puts "=========="
puts "OCC21507"
puts "=========="
puts ""
############################################################
# Bug in BOP: bcut produces invalid result without notice 
############################################################

# Demonstrates bug in bcut command
pload XDE

# Load face
puts "Loading face"
restore [locate_data_file bug21507_bcut_bug_face.brep] face

# Make tool - an elliptic cylinder
puts "Constructing tool"
ellipse c 10000 0 0 0 1 0 600 300
mkedge e c
wire w e
tcopy w w1
tcopy w w2
ttranslate w1 0  5000 0
ttranslate w2 0 -5000 0
thrusections tool 1 1 w1 w2

# Check validity of face and tool
puts "Checking face: [checkshape face]; [lrange [tolerance face] 0 1]"
puts "Checking tool: [checkshape tool]; [lrange [tolerance tool] 0 1]"
bopcheck face
bopcheck tool

# Do cut
puts "Running bcut"
bcut result face tool

# Evaluate result by number of faces (bcut)
set rfaces [explode result f]
if { [llength $rfaces] != 1 } {
  puts "Error: [llength $rfaces] faces instead of 1"
} else {
  puts "Result is as expected"
}

# Do the same using cut
puts "Now running old cut"
cut rcut face tool

# Evaluate result by number of faces (cut)
set rcfaces [explode rcut f]
if { [llength $rcfaces] != 1 } {
  puts "Error: [llength $rcfaces] faces instead of 1"
} else {
  puts "Result is as expected"
}

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