puts "============="
puts "0030907: Visualization Algorithms - impossible to compute iso-lines for an offset face made by a face of linear extrusion"
puts "============="

pload MODELING VISUALIZATION
restore  [locate_data_file bug30907.brep] f
offsetshape r f 20
vdisplay r
vfit

puts [vaspects -isoontriangulation 1]

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