puts "========================"
puts "BUC60820"
puts "========================"

igesbrep [locate_data_file buc60820.igs] a *

tpcompound result

checkshape result r

tclean result
incmesh result 0.1
triangles result
set info [trinfo result]
regexp { +([-0-9.+eE]+) +triangles} $info full tri
regexp { +([-0-9.+eE]+) +nodes} $info full nod

if { $tri <= 0 || $nod <= 0 } {
    puts "Error : Problems with shading"
}

set 2dviewer 0