puts "============"
puts "display_mode: Tests display modes changing in the IVtk view"
puts "============"
puts ""

box b 1 1 1
ivtkinit
ivtkdisplay b
ivtksetdispmode 1
ivtkdump $imagedir/${casename}_1.png

ivtksetdispmode 0
ivtkdump $imagedir/${casename}_2.png