Argh ...
Any hope I can lower these artifact (increasing precision ??) ?
At least you provided me with some kind of work around, I'll color the 
interior with something harder to see than black.

POVComp computer is mine !!!  ;-))

Thanks,

Alain wrote:
> JC (Exether) nous apporta ses lumieres ainsi en ce 2004-12-14 10:03... :
> 
>> Hi,
>>
>> For my PovComp WIP, I'm trying to use blobs as liquid containers. I 
>> have made a little scene to illustrate the problem I have.
>> In this scene you see eight containers, on the right are two CSG 
>> containers to check if the problem appears. On the left you have 3 
>> series of blob container from deep on the right to shallow on the left.
>> They are all filled with liquid, first plane, the containers are 
>> filled with a semi sphere that is a little bigger than the hole (which 
>> is what I would like to do) and second plane, the liquid is 
>> 'differenced' to be a little bit smaller than the hole.
>>
>> As you can see all the first plane blob containers have a line 
>> appearing at the contact between the liquid's surface and the 
>> container. And this line gets thicker as the slope is less steep.
>>
>> Is this a bug ? Is it something I made wrong (I made the code 
>> available) ? Is there any way to avoid it ?
>>
>> Thanks for your help,
>>
>> JC
>>
>> ------------------------------------------------------------------------
>>
> You've been hit by a bad case of 
> ray-misses-the-intersection-between-two-surfaces-and-hit-what's-behind!
> Adding a different interior_textures to each examples give me 6 
> differently coloured areas where you have black.
> My render (raised the camera a bit, no radiosity, interior with ambient 1):
> 
> Alain
> 
> ------------------------------------------------------------------------
>

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