puts "================"
puts "OCC27175"
puts "================"
puts ""
#######################################################################
# Intersection algorithm with increased tolerance works incorrect with some shapes
#######################################################################

set ExpectTol 3.002046539399851e-006
set GoodNbCurv 2

plane pl 0.195808075898442 -0.229262227170656 4.05546403129991 0 0 1
psphere s1 pl 0.03101752454
restore [locate_data_file bug27128-Helix_Pipe.brep] s2

explode s1 f
explode s2 f

settolerance s1_1 2.0e-6
settolerance s2_2 2.0e-6
bopcurves s1_1 s2_2 -2d

regexp {Tolerance Reached=+([-0-9.+eE]+)\n+([-0-9.+eE]+)} [bopcurves s1_1 s2_2 -2d] full Toler NbCurv

checkreal "Tolerance Reached" ${Toler} ${ExpectTol} 0.0 0.1

if {${NbCurv} != ${GoodNbCurv}} {
  puts "Error: Curve Number is bad!"
}