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puts "========"
puts "Ray Tracing - check rendering of multi-connected structures"
puts "========"
# create boxes
box b1 0 0 0 1 2 3
box b2 3 0 0 3 2 1
# draw box
vinit View1
vclear
vrenderparams -rasterization
vsetdispmode 1
vaxo
vconnect b1c -3 0 0 b1 b2
vfit
vrotate 0.2 0.0 0.0
vfit
vclear
vconnect b1c -3 0 0 b1 b2
# take snapshot with fixed pipeline
vdump $::imagedir/${::casename}_OFF.png
# turn on ray tracing
vrenderparams -raytrace
vdump $::imagedir/${::casename}_rt1.png
vclear
vconnect b1c -3 0 0 b1 b2
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