puts "TODO ?OCC25913 ALL: Faulty shapes in variables faulty_1 to faulty_"
puts "TODO OCC25913 ALL: Error :  is WRONG because number of"
puts "TODO OCC25913 ALL: Error : The area of result shape is"

puts "============"
puts "OCC8842"
puts "============"
puts ""
#######################################################################
# Errors in Offset Shape algorithm working with bspline and surface of revolution
#######################################################################

set BugNumber OCC8842

if {[info commands testreadiges] == ""} {pload XSDRAW IGES}

proc myoffset {result sh val tan} {
  if {$tan == 1} {
    offsetparameter 1e-7 p i
  } else {
    offsetparameter 1e-7 p a
  }
  uplevel offsetload $sh $val
  uplevel offsetperform $result
}

testreadiges [locate_data_file OCC8842_cone_Ideas.igs] a2

DT_ShapeDivide con2 a2

# join type Arc
puts "***** offsetting with join type Arc"
puts "   cone_Ideas + 5"

if [catch { myoffset result con2 5 0 } catch_result] {
  puts "${BugNumber}: Faulty (1)"
} else {

checkprops result -s 3542.24 
checkshape result
checknbshapes result -vertex 60 -edge 90 -wire 42 -face 40 -shell 5 -solid 5 -compsolid 0 -compound 1 -shape 243
}

checkview -display result -2d -path ${imagedir}/${test_image}.png