puts "========"
puts "OCC61"
puts "SAM723"
puts "BUC60919"
puts "========"

vinit
vtrihedron trihedron

set x_coord 205
set y_coord 205

checkcolor $x_coord $y_coord 0.43 0.48 0.54

set xmin 1
set ymin 1
set xmax 409
set ymax 205

# Select part of trihedron
OCC60 ${xmin} ${ymin} ${xmax} ${ymax}
OCC60 ${xmin} ${ymin} ${xmax} ${ymax}

checkcolor $x_coord $y_coord 0.8 0.8 0.8

set only_screen 1