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0029887: Wrong result of CUT operation due to incorrect point-face classification

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Use of input tolerance has been eliminated in Geom2dInt_GInter algorithm called from BRepClass_Intersector::Perform(...) method.
Now the input tolerance is used only for checking ON-status of classification.
This commit is contained in:
nbv 2018-06-20 17:30:00 +03:00 committed by kgv
parent 12280e4bfc
commit 4680b22c2c
3 changed files with 54 additions and 2 deletions
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4
src/BRepClass/BRepClass_Intersector.cxx
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@ -135,10 +135,10 @@ void BRepClass_Intersector::Perform(const gp_Lin2d& L,
IntRes2d_Domain DL;
//
if(P!=RealLast()) {
DL.SetValues(L.Location(),0.,aTolZ,ElCLib::Value(P,L),P,aTolZ);
DL.SetValues(L.Location(),0.,Precision::PConfusion(),ElCLib::Value(P,L),P,Precision::PConfusion());
}
else {
DL.SetValues(L.Location(),0.,aTolZ,Standard_True);
DL.SetValues(L.Location(),0.,Precision::PConfusion(),Standard_True);
}
IntRes2d_Domain DE(pdeb,deb,toldeb,pfin,fin,tolfin);

24
tests/bugs/modalg_7/bug29887_1 Normal file
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@ -0,0 +1,24 @@
puts "========"
puts "OCC29887: Wrong result of CUT operation due to incorrect point-face classification"
puts "========"
puts ""
brestore [locate_data_file bug29887_ar_shape_to_cuts.brep] s1
brestore [locate_data_file bug29887_ar_cutting_shapes.brep] s2
bcut result s1 s2
checknbshapes result -face 2 -wire 2
checkshape result
if {[regexp "Faulties" [bopargcheck result]]} {
puts "Error: bopargcheck has found some faulties in result"
}
checkprops result -s 319.71
smallview
don result
fit
checkview -screenshot -2d -path ${imagedir}/${test_image}.png

28
tests/bugs/modalg_7/bug29887_2 Normal file
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@ -0,0 +1,28 @@
puts "========"
puts "OCC29887: Wrong result of CUT operation due to incorrect point-face classification"
puts "========"
puts ""
brestore [locate_data_file bug29887_ar_shape_to_cuts.brep] s1
point p 11.633693861603586 -0.88940231049090079
if { ![regexp {IN} [ b2dclassifx s1 p ] ] } {
puts "Error : Wrong result of 2d classifier algorithm"
} else {
puts "OK : Good result of 2d classifier algorithm"
}
if { ![regexp {IN} [ b2dclassify s1 p ] ] } {
puts "Error : Wrong result of 2d classifier algorithm"
} else {
puts "OK : Good result of 2d classifier algorithm"
}
smallview -2D-
2dclear
display p
pcurve s1
2dfit
checkview -screenshot -2d -path ${imagedir}/${test_image}.png