puts "============"
puts "OCC25687"
puts "AIS_ColoredShape should activate back-face culling for valid Solids."
puts "============"
puts ""

set x_check_coord 225
set y_check_coord 32

box b 10 10 10
explode b f

vinit View1
vclear
vaxo
vsetdispmode 1

vdisplay b
vviewparams -proj 0.5 0.3 0.1
vfit

vaspects b -subshapes b_1 -setcolor GREEN

if {"[vreadpixel ${x_check_coord} ${y_check_coord} rgb name]" == "GREEN"} {
  puts "Error: back-face culling should be turned ON, but back-face is still visible."
}

checkview -screenshot -3d -path ${imagedir}/${test_image}.png
