I have calculate a serie of view factors for a given geometry and its sum is aproximately one but not exactly.
My values are:
0,1134 0,1307 0,2446 0,12393 0,115053 0,010084 0,007334 0,1071 0,0145 0,0128 0,0919 0,01675 0,00463 0,00344
The sum now is equal...