>> > Jaime Vives Piqueres found a way to virtually eliminate radiosity 
>> > tiling
>> > artifacts in his MegaPOV XRS renders. As I recall, he uses a two-pass
>> > method. With a regular copy of MegaPOV he generates the radiosity data 
>> > at
>> > lower resolution and scene complexity. Then, he copies the rad data to 
>> > all
>> > the servers and does a usual XRS distributed render.
>>
>> Yeah, saw the thread. Makes sense, I'll give it a go.

Well tried it and I've ended up with tiling artefacts everywhere. It wasn't 
exactly a complex scene either. Just a room with box walls and ceiling, 
isosurface carpet, high poly mesh armchair, low poly mesh side table and 
CSG'd cone lamp shade. All I did was add the following lines:

#if( GENERATE_RADIOSITY )
    save_file "Sofa-radiosity.rad"
#else
    load_file "Sofa-radiosity.rad"
    //always_sample off
#end

Then ran the first pass GENERATE_RADIOSITY=1 to generate the radiosity file, 
copy file to both PC's, then rendered the scene with GENERATE_RADIOSITY=0. 
Tried with and without "always_sample off" but it made no difference. Will 
playing with other parameters help to reduce the artefacts? e.g. increase 
count, reduce error_bound, etc. Or is this just a problem with radiosity 
that will likely never go away?

Ryan

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