OCCT

puts "========"
puts "OCC28449"
puts "========"
puts ""
#################################################
# Wrong orientation of Annotation Plane in GD&T
#################################################

ReadStep Doc [locate_data_file bug26689_nist_ctc_01_asme1_ap242.stp]

set pos [XGetGDTPosition Doc 0:1:4:1]
regexp {normal: +([-0-9.+eE]+) ([-0-9.+eE]+) ([-0-9.+eE]+)} $pos full pos_x pos_y pos_z
regexp {x_direction: +([-0-9.+eE]+) ([-0-9.+eE]+) ([-0-9.+eE]+)} $pos full dir_x dir_y dir_z
set isOK 1
set prec 1e-7

if {[expr abs($pos_x)] > $prec || [expr abs($pos_y + 1)] > $prec || [expr abs($pos_z)] > $prec} {
  set isOK 0
}
if {[expr abs($dir_x - 1)] > $prec || [expr abs($dir_y)] > $prec || [expr abs($dir_z)] > $prec} {
  set isOK 0
}

if {$isOK == 0} {
  puts "Error: wrong Annotation plane"
}