puts "========="
puts "CR24915"
puts "========="
puts ""
###############################
## Wrong intersection curves between two cylinders
###############################

proc checkList {List Tolerance D_good Limit_Tol} {
   set L1 [llength ${List}]
   set L2 10
   set L3 5
   set N [expr (${L1} - ${L2})/${L3} + 1]

   for {set i 1} {${i} <= ${N}} {incr i} {
      set j1 [expr ${L2} + (${i}-1)*${L3}]
      set j2 [expr ${j1} + 2]
      set T [lindex ${List} ${j1}]
      set D [lindex ${List} ${j2}]
      #puts "i=${i} j1=${j1} j2=${j2} T=${T} D=${D}"
      if { [expr abs(${D} - ${D_good})] > ${Tolerance} } {
         puts "Error : T=${T} D=${D}"
      }
      if { [expr abs(${D} - ${D_good})] > ${Limit_Tol} 
           && [expr abs(${D} - ${D_good})] <= ${Tolerance} } {
         puts "Attention (critical value of tolerance) : T=${T} D=${D}"
      }
   }
}

puts "##############################"
puts "#!!!Searh \"Attention\" keyword on this web-page for additinal checking!!!"
puts "##############################"

restore [locate_data_file bug24915_ft2.brep] b1
restore [locate_data_file bug24915_ft3.brep] b2

# 1. topology
bclearobjects
bcleartools
baddobjects b1 b2
bfillds
bbuild r
checkshape r

# 2. geometry
set MaxTol 1.5e-6
set log [bopcurves b1 b2]

mksurface s1 b1
mksurface s2 b2

regexp {Tolerance Reached=+([-0-9.+eE]+)\n+([-0-9.+eE]+)} ${log} full Toler NbCurv

if {${Toler} > ${MaxTol}} {
  puts "Error: Tolerance is too big!"
}

for {set i 1} {$i <= ${NbCurv}} {incr i} {
  set log [dump c_$i]
  
  regexp {Degree +([-0-9.+eE]+), +([-0-9.+eE]+) Poles, +([-0-9.+eE]+)} ${log} full Degree Poles KnotsPoles
  
  set Knot 1
  set exp_string "Knots :\n\n +${Knot} :  +(\[-0-9.+eE\]+) +(\[-0-9.+eE\]+)"
  regexp ${exp_string} ${log} full U1 Mult1

  set Knot ${KnotsPoles}
  set exp_string " +${Knot} :  +(\[-0-9.+eE\]+) +(\[-0-9.+eE\]+)"
  regexp ${exp_string} ${log} full U2 Mult2
  
  dlog reset
  dlog on
  xdistcs c_$i s1 ${U1} ${U2} 100
  set Log2 [dlog get]
  set List2 [split ${Log2} {TD= \t\n}]
  set Tolerance 1.6e-5
  set Limit_Tol 1.0e-7
  set D_good 0.
  catch {checkList ${List2} ${Tolerance} ${D_good} ${Limit_Tol}}

  dlog reset
  dlog on
  xdistcs c_$i s2 ${U1} ${U2} 100
  set Log2 [dlog get]
  set List2 [split ${Log2} {TD= \t\n}]
  set Tolerance 1.6e-5
  set Limit_Tol 1.0e-7
  set D_good 0.
  catch {checkList ${List2} ${Tolerance} ${D_good} ${Limit_Tol}}
}

smallview
donly b2 c_2
fit
set only_screen_axo 1