puts "========================"
puts "BUC61000"
puts " OCC364 "
puts "========================"
puts ""
##############################################
## Face is invisible in the shading mode in the 3D View. 
##############################################

restore [locate_data_file OCC364.brep] result 
checkshape result

tclean result
isos result 0
vinit 
vdisplay result
vsetdispmode result 1
vfit
triangles result

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

if { $tri != 84 || $nod != 84 }  {
   puts "Faulty OCC364: here is shading problem"
} else {
   puts "Shading of  OCC364 is OK"
}

set only_screen 1