puts "========"
puts "OCC567: Can not intersect two Rectangular Trimmed Surfaces ."
puts "========"
puts ""

set GoodNbCurves 1

restore [locate_data_file OCC567a.draw] s1 
restore [locate_data_file OCC567b.draw] s2 

foreach a [directory res*] {unset $a}

trim s1x s1 0 2*pi 0 2*pi/13
trim s2x s2 0 2*pi 0 2*pi/13

if { [catch {intersect res s1x s2x } catch_result] } {
    puts "Faulty OCC565 exception: function intersection works wrongly with trimmed Surfaces"
} else {
  set che [whatis res]
  set ind [string first "3d curve" $che]
  if {${ind} >= 0} {
    #Only variable "res" exists
    renamevar res res_1
  }

  bclearobjects
  bcleartools
  
  set ic 1
  set AllowRepeat 1
  while { $AllowRepeat != 0 } {
    set che [whatis res_$ic]
    set ind [string first "3d curve" $che]
    if {${ind} < 0} {
      set AllowRepeat 0
    } else {
     
      bounds res_$ic U1 U2
      
      if {[dval U2-U1] < 1.0e-9} {
        puts "Error: Wrong curve's range!"
      }
      
      xdistcs res_$ic s1 U1 U2 100 2.0e-7
      xdistcs res_$ic s2 U1 U2 100 2.0e-7
      
      for { set ip [expr $ic-1] } { $ip > 0 } { incr ip -1 } {
        mkedge e1 res_$ic
        mkedge e2 res_$ip

        set coe [checkoverlapedges e1 e2 5.0e-5]

        puts "res_$ic <-> res_$ip: $coe"
        if { [regexp "Edges are not overlapped" $coe] != 1 } {
          puts "Error: res_$ic and res_$ip are overlapped"
        }
      }
      
      mkedge ee res_$ic
      baddobjects ee
      
      incr ic
    }
  }

  incr ic -1
  
  if {$ic != $GoodNbCurves} {
    puts "Error: $GoodNbCurves curves are expected but $ic ones are found."
  }
  
  if {$ic != 1} {
    # Check of gaps between intersection curves
    bfillds
    bbuild rs
  
    checknbshapes rs -edge 1
    checksection rs -r 2
  }
}

smallview
don res_*

fit
don s1 s2
disp res_*

checkview -screenshot -2d -path ${imagedir}/${test_image}.png