puts "TODO OCC11111 ALL: Faulty OCC264_12: here is shading problem"
puts "TODO OCC11111 ALL: Error : The square of result shape is"

puts "========"
puts "OCC264"
puts " (case 12)"
puts "========"

restore [locate_data_file OCC264_12.brep] result

tclean result
vinit
vdisplay result
vclear

isos res 0
triangles result

#smallview
#fit

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

if { $tri != 19 && $nod != 21 }  {
    puts "Faulty OCC264_12: here is shading problem"
} else {
    puts "Shading of OCC264_12 is OK"
}

set square 0
set 2dviewer 0