puts "========================"                                               
puts "BUC60823"
puts "========================"                                                

igesbrep [locate_data_file buc60823.igs] a *

tpcompound result
checkshape result
checkshape result r

tclean result
vinit
vdisplay result
vsetdispmode result 1
vfit

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

if { $tri != 17618 || $nod != 11153 } {
    puts "Shading problem may be, nb tri & nod are changed"
}

set 2dviewer 0