puts "=========================================================================="
puts "OCC31558: BRepOffsetAPI_MakeFilling algorithm makes turned inside out face"
puts "=========================================================================="
puts ""

brestore [locate_data_file bug31558.brep] a

explode a e

filling result 1 0 9  a_2 0  3.5000410449283663 0.62831853071795896 a 1  3.5000410449283663 1.2566370614359179 a 1  3.5000410449283663 1.8849555921538768 a 1  3.5000410449283663 2.5132741228718358 a 1  3.5000410449283663 3.1415926535897949 a 1  3.5000410449283663 3.7699111843077535 a 1  3.5000410449283663 4.3982297150257130 a 1  3.5000410449283663 5.0265482457436717 a 1  3.5000410449283663 5.6548667764616303 a 1

checkshape result

checknbshapes result -face 1 -wire 1 -edge 1 -vertex 1

set tolres [checkmaxtol result]

if { ${tolres} > 2.e-5} {
   puts "Error: bad tolerance of result"
}

checkprops result -s 153.938

smallview
isos result 10
donly result
fit

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