> LightBeam napsal(a):

>>> I am. Please post the wall/floor code (except the pigment)
>>
>> The camera :
>>
>> camera {location <0.0, 1.5, -4.0> look_at y*1.1
>>  right x*image_width/image_height
>> }
>>
>> The "wall"
>>
>> // To be improved... ?!
>> // Large size for far reflections (for my example)
>> union {
>>  difference {
>>   box {<-1000.0, -1.0, -10000.0><1000.0, 5.0, 10.0>}
>>   cylinder {<-100.1, 5.0, 5.0><1000.1, 5.0, 5.0>5.0}
>>   box {<-1000.1, 0.0, -10000.1><1000.1, 10.1, 5.0>}
>>  }
>>  box {<-1000.0, 5.0, 10.0><1000.0, 15.0, 10.1>}
>>  // pigment, finish... etc.
>> }
>>
>> Additional rule :
>> - Squared image size (mine was 777*777)
> Thanks a lot. Would it be possible to convert to an infinite version 
> (using a plane and shapes.inc/cylinder)? It seems very possible. Should 
> I do?
> 
Of course.

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