puts "========"
puts "OCC349"
puts "1. Hidden line removal algorithm works incorrect in the perspective view"
puts "========"

vinit
box b 100 900 300
vdisplay b

OCC280 1 0

vfit

set yellow_coords {{135 119} {387 33} {172 144} {28 190} {212 272} {60 343} {26 255} {389 113} {60 276}}
set black_coords {{160 257} {365 150} {353 99}}

#
#              ___________2________________
#             /|                          /|
#            / |                         / |
#           /  |                        /  |
#          /   |                       /   |
#         /    |                      /    |
#        1     |                     3     |
#       /      |                    /      |
#      /       |                   /       |
#     /        |                  /        |
#    /         |                 /         |
#   ----------------4------------          |
#   |          |                |          |
#   |          |                |          |
#   |          |                |          |
#   |         10                |         11
#   |          |                |          |
#   |          |                |          |
#   |          |                |          |
#   |          |                |          |
#   |          |                |          |
#   9          |               12          |
#   |          |___________6____|__________|
#   |         /                 |         /
#   |        /                  |        /
#   |       /                   |       /
#   |      /                    |      /
#   |     5                     |     /
#   |    /                      |    7
#   |   /                       |   /
#   |  /                        |  /
#   | /                         | /
#   |/                          |/
#   |--------------8------------|
#
#

vaspects -setwidth 5

foreach i $yellow_coords {
  if {"[vreadpixel [lindex $i 0] [lindex $i 1] rgb name]" != "YELLOW" } {
    puts "Error : ${i} is not yellow"
  }
}

foreach i $black_coords {
  if {"[vreadpixel [lindex $i 0] [lindex $i 1] rgb name]" != "BLACK" } {
    puts "Error : ${i} is not black"
  }
}

checkview -screenshot -3d -path ${imagedir}/${test_image}.png