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}

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_CATIA.igs] a1
checkshape a1

sewing con1 a1
checkshape con1

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

if [catch { myoffset result con1 5 0 } catch_result] {
  puts "${BugNumber}: Faulty (1)"
} else {
checkshape result

set square 32396.2

set nb_v_good 5
set nb_e_good 8
set nb_w_good 4
set nb_f_good 4
set nb_sh_good 1
set nb_sol_good 1
set nb_compsol_good 0
set nb_compound_good 0
set nb_shape_good 23

}

set 2dviewer 0