puts "============"
puts "OCC28949"
puts "============"
puts ""
##############################################################################
# BRepOffsetAPI_MakePipe Generated() method produces no result for spine edges
##############################################################################


polyline sp 0 0 0 10 0 0 10 0 10 10 10 10 0 10 10 0 10 0 0 0 0
polyline pr 0 -2 -2 0 2 -2 0 2 2 0 -2 2 0 -2 -2

mksweep sp
addsweep pr
buildsweep q -R

explode sp

savehistory sweep_hist

generated r1 sweep_hist sp_1
generated r2 sweep_hist sp_2
generated r3 sweep_hist sp_3
generated r4 sweep_hist sp_4
generated r5 sweep_hist sp_5
generated r6 sweep_hist sp_6

checkprops r1 -s 136
checkprops r2 -s 136
checkprops r3 -s 136
checkprops r4 -s 136
checkprops r5 -s 136
checkprops r6 -s 136

explode sp v

generated r1 sweep_hist sp_1
generated r2 sweep_hist sp_2
generated r3 sweep_hist sp_3
generated r4 sweep_hist sp_4
generated r5 sweep_hist sp_5
generated r6 sweep_hist sp_6

checknbshapes r1 -edge 11 -face 3
checkprops r1 -s 18.8496
checknbshapes r2 -edge 11 -face 3
checkprops r2 -s 18.8496
checknbshapes r3 -edge 11 -face 3
checkprops r3 -s 18.8496
checknbshapes r4 -edge 11 -face 3
checkprops r4 -s 18.8496
checknbshapes r5 -edge 11 -face 3
checkprops r5 -s 18.8496
checknbshapes r6 -edge 11 -face 3
checkprops r6 -s 18.8496
