pcone b1 8 4 8 pcone b2 4 8 4 ttranslate b2 0 0 -4 trotate b2 0 0 -4 0 0 1 90 bop b1 b2 bopcommon result checkprops result -s empty checkview -display result -2d -otherwise { b1 b2 } -s -path ${imagedir}/${test_image}.png