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0026008: Wrong intersection 2D-curves obtained for pair of faces.

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The workaround has been deleted from ProjLib_ComputeApprox.cxx file.

Test case for issue CR26008
This commit is contained in:
nbv 2015-04-03 10:16:47 +03:00 committed by bugmaster
parent b5ef9d9151
commit 6f7c5420f8
2 changed files with 62 additions and 37 deletions
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77
src/ProjLib/ProjLib_ComputeApprox.cxx
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@ -516,9 +516,11 @@ static void Function_SetUVBounds(Standard_Real& myU1,
} }
// //
ElSLib::Parameters(SP, P, UU, V1); ElSLib::Parameters(SP, P, UU, V1);
Standard_Real UUmi = Min(Min(U1,UU),Min(UU,U2)); //+This fragment was the reason of bug # 26008.
Standard_Real UUma = Max(Max(U1,UU),Max(UU,U2)); //+It has been deleted on April, 03 2015.
Standard_Boolean reCalc = ((UUmi >= 0. && UUmi <= M_PI) && (UUma >= 0. && UUma <= M_PI)); //Standard_Real UUmi = Min(Min(U1,UU),Min(UU,U2));
//Standard_Real UUma = Max(Max(U1,UU),Max(UU,U2));
//Standard_Boolean reCalc = ((UUmi >= 0. && UUmi <= M_PI) && (UUma >= 0. && UUma <= M_PI));
// box+sphere << // box+sphere <<
P2 = myCurve->Value(W1+M_PI/8); P2 = myCurve->Value(W1+M_PI/8);
ElSLib::Parameters(SP,P2,U2,V2); ElSLib::Parameters(SP,P2,U2,V2);
@ -585,15 +587,18 @@ static void Function_SetUVBounds(Standard_Real& myU1,
// box+sphere >> // box+sphere >>
myV1 = -1.e+100; myV2 = 1.e+100; myV1 = -1.e+100; myV2 = 1.e+100;
Standard_Real UU1 = myU1, UU2 = myU2;
if((Abs(UU1) <= (2.*M_PI) && Abs(UU2) <= (2.*M_PI)) && NbSolutions == 1 && reCalc) { //+This fragment was the reason of bug # 26008.
gp_Pnt Center = Circle.Location(); //+It has been deleted on April, 03 2015.
Standard_Real U,V; //Standard_Real UU1 = myU1, UU2 = myU2;
ElSLib::SphereParameters(gp_Ax3(gp::XOY()),1,Center, U, V); //if((Abs(UU1) <= (2.*M_PI) && Abs(UU2) <= (2.*M_PI)) && NbSolutions == 1 && reCalc) {
myU1 = U-M_PI; // gp_Pnt Center = Circle.Location();
myU1 = Min(UU1,myU1); // Standard_Real U,V;
myU2 = myU1 + 2.*M_PI; // ElSLib::SphereParameters(gp_Ax3(gp::XOY()),1,Center, U, V);
} // myU1 = U-M_PI;
// myU1 = Min(UU1,myU1);
// myU2 = myU1 + 2.*M_PI;
//}
// box+sphere << // box+sphere <<
}//if ( myCurve->GetType() == GeomAbs_Circle) }//if ( myCurve->GetType() == GeomAbs_Circle)
@ -939,30 +944,30 @@ ProjLib_ComputeApprox::ProjLib_ComputeApprox
ProjLib_Function F( C, S); ProjLib_Function F( C, S);
#ifdef OCCT_DEBUG #ifdef OCCT_DEBUG
if ( AffichValue) { //if ( AffichValue) {
Standard_Integer Nb = 20; // Standard_Integer Nb = 20;
Standard_Real U1, U2, dU, U; // Standard_Real U1, U2, dU, U;
U1 = F.FirstParameter(); // U1 = F.FirstParameter();
U2 = F.LastParameter(); // U2 = F.LastParameter();
dU = ( U2 - U1) / Nb; // dU = ( U2 - U1) / Nb;
TColStd_Array1OfInteger Mults(1,Nb+1); // TColStd_Array1OfInteger Mults(1,Nb+1);
TColStd_Array1OfReal Knots(1,Nb+1); // TColStd_Array1OfReal Knots(1,Nb+1);
TColgp_Array1OfPnt2d Poles(1,Nb+1); // TColgp_Array1OfPnt2d Poles(1,Nb+1);
for ( Standard_Integer i = 1; i <= Nb+1; i++) { // for ( Standard_Integer i = 1; i <= Nb+1; i++) {
U = U1 + (i-1)*dU; // U = U1 + (i-1)*dU;
Poles(i) = F.Value(U); // Poles(i) = F.Value(U);
Knots(i) = i; // cout << "i = " << i << ": U = " << U <<
Mults(i) = 1; // ", p(" << Poles(i).X() << ", " << Poles(i).Y() << ");" << endl;
} // Knots(i) = i;
Mults(1) = 2; // Mults(i) = 1;
Mults(Nb+1) = 2; // }
#ifdef DRAW // Mults(1) = 2;
// POP pour NT // Mults(Nb+1) = 2;
char* ResultName = "Result";
DrawTrSurf::Set(ResultName,new Geom2d_BSplineCurve(Poles,Knots,Mults,1)); //2D-curve for showing in DRAW
// DrawTrSurf::Set("Result",new Geom2d_BSplineCurve(Poles,Knots,Mults,1)); // Handle(Geom2d_Curve) aCC = new Geom2d_BSplineCurve(Poles,Knots,Mults,1);
#endif // AffichValue = Standard_False;
} //}
#endif #endif
//----------- //-----------

20
tests/bugs/modalg_6/bug26008 Normal file
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@ -0,0 +1,20 @@
puts "================"
puts "OCC26008"
puts "================"
puts ""
#######################################################################
# [OCCT 6.8.0 regression] BRepFeat_SplitShape returns invalid shapes
#######################################################################
sphere ss1 78.4160443343, 8.94293392454, 70.9553808628 6.5
sphere ss2 82.5593917073, 4.52613090823, 76.3299967 3.5
mkface f1 ss1
mkface f2 ss2
bopcurves f1 f2 -2d
view 1 -2D- 465 20 400 400
2dfit
xwd $imagedir/${test_image}.png