pcylinder b1 4 8
psphere b2 4
ttranslate b2 0 0 8
trotate b2 0 0 8 1 0 0 90

bop b1 b2
bopcommon result

checkprops result -s 150.796
checkview -display result -2d -otherwise { b1 b2 } -s -path ${imagedir}/${test_image}.png