puts "===================================================================="
puts "OCC28828: New functionalities of BRepFilletAPI_MakeChamfer algorithm"
puts "===================================================================="
puts ""

restore [locate_data_file bug28828_b3.brep] b
explode b
bfuse a b_1 b_2
savehistory hh

explode b_2 e
donly a b_2_1

chamf_throat result a b_2_1 0.1

checkshape result

checknbshapes result -solid 1 -shell 1 -face 8 -wire 9 -edge 17 -vertex 11 -shape 48

set tolres [checkmaxtol result]

if { ${tolres} > 0.0001} {
   puts "Error: bad tolerance of result"
}

checkprops result -v 1041.98 -deps 1.e-7

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