puts "========"
puts "OCC29234"
puts "========"
puts ""
#################################################
# BRepOffsetAPI_NormalProjection produces INTERNAL edges and vertices
#################################################

restore [locate_data_file bug29234_cyl_n_wire.brep] a
explode a
renamevar a_1 f
renamevar a_2 w
nproject r w f
foreach e [explode r e] {
  if [regexp "INTERNAL" [dtyp $e]] {
    puts "Error: projection result contains edges oriented INTERNAL"
    break
  }
} 
don r
fit
checknbshapes r -m "projection result" -edge 4
checkview -display r -2d -path ${imagedir}/${test_image}_1.png

bcommon r1 f r
foreach e [explode r1 e] {
  if [regexp "INTERNAL" [dtyp $e]] {
    puts "Error: result of common between face and edge contains edges oriented INTERNAL"
    break
  }
}