OCCT

puts "TODO OCC11111 ALL: Faulty OCC3896"

puts "============"
puts "OCC3896"
puts "============"
puts ""
######################################################
# BRepCheck_Analyzer does not detect faulty faces in solid shape.
######################################################

#
# a_13 face is FORVARD (faulty), but checkshape command does not detect it
#

set BugNumber OCC3896

restore [locate_data_file OCC3896-pipe.brep] a 

explode a f
compound a_1 a_13 result

explode a_1 e
explode a_13 e

smallview
donly result
fit
r

normals result 200

puts "Normal of a_13 face is red (FORWARD)"

for {set i 1} {$i <= 14} {incr i} {
    whatis a_$i
}

set info_result [checkshape result]

if {[regexp {Faulty} $info_result] } {
    puts "OK ${BugNumber} : checkshape detect faulty faces in solid shape"
} else {
    puts "Faulty ${BugNumber} : checkshape does not detect faulty faces in solid shape"
}

checkview -display result -2d -path ${imagedir}/${test_image}.png