puts "================"
puts "0030411: Data Exchange - attached model is exported as empty JT and VRML file"
puts "================"
puts ""

pload XDE VISUALIZATION
restore [locate_data_file bug27821_nullsurf.brep] s
explode s F
XNewDoc D
XAddShape D s_6 0
WriteVrml D $imagedir/${casename}.wrl
loadvrml  w $imagedir/${casename}.wrl
checktrinfo w -tri 18 -nod 20