puts "========"
puts "0028069: Visualization, TKOpenGl - handle flat shading model within GLSL programs"
puts "========"

vclear
vclose ALL
vinit View1
vviewparams -scale 551.55 -proj 0.85 -0.16 0.51 -up -0.41 0.41 0.82 -at 0.55 0.55 0.55

restore [locate_data_file occ/fuse.brep] f
tclean f
vdefaults -absDefl 0.5
vdisplay -dispMode 1 f

# setup lights
vlight clear
vlight add ambient                color WHITE
vlight add directional dir  1 0 0 color GREEN headlight 1
vlight add directional dir -1 0 0 color RED1  headlight 1

vrenderparams -shadingModel flat
vdump $::imagedir/${::casename}.png