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_cylinder_Ideas.igs] a4

DT_ShapeDivide cyl2 a4

# join type Arc
puts "***** offsetting with join type Arc"
puts "   cylinder_Ideas - 5"

if [catch { myoffset result cyl2 -5 0 } catch_result] {
  puts "${BugNumber}: Faulty (1)"
} else {

set square 20106.2
set nb_v_good 6
set nb_e_good 9
set nb_w_good 5
set nb_f_good 5
set nb_sh_good 1
set nb_sol_good 1
set nb_compsol_good 0
set nb_compound_good 0
set nb_shape_good 27

}

set 2dviewer 0