puts "============"
puts "OCC5805"
puts "============"
puts ""
######################################################
# BRepOffsetAPI_MakeThickSolid behaves unstably and produces very different results.
######################################################

set BugNumber OCC5805

puts "demonstration of pipes and hollowing for GTISoft"
puts ""
puts "Scenario 2A: Hollowed elliptical cylinder - ThroughSection and MakeThickSolid (work-around: ellipse is split into 2)"


ellipse e 10 60 0 1 0 0 5 3
trim e1 e 0 pi
trim e2 e pi 2*pi
mkedge ee1 e1
mkedge ee2 e2
wire w1 ee1 ee2
copy w1 w2
ttranslate w2 -20 0 0

if { [catch { thrusections rthru2 1 1 w1 w2 } catch_result] } {
   puts "Faulty ${BugNumber} : thrusections is wrong"
}

explode rthru2 f

if { [catch { offsetshape result rthru2 -0.5 rthru2_3 rthru2_4 } catch_result] } {
   puts "Faulty ${BugNumber} : offsetshape is wrong"
}

checkmaxtol result -min_tol 1.

checkprops result -s 981.941 
checkshape result

checknbshapes result -t -wire 8 -face 6 -shell 1 -solid 1
checkview -display result -2d -path ${imagedir}/${test_image}.png