Jan, it might be I have to ask you to give me a sample canvas. I was reading 
the link you provided, but this all sounds a bit Chinese to me. I never used 
those techniques before, not even the NORMAL feature.

All I know is, that I would go for the small scale (0.001), since I need a 
high antialiasing and a high speed.

Thanks a lot, I appreciate your help very much! Shall I name one of these 
wicked vintage airplanes with your name?

Here the canvas box and a thin wooden board behind.

box
{
  < -10.0, -1.0, 0.0 > < 10.0, 1.0, 0.005 >
  ...
}

box
{
  < -10.0, -0.025, 0.005 > < 10.0, 0.025, 0.055 >
  ...
}

Greetings,

Sven






"Jan Dvorak" <jan### [at] centrumcz> schrieb im Newsbeitrag 
news:47bb4f1f@news.povray.org...
> Sven Littkowski napsal(a):
>> Thanks, Jan, Nicolas 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 (corrected version):
>>
>> box
>> {
>>  < -10.0, -1.0, 0.0 > < 10.0, 1.0, 0.005 >
>>  ...
>> }
>>
>> Let's assume the the name for the canvas texture graphic file would be
>> "Canvas.png".
>>
>> Thanks for your help again,
>>
>> Sven
>>
>>
>>
> see http://tag.povray.org/povQandT/languageQandT.html#blurredreflection
> I haven't tried it myself but I could if you want me to.

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