puts "# ===================================================================="
puts "# 0028968: Incorrect offset for the faces with singularities "
puts "# ===================================================================="
puts ""
puts "# This test checks that offset does not fail and produces valid shape with"
puts "# reasonable tolerance; however the real check for the problem is to be"
puts "# made visually using generated images that should have no loops"
puts "# (see images attached to Mantis issue)"
puts ""

set models {
bug28968_HA-3828b-31.brep
bug28968_HA-3781-31.brep
bug28968_HA-3781-25.brep
bug28968_HA-3781-01.brep
bug28968_HA-3623g-31.brep
bug28968_HA-3623g-22.brep
bug28968_HA-3623c-20.brep
bug28968_HA-3623c-19.brep
bug28968_HA-3623c-15.brep
bug28968_HA-3623b-31.brep
bug28968_HA-3623b-22.brep
bug28968_HA-3623a-28.brep
bug28968_HA-3623a-27.brep
bug28968_HA-3623a-26.brep
bug28968_HA-3623a-17.brep
}

set i 0
foreach file $models {
  incr i
  restore [locate_data_file $file] s$i

  foreach command {offsetshapesimple} {
    catch {$command res$i s$i 20. 0.01}
    checkmaxtol res$i -min_tol 0.002
    checkshape res$i

    smallview
    donly s$i res$i
    fit

    xwd "${imagedir}/${casename}_${command}_${i}_[file rootname $file].png" 
#    checkview -2d smallview -display face$i -display res$i -screenshot -path $savepath
  }
}