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0024798: Boolean operation CUT produces incorrect result

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Face classifier has been used to check adjustment of 2d curve for the face.

Test case for issue CR24798
This commit is contained in:
emv 2014-04-14 15:52:02 +04:00 committed by abv
parent 53ca691b7b
commit d8a24e8394
2 changed files with 65 additions and 0 deletions
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37
src/BOPTools/BOPTools_AlgoTools2D.cxx
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@ -53,6 +53,7 @@
#include <Geom_Surface.hxx> #include <Geom_Surface.hxx>
#include <BOPCol_IndexedMapOfShape.hxx> #include <BOPCol_IndexedMapOfShape.hxx>
#include <BOPTools.hxx> #include <BOPTools.hxx>
#include <BRepClass_FaceClassifier.hxx>
static static
@ -348,6 +349,42 @@ static
//xt //xt
} }
// //
{
//check the point with classifier
Standard_Real u,v;
u = u2 + du;
v = v2 + dv;
if (aBAS.IsUPeriodic()) {
aUPeriod = aBAS.UPeriod();
if ((UMax - UMin - 2*aDelta) > aUPeriod) {
if ((u > (UMin + aDelta + aUPeriod)) ||
(u < (UMax - aDelta - aUPeriod))) {
BRepClass_FaceClassifier aClassifier;
aClassifier.Perform(aF, gp_Pnt2d(u, v), aDelta);
TopAbs_State Status = aClassifier.State();
if (Status == TopAbs_OUT) {
du += (u > (UMin + aDelta + aUPeriod)) ? -aUPeriod : aUPeriod;
}
}
}
}
//
u = u2 + du;
if (aBAS.IsVPeriodic()) {
Standard_Real aVPeriod = aBAS.VPeriod();
if ((VMax - VMin - 2*aDelta) > aVPeriod) {
if ((v > (VMin + aDelta + aVPeriod)) ||
(v < (VMax - aDelta - aVPeriod))) {
BRepClass_FaceClassifier aClassifier;
aClassifier.Perform(aF, gp_Pnt2d(u, v), aDelta);
TopAbs_State Status = aClassifier.State();
if (Status == TopAbs_OUT) {
dv += (v > (VMin + aDelta + aVPeriod)) ? -aVPeriod : aVPeriod;
}
}
}
}
}
// Translation if necessary // Translation if necessary
Handle(Geom2d_Curve) aC2Dx=aC2D; Handle(Geom2d_Curve) aC2Dx=aC2D;

28
tests/bugs/modalg_5/bug24798 Normal file
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@ -0,0 +1,28 @@
puts "============"
puts "OCC24798"
puts "============"
puts ""
######################################################
# Boolean operation CUT produces incorrect result
######################################################
restore [locate_data_file bug24798_r1_cut.brep] b1
restore [locate_data_file bug24798_rectBranch.brep] b2
bop b1 b2
bopcut result
set square 1826.15
# Analysis of "nbshapes res"
set nb_v_good 44
set nb_e_good 67
set nb_w_good 29
set nb_f_good 22
set nb_sh_good 1
set nb_sol_good 1
set nb_compsol_good 0
set nb_compound_good 1
set nb_shape_good 165
set 2dviewer 1