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

igesbrep [locate_data_file buc60820.igs] a *

tpcompound 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]+) +nod} $info full nod


if { $tri != 1655 || $nod != 1143 } {
    puts "Shading problem may be, nb tri & nod were changed"
}

set 2dviewer 0