puts "TODO OCC12345 ALL: Faulty shapes in variables faulty_1 to faulty_"
puts "========"
puts "OCC173"
puts "(case 1)"
puts "========"
puts ""
###########################################################
## Impossible to change the material or the transparency of the attached BREP shape. 
###########################################################

restore [locate_data_file OCC173.brep] result
puts [checkshape result]

vinit result
tclean 
vdisplay result
vfit
vsetdispmode result 1

set rd_ch 100000
set gr_ch 75686
set bl_ch 15294

QAUpdateLights
set color1 [QAGetPixelColor 175 195]
regexp {RED +: +([-0-9.+eE]+)} $color1 full rd1
regexp {GREEN +: +([-0-9.+eE]+)} $color1 full gr1
regexp {BLUE +: +([-0-9.+eE]+)} $color1 full bl1

set rd_int [expr int($rd1 * 1.e+05)]
set gr_int [expr int($gr1 * 1.e+05)]
set bl_int [expr int($bl1 * 1.e+05)]

if { ${rd_int} != ${rd_ch} || ${gr_int} != ${gr_ch} || ${bl_int} != ${bl_ch} } {
    puts "Error : colors are not equal"
    puts "Error : Shading is missing in 3D Viewer"
}

########################################################
vsetmaterial result COPPER

QAUpdateLights
set color2 [QAGetPixelColor 175 195]
regexp {RED +: +([-0-9.+eE]+)} $color2 full rd2
regexp {GREEN +: +([-0-9.+eE]+)} $color2 full gr2
regexp {BLUE +: +([-0-9.+eE]+)} $color2 full bl2

if { ${rd2} == ${rd1} || ${gr2} == ${gr1} || ${bl2} == ${bl1} } {
    puts "Error : material of shape was NOT changed"
}

set only_screen 1