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

set BugNumber OCC8842

cpulimit 500

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_Ideas.igs] a2

DT_ShapeDivide con2 a2

# join type Intersection
puts "***** offsetting with join type Intersection"
puts "   cone_Ideas - 5"

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

checkprops result -s 9885.2 
checkshape result
checknbshapes result -vertex 4 -edge 9 -wire 4 -face 4 -shell 1 -solid 1 -compsolid 0 -compound 0 -shape 23
}

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