puts "============"
puts "bgcolor: Tests changing of background color in the IVtk view"
puts "============"
puts ""

pload VIS
ivtkinit
ivtkbgcolor 200 220 250
ivtkdump $imagedir/${casename}_1.png

ivtkbgcolor 10 30 80 255 255 255
ivtkdump $imagedir/${casename}_2.png