puts "========"                                                                 
puts "OCC442"
puts "========"                                                                 
puts ""                                                                         
########################################################
## The Revolution Algo produces result, but during check using IsValid method from
##  BRepAlgoAPI the exception is raised
########################################################

restore [locate_data_file OCC442.brep] a 
checkshape a

explode a v

mkpoint p_1 a_1
mkpoint p_2 a_3
coord p_1 x1 y1 z1
coord p_2 x2 y2 z2
set ax [dval x1]
set ay [dval y1]
set az [dval z1]
set bx [dval x2]
set by [dval y2]
set bz [dval z2]
set dx [expr $ax - $bx]
set dy [expr $ay - $by]
set dz [expr $az - $bz]

revol result a $ax $ay $az $dx $dy $dz 360

set square 692942
set 2dviewer 0