puts "============"
puts "CR22888"
puts "============"
puts ""
#######################################################################
# Wrong shape result imported from IGES file
#######################################################################
pload QAcommands

set x1 166
set y1 225

igesread [locate_data_file CR22888-data.igs] a *
if { [regexp "This shape seems to be valid" [checkshape a]] != 1 } {
    puts "Error : checkshape is faulty"
}

explode a f
vinit
vsetdispmode 0
vdisplay a_1
vfit
vzfit
tclean a_1
set inf_before [trinfo a_1]

vsetdispmode a_1 1
set inf_after [trinfo a_1]
regexp { +([-0-9.+eE]+) +triangles} $inf_after full tri_after
regexp { +([-0-9.+eE]+) +nodes} $inf_after full nod_after

set color [vreadpixel ${x1} ${y1} rgb]
set rd [lindex $color 0]
set gr [lindex $color 1]
set bl [lindex $color 2]

if { $rd == 0 || $gr == 0 || $bl == 0 } {
    puts "Error : Face is not shaded (colors are not equal)"
}

if { $tri_after <= 0 || $nod_after <= 0 } {
    puts "Error : Face is not shaded (number of nodes or triangles is wrong)"
}

set only_screen 1