3 puts "AIS_ColoredShape should activate back-face culling for valid Solids."
19 vviewparams -proj 0.5 0.3 0.1
22 vaspects b -subshapes b_1 -setcolor GREEN
24 if {"[vreadpixel ${x_check_coord} ${y_check_coord} rgb name]" == "GREEN"} {
25 puts "Error: back-face culling should be turned ON, but back-face is still visible."
28 checkview -screenshot -3d -path ${imagedir}/${test_image}.png