bit more difficult, the canvas 
> seems to blur the edges of the wooden framwork below it, in its slightly 
> transluscent effect. How to achieve that little blur effect?
>
> Thanks,
>
> Sven
>

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