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puts "========"
puts "OCC25833"
puts "========"
puts ""
##########################################
## Visualization, Ray Tracing - fix problems with the backside of triangles
##########################################
box b1 100 100 100
explode b1 Fa
box b2 10 10 -20 10 10 10
vsetdispmode 1
vdisplay b1_5 b1_6 b2
vsetmaterial b1_5 steel
vsetmaterial b1_6 steel
vfit
# Problem 1: b1_5 (grey) becomes semi-transparent after the next line,
# compare it with b1_6 visible from the frontside
vrenderparams -rayTrace
vdump ${imagedir}/${test_image}_1.png
checkcolor 100 300 0.37647059559822083 0.3803921639919281 0.40392157435417175
if { ${stat} != 1 } {
puts "Error : bad color (case 1)"
}
# Problem 2: The small box shows through b1_5
vrenderparams -reflections
vdump ${imagedir}/${test_image}_2.png
checkcolor 190 250 0.37647059559822083 0.3803921639919281 0.40392157435417175
if { ${stat} != 1 } {
puts "Error : bad color (case 2)"
}
ttranslate b2 30 30 30
# Problem 3: The small box is not reflected from the backface of b1_5
vdisplay b2
vdump ${imagedir}/${test_image}_3.png
checkcolor 190 260 0.79607844352722168 0.60784316062927246 0.21960784494876862
if { ${stat} != 1 } {
puts "Error : bad color (case 3)"
}
checkcolor 190 310 0.61960786581039429 0.56078433990478516 0.43529412150382996
if { ${stat} != 1 } {
puts "Error : bad color (case 4)"
}
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