puts "================"
puts "OCC306"
puts "================"
puts ""
#############################################################################
##After applying sewing on the model from the file TibTray_Size3.igs (see the attachment) one surface is not shaded.
#############################################################################

igesbrep [locate_data_file TibTray_Size3.igs] a *

tpcompound a
tclean a

sewing result a

checkshape result

vinit
vsetdispmode result 1
vdisplay result
vfit

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

if { ($tri != 6409 || $nod != 6195) } {
    puts "Shading problem may be, nb tri & nod"
} 

set 3dviewer 1