puts "============"
puts "OCC6768"
puts "============"
puts ""
#######################################################
# Problems making offset wires
#######################################################

restore [locate_data_file bug6768.brep] co
explode co
foreach s {co_1 co_2 co_3 co_4} {

puts "\n*** make offset of wire r$s\n"
mkoffset r${s} ${s} 1 -1

regexp {nb alone Vertices : ([-0-9.+eE]+)} [checksection r${s}_1] full nbv

if { $nbv != 0 } { 
  puts "Error : Section is incorrect" 
} else {
  puts "Section is correct" 
}

if { ${s} eq "co_1" } {
  checkprops r${s}_1 -l 577.397
  checknbshapes r${s}_1 -vertex  99
} elseif { ${s} eq "co_2" } {
  checkprops r${s}_1 -l 591.334
  checknbshapes r${s}_1 -vertex  80
} elseif { ${s} eq "co_3" } {
  checkprops r${s}_1 -l 550.648
  checknbshapes r${s}_1 -vertex 111
} else {
  checkprops r${s}_1 -l 545.219
  checknbshapes r${s}_1 -vertex 290
} 

}

smallview
fit

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