puts "========"
puts "OCC515"
puts "========"
puts ""
################################
## Wrong projection of the Line on the Cone
################################

restore [locate_data_file OCC515a.draw] cx 
restore [locate_data_file OCC515b.draw] s 

if { [catch {project c2d cx s -t 0.0015} ] } { 
    puts "OCC515 FAULTY"
}  else {
    # create dump of resulting curve  
    set dump [dump c2d]
    # read dump of old curve 
    set olddump [read [open [locate_data_file OCC515_DUMP]]]
    # if the the dumps is equal this bug is still exist
    if { $dump == $olddump } {
	puts "OCC515 FAULTY"
    } else {
	puts "OCC515 WARNING: Dumps of old and new curve are different, probably bug is still exist"
    }
}