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puts "==========="
puts "OCC21753"
puts "==========="
puts "=================================="
puts "Poor display of shading on cones due to Gouraud shading limitations"
puts "=================================="
# set rough meshing parameters
vinit
vdefaults -absDefl 10 -devCoeff 0.1
puts "Displaying two equal cones, one with Phong shader"
pcone p_gouraud 10 100 100
trotate p_gouraud 0 0 0 0 1 0 -90
vdisplay p_gouraud
vsetdispmode p_gouraud 1
#vsetmaterial p_gouraud bronze
tcopy p_gouraud p_phong
ttranslate p_phong 200 0 0
vdisplay p_phong
vsetdispmode p_phong 1
#vsetmaterial p_phong bronze
vshaderprog p_phong phong
vfit
set only_screen 1
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