I had a 4400 x 3300 print made of the "final" version of Contemplation, 
and some of the image maps looked really bad, almost as if I had applied 
an ever so slight amount of focal blur -- the resolution of the original 
digital photos wasn't high enough, and there was excessive noise. So I 
started experimenting with isosurfaces and developed quite nice bricks, 
but they were very slow to render with radiosity and I had to make some 
compromises, and even then the rendering time increased from 40h to 58h 
at 4400 x 3300, but IMHO the result looks reasonably good and doesn't 
seem all too artificial -- or does it?

The other change was to cut a hole through the castle window image map 
and to build behind the opening a small room with a light on the wall 
and bars in the window. I had a lot of trouble with the illumination 
because the full-size image doesn't match partial renders at a lower 
resolution, probably due to the very complex radiosity illumination. I'm 
not entirely happy with the present version, but after four full-size 
renders past the window I gave up (it takes about 23 hours to get from 
the top to the window sill, seven hours for the radiosity calculations 
and sixteen to render).

Next week, I'll have another print made in order to see whether any 
further changes need to be done, but in the meantime, there is a new 
1920 x 1440 version at http://galeria.galactinus.org/vilva/room.html

   Veijo

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