puts "============"
puts "OCC23706"
puts "============"
puts ""
#########################################################################
# Cannot project point on curve
#########################################################################

pload XSDRAW
bsplinecurve cc 3 2 0 4 1 4 -1 -1 2 1 0 -1 2 1 0 0 2 1 0 0 2 1
point pp 0 0 1
offsetcurve o cc .5 pp
set info [length o]
regexp {The length o is+ +([-0-9.+eE]+)} $info full ll
set ll_check 2.3717833300483151

if { [expr 1.*abs($ll_check - $ll)/$ll_check] > 0.01 } {
   puts "Error : The lenght of result shape is $ll"
}