puts "========="
puts " OCC497 "
puts "(case 4)"
puts "========="
puts ""
########################################################
## Result of cut and fuse operation are faulty shapes although arguments are valid.
########################################################

restore [locate_data_file OCC497g.brep] a_1 
puts [checkshape a_1]

restore [locate_data_file OCC497h.brep] a_2
puts [checkshape a_2]

if [catch {bfuse result a_1 a_2 } catch_result] {
    puts "Faulty OCC497:function FUSE works wrongly "
} else {
    puts "OCC497 : function FUSE works without hangs up "
}
set square 8710.56
set 2dviewer 0