OCCT

puts "============"
puts "OCC26726 erase selected objects"
puts "============"
puts ""

pload VISUALIZATION
vclear
vinit View1

box b0 5 0 0 1 1 1
box b1 0 5 0 1 1 1
box b2 0 0 5 1 1 1
box b3 5 5 5 1 1 1

vdisplay b0 b1 b2 b3 -dispMode 1
vfit
vdump $imagedir/${casename}_0.png

vselect 0 0 500 500
verase
vdump $imagedir/${casename}_1.png

set info_b0 [vreadpixel 205 355 -rgb -name]
set info_b1 [vreadpixel 205 190 -rgb -name]
set info_b2 [vreadpixel  60 100 -rgb -name]
set info_b3 [vreadpixel 350 100 -rgb -name]
if { $info_b0 != "BLACK" || $info_b1 != "BLACK" || $info_b2 != "BLACK" || $info_b3 != "BLACK" } {
  puts "Error: OCC26726 is reproduced. AIS_InteractiveContext::EraseSelected is incorrect."
}