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0028496: BOP Cut failed on two attached faces with error "ErrorStatus : 191"

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While checking the SurfaceOfExtrusion on closeness (GeomLib::IsClosed())
it is necessary to take into account that the basis curve may be not trimmed.

Test case for the issue.
This commit is contained in:
emv 2017-03-02 15:43:48 +03:00 committed by bugmaster
parent b672545674
commit 7a280da946
2 changed files with 40 additions and 15 deletions
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28
src/GeomLib/GeomLib.cxx
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@ -2475,6 +2475,12 @@ void GeomLib::IsClosed (const Handle(Geom_Surface)& S,
GeomAdaptor_Surface aGAS(S);
GeomAbs_SurfaceType aSType = aGAS.GetType();
//
Standard_Real u1, u2, v1, v2;
u1 = aGAS.FirstUParameter();
u2 = aGAS.LastUParameter();
v1 = aGAS.FirstVParameter();
v2 = aGAS.LastVParameter();
//
Standard_Real Tol2 = Tol * Tol;
switch (aSType)
{
@ -2482,11 +2488,15 @@ void GeomLib::IsClosed (const Handle(Geom_Surface)& S,
{
return;
}
case GeomAbs_Cylinder:
case GeomAbs_SurfaceOfExtrusion:
{
Standard_Real u1 = aGAS.FirstUParameter(), u2 = aGAS.LastUParameter();
Standard_Real v1 = aGAS.FirstVParameter();
if (Precision::IsInfinite(u1) || Precision::IsInfinite(u2)) {
// not closed
return;
}
}
case GeomAbs_Cylinder:
{
if(Precision::IsInfinite(v1))
v1 = 0.;
gp_Pnt p1 = aGAS.Value(u1, v1);
@ -2496,8 +2506,6 @@ void GeomLib::IsClosed (const Handle(Geom_Surface)& S,
}
case GeomAbs_Cone:
{
Standard_Real u1 = aGAS.FirstUParameter(), u2 = aGAS.LastUParameter();
Standard_Real v1 = aGAS.FirstVParameter(), v2 = aGAS.LastVParameter();
//find v with maximal distance from axis
if(!(Precision::IsInfinite(v1) || Precision::IsInfinite(v2)))
{
@ -2521,8 +2529,6 @@ void GeomLib::IsClosed (const Handle(Geom_Surface)& S,
}
case GeomAbs_Sphere:
{
Standard_Real u1 = aGAS.FirstUParameter(), u2 = aGAS.LastUParameter();
Standard_Real v1 = aGAS.FirstVParameter(), v2 = aGAS.LastVParameter();
//find v with maximal distance from axis
if(v1*v2 <= 0.)
{
@ -2544,8 +2550,6 @@ void GeomLib::IsClosed (const Handle(Geom_Surface)& S,
{
Standard_Real ures = aGAS.UResolution(Tol);
Standard_Real vres = aGAS.VResolution(Tol);
Standard_Real u1 = aGAS.FirstUParameter(), u2 = aGAS.LastUParameter();
Standard_Real v1 = aGAS.FirstVParameter(), v2 = aGAS.LastVParameter();
//
isUClosed = (u2 - u1) >= aGAS.UPeriod() - ures;
isVClosed = (v2 - v1) >= aGAS.VPeriod() - vres;
@ -2553,8 +2557,6 @@ void GeomLib::IsClosed (const Handle(Geom_Surface)& S,
}
case GeomAbs_BSplineSurface:
{
Standard_Real u1 = aGAS.FirstUParameter(), u2 = aGAS.LastUParameter();
Standard_Real v1 = aGAS.FirstVParameter(), v2 = aGAS.LastVParameter();
Handle(Geom_BSplineSurface) aBSpl = aGAS.BSpline();
isUClosed = GeomLib::IsBSplUClosed(aBSpl, u1, u2, Tol);
isVClosed = GeomLib::IsBSplVClosed(aBSpl, v1, v2, Tol);
@ -2562,8 +2564,6 @@ void GeomLib::IsClosed (const Handle(Geom_Surface)& S,
}
case GeomAbs_BezierSurface:
{
Standard_Real u1 = aGAS.FirstUParameter(), u2 = aGAS.LastUParameter();
Standard_Real v1 = aGAS.FirstVParameter(), v2 = aGAS.LastVParameter();
Handle(Geom_BezierSurface) aBz = aGAS.Bezier();
isUClosed = GeomLib::IsBzUClosed(aBz, u1, u2, Tol);
isVClosed = GeomLib::IsBzVClosed(aBz, v1, v2, Tol);
@ -2574,8 +2574,6 @@ void GeomLib::IsClosed (const Handle(Geom_Surface)& S,
case GeomAbs_OtherSurface:
{
Standard_Integer nbp = 23;
Standard_Real u1 = aGAS.FirstUParameter(), u2 = aGAS.LastUParameter();
Standard_Real v1 = aGAS.FirstVParameter(), v2 = aGAS.LastVParameter();
if(Precision::IsInfinite(v1))
{
v1 = Sign(1., v1);

27
tests/bugs/modalg_6/bug28496 Normal file
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@ -0,0 +1,27 @@
puts "========"
puts "OCC28496"
puts "========"
puts ""
#################################################
# BOP Cut failed on two attached faces with error "ErrorStatus : 191"
#################################################
restore [locate_data_file bug28496_Face_3.brep] f1
restore [locate_data_file bug28496_Face_9.brep] f2
bclearobjects
bcleartools
baddobjects f1
baddtools f2
bfillds
bbuild result
checkshape result
checkprops result -s 499.564
checknbshapes result -face 3 -wire 3
smallview
don result
fit
checkview -screenshot -2d -path ${imagedir}/${test_image}.png