pload QAcommands

puts "============"
puts "OCC21909"
puts "============"
puts ""
#######################################################################
# The surface is visualized with rendering errors
#######################################################################

set BugNumber OCC21909

# Data

set scale    57.547428234801195
set proj_X   -0.25567048788070679
set proj_Y   -0.92769843339920044
set proj_Z   0.27204453945159912
set up_X     0.43156850337982178
set up_Y     0.14228194952011108
set up_Z     0.89078855514526367
set at_X     16.2722331487924
set at_Y     -19.463212261103
set at_Z     -16.4505465814645

set x1 190

set y1 216
set y2 228

#
restore [locate_data_file OCC21909-render_error.brep] result

vinit
vdisplay result
vfit

vsetdispmode 1
vfit

vviewparams -scale ${scale} -proj ${proj_X} ${proj_Y} ${proj_Z} -up ${up_X} ${up_Y} ${up_Z} -at ${at_X} ${at_Y} ${at_Z}

vmoveto ${x1} ${y1}
vmoveto ${x1} ${y1}

set status 0
for {set i ${y1} } {$i <= ${y2} } {incr i} {
    if { "[vreadpixel ${x1} ${i} rgb name]" == "BLACK" } {
      incr status
      puts "Error : rendering  x = ${x1}  y = ${i}"
    }
}

if { ${status} != 0 } {
    puts "Faulty ${BugNumber}"
} else {
    puts "OK ${BugNumber}"
}

set 3dviewer 0