puts "================"
puts "OCC46"
puts "================"
puts ""

restore [locate_data_file OCC46.brep] sh 
explode sh e
regexp {Mass +: +([-0-9.+eE]+)} [lprops sh_4] full l1
regexp {Mass +: +([-0-9.+eE]+)} [lprops sh_7] full l2
regexp {Mass +: +([-0-9.+eE]+)} [lprops sh_9] full l3

set res1 [expr $l1+$l2+$l3]
puts $res1

#write stepfile
######################################################################
catch {exec rm ${imagedir}/sss.step}
stepwrite a sh ${imagedir}/sss.step
stepread ${imagedir}/sss.step ss *

tpcompound result

explode result e
regexp {Mass +: +([-0-9.+eE]+)} [lprops result_4] full t1
regexp {Mass +: +([-0-9.+eE]+)} [lprops result_7] full t2
regexp {Mass +: +([-0-9.+eE]+)} [lprops result_9] full t3

set res2 [expr $t1+$t2+$t3]
puts $res2

if {[expr abs([expr $res1 - $res2])]  > 0.0001} then {	
   puts "Error : large difference between shapes"
}

checkview -display result -2d -path ${imagedir}/${test_image}.png