puts "============="
puts "Drawing mesh as closed object."
puts "============="
puts ""

pload XDE VISUALIZATION

set aMeshFile [locate_data_file sh1.stl]

vclear
vinit View1
vaxo

meshfromstl  m0 "$aMeshFile"
vsetdispmode m0 2

vsetlocation -noupdate m0 -100 0 0
meshfromstl m1 "$aMeshFile"
meshcolors  m1 elem1 0
vsetlocation -noupdate m1    0 0 0

meshfromstl m2 "$aMeshFile"
meshcolors  m2 elem2 0
vsetlocation -noupdate m2  100 0 0

meshfromstl m3 "$aMeshFile"
meshcolors  m3 nodal 1
vsetlocation -noupdate m3    0 0 100

meshfromstl m4 "$aMeshFile"
meshcolors  m4 nodaltex 1
vsetlocation -noupdate m4  100 0 100
vfit

vclipplane create p
vclipplane change p equation 0 1 0 0
vclipplane change p capping on
vclipplane change p capping color 0.9 0.9 0.9
vclipplane set    p view Driver1/Viewer1/View1

for {set i 0} {$i < 5} {incr i} { meshclosed m$i 0 }
vdump ${imagedir}/${casename}_open.png

for {set i 0} {$i < 5} {incr i} { meshclosed m$i 1 }
set aColor0 [vreadpixel 125 200 rgb name]
set aColor1 [vreadpixel 225 300 rgb name]
set aColor2 [vreadpixel 325 325 rgb name]
set aColor3 [vreadpixel 225 150 rgb name]
set aColor4 [vreadpixel 325 200 rgb name]

# note that aColor2 is not expected to be capped
if { "$aColor0" != "GRAY72" || "$aColor1" != "GRAY72" || "$aColor2" == "GRAY72" || "$aColor3" != "GRAY72" || "$aColor4" != "GRAY72" } {
  puts "Error: capping color does not match"
}

vdump ${imagedir}/${casename}_closed.png