puts "============"
puts "OCC27386"
puts "============"
puts ""
#####################################################################
# BRepOffsetAPI_MakePipeShell does not provide history of generations
#####################################################################


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 pr

savehistory sweep_hist

generated r1 sweep_hist pr_1
generated r2 sweep_hist pr_2
generated r3 sweep_hist pr_3
generated r4 sweep_hist pr_4

checknbshapes r1 -face 12
checkprops r1 -s 275.124
checknbshapes r2 -face 9
checkprops r2 -s 189.425
checknbshapes r3 -face 9
checkprops r3 -s 189.425
checknbshapes r4 -face 12
checkprops r4 -s 275.124

explode pr v

generated r1 sweep_hist pr_1
generated r2 sweep_hist pr_2
generated r3 sweep_hist pr_3
generated r4 sweep_hist pr_4

checknbshapes r1 -edge 12
checkprops r1 -l 78.8496
checknbshapes r2 -edge 9
checkprops r2 -l 57.4248
checknbshapes r3 -edge 6
checkprops r3 -l 36
checknbshapes r4 -edge 9
checkprops r4 -l 57.4248